Loss of morphine-induced analgesia, reward effect and withdrawal symptoms in mice lacking the mu-opioid-receptor gene

scientific article published on October 1996

Loss of morphine-induced analgesia, reward effect and withdrawal symptoms in mice lacking the mu-opioid-receptor gene is …
instance of (P31):
scholarly articleQ13442814

External links are
P6179Dimensions Publication ID1008426943
P356DOI10.1038/383819A0
P698PubMed publication ID8893006

P2093author name stringJ Hanoune
B P Roques
R Maldonado
A Dierich
B L Kieffer
H W Matthes
K Befort
I Kitchen
O Valverde
P Dollé
E Tzavara
F Simonin
M Le Meur
S Slowe
P2860cites workA brief history of opiates, opioid peptides, and opioid receptorsQ24562762
The delta-opioid receptor: isolation of a cDNA by expression cloning and pharmacological characterizationQ30800519
The mouse Pgk-1 gene promoter contains an upstream activator sequenceQ35788889
Neurobiology of opiate abuseQ36208827
Mechanisms of the analgesic actions of opiates and opioidsQ36465590
delta-Opioid receptor subtypes and cross-talk with mu-receptorsQ40853754
Recent advances in molecular recognition and signal transduction of active peptides: receptors for opioid peptidesQ41041826
Precipitation of morphine withdrawal syndrome in rats by administration of mu-, delta- and kappa-selective opioid antagonistsQ44332157
Investigation of the structural parameters involved in the mu and delta opioid receptor discrimination of linear enkephalin-related peptidesQ44342386
A mu-opioid receptor-filter assay. Rapid estimation of binding affinity of ligands and reversibility of long-lasting ligand-receptor complexesQ44343425
Opioid peptides have found their rootsQ44352136
Motivational properties of opioids: evidence that an activation of delta-receptors mediates reinforcement processesQ48171483
Disruption of the Hox-1.6 homeobox gene results in defects in a region corresponding to its rostral domain of expressionQ48654359
A general role for adaptations in G-proteins and the cyclic AMP system in mediating the chronic actions of morphine and cocaine on neuronal functionQ48722567
Reduction of morphine abstinence in mice with a mutation in the gene encoding CREB.Q48944677
The CCKB antagonist PD-134,308 facilitates rewarding effects of endogenous enkephalins but does not induce place preference in rats.Q52203788
A rapid and inexpensive technique for assessing the reinforcing effects of opiate drugsQ52301792
Analgesic responses elicited by endogenous enkephalins (protected by mixed peptidase inhibitors) in a variety of morphine-sensitive noxious tests.Q54572810
P433issue6603
P407language of work or nameEnglishQ1860
P921main subjectopioidQ427523
P1104number of pages5
P304page(s)819-823
P577publication date1996-10-01
P1433published inNatureQ180445
P1476titleLoss of morphine-induced analgesia, reward effect and withdrawal symptoms in mice lacking the mu-opioid-receptor gene
P478volume383

Reverse relations

cites work (P2860)
Q34957270(-)-Pentazocine induces visceral chemical antinociception, but not thermal, mechanical, or somatic chemical antinociception, in μ-opioid receptor knockout mice
Q3640460214-Alkoxy- and 14-acyloxypyridomorphinans: μ agonist/δ antagonist opioid analgesics with diminished tolerance and dependence side effects
Q4294203414-O-Heterocyclic-substituted naltrexone derivatives as non-peptide mu opioid receptor selective antagonists: design, synthesis, and biological studies
Q2682466715 years of genetic approaches in vivo for addiction research: Opioid receptor and peptide gene knockout in mouse models of drug abuse
Q39158190A "tail" of opioid receptor variants.
Q64934471A Dual Noradrenergic Mechanism for the Relief of Neuropathic Allodynia by the Antidepressant Drugs Duloxetine and Amitriptyline.
Q91884739A Motivational and Neuropeptidergic Hub: Anatomical and Functional Diversity within the Nucleus Accumbens Shell
Q46123042A Novel Behavioral Fish Model of Nociception for Testing Analgesics
Q48156331A behavioral and neuroanatomical assessment of an inbred substrain of 129 mice with behavioral comparisons to C57BL/6J mice
Q40896875A cluster of Ser/Thr residues at the C-terminus of mu-opioid receptor is required for G protein-coupled receptor kinase 2-mediated desensitization
Q36862291A computational model of craving and obsession
Q34201592A concept of welfare based on reward evaluating mechanisms in the brain: anticipatory behaviour as an indicator for the state of reward systems
Q44336146A continuous, fluorescence-based assay of μ-opioid receptor activation in AtT-20 cells
Q28477511A growth factor attenuates HIV-1 Tat and morphine induced damage to human neurons: implication in HIV/AIDS-drug abuse cases
Q36674787A history of chronic morphine exposure during adolescence increases despair-like behaviour and strain-dependently promotes sociability in abstinent adult mice
Q35082708A locus and mechanism of action for associative morphine tolerance
Q36156405A new opioid designed multiple ligand derived from the micro opioid agonist endomorphin-2 and the delta opioid antagonist pharmacophore Dmt-Tic
Q43154757A new splice of life for the μ-opioid receptor.
Q24317131A novel alternatively spliced isoform of the mu-opioid receptor: functional antagonism
Q30855550A polymorphism in the OPRM1 3'-untranslated region is associated with methadone efficacy in treating opioid dependence
Q44340996A real-time, fluorescence-based assay for measuring μ-opioid receptor modulation of adenylyl cyclase activity in Chinese hamster ovary cells
Q34544184A role for the mu opioid receptor in the antidepressant effects of buprenorphine
Q36281076A selective delta opioid receptor antagonist based on a stilbene core
Q36625540A subanalgesic dose of morphine eliminates nalbuphine anti-analgesia in postoperative pain
Q28680729A unified framework for addiction: vulnerabilities in the decision process
Q44337414A118g polymorphism in mu opioid receptor gene (oprm1): association with opiate addiction in subjects of Indian origin
Q35484325A6V polymorphism of the human μ-opioid receptor decreases signalling of morphine and endogenous opioids in vitro.
Q34367967ATP-sensitive Potassium Channels and L-type Calcium Channels are Involved in Morphine-induced Hyperalgesia after Nociceptive Sensitization in Mice
Q37162582Abolished thermal and mechanical antinociception but retained visceral chemical antinociception induced by butorphanol in mu-opioid receptor knockout mice
Q37400166Abolition of morphine-immunosuppression in mice lacking the mu-opioid receptor gene
Q35028449Absence of G-protein activation by mu-opioid receptor agonists in the spinal cord of mu-opioid receptor knockout mice
Q37717414Absence of Role of Dietary Protein Sensing in the Metabolic Benefits of Duodenal-Jejunal Bypass in the Mouse
Q28588136Absence of opiate rewarding effects in mice lacking dopamine D2 receptors
Q34274685Activation of G-Proteins by Morphine and Codeine Congeners: Insights to the Relevance of O- and N-Demethylated Metabolites at μ- and δ-Opioid Receptors
Q44003399Activation of TREK-1 by morphine results in analgesia without adverse side effects
Q42913425Activation of phosphatidylinositol 3-kinase/Akt-mammalian target of Rapamycin signaling pathway in the hippocampus is essential for the acquisition of morphine-induced place preference in rats
Q35510067Activation of μ opioid receptors modulates inflammation in acute experimental colitis.
Q33841606Activator of G protein signaling 3 regulates opiate activation of protein kinase A signaling and relapse of heroin-seeking behavior
Q34235593Activators of G-protein signaling 3: a drug addiction molecular gateway
Q28361204Activity of mu- and delta-opioid agonists in vas deferens from mice deficient in MOR gene
Q44349908Activity of the delta-opioid receptor is partially reduced, whereas activity of the kappa-receptor is maintained in mice lacking the mu-receptor.
Q44330577Acute and chronic activation of the mu-opioid receptor with the endogenous ligand endomorphin differentially regulates adenylyl cyclase isozymes
Q36768732Acute and chronic heroin dependence in mice: contribution of opioid and excitatory amino acid receptors
Q44340547Acute antinociceptive responses in single and combinatorial opioid receptor knockout mice: distinct mu, delta and kappa tones
Q36032904Acute opioid dependence: characterizing the early adaptations underlying drug withdrawal
Q44348787Adaptations to chronic agonist exposure of mu-opioid receptor-expressing Chinese hamster ovary cells
Q45079498Adenosine A2A receptors are involved in physical dependence and place conditioning induced by THC.
Q28566486Adenosine A2a blockade prevents synergy between mu-opiate and cannabinoid CB1 receptors and eliminates heroin-seeking behavior in addicted rats
Q39182356Adenosine deaminase activity modulation by some street drug: molecular docking simulation and experimental investigation
Q30477757Adenylyl cyclase type 5 (AC5) is an essential mediator of morphine action
Q37024539Agonist treatment did not affect association of mu opioid receptors with lipid rafts and cholesterol reduction had opposite effects on the receptor-mediated signaling in rat brain and CHO cells
Q95660672Agonist-induced phosphorylation bar code and differential post-activation signaling of the delta opioid receptor revealed by phosphosite-specific antibodies
Q38464958Agonist-selective patterns of µ-opioid receptor phosphorylation revealed by phosphosite-specific antibodies
Q37590161Allostatic Mechanisms of Opioid Tolerance Beyond Desensitization and Downregulation
Q39248479Allostery at opioid receptors: modulation with small molecule ligands.
Q48508855Altered cholecystokinin binding site density in the supraoptic nucleus of morphine-tolerant and -dependent rats
Q36377123Altered hematopoiesis, behavior, and sexual function in mu opioid receptor-deficient mice
Q39927610Alternative splicing determines the post-endocytic sorting fate of G-protein-coupled receptors
Q37730688Alternatively spliced mu opioid receptor C termini impact the diverse actions of morphine.
