naltrexone has been researched along with enkephalin, ser(2), leu(5), thr(6)- in 39 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 9 (23.08) | 18.7374 |
1990's | 27 (69.23) | 18.2507 |
2000's | 3 (7.69) | 29.6817 |
2010's | 0 (0.00) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
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Bell, GI; Chen, Y; Kong, H; Raynor, K; Reisine, T; Yasuda, K; Yu, L | 1 |
Adapa, ID; Auh, JS; Berzetei-Gurske, IP; Brandt, SR; Craymer, K; Farrington, L; Haggart, D; Kennedy, JM; O'Brien, A; Polgar, WE; Rodriguez, L; Schwartz, RW; Toll, L; White, A | 1 |
Portoghese, PS; Sofuoglu, M; Takemori, AE | 1 |
Crook, TJ; Hill, RG; Kitchen, I | 1 |
Bowen, WD; Jiang, Q; Mosberg, HI; Porreca, F; Portoghese, PS; Sultana, M; Takemori, AE | 1 |
Cohen, Y; Jacquot, C; Orosco, M; Robert, JJ; Rouch, C | 1 |
Billington, CJ; Grace, M; Levine, AS; Portoghese, PS | 1 |
Clark, MJ; Medzihradsky, F; Nordby, GL | 1 |
Smith, CB | 1 |
Bhargava, HN; Rapaka, RS; Renugopalakrishnan, V | 1 |
Ho, BY; Naeseth, JS; Portoghese, PS; Takemori, AE | 1 |
Gosnell, BA; Grace, M; Levine, AS | 1 |
Portoghese, PS; Takemori, AE | 1 |
Bhargava, HN; Das, S | 2 |
Pert, CB; Rothman, RB; Schumacher, UK | 1 |
Fukushima, N; Hayashi, C; Katayama, T; Misu, Y; Miyamae, T; Ueda, H | 1 |
Bélisle, S; Bellabarba, D; Gallo-Payet, N; Lehoux, JG; Petit, A | 1 |
Coupar, IM; Hancock, DL | 1 |
Búzás, B; Cox, BM; Izenwasser, S | 1 |
Davis, T; Shah, S; Yoburn, BC | 1 |
Crook, TJ; Hill, RG; Kitchen, I; Muhammad, BY | 1 |
Bell, GI; Kong, H; Raynor, K; Reisine, T; Takeda, J; Yano, H | 1 |
Fukushima, N; Misu, Y; Miyamae, T; Ueda, H | 1 |
Chang, KJ; Comer, SD; De Costa, BR; Hoenicke, EM; McNutt, RW; Mosberg, HI; Sable, AI; Woods, JH | 1 |
Chakrabarti, S; Portoghese, PS; Sultana, M; Takemori, AE | 1 |
Búzás, B; Cox, BM; Izenwasser, S; Portoghese, PS | 1 |
Lanthorn, TH; Watson, GB | 1 |
Miyamoto, Y; Portoghese, PS; Takemori, AE | 2 |
Fujimoto, J; Ho, BY; Holmes, BB; Zhao, J | 1 |
Breivogel, CS; Childers, SR; Selley, DE | 1 |
Billington, CJ; Kotz, CM; Levine, AS | 1 |
Childers, SR; Sim, LJ | 1 |
Blake, AD; Bot, G; Li, S; Reisine, T | 1 |
Liu, H; Mazarati, A; Wasterlain, C | 1 |
Brown, DR; Poonyachoti, S; Portoghese, PS | 1 |
Gross, GJ; Krylatov, AV; Lishmanov, IuB; Maslov, LN; Naryzhnaia, NV; Stephano, JB | 1 |
Cools, AR; Hirose, N; Koshikawa, N; Murakawa, K; Nagase, H; Oi, Y; Suzuki, T; Takada, K | 1 |
39 other study(ies) available for naltrexone and enkephalin, ser(2), leu(5), thr(6)-
Article | Year |
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Pharmacological characterization of the cloned kappa-, delta-, and mu-opioid receptors.
Topics: Analgesics; Animals; Binding Sites; Cell Line; CHO Cells; Cloning, Molecular; Cricetinae; Ligands; PC12 Cells; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Software | 1994 |
Standard binding and functional assays related to medications development division testing for potential cocaine and opiate narcotic treatment medications.
Topics: Animals; Aorta, Thoracic; Cocaine; Cyclic AMP; Electric Stimulation; Guinea Pigs; Humans; Ileum; In Vitro Techniques; Male; Mice; Muscle, Smooth; Opioid-Related Disorders; Rats; Receptors, Dopamine; Receptors, Opioid; Receptors, Serotonin; Substance-Related Disorders | 1998 |
delta-Opioid receptor binding in mouse brain: evidence for heterogeneous binding sites.
Topics: Animals; Binding, Competitive; Brain Chemistry; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalins; Male; Membranes; Mice; Naltrexone; Narcotic Antagonists; Receptors, Opioid, delta | 1992 |
Effects of the delta-opioid receptor antagonist naltrindole on antinociceptive responses to selective delta-agonists in post-weanling rats.
Topics: Analgesics; Animals; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Indoles; Male; Morphinans; Naloxone; Naltrexone; Narcotic Antagonists; Oligopeptides; Pain Measurement; Rats; Rats, Wistar; Receptors, Opioid, delta | 1992 |
Differential antagonism of opioid delta antinociception by [D-Ala2,Leu5,Cys6]enkephalin and naltrindole 5'-isothiocyanate: evidence for delta receptor subtypes.
Topics: Analgesics; Animals; Dose-Response Relationship, Drug; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalins; Injections, Intraventricular; Isothiocyanates; Male; Mice; Mice, Inbred ICR; Morphinans; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid; Receptors, Opioid, delta; Thiocyanates | 1991 |
Effects of dexfenfluramine and opioid peptides, alone or in combination, on food intake and brain serotonin turnover in rats.
Topics: Animals; beta-Endorphin; Brain; Drug Interactions; Dynorphins; Eating; Endorphins; Enkephalin, Leucine; Female; Fenfluramine; Naltrexone; Rats; Rats, Inbred Strains; Serotonin | 1991 |
Nor-binaltorphimine decreases deprivation and opioid-induced feeding.
Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics; Animals; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalins; Feeding Behavior; Food Deprivation; Male; Naltrexone; Oligopeptides; Pyrrolidines; Rats; Rats, Inbred Strains; Receptors, Opioid; Reference Values | 1990 |
Relationship between opioid-receptor occupancy and stimulation of low-Km GTPase in brain membranes.
Topics: Animals; Brain; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; GTP Phosphohydrolases; Guanosine Triphosphate; Magnesium; Membranes; Naltrexone; Oligopeptides; Phosphoric Monoester Hydrolases; Rats; Rats, Inbred Strains; Receptors, Opioid; Sodium | 1989 |
New approaches to the evaluation of opioid agonists and antagonists upon the isolated, electrically stimulated mouse vas deferens preparation.
Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Animals; Benzodiazepines; Benzomorphans; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalins; Male; Mice; Mice, Inbred ICR; Naltrexone; Narcotic Antagonists; Oligopeptides; Pyrrolidines; Receptors, Opioid; Vas Deferens | 1987 |
Effect of ethanol on the binding of conformationally rigid and labile ligands of opioid receptors to rat brain membranes.