Q28588212Aminophosphinic inhibitors as transition state analogues of enkephalin-degrading enzymes: a class of central analgesics
Q38956275An Expert Review of Pharmacogenomics of Sickle Cell Disease Therapeutics: Not Yet Ready for Global Precision Medicine
Q44330788An autoradiographic study in mu-opioid receptor knockout mice
Q46896171An essential role for DeltaFosB in the nucleus accumbens in morphine action
Q43510580An intronic Ikaros-binding element mediates retinoic acid suppression of the kappa opioid receptor gene, accompanied by histone deacetylation on the promoters
Q36422302An overview of the genetics of substance use disorders
Q57133342Analgesia linked to Nav1.7 loss of function requires µ- and δ-opioid receptors
Q93363457Analgesic Effects of the GIRK Activator, VU0466551, Alone and in Combination with Morphine in Acute and Persistent Pain Models
Q44353168Analgesic activity and selectivity of isothiocyanate derivatives of fentanyl analogs for opioid receptors
Q48463805Analgesic requirements after major abdominal surgery are associated with OPRM1 gene polymorphism genotype and haplotype
Q34939644Analgesic synergy between opioid and α2 -adrenoceptors
Q34957285Analgesic tone conferred by constitutively active mu opioid receptors in mice lacking β-arrestin 2
Q56113559Analgesics and Antipyretics
Q32144645Analysis of [3H]bremazocine binding in single and combinatorial opioid receptor knockout mice
Q34183966Analysis of candidate genes for morphine preference quantitative trait locus Mop2
Q48731122Another opiate for the masses?
Q89790585Anti-PD-1 treatment impairs opioid antinociception in rodents and nonhuman primates
Q39750331Anti-inflammatory properties of the mu opioid receptor support its use in the treatment of colon inflammation
Q28652289Anti-nociception mediated by a κ opioid receptor agonist is blocked by a δ receptor agonist
Q26992192Antibodies to probe endogenous G protein-coupled receptor heteromer expression, regulation, and function
Q46315880Antinociceptive and anti-inflammatory activities of leaf extracts from Annona tomentosa R.E.Fr.
Q33907197Antinociceptive effects of morphine and naloxone in mu-opioid receptor knockout mice transfected with the MORS196A gene.
Q46715710Anxiolytic-like effects of morphine and buprenorphine in the rat model of fear-potentiated startle: tolerance, cross-tolerance, and blockade by naloxone
Q44346915Association analysis of polymorphisms in the μ opioid gene and heroin abuse in Chinese subjects.
Q44342438Association between human mu-opioid receptor gene polymorphism, pain tolerance, and opioid addiction
Q35189955Association between two mu-opioid receptor gene (OPRM1) haplotype blocks and drug or alcohol dependence
Q44346659Association of OPRD1 Gene Variants with Opioid Dependence in Addicted Male Individuals Undergoing Methadone Treatment in the North of Iran
Q34656692Association study of OPRM1 polymorphisms with Schizophrenia in Han Chinese population.
Q37576232Association study of the β-arrestin 2 gene (ARRB2) with opioid and cocaine dependence in a European-American population
Q90275679Associations among the opioid receptor gene (OPRM1) A118G polymorphism, psychiatric symptoms, and quantitative EEG in Korean males with gambling disorder: A pilot study
Q47914487Attenuation by baclofen of nicotine rewarding properties and nicotine withdrawal manifestations.
Q44251956Attenuation of nicotine-induced antinociception, rewarding effects, and dependence in mu-opioid receptor knock-out mice.
Q37091297Augmentation of morphine-induced sensitization but reduction in morphine tolerance and reward in delta-opioid receptor knockout mice
Q26768231Autism Spectrum Disorders and Drug Addiction: Common Pathways, Common Molecules, Distinct Disorders?
Q33923583Autistic-like syndrome in mu opioid receptor null mice is relieved by facilitated mGluR4 activity.
Q44337802Autoantibodies against opioid or glutamate receptors are associated with changes in morphine reward and physical dependence in mice.
Q44335313Autoradiographic analysis of GABAA receptors in mu-opioid receptor knockout mice
Q44341159Autoradiographic evidence that prenatal morphine exposure sex-dependently alters mu-opioid receptor densities in brain regions that are involved in the control of drug abuse and other motivated behaviors.
Q44336675Autoradiographic mapping of the opioid receptor-like 1 (ORL1) receptor in the brains of mu-, delta- or kappa-opioid receptor knockout mice
Q37391107BOLD Imaging in Awake Wild-Type and Mu-Opioid Receptor Knock-Out Mice Reveals On-Target Activation Maps in Response to Oxycodone.
Q58705607Back-translating behavioral intervention for autism spectrum disorders to mice with blunted reward restores social abilities
Q42452889Basal and morphine‐evoked dopaminergic neurotransmission in the nucleus accumbens of MOR‐ and DOR‐knockout mice
Q40860075Behavior in mice with targeted disruption of single genes
Q30614491Behavioral architecture of opioid reward and aversion in C57BL/6 substrains
Q33711537Behavioral phenotyping of transgenic and knockout mice: experimental design and evaluation of general health, sensory functions, motor abilities, and specific behavioral tests
Q28589454Behavioural adaptations to addictive drugs in mice lacking the NMDA receptor epsilon1 subunit
Q35028253Behavioural and biochemical evidence for signs of abstinence in mice chronically treated with delta-9-tetrahydrocannabinol
Q36977478Behavioural and biochemical responses to morphine associated with its motivational properties are altered in adenosine A(2A) receptor knockout mice
Q44351142Bias Factor and Therapeutic Window Correlate to Predict Safer Opioid Analgesics
Q38743944Binding mode analyses of NAP derivatives as mu opioid receptor selective ligands through docking studies and molecular dynamics simulation
Q37317909Binding mode characterization of 6α- and 6β-N-heterocyclic substituted naltrexamine derivatives via docking in opioid receptor crystal structures and site-directed mutagenesis studies: application of the 'message-address' concept in development of m
Q36179675Biological activity of plant extracts: novel analgesic drugs.
Q33613252Biomarkers of morphine tolerance and dependence are prevented by morphine-induced endocytosis of a mutant mu-opioid receptor
Q37526133Blockade of neuronal dopamine D2 receptor attenuates morphine tolerance in mice spinal cord
Q33589637Brain region-specific N-glycosylation and lipid rafts association of the rat mu opioid receptor
Q44336363Brain regional Fos expression elicited by the activation of mu- but not delta-opioid receptors of the ventral tegmental area: evidence for an implication of the ventral thalamus in opiate reward
Q30631761Broad-spectrum analgesic efficacy of IBNtxA is mediated by exon 11-associated splice variants of the mu-opioid receptor gene
Q44345244Buprenorphine antinociception is abolished, but naloxone-sensitive reward is retained, in mu-opioid receptor knockout mice
Q39377874Buprenorphine blocks withdrawal in morphine-dependent rat pups
Q34615753Buprenorphine maintenance and mu-opioid receptor availability in the treatment of opioid use disorder: implications for clinical use and policy
Q91868303Buprenorphine prevents stress-induced blunting of nucleus accumbens dopamine response and approach behavior to food reward in mice
Q44343463Buprenorphine-induced antinociception is mediated by mu-opioid receptors and compromised by concomitant activation of opioid receptor-like receptors.
Q43505922Butorphanol agonist effects and acute physical dependence in opioid abusers: comparison with morphine
Q59807424CB1 Agonism Alters Addiction-Related Behaviors in Mice Lacking Mu or Delta Opioid Receptors
Q44334929CB1 Cannabinoid Agonist (WIN55,212-2) Within the Basolateral Amygdala Induced Sensitization to Morphine and Increased the Level of μ-Opioid Receptor and c-fos in the Nucleus Accumbens
Q91559669Candidate gene analyses for acute pain and morphine analgesia after pediatric day surgery: African American versus European Caucasian ancestry and dose prediction limits
Q36999713Candidate gene polymorphisms predicting individual sensitivity to opioids
Q44343504Cannabinoid receptor and WIN 55 212‐2‐stimulated [35S]‐GTPγS binding in the brain of mu‐, delta‐ and kappa‐opioid receptor knockout mice
Q36431241Case-control association analysis of polymorphisms in the δ-opioid receptor, OPRD1, with cocaine and opioid addicted populations
Q36881320Case-control association study of WLS variants in opioid and cocaine addicted populations.
Q35045328Cellular actions of opioids on periaqueductal grey neurons from C57B16/J mice and mutant mice lacking MOR-1
Q44346927Cellular mechanism for anti-analgesic action of agonists of the kappa-opioid receptor
Q34939590Cellular signalling of non-synonymous single-nucleotide polymorphisms of the human μ-opioid receptor (OPRM1)
Q42715611Central HIV-1 Tat exposure elevates anxiety and fear conditioned responses of male mice concurrent with altered mu-opioid receptor-mediated G-protein activation and β-arrestin 2 activity in the forebrain
Q30322955Change in pain threshold by meperidine, naproxen sodium, and acetaminophen as determined by electric pulp testing
Q44205856Changes in spinal delta and kappa opioid systems in mice deficient in the A2A receptor gene.
Q42150123Characterization of [Nphe(1)]nociceptin(1-13)NH(2), a new selective nociceptin receptor antagonist
Q36305030Characterization of kappa opioid receptor mediated, dynorphin-stimulated [35S]GTPγS binding in mouse striatum for the evaluation of selective KOR ligands in an endogenous setting
Q44351419Characterization of mechanical withdrawal responses and effects of mu-, delta- and kappa-opioid agonists in normal and mu-opioid receptor knockout mice
Q78161831Chimeric peptide of Met-enkephalin and FMRFa induces antinociception and attenuates development of tolerance to morphine antinociception
Q30450150Cholecystokinin knock-down in the basolateral amygdala has anxiolytic and antidepressant-like effects in mice
Q33804759Cholecystokinin/opioid interactions
Q42228663Chronic administration of morphine is associated with a decrease in surface AMPA GluR1 receptor subunit in dopamine D1 receptor expressing neurons in the shell and non-D1 receptor expressing neurons in the core of the rat nucleus accumbens
Q43108021Chronic morphine treatment impaired hippocampal long-term potentiation and spatial memory via accumulation of extracellular adenosine acting on adenosine A1 receptors.
Q24597777Clinically employed opioid analgesics produce antinociception via μ-δ opioid receptor heteromers in Rhesus monkeys
Q44343540Co-localization of Mu opioid receptor and N-methyl-D-aspartate receptor in the trigeminal dorsal horn
Q34506106Cocaine modulates the expression of opioid receptors and miR-let-7d in zebrafish embryos.
Q45803169Comparative effectiveness of antinociceptive gene therapies in animal models of diabetic neuropathic pain
Q44331983Comparison of G-protein activation in the brain by mu-, delta-, and kappa-opioid receptor agonists in mu-opioid receptor knockout mice
Q52715368Complex formation between the vasopressin 1b receptor, β-arrestin-2, and the μ-opioid receptor underlies morphine tolerance.
Q40328564Complex mixtures, complex responses: Assessing pharmaceutical mixtures using field and laboratory approaches
Q92562255Comprehensive molecular pharmacology screening reveals potential new receptor interactions for clinically relevant opioids
Q44061595Conditioned place preference to morphine in cannabinoid CB1 receptor knockout mice
Q44528499Congenic C57BL/6 mu opiate receptor (MOR) knockout mice: baseline and opiate effects.
Q43120295Consequences of opioid receptor mutation on actions of univalent and bivalent kappa and delta ligands
Q33863139Contribution of mu and delta opioid receptors to the pharmacological profile of kappa opioid receptor subtypes
Q30664549Craving for alcohol and drugs in animals and humans: biology and behavior
Q28257072Crh and Oprm1 mediate anxiety-related behavior and social approach in a mouse model of MECP2 duplication syndrome
Q30426775Cross-Talk between Metabolism and Reproduction: The Role of POMC and SF1 Neurons
Q44414841Cross-sensitization between the locomotor stimulant effects of ethanol and those of morphine and cocaine in mice
Q27678133Crystal structure of the µ-opioid receptor bound to a morphinan antagonist
Q27693220Current research on opioid receptor function
Q91891295Current strategies toward safer mu opioid receptor drugs for pain management
Q28372123Cyclophosphamide cystitis in mice: behavioural characterisation and correlation with bladder inflammation
Q44346631Cytochrome P450 epoxygenase dependence of opioid analgesia: fluconazole does not interfere with remifentanil-mediated analgesia in human subjects
Q44925266DREAM ablation selectively alters THC place aversion and analgesia but leaves intact the motivational and analgesic effects of morphine
Q42000724Deciphering µ-opioid receptor phosphorylation and dephosphorylation in HEK293 cells
Q44642558Decrease of morphine‐induced reward effects and withdrawal symptoms in mice overexpressing γ‐aminobutyric acid transporter I
Q37093166Decreased consumption of sweet fluids in μ opioid receptor knockout mice: a microstructural analysis of licking behavior
Q60047655Deformation-based Morphometry MRI Reveals Brain Structural Modifications in Living Mu Opioid Receptor Knockout Mice
Q34038767Deletion of the M5 muscarinic acetylcholine receptor attenuates morphine reinforcement and withdrawal but not morphine analgesia
Q30823626Deletion of the mu opioid receptor gene in mice reshapes the reward-aversion connectome
Q90625255Delta opioid receptors are essential to the antiallodynic action of Β2-mimetics in a model of neuropathic pain
Q42076848Delta receptors are required for full inhibitory coupling of mu-receptors to voltage-dependent Ca(2+) channels in dorsal root ganglion neurons
Q44352654Delta(2)-opioid receptor mediation of morphine-induced CCK release in the frontal cortex of the freely moving rat.
Q44350406Desensitization and tolerance of mu opioid receptors on pontine Kolliker-Fuse neurons
Q35817048Desensitization of G protein-coupled receptors and neuronal functions
Q34049673Desensitization of mu-opioid receptor-evoked potassium currents: initiation at the receptor, expression at the effector
Q38307160Detection of single nucleotide polymorphisms of the human mu opioid receptor gene by hybridization or single nucleotide extension on custom oligonucleotide gelpad microchips: potential in studies of addiction
Q38014600Dietary factors affect food reward and motivation to eat.
Q44349886Differences in delta opioid receptor antinociception, binding, and mRNA levels between BALB/c and CXBK mice
Q37137548Different affective response to opioid withdrawal in adolescent and adult mice
Q96235277Different neuronal populations mediate inflammatory pain analgesia by exogenous and endogenous opioids
Q35837099Differential Regulation of 6- and 7-Transmembrane Helix Variants of μ-Opioid Receptor in Response to Morphine Stimulation
Q44339451Differential alteration of functions of rat peritoneal macrophages responsive to endogenous opioid peptide endomorphin-1.
Q40950798Differential desensitization of human delta-opioid receptors by peptide and alkaloid agonists.
Q44348011Differential efficacies of kappa agonists to induce homologous desensitization of human kappa opioid receptor
Q41455715Differential gene expression activity among species-specific polypyrimidine/polypurine motifs in mu opioid receptor gene promoters
Q36499468Differential involvement of enkephalins in analgesic tolerance, locomotor sensitization, and conditioned place preference induced by morphine
Q44352199Differential involvement of mu-opioid receptor subtypes in endomorphin-1- and -2-induced antinociception
Q44342358Differential involvement of the mu and kappa opioid receptors in spatial learning
Q33685556Differential regulation of mouse and human Mu opioid receptor gene depends on the single stranded DNA structure of its promoter and α-complex protein 1.
Q28566109Differential regulation of prohormone convertase 1/3, prohormone convertase 2 and phosphorylated cyclic-AMP-response element binding protein by short-term and long-term morphine treatment: implications for understanding the "switch" to opiate addict
Q36935630Differential responses to morphine-induced analgesia in the tail-flick test
Q36642376Differentiation of opioid drug effects by hierarchical multi-site phosphorylation
Q44346269Direct inhibition of hypothalamic proopiomelanocortin neurons by dynorphin A is mediated by the μ-opioid receptor
Q24605838Discovery of positive allosteric modulators and silent allosteric modulators of the μ-opioid receptor
Q37680038Disease-specific heteromerization of G-protein-coupled receptors that target drugs of abuse
Q44334061Disparate spinal and supraspinal opioid antinociceptive responses in beta-endorphin-deficient mutant mice.
Q39871479Disruption of Cdk5-associated phosphorylation of residue threonine-161 of the delta-opioid receptor: impaired receptor function and attenuated morphine antinociceptive tolerance.
Q36682362Disruption of morphine-conditioned place preference by a delta2-opioid receptor antagonist: study of mu-opioid and delta-opioid receptor expression at the synapse
Q30486052Disruption of the CRF(2) receptor pathway decreases the somatic expression of opiate withdrawal.
Q28379331Disruption of the kappa-opioid receptor gene in mice enhances sensitivity to chemical visceral pain, impairs pharmacological actions of the selective kappa-agonist U-50,488H and attenuates morphine withdrawal
Q44350743Dissociation of analgesic and hormonal responses to forced swim stress using opioid receptor knockout mice.
Q52142063Dissociation of analgesic and rewarding effects of endomorphin-1 in rats.
Q47775874Dissociation of heroin-induced emotional dysfunction from psychomotor activation and physical dependence among inbred mouse strains.
Q34986633Dissociation of the opioid receptor mechanisms that control mechanical and heat pain
Q33636492Distinct Roles of Opioid and Dopamine Systems in Lateral Hypothalamic Intracranial Self-Stimulation
Q48401695Distribution of prepro-nociceptin/orphanin FQ mRNA and its receptor mRNA in developing and adult mouse central nervous systems
Q36887413Divergent modes for cargo-mediated control of clathrin-coated pit dynamics
Q28590865Dopamine D2L receptor knockout mice display deficits in positive and negative reinforcing properties of morphine and in avoidance learning
Q41902104Dopamine D₄ receptor counteracts morphine-induced changes in µ opioid receptor signaling in the striosomes of the rat caudate putamen
Q58094714Dopamine neurons projecting to medial shell of the nucleus accumbens drive heroin reinforcement
Q38703573Drug Binding Poses Relate Structure with Efficacy in the μ Opioid Receptor.
Q29615904Drug abuse: hedonic homeostatic dysregulation
Q26309894Drug discovery: Designing the ideal opioid
Q37809140Drugs involved in drug-facilitated crimes – part II: Drugs of abuse, prescription and over-the-counter medications. A review
Q39661209Dynorphin acts as a neuromodulator to inhibit itch in the dorsal horn of the spinal cord.
Q52304421Dysregulation of dopaminergic regulatory mechanisms in the mesolimbic pathway induced by morphine and morphine withdrawal.
Q33805049ELK1 transcription factor linked to dysregulated striatal mu opioid receptor signaling network and OPRM1 polymorphism in human heroin abusers.
Q30382069Early Social Enrichment Improves Social Motivation and Skills in a Monogenic Mouse Model of Autism, the Oprm1 (-/-) Mouse.
Q44341189Early modulation by the dopamine D4 receptor of morphine-induced changes in the opioid peptide systems in the rat caudate putamen
Q35682364Effect of ΔFosB overexpression on opioid and cannabinoid receptor-mediated signaling in the nucleus accumbens
Q44338943Effects of Ginkgo Biloba Extract EGb-761 on Neuropathic Pain in Mice: Involvement of Opioid System
Q44069088Effects of acute "binge" cocaine on preprodynorphin, preproenkephalin, proopiomelanocortin, and corticotropin-releasing hormone receptor mRNA levels in the striatum and hypothalamic-pituitary-adrenal axis of mu-opioid receptor knockout mice
Q38317416Effects of antisense oligonucleotides on brain delta-opioid receptor density and on SNC80-induced locomotor stimulation and colonic transit inhibition in rats
Q44288268Effects of beta-funaltrexamine and naloxonazine on single-trial morphine-conditioned place preference and locomotor activity
Q35045885Effects of endomorphin on substantia gelatinosa neurons in rat spinal cord slices
Q43003017Effects of genetic deletion of endogenous opioid system components on the reinstatement of cocaine-seeking behavior in mice.
Q44352887Effects of juvenile isolation and morphine treatment on social interactions and opioid receptors in adult rats: behavioural and autoradiographic studies
Q48284144Effects of morphine in rats withdrawn from repeated nifedipine administration
Q43633501Effects of morphine on pentobarbital-induced responses in mu-opioid receptor knockout mice
Q28660034Effects of opiates and HIV proteins on neurons: the role of ferritin heavy chain and a potential for synergism
Q44351652Effects of opioid receptor antagonists on the effects of i.v. morphine on carrageenin evoked c-Fos expression in the superficial dorsal horn of the rat spinal cord
Q44330623Effects of sciatic nerve injuries on delta -opioid receptor and substance P immunoreactivities in the superficial dorsal horn of the rat.
Q35042383Effects of sodium on agonist efficacy for G-protein activation in mu-opioid receptor-transfected CHO cells and rat thalamus
Q44193492Effects of the selective mu(1)-opioid receptor antagonist, naloxonazine, on cocaine-induced conditioned place preference and locomotor behavior in rats
Q64097296Electroacupuncture decreases Netrin-1-induced myelinated afferent fiber sprouting and neuropathic pain through μ-opioid receptors
Q42479179Electrophysiological effects of opioid receptor activation on Syrian hamster suprachiasmatic nucleus neurones in vitro
Q43260922Elevated concentrations of morphine 6-beta-D-glucuronide in brain extracellular fluid despite low blood-brain barrier permeability
Q58703542Elevated methylation of OPRM1 and OPRL1 genes in Alzheimer's disease
Q91742965Elucidating the active δ-opioid receptor crystal structure with peptide and small-molecule agonists
Q39141936Elucidation of mu-Opioid Gene Structure: How Genetics Can Help Predict Responses to Opioids
Q37137790Emotional Impairment and Persistent Upregulation of mGlu5 Receptor following Morphine Abstinence: Implications of an mGlu5-MOPr Interaction
Q35532072Endocannabinoid influence in drug reinforcement, dependence and addiction-related behaviors
Q34104454Endocytosis of the mu opioid receptor reduces tolerance and a cellular hallmark of opiate withdrawal
Q34001988Endogenous morphine.
Q37059945Endogenous morphine/nitric oxide-coupled regulation of cellular physiology and gene expression: implications for cancer biology.
Q41686418Endogenous opiates: 1996.
Q43070748Endogenous opioids: overview and current issues
Q44223042Endomorphin-1 and -2 immunoreactive cells in the hypothalamus are labeled by fluoro-gold injections to the ventral tegmental area
Q54537940Endomorphin-2 modulates productions of TNF-alpha, IL-1beta, IL-10, and IL-12, and alters functions related to innate immune of macrophages.
Q35025273Endomorphins and related opioid peptides
Q54550744Endomorphins delay constitutive apoptosis and alter the innate host defense functions of neutrophils.
Q44330126Enhanced delta-opioid receptor-mediated antinociception in mu-opioid receptor-deficient mice
Q44340176Enhanced humoral response in kappa-opioid receptor knockout mice
Q28504554Enhanced morphine analgesia in mice lacking beta-arrestin 2
Q44653385Enhanced rewarding properties of morphine, but not cocaine, in beta(arrestin)-2 knock-out mice.
Q42236094Enhancement of morphine analgesia and prevention of morphine tolerance by downregulation of β-arrestin 2 with antigene RNAs in mice
Q36423894Enkephalin Disinhibits Mu Opioid Receptor-Rich Striatal Patches via Delta Opioid Receptors
Q42437407Epidural ketamine potentiates epidural morphine but not fentanyl in acute nociception in rats
Q36973583Estrogen and progesterone modulate [35S]GTPgammaS binding to nociceptin receptors
Q36174854Ethanol Reversal of Tolerance to the Respiratory Depressant Effects of Morphine
Q43870663Ethological analysis of morphine withdrawal with different dependence programs in male mice
Q44333959Etorphine increases the number of mu-opioid receptor-positive cells in the cerebral cortex.
Q44347649Etorphines: mu-opioid receptor-selective antinociception and low physical dependence capacity
Q36534236Evaluation of anti-inflammatory and analgesic activities of extracts from herb of Chelidonium majus L.
Q33395205Expansion of the human mu-opioid receptor gene architecture: novel functional variants
Q48525218Experimental Models Combining Traumatic Brain Injury and Hypoxia
Q34970664Experimental genetic approaches to addiction.
Q100454224Exploring the activation pathway and Gi-coupling specificity of the μ-opioid receptor
Q34641459Exploring the opioid system by gene knockout
Q34183878Expression of mu opioid receptor in dorsal diencephalic conduction system: new insights for the medial habenula.
Q44352056Expression of mu, kappa, and delta opioid receptor messenger RNA in the human CNS: a 33P in situ hybridization study
Q44938371Expression of neural RGS-R7 and Gbeta5 Proteins in Response to Acute and Chronic Morphine.
Q35853978Expression of the μ, κ, and δ-opioid receptors and tyrosine hydroxylase in MN9D cells
Q44332619Extensive overlap of mu-opioid and nicotinic sensitivity in cortical interneurons.
Q37405419FK506-binding protein 12 modulates μ-opioid receptor phosphorylation and protein kinase C(ε)-dependent signaling by its direct interaction with the receptor.
Q46743401Fine mapping of a major QTL influencing morphine preference in C57BL/6 and DBA/2 mice using congenic strains
Q43226849Forebrain PENK and PDYN gene expression levels in three inbred strains of mice and their relationship to genotype-dependent morphine reward sensitivity
Q48589684Foster mother care but not prenatal morphine exposure enhances cocaine self-administration in young adult male and female rats.
Q55317223Functional Divergence of Delta and Mu Opioid Receptor Organization in CNS Pain Circuits.
Q37249905Functional characterization of human variants of the mu-opioid receptor gene
Q33873664Functional dissociation of mu opioid receptor signaling and endocytosis: implications for the biology of opiate tolerance and addiction.
Q84630457Functional imaging in pain research
Q43662870Functional interaction between opioid and cannabinoid receptors in drug self-administration.
Q41843746Functional μ-Opioid-Galanin Receptor Heteromers in the Ventral Tegmental Area.
Q35682949G protein-coupled receptor kinase/beta-arrestin systems and drugs of abuse: psychostimulant and opiate studies in knockout mice.
Q38340269G protein-coupled receptors: functional and mechanistic insights through altered gene expression
Q44341092G-protein coupling of delta-opioid receptors in brains of mu-opioid receptor knockout mice
Q37836762Galanin and addiction
Q40861559Gene disruption in mice: models of development and disease
Q47232230Generation and Characterization of Antibodies against Opioid Receptors from Zebrafish.
Q49052189Generation of dynorphin knockout mice
Q34076144Genes and addiction
Q35682961Genes associated with addiction: alcoholism, opiate, and cocaine addiction
Q47934009Genetic dissociation of morphine analgesia from hyperalgesia in mice
Q48808995Genetic variation in heroin-induced changes in behaviour: effects of B6 strain dose on conditioned reward and locomotor sensitization in 129-B6 hybrid mice
Q77147080Genetics of alcohol and other abused drugs
Q35381687Genotyping test with clinical factors: better management of acute postoperative pain?
Q38893386Glial and Neuroimmune Mechanisms as Critical Modulators of Drug Use and Abuse.
Q43076075Glial and neuroinflammatory targets for treating substance use disorders
Q34158930Glycogen synthase kinase-3 and p38 MAPK are required for opioid-induced microglia apoptosis
Q28143344Heterodimerization of mu and delta opioid receptors: A role in opiate synergy
Q59335423Heteromerization Modulates mu Opioid Receptor Functional Properties
Q24630645Heteromerization of G protein-coupled receptors: relevance to neurological disorders and neurotherapeutics
Q34939624Heteromers of μ-δ opioid receptors: new pharmacology and novel therapeutic possibilities
Q58274661Higher frequency of C.3435 of the ABCB1 gene in patients with tramadol dependence disorder
Q60089151How does morphine work?
Q34144947How to design an opioid drug that causes reduced tolerance and dependence
Q43797993Hypericum perforatum inhibits the binding of mu- and kappa-opioid receptor expressed with the Semliki Forest virus system
Q53467516I don't want to see the pictures: science writing and the visibility of animal experiments.
Q41809990Identification of a Conformational Equilibrium That Determines the Efficacy and Functional Selectivity of the μ-Opioid Receptor
Q34354902Identification of a μ-δ opioid receptor heteromer-biased agonist with antinociceptive activity
Q44068278Identification of two C-terminal amino acids, Ser(355) and Thr(357), required for short-term homologous desensitization of mu-opioid receptors
Q33594412Identifying genes for alcohol and drug sensitivity: recent progress and future directions
Q36414746Impact of chronic morphine on delta opioid receptor-expressing neurons in the mouse hippocampus
Q24605833Impaired emotional-like behavior and serotonergic function during protracted abstinence from chronic morphine
Q44342854Impaired water maze learning performance in mu-opioid receptor knockout mice
Q34358797Implications of genome wide association studies for addiction: are our a priori assumptions all wrong?
Q44333359Improgan, a cimetidine analog, induces morphine-like antinociception in opioid receptor-knockout mice
Q24656000Improvement of morphine-mediated analgesia by inhibition of β-arrestin2 expression in mice periaqueductal gray matter
Q47256037In silico studies of conformational dynamics of Mu opioid receptor performed using gaussian accelerated molecular dynamics
Q88030717In vitro and in vivo functional profile characterization of 17-cyclopropylmethyl-3,14β-dihydroxy-4,5α-epoxy-6α-(isoquinoline-3-carboxamido)morphinan (NAQ) as a low efficacy mu opioid receptor modulator
Q36358677In vitro and in vivo pharmacological profile of UFP-512, a novel selective delta-opioid receptor agonist; correlations between desensitization and tolerance.
Q34763622In vivo activation of a mutant mu-opioid receptor by antagonist: future direction for opiate pain treatment paradigm that lacks undesirable side effects
Q44348499In vivo activation of a mutant mu-opioid receptor by naltrexone produces a potent analgesic effect but no tolerance: role of mu-receptor activation and delta-receptor blockade in morphine tolerance
Q36670065In vivo regulation of the μ opioid receptor: role of the endogenous opioid agents
Q31887588Incomplete cross tolerance and multiple mu opioid peptide receptors
Q42081407Increased abundance of opioid receptor heteromers after chronic morphine administration
Q34124840Increased morphine analgesia and reduced side effects in mice lacking the tac1 gene
Q42734773Increased rewarding properties of morphine in dopamine-transporter knockout mice
Q74133683Increased sensitivity to the stimulant effects of morphine conferred by anti-adhesive glycoprotein SPARC in amygdala
Q46702686Induction of morphine-6-glucuronide synthesis by heroin self-administration in the rat.
Q62818488Inflammation-associated changes in DOR expression and function in the mouse colon
Q36734927Inflammatory mediators modulating the transient receptor potential vanilloid 1 receptor: therapeutic targets to treat inflammatory and neuropathic pain
Q35653788Inflammatory pain is enhanced in delta opioid receptor-knockout mice
Q44350218Influence of Gz and Gi2 transducer proteins in the affinity of opioid agonists to mu receptors.
Q37998313Inhibiting the breakdown of endogenous opioids and cannabinoids to alleviate pain
Q36528515Inhibition of Activity of GABA Transporter GAT1 by δ-Opioid Receptor
Q44349304Inhibition of morphine tolerance and dependence by diazepam and its relation to mu-opioid receptors in the rat brain and spinal cord
Q40749868Inhibition of mu and delta opioid receptor ligand binding by the peptide aldehyde protease inhibitor, leupeptin
Q38968515Insight from animal models of environmentally driven epigenetic changes in the developing and adult brain
Q30828780Interacting Cannabinoid and Opioid Receptors in the Nucleus Accumbens Core Control Adolescent Social Play.
Q43621525Interaction between morphine and lysine
Q74088870Interaction between the retinoid X receptor and transcription factor IIB is ligand-dependent in vivo
Q24302002Interaction of the mu-opioid receptor with GPR177 (Wntless) inhibits Wnt secretion: potential implications for opioid dependence
Q35053193Interactions of the opioid and cannabinoid systems in reward: Insights from knockout studies
Q34197724Interactive HIV-1 Tat and morphine-induced synaptodendritic injury is triggered through focal disruptions in Na⁺ influx, mitochondrial instability, and Ca²⁺ overload.
Q40650863Internalization and recycling of human μ opioid receptors expressed in Sf9 insect cells
Q89804175Interruption of continuous opioid exposure exacerbates drug-evoked adaptations in the mesolimbic dopamine system
Q43639942Intraperitoneal injection of antisense peptide nucleic acids targeted to the mu receptor decreases response to morphine and receptor protein levels in rat brain
Q34128898Intrathecal delivery of a mutant micro-opioid receptor activated by naloxone as a possible antinociceptive paradigm.
Q40798197Inverse agonists and neutral antagonists at mu opioid receptor (MOR): possible role of basal receptor signaling in narcotic dependence.
Q44349824Involvement of delta-opioid receptors in the effects induced by endogenous enkephalins on learned helplessness model
Q37140009Involvement of exon 11-associated variants of the mu opioid receptor MOR-1 in heroin, but not morphine, actions
Q44340949Involvement of kappa-opioid receptors in peripheral response to nerve stimulation in kappa-opioid receptor knockout mice
Q46790397Involvement of kappa/dynorphin system in the development of tolerance to nicotine-induced antinociception
Q35676840Ischemic insults promote epigenetic reprogramming of mu opioid receptor expression in hippocampal neurons
Q74636613Isolation and characterization of natural human IgG with a morphine-like activity
Q30437184It's MORe exciting than mu: crosstalk between mu opioid receptors and glutamatergic transmission in the mesolimbic dopamine system
Q35580750Ivy and neurogliaform interneurons are a major target of μ-opioid receptor modulation
Q37559088Kappa opioid receptor signaling protects cartilage tissue against posttraumatic degeneration
Q48313189Knock-in mice reveal nonsense-mediated mRNA decay in the brain.
Q41835138Knockout of the mu opioid receptor enhances the survival of adult-generated hippocampal granule cell neurons
Q44182704Lack of CB1 cannabinoid receptors modifies nicotine behavioural responses, but not nicotine abstinence.
Q44334234Lack of dependence and rewarding effects of deltorphin II in mu-opioid receptor-deficient mice
Q35765802Lack of genotype effect on D1, D2 receptors and dopamine transporter binding in triple MOP-, DOP-, and KOP-opioid receptor knockout mice of three different genetic backgrounds
Q44050781Lack of reward and locomotor stimulation induced by heroin in mu-opioid receptor-deficient mice.
Q44346657Lack of social exploratory activation in male μ-opioid receptor KO mice in response to playback of female ultrasonic vocalizations
Q28591699Lack of the nociceptin receptor does not affect acute or chronic nociception in mice
Q38022011Let-7 microRNAs and Opioid Tolerance
Q90083198Ligand-dependent spatiotemporal signaling profiles of the μ-opioid receptor are controlled by distinct protein-interaction networks
Q33952880Ligand-directed c-Jun N-terminal kinase activation disrupts opioid receptor signaling
Q28477403Ligand-directed functional selectivity at the mu opioid receptor revealed by label-free integrative pharmacology on-target
Q36382935Ligand-directed signalling within the opioid receptor family
Q36780862Ligand-induced μ opioid receptor internalization in enteric neurons following chronic treatment with the opiate fentanyl
Q82603670Localization of endogenous morphine-like compounds in the mouse spinal cord
Q74072579Localization of endomorphin-2-like immunoreactivity in the rat medulla and spinal cord
Q40946137Localization of promoter elements in the human mu-opioid receptor gene and regulation by DNA methylation
Q73305013Long-lasting antinociceptive effect of DAMGO chloromethyl ketone in rats
Q42702528Long-lasting oral analgesic effects of N-protected aminophosphinic dual ENKephalinase inhibitors (DENKIs) in peripherally controlled pain
Q33993802Loss of morphine reward and dependence in mice lacking G protein-coupled receptor kinase 5.
Q44234620Loss of mu-opioid receptor-mediated G-protein activation in the pons/medulla of mice lacking the exons 2 and 3 of mu-opioid receptor gene
Q37393641Loss of signaling through the G protein, Gz, results in abnormal platelet activation and altered responses to psychoactive drugs
Q37629809Loss of μ opioid receptor signaling in nociceptors, but not microglia, abrogates morphine tolerance without disrupting analgesia
Q34330604Low frequency genetic variants in the μ-opioid receptor (OPRM1) affect risk for addiction to heroin and cocaine.
Q24307686MOR is not enough: identification of novel mu-opioid receptor interacting proteins using traditional and modified membrane yeast two-hybrid screens
Q78056910MOR-1-immunoreactive neurons in the dorsal horn of the rat spinal cord: evidence for nonsynaptic innervation by substance P-containing primary afferents and for selective activation by noxious thermal stimuli
Q44350404MU-opioid receptor-knockout mice: role of mu-opioid receptor in morphine mediated immune functions
Q37084008Management of opioid analgesic overdose
Q42486161Mapping of endogenous morphine-like compounds in the adult mouse brain: Evidence of their localization in astrocytes and GABAergic cells.
Q44350124Maternal exposure to delta9-tetrahydrocannabinol facilitates morphine self-administration behavior and changes regional binding to central mu opioid receptors in adult offspring female rats
Q33183067Measuring pain in the (knockout) mouse: big challenges in a small mammal
Q43070521Measuring reward with the conditioned place preference paradigm: a comprehensive review of drug effects, recent progress and new issues
Q35645517Measuring the incentive value of escalating doses of heroin in heroin-dependent Fischer rats during acute spontaneous withdrawal
Q33550876Mechanisms of endogenous pain modulation illustrated by placebo analgesia : functional imaging findings
Q33946821Mechanisms of pain
Q36040286Mediation of opioid analgesia by a truncated 6-transmembrane GPCR.
Q34788555Membrane glycoprotein M6A promotes mu-opioid receptor endocytosis and facilitates receptor sorting into the recycling pathway
Q28564599Membrane glycoprotein M6a interacts with the micro-opioid receptor and facilitates receptor endocytosis and recycling
Q37137778Methadone Reverses Analgesic Tolerance Induced by Morphine Pretreatment.
Q33989899Methadone: a review of its pharmacokinetic/pharmacodynamic properties.
Q28510086Mice deficient for delta- and mu-opioid receptors exhibit opposing alterations of emotional responses
Q33780850Mice lacking multidrug resistance protein 3 show altered morphine pharmacokinetics and morphine-6-glucuronide antinociception
Q37422108Mice lacking the G protein gamma3-subunit show resistance to opioids and diet induced obesity
Q30524653Modeling socially anhedonic syndromes: genetic and pharmacological manipulation of opioid neurotransmission in mice
Q79776267Modification of morphine-induced hyperlocomotion and antinociception in mice by clorgyline, a monoamine oxidase-A inhibitor
Q57812851Modulation of Opioid Transport at the Blood-Brain Barrier by Altered ATP-Binding Cassette (ABC) Transporter Expression and Activity
Q33788059Modulation of feeding and locomotion through mu and delta opioid receptor signaling in the nucleus accumbens
Q35769311Modulation of mTOR Activity by μ-Opioid Receptor is Dependent upon the Association of Receptor and FK506-Binding Protein 12
Q34247711Modulation of pain transmission by G-protein-coupled receptors
Q33608286Molecular insights into mu opioid pharmacology: From the clinic to the bench
Q34922365Molecular mechanisms of analgesia induced by opioids and ethanol: is the GIRK channel one of the keys?
Q40037212Morphine Inhibited the Rat Neural Stem Cell Proliferation Rate by Increasing Neuro Steroid Genesis.
Q38601577Morphine activation of mu opioid receptors causes disinhibition of neurons in the ventral tegmental area mediated by β-arrestin2 and c-Src
Q39146466Morphine and fentanyl differently affect MOP and NOP gene expression in human neuroblastoma SH-SY5Y cells
Q48298294Morphine and heroin differentially modulate in vivo hippocampal LTP in opiate-dependent rat.
Q36100024Morphine disrupts long-range synchrony of gamma oscillations in hippocampal slices
Q35063629Morphine enhances Tat-induced activation in murine microglia.
Q37152999Morphine hyperalgesia gated through microglia-mediated disruption of neuronal Cl⁻ homeostasis
Q98290066Morphine in the Setting of Acute Heart Failure: Do the Risks Outweigh the Benefits?
Q35661518Morphine induces desensitization of insulin receptor signaling
Q31804152Morphine induces short-lived changes in G-protein gene expression in rat prefrontal cortex
Q44336809Morphine withdrawal enhances constitutive μ-opioid receptor activity in the ventral tegmental area.
Q44341922Morphine withdrawal precipitated by specific mu, delta or kappa opioid receptor antagonists: a c-Fos protein study in the rat central nervous system
Q42702299Morphine-Induced Constipation Develops With Increased Aquaporin-3 Expression in the Colon via Increased Serotonin Secretion
Q36280218Morphine-activated opioid receptors elude desensitization by beta-arrestin
Q43638936Morphine-induced dependence and sensitization are altered in mice deficient in AMPA-type glutamate receptor-A subunits.
Q41605692Morphine-induced hyperalgesia involves mu opioid receptors and the metabolite morphine-3-glucuronide.
Q36984756Morphine-induced mu-opioid receptor rapid desensitization is independent of receptor phosphorylation and beta-arrestins
Q37376293Morphine-induced nitric oxide production in isolated, iris-ciliary bodies
Q24646270Morphine-induced physiological and behavioral responses in mice lacking G protein-coupled receptor kinase 6
Q47366337Morphine-induced place preference affects mRNA expression of G protein α subunits in rat brain
Q34383602Morphine-induced receptor endocytosis in a novel knockin mouse reduces tolerance and dependence
Q24674873Morphine-stimulated nitric oxide release in rabbit aqueous humor
Q37113199Morphine: a protective or destructive role in neurons?
Q43875647Motivational effects of cannabinoids are mediated by mu-opioid and kappa-opioid receptors.
Q35199976Mouse model of the OPRM1 (A118G) polymorphism: differential heroin self-administration behavior compared with wild-type mice
Q34401595Mouse mu opioid receptor gene expression. A 34-base pair cis-acting element inhibits transcription of the mu opioid receptor gene from the distal promoter
Q43792471Mouse strain differences in opiate reward learning are explained by differences in anxiety, not reward or learning.
Q34795487Mu (mu) opioid receptor regulation of ethanol-induced dopamine response in the ventral striatum: evidence of genotype specific sexual dimorphic epistasis.
Q44343229Mu Opioid Receptors in Gamma-Aminobutyric Acidergic Forebrain Neurons Moderate Motivation for Heroin and Palatable Food.
Q28474735Mu and delta opioid receptors oppositely regulate motor impulsivity in the signaled nose poke task
Q44353181Mu and kappa1 opioid-stimulated [35S]guanylyl-5'-O-(gamma-thio)-triphosphate binding in cynomolgus monkey brain
Q34651031Mu opioid receptor A118G polymorphism in association with striatal opioid neuropeptide gene expression in heroin abusers
Q37279348Mu opioid receptor activation enhances regulator of G protein signaling 4 association with the mu opioid receptor/G protein complex in a GTP-dependent manner
Q38633387Mu opioid receptor knockdown in the substantia nigra/ventral tegmental area by synthetic small interfering RNA blocks the rewarding and locomotor effects of heroin
Q37385680Mu opioid receptor modulation of somatodendritic dopamine overflow: GABAergic and glutamatergic mechanisms
Q44350366Mu opioid receptors in GABAergic neurons of the forebrain promote alcohol reward and drinking
Q33581970Mu opioid receptors in pain management
Q90034363Mu opioid receptors in the medial habenula contribute to naloxone aversion
Q28533332Mu opioid receptors on primary afferent nav1.8 neurons contribute to opiate-induced analgesia: insight from conditional knockout mice
Q37236111Mu opioids and their receptors: evolution of a concept
Q36983043Mu- and kappa-opioids induce the differentiation of embryonic stem cells to neural progenitors
Q44341571Mu-opioid Receptors Facilitate the Propagation of Excitatory Activity in Rat Hippocampal Area CA1 by Disinhibition of all Anatomical Layers
Q28590279Mu-opioid receptor desensitization by beta-arrestin-2 determines morphine tolerance but not dependence
Q33882631Mu-opioid receptor specific antagonist cyprodime: characterization by in vitro radioligand and [35S]GTPgammaS binding assays.
Q44329819Mu-opioid receptors are involved in the tolerance to nicotine antinociception
Q35748006Mu-opioid receptors are not necessary for nortriptyline treatment of neuropathic allodynia
Q43563172Mu-opioid receptors are present in functionally identified sympathoexcitatory neurons in the rat rostral ventrolateral medulla
Q30367911Music and social bonding: "self-other" merging and neurohormonal mechanisms.
Q47816071NMDA receptor-dependent long term hyperalgesia after tail amputation in mice
Q48255291NPYFa, A Chimeric Peptide of Met-Enkephalin, and NPFF Induces Tolerance-Free Analgesia
Q43781005Naloxone fails to produce conditioned place aversion in mu-opioid receptor knock-out mice
Q36762428Naloxone treatment in opioid addiction: the risks and benefits
Q36884622Nerve Injury Diminishes Opioid Analgesia through Lysine Methyltransferase-mediated Transcriptional Repression of μ-Opioid Receptors in Primary Sensory Neurons
Q34616139Neural systems underlying opiate addiction.
Q34535855Neurobiology of addiction: a neurocircuitry analysis
Q59385181Neuroimmune mechanisms of psychostimulant and opioid use disorders
Q35177355Neuroimmunity and the blood-brain barrier: molecular regulation of leukocyte transmigration and viral entry into the nervous system with a focus on neuroAIDS.
Q24658250Neurokinin 1 receptors regulate morphine-induced endocytosis and desensitization of mu-opioid receptors in CNS neurons
Q33822246Neuropeptides and sexual behaviour
Q44880443Neuroscience of addiction
Q41742748New delta-opioid antagonists as pharmacological probes.
Q46243671New directions in pain research: molecules to maladies
Q28111990Nicotine and endogenous opioids: Neurochemical and pharmacological evidence
Q44350077No heroin or morphine 6beta-glucuronide analgesia in mu-opioid receptor knockout mice
Q44328327Nociceptin/orphanin FQ knockout mice display up-regulation of the opioid receptor-like 1 receptor and alterations in opioid receptor expression in the brain
Q41098806Nociceptin/orphanin FQ stimulates extracellular acidification and desensitization of the response involves protein kinase C.
Q79970098Nociceptive and morphine antinociceptive sensitivity of 129 and C57BL/6 inbred mouse strains: implications for transgenic knock-out studies
Q24319975Nocistatin, a peptide that blocks nociceptin action in pain transmission
Q90288944Non-nociceptive roles of opioids in the CNS: opioids' effects on neurogenesis, learning, memory and affect
Q36104010Novel approaches for the treatment of psychostimulant and opioid abuse - focus on opioid receptor-based therapies
Q34106722Novel approaches to targeting neuropeptide systems
Q30278500Novelty Seeking and Drug Addiction in Humans and Animals: From Behavior to Molecules
Q44333029Numerical density of delta-opioid receptor expressing neurons in the frontal cortex of drug-related fatalities
Q31555435Numerical density of mu opioid receptor expressing neurons in the frontal cortex of drug related fatalities
Q44349876ORL-1 and mu opioid receptor antisera label different fibers in areas involved in pain processing
Q43070644Opioid analgesics as noncompetitive N-methyl-D-aspartate (NMDA) antagonists
Q36694953Opioid drug abuse and modulation of immune function: consequences in the susceptibility to opportunistic infections
Q38025200Opioid genetics: the key to personalized pain control?
Q34116565Opioid receptor and peptide gene polymorphisms: potential implications for addictions
Q44331169Opioid receptor endocytosis and activation of MAP kinase pathway
Q39027943Opioid receptor gene expression in human neuroblastoma SH-SY5Y cells following tapentadol exposure
Q27004306Opioid receptor heteromers in analgesia
Q38085387Opioid receptor interacting proteins and the control of opioid signaling.
Q34612123Opioid receptor polymorphisms and opioid abuse
Q44342096Opioid receptor random mutagenesis reveals a mechanism for G protein-coupled receptor activation
Q37938862Opioid receptor trafficking and signaling: what happens after opioid receptor activation?
Q36304802Opioid receptors from a lower vertebrate (Catostomus commersoni): sequence, pharmacology, coupling to a G-protein-gated inward-rectifying potassium channel (GIRK1), and evolution.
Q89207660Opioid receptors: drivers to addiction?
Q37249017Opioid receptors: from binding sites to visible molecules in vivo
Q41651018Opioid receptors: pinning down the opiate targets
Q27002925Opioid receptors: toward separation of analgesic from undesirable effects
Q34305249Opioid rotation in clinical practice
Q37065797Opioid tolerance development: a pharmacokinetic/pharmacodynamic perspective
Q28581321Opioid-induced decreases in rat brain adenosine levels are reversed by inhibiting adenosine deaminase
Q34323667Opioid-induced mitogen-activated protein kinase signaling in rat enteric neurons following chronic morphine treatment
Q36843509Opioids and social bonding: naltrexone reduces feelings of social connection
Q34437456Opioids and their receptors: Are we there yet?
Q47930841Opioids modulate the calcitonin gene-related peptide8-37-mediated hindpaw withdrawal latency increase in thermally injured rats
Q35881855Opioids potentiate electrical transmission at mixed synapses on the Mauthner cell
Q33547877Opioids: first lessons from knockout mice
Q64883510Optimization of a Series of Mu Opioid Receptor (MOR) Agonists with High G Protein Signaling Bias.
Q36895853Oral extended-release oxymorphone: a new choice for chronic pain relief
Q36367877Ovarian hormones and migraine headache: understanding mechanisms and pathogenesis--part I.
Q37091369Ovarian steroids modulate leu-enkephalin levels and target leu-enkephalinergic profiles in the female hippocampal mossy fiber pathway
Q28140910Pain responses in methadone-maintained opioid abusers
Q39150818Paradoxical relationship between RAVE (relative activity versus endocytosis) values of several opioid receptor agonists and their liability to cause dependence
Q43192342Parallel modulation of receptor for activated C kinase 1 and protein kinase C-alpha and beta isoforms in brains of morphine-treated rats
Q42155707Parsing the hedonic and motivational influences of nociceptin on feeding using licking microstructure analysis in mice
Q34605733Parvalbumin-containing fast-spiking basket cells generate the field potential oscillations induced by cholinergic receptor activation in the hippocampus.
Q33797829Persistent pain model reveals sex difference in morphine potency
Q37201611Pharmacogenetic treatments for drug addiction: alcohol and opiates.
Q34081709Pharmacogenetics of alcohol and alcohol dependence treatment
Q36110592Pharmacogenetics of analgesic drugs
Q48490118Pharmacogenetics of opiates in clinical practice: the visible tip of the iceberg
Q34116570Pharmacogenomics and addiction to opiates
Q37932516Pharmacogenomics of the human µ-opioid receptor
Q44334357Pharmacokinetic and pharmacodynamic modeling of opioid-induced gastrointestinal side effects in patients receiving tapentadol IR and oxycodone IR.
Q91598924Pharmacological Characterization of Dezocine, a Potent Analgesic Acting as a κ Partial Agonist and μ Partial Agonist
Q37679197Pharmacological Profiles of Oligomerized μ-Opioid Receptors
Q38352343Pharmacological characterization of AR-M1000390 at human delta opioid receptors
Q38300930Pharmacological characterization of the dermorphin analog [Dmt(1)]DALDA, a highly potent and selective mu-opioid peptide
Q44333416Pharmacological profiles of selective non-peptidic delta opioid receptor ligands
Q36932895Pharmacological selectivity of CTAP in a warm water tail-withdrawal antinociception assay in rats
Q34088749Pharmacology of amphibian opiate peptides
Q34810395Pharmacotherapy of addictions
Q44345034Phosphatidylinositol-3 kinase is distinctively required for mu-, but not kappa-opioid receptor-induced activation of c-Jun N-terminal kinase
Q90788710Phosphoproteomic approach for agonist-specific signaling in mouse brains: mTOR pathway is involved in κ opioid aversion
Q34016207Phosphorylation of EEA1 by p38 MAP kinase regulates mu opioid receptor endocytosis
Q48607206Place preference test in rodents
Q34445458Placebo effects mediated by endogenous opioid activity on mu-opioid receptors.
Q42326079Placebo-induced analgesia in an operant pain model in rats
Q36266246Polydrug abuse: a review of opioid and benzodiazepine combination use
Q27027736Positive allosteric modulators of the μ-opioid receptor: a novel approach for future pain medications
Q44333978Postsynaptic signaling via the [mu]-opioid receptor: responses of dorsal horn neurons to exogenous opioids and noxious stimulation.
Q44345022Preimplantation mouse embryo is a target for opioid ligand-receptor signaling
Q44342551Presynaptic mechanism for anti-analgesic and anti-hyperalgesic actions of kappa-opioid receptors.
Q44352134Promoter activity of mouse kappa opioid receptor gene in transgenic mouse
Q35658836Pronociceptive and antinociceptive effects of estradiol through endogenous opioid neurotransmission in women
Q36763059Propagation of conformational changes during μ-opioid receptor activation
Q31816606Proteasome involvement in agonist-induced down-regulation of mu and delta opioid receptors
Q43557316Protective effects of morphine in peroxynitrite-induced apoptosis of primary rat neonatal astrocytes: potential involvement of G protein and phosphatidylinositol 3-kinase (PI3 kinase).
Q31012143Purification and mass spectrometric analysis of the μ opioid receptor
Q44347879Quantitative autoradiographic mapping of mu-, delta- and kappa-opioid receptors in knockout mice lacking the mu-opioid receptor gene
Q28505253Quantitative autoradiographic mapping of opioid receptors in the brain of delta-opioid receptor gene knockout mice
Q44044472Quantitative autoradiography of adenosine receptors and NBTI-sensitive adenosine transporters in the brains and spinal cords of mice deficient in the mu-opioid receptor gene.
Q44351559Quantitative autoradiography of mu-,delta- and kappa1 opioid receptors in kappa-opioid receptor knockout mice
Q36763815Quantitative encoding of the effect of a partial agonist on individual opioid receptors by multisite phosphorylation and threshold detection
Q44349148Quantitative immunolocalization of mu opioid receptors: regulation by naltrexone
Q44340203Quantitative single-cell differences in mu-opioid receptor mRNA distinguish myelinated and unmyelinated nociceptors.
Q39444998Rational treatment of addiction
Q38736252Recent Advances in the Realm of Allosteric Modulators for Opioid Receptors for Future Therapeutics
Q34418203Recent advances in the use of opioids for cancer pain
Q34283883Receptors and transmission in the brain-gut axis: potential for novel therapies. III. Mu-opioid receptors in the enteric nervous system
Q33920823Reduced emotional and corticosterone responses to stress in mu-opioid receptor knockout mice
Q38346695Reduced expression of a novel mu-opioid receptor (MOR) subtype MOR-1B in CXBK mice: implications of MOR-1B in the expression of MOR-mediated responses
Q28363073Reduction of opioid dependence by the CB(1) antagonist SR141716A in mice: evaluation of the interest in pharmacotherapy of opioid addiction
Q34112684Region specific up-regulation of oxytocin receptors in the opioid oprm1 (-/-) mouse model of autism
Q36358112Region-dependent attenuation of mu opioid receptor-mediated G-protein activation in mouse CNS as a function of morphine tolerance
Q42443898Regulation of delta-opioid receptor trafficking via mu-opioid receptor stimulation: evidence from mu-opioid receptor knock-out mice.
Q44345799Regulation of immunolabelled mu-opioid receptors and protein kinase C-alpha and zeta isoforms in the frontal cortex of human opiate addicts
Q32062002Regulation of mouse kappa opioid receptor gene expression by retinoids.
Q34113042Regulation of opioid receptor trafficking and morphine tolerance by receptor oligomerization
Q37767447Regulation of opioid receptors by opioid antagonists: implications for rapid opioid detoxification
Q24603928Regulation of opioid tolerance by let-7 family microRNA targeting the mu opioid receptor
Q36591603Regulation of μ-opioid receptors: desensitization, phosphorylation, internalization, and tolerance.
Q37228167Regulator of G protein signaling proteins differentially modulate signaling of mu and delta opioid receptors
Q38420812Regulator of G-Protein Signaling 7 Regulates Reward Behavior by Controlling Opioid Signaling in the Striatum
Q57284888Regulators of G-Protein Signaling (RGS) Proteins Promote Receptor Coupling to G-Protein-Coupled Inwardly Rectifying Potassium (GIRK) Channels
Q44331077Relationship of mu opioid receptor binding to activation of G-proteins in specific rat brain regions
Q44351630Relevance of frequent mu-opioid receptor polymorphisms for opioid activity in healthy volunteers
Q44348307Repeated restraint stress reduces opioid receptor binding in different rat CNS structures
Q43612672Respiratory function in adult mice lacking the mu-opioid receptor: role of delta-receptors
Q52534596Retention of heroin and morphine-6 beta-glucuronide analgesia in a new line of mice lacking exon 1 of MOR-1.
Q44330314Retention of supraspinal delta-like analgesia and loss of morphine tolerance in delta opioid receptor knockout mice
Q35786247Reward processing by the opioid system in the brain.
Q51400644Rewarding effects of opiates are absent in mice lacking the receptor for substance P.
Q37162162Rewarding morphine-induced synaptic function of delta-opioid receptors on central glutamate synapses
Q50682037Rewarding or aversive effects of buprenorphine/naloxone combination (Suboxone) depend on conditioning trial duration.
Q92825246Role of Nociceptor Toll-like Receptor 4 (TLR4) in Opioid-Induced Hyperalgesia and Hyperalgesic Priming
Q41879862Role of different brain structures in the behavioural expression of WIN 55,212-2 withdrawal in mice.
Q41531803Role of protein kinase C and mu-opioid receptor (MOPr) desensitization in tolerance to morphine in rat locus coeruleus neurons.
Q44350348Role of the endogenous opioid system on the neuropsychopharmacological effects of ethanol: new insights about an old question
Q47711187Role of the guanine nucleotide binding protein, Gαo, in the development of morphine tolerance and dependence
Q33807778Search for the "ideal analgesic" in pain treatment by engineering the mu-opioid receptor
Q33727027Searching for evidence of genetic mediation of opioid withdrawal by opioid receptor gene polymorphisms
Q28378301Selective antagonism by naloxonazine of antinociception by Tyr-D-Arg-Phe-beta-Ala, a novel dermorphin analogue with high affinity at mu-opioid receptors
Q59131861Selective blockade of spinal D2DR by levo-corydalmine attenuates morphine tolerance via suppressing PI3K/Akt-MAPK signaling in a MOR-dependent manner
Q41009880Selective interference of beta-arrestin 1 with kappa and delta but not mu opioid receptor/G protein coupling
Q35146154Sequential and opposing alterations of 5-HT(1A) receptor function during withdrawal from chronic morphine.
Q28583157Sialorphin, a natural inhibitor of rat membrane-bound neutral endopeptidase that displays analgesic activity
Q35776788Signaling cascades for δ-opioid receptor-mediated inhibition of GABA synaptic transmission and behavioral antinociception
Q60678549Sind μ-Opioidrezeptorpolymorphismen wichtig für die Opioidtherapie?
Q44333302Single-stranded DNA-binding complex involved in transcriptional regulation of mouse mu-opioid receptor gene
Q34157204Social influences on morphine sensitization in adolescent females.
Q34157398Socially induced morphine pseudosensitization in adolescent mice.
Q44330721Specific activation of the mu opioid receptor (MOR) by endomorphin 1 and endomorphin 2.
Q35205465Spinal delivery of analgesics in experimental models of pain and analgesia
Q51145621Spinal or supraspinal phosphorylation deficiency at the MOR C-terminus does not affect morphine tolerance in vivo.
Q46885711Src Kinase Inhibition Attenuates Morphine Tolerance without Affecting Reinforcement or Psychomotor Stimulation
Q37083915Strong and Long-Lasting Antinociceptive and Anti-inflammatory Conjugate of Naturally Occurring Oleanolic Acid and Aspirin
Q35747694Structural Determinants for the Binding of Morphinan Agonists to the μ-Opioid Receptor
Q34073218Structural basis for μ-opioid receptor binding and activation
Q34488374Structural insights into µ-opioid receptor activation
Q56674183Structure of the µ-opioid receptor–Gi protein complex
Q57159474Structure-Activity Relationship Studies of 6α- and 6β-Indolylacetamidonaltrexamine Derivatives as Bitopic Mu Opioid Receptor Modulators and Elaboration of the "Message-Address Concept" To Comprehend Their Functional Conversion
Q47256238Study of analgesic effect of earthworm extract
Q39457258Study on the activation of the opioid receptors by a set of morphine derivatives in a well-defined assay system
Q30707290Substance abuse vulnerability loci: converging genome scanning data
Q44344913Substantial attributable risk related to a functional mu-opioid receptor gene polymorphism in association with heroin addiction in central Sweden
Q32027306Suppressive effects of oxcarbazepine on tooth pulp-evoked potentials recorded at the trigeminal spinal tract nucleus in cats
Q45759119Suspected Adulteration of Commercial Kratom Products with 7-Hydroxymitragynine
Q36431999Sustained Suppression of Hyperalgesia during Latent Sensitization by μ-, δ-, and κ-opioid receptors and α2A Adrenergic Receptors: Role of Constitutive Activity
Q38192648Synaptic changes induced by melanocortin signalling.
Q33806664Synaptic mechanism for functional synergism between delta- and mu-opioid receptors
Q44343990Synthesis and Opioid Activity of Tyr1 -ψ[(Z)CF=CH]-Gly2 and Tyr1 -ψ[(S)/(R)-CF3 CH-NH]-Gly2 Leu-enkephalin Fluorinated Peptidomimetics
Q43832761Synthesis and biological activities of YkFA analogues: effects of position 4 substitutions and altered ring size on in vitro opioid activity
Q37333006Synthesis and evaluation of new endomorphin analogues modified at the Pro(2) residue.
Q37186178Synthesis, modeling, and pharmacological evaluation of UMB 425, a mixed μ agonist/δ antagonist opioid analgesic with reduced tolerance liabilities.
Q37310339T394A Mutation at the μ Opioid Receptor Blocks Opioid Tolerance and Increases Vulnerability to Heroin Self-Administration in Mice
Q44350826TH-030418: a potent long-acting opioid analgesic with low dependence liability
Q47332344TRPV1 is a physiological regulator of μ-opioid receptors.
Q36343383Targeted exosome-mediated delivery of opioid receptor Mu siRNA for the treatment of morphine relapse
Q33559498Targeted expression of μ-opioid receptors in a subset of striatal direct-pathway neurons restores opiate reward
Q39221109Targeting multiple opioid receptors - improved analgesics with reduced side effects?
Q27001692Telomeres and epigenetics: potential relevance to chronic pain
Q39371102Tetrapeptide Endomorphin Analogs Require Both Full Length and Truncated Splice Variants of the Mu Opioid Receptor Gene Oprm1 for Analgesia
Q35859775The 5-HT3B subunit affects high-potency inhibition of 5-HT3 receptors by morphine
Q91796599The Cholinergic System as a Treatment Target for Opioid Use Disorder
Q92644109The Emerging Perspective of Morphine Tolerance: MicroRNAs
Q91813555The G-protein biased mu-opioid agonist, TRV130, produces reinforcing and antinociceptive effects that are comparable to oxycodone in rats
Q49077685The NK1 receptor is essential for the full expression of noxious inhibitory controls in the mouse
Q90107822The Negative Affect of Protracted Opioid Abstinence: Progress and Perspectives From Rodent Models
Q35184664The OPRD1 and OPRK1 loci in alcohol or drug dependence: OPRD1 variation modulates substance dependence risk
Q55315782The Regulatory Mechanisms and Therapeutic Potential of MicroRNAs: From Chronic Pain to Morphine Tolerance.
Q35974778The antiallodynic action of pregabalin in neuropathic pain is independent from the opioid system
Q33455500The behavioral, anatomical and pharmacological parallels between social attachment, love and addiction
Q42170936The biochemical analysis of methadone modulation on morphine-induced tolerance and dependence in the rat brain
Q38164427The challenges of LC-MS/MS analysis of opiates and opioids in urine
Q44345198The delta agonists DPDPE and deltorphin II recruit predominantly mu receptors to produce thermal analgesia: a parallel study of mu, delta and combinatorial opioid receptor knockout mice
Q93542143The distribution of methionine-enkephalin and leucine-enkephalin in the brain and peripheral tissues
Q34578586The diverse molecular mechanisms responsible for the actions of opioids on the cardiovascular system
Q57137163The effect of quinine in two bottle choice procedures in C57BL6 mice: Opioid preference, somatic withdrawal, and pharmacokinetic outcomes
Q34965644The effects of analgesia in the vulnerable infant during the perinatal period.
Q33779667The effects of opioids and opioid analogs on animal and human endocrine systems
Q42325921The endogenous opioid system and drug addiction
Q36110480The endogenous opioid system in cocaine addiction: what lessons have opioid peptide and receptor knockout mice taught us?
Q44339249The full-length mu-opioid receptor: a conformational study by circular dichroism in trifluoroethanol and membrane-mimetic environments
Q33679576The genetic mediation of individual differences in sensitivity to pain and its inhibition
Q34431107The genetics of addictions: uncovering the genes
Q34991740The heritability of oxycodone reward and concomitant phenotypes in a LG/J × SM/J mouse advanced intercross line
Q51402683The human nucleus accumbens is highly susceptible to G protein down-regulation by methamphetamine and heroin.
Q41872053The kappa opioid receptor is associated with the perception of visceral pain
Q34185953The molecular dynamics of pain control
Q33679584The mu opiate receptor as a candidate gene for pain: polymorphisms, variations in expression, nociception, and opiate responses
Q42126097The mu opioid receptor is involved in buprenorphine-induced locomotor stimulation and conditioned place preference
Q44329891The mu-opioid receptor gene-dose dependent reductions in G-protein activation in the pons/medulla and antinociception induced by endomorphins in mu-opioid receptor knockout mice
Q44345741The mu-opioid receptor is necessary for [D-Pen2,D-Pen5]enkephalin-induced analgesia
Q52628758The novel μ-opioid receptor agonist PZM21 depresses respiration and induces tolerance to antinociception.
Q43637785The opioid placebo analgesia is mediated exclusively through μ-opioid receptor in rat.
Q89464718The orphan receptor GPR88 blunts the signaling of opioid receptors and multiple striatal GPCRs
Q34333349The pharmacology of mu analgesics: from patients to genes
Q44336740The rare Arg181Cys mutation in the μ opioid receptor can abolish opioid responses
Q36007926The rewarding action of acute cocaine is reduced in β-endorphin deficient but not in μ opioid receptor knockout mice
Q44346086The rewarding properties of MDMA are preserved in mice lacking mu-opioid receptors
Q34311504The role of beta-arrestin2 in the severity of antinociceptive tolerance and physical dependence induced by different opioid pain therapeutics.
Q37753286The role of functional postsynaptic NMDA receptors in the central nucleus of the amygdala in opioid dependence
Q35871222The role of mu opioid receptors in psychomotor stimulation and conditioned place preference induced by morphine-6-glucuronide
Q44334078The role of opioid receptors in morphine withdrawal in the infant rat.
Q34268488The role of the brain reward system in depression
Q55038697The state of GPCR research in 2004.
Q31840219The untranslated region of (mu)-opioid receptor mRNA contributes to reduced opioid sensitivity in CXBK mice.
Q36389121Tolerance and sensitization to chronic escalating dose heroin following extended withdrawal in Fischer rats: possible role of mu-opioid receptors
Q33604982Toll-like receptor 4 mutant and null mice retain morphine-induced tolerance, hyperalgesia, and physical dependence
Q64110165TouchScreen-based phenotyping: altered stimulus/reward association and lower perseveration to gain a reward in mu opioid receptor knockout mice
Q44350146Transcriptional regulation of mouse mu-opioid receptor gene
Q39391430Transdermal buprenorphine for treatment of chronic tumor and non-tumor pain
Q34235012Truncated G protein-coupled mu opioid receptor MOR-1 splice variants are targets for highly potent opioid analgesics lacking side effects
Q36770675Truncated mu opioid GPCR variant involvement in opioid-dependent and opioid-independent pain modulatory systems within the CNS.
Q40277139Ultra-low dose naltrexone attenuates chronic morphine-induced gliosis in rats
Q41353570Understanding the molecular basis of agonist/antagonist mechanism of human mu opioid receptor through gaussian accelerated molecular dynamics method
Q24634901Unidirectional cross-activation of GRPR by MOR1D uncouples itch and analgesia induced by opioids
Q48094995Unique behavioural phenotypes of recombinant-inbred CXBK mice: partial deficiency of sensitivity to mu- and kappa-agonists
Q30499644Unrestrained nociceptive response and disregulation of hearing ability in mice lacking the nociceptin/orphaninFQ receptor
Q34028220Up-regulation of the mu-opioid receptor gene is mediated through chromatin remodeling and transcriptional factors in differentiated neuronal cells
Q36403790Upregulation of nerve growth factor in central amygdala increases sensitivity to opioid reward
Q46973639Use of preproenkephalin knockout mice and selective inhibitors of enkephalinases to investigate the role of enkephalins in various behaviours.
Q73170015Use of selective antagonists and antisense oligonucleotides to evaluate the mechanisms of BUBU antinociception
Q43075530Usefulness of knockout mice to clarify the role of the opioid system in chronic pain.
Q51990334Using knockout and transgenic mice to study neurophysiology and behavior.
Q91474276Variation in the μ-opioid receptor gene (OPRM1) and experiences of felt security in response to a romantic partner's quarrelsome behavior
Q44351535Visceral chemical nociception in mice lacking mu-opioid receptors: effects of morphine, SNC80 and U-50,488.
Q78245433What's all the RAVE about receptor internalization?
Q64119307Why Do Birds Flock? A Role for Opioids in the Reinforcement of Gregarious Social Interactions
Q82032260Why does morphine make you itch?
Q57466905Why mu-opioid agonists have less analgesic efficacy in neuropathic pain?
Q46463949Withdrawal symptom after discontinuation of transdermal fentanyl at a daily dose of 0.6 mg.
Q33893116Withdrawal syndromes
Q89638441Wrist-ankle acupuncture attenuates cancer-induced bone pain by regulating descending pain-modulating system in a rat model
Q73213332[Mechanisms of opioid tolerance and opioid dependence]
Q72990194[Understanding of molecular biology]
Q44330291delta-Opioid receptor agonists produce antinociception and [35S]GTPgammaS binding in mu receptor knockout mice
Q37476172miR-365 targets β-arrestin 2 to reverse morphine tolerance in rats
Q36014007micro-Opioid receptor activation prevents acute hepatic inflammation and cell death
Q44348420mu Opioid receptor knockout in mice: effects on ligand-induced analgesia and morphine lethality
Q43670362mu Opioid receptor-mediated G-protein activation by heroin metabolites: evidence for greater efficacy of 6-monoacetylmorphine compared with morphine
Q40893577mu Opioid receptor: role for the amino terminus as a determinant of ligand binding affinity
Q41012113mu-Opioid receptor activates signaling pathways implicated in cell survival and translational control
Q44348820mu-Opioid receptor-knockout mice: the role of mu-opioid receptor in gastrointestinal transit
Q28270615mu-Opposing actions of the kappa-opioid receptor
Q44338719mu-opioid receptor-mediated antinociceptive responses differ in men and women.
Q38167644β-arrestins: regulatory role and therapeutic potential in opioid and cannabinoid receptor-mediated analgesia
Q35039212κ-Opioid receptors are not necessary for the antidepressant treatment of neuropathic pain
Q37093727μ- and δ-opioid-related processes in the accumbens core and shell differentially mediate the influence of reward-guided and stimulus-guided decisions on choice
Q38285112μ-Opioid receptor 6-transmembrane isoform: A potential therapeutic target for new effective opioids
Q34939720μ-Opioid receptor activation and noradrenaline transport inhibition by tapentadol in rat single locus coeruleus neurons
Q90713662μ-Opioid receptors in primary sensory neurons are essential for opioid analgesic effect on acute and inflammatory pain and opioid-induced hyperalgesia
Q36927128μ-Opioid receptors mediate the effects of chronic ethanol binge drinking on the hippocampal neurogenic niche
Q38355088μ-opioid modulation of HIV-1 coreceptor expressionand HIV-1 replication

Search more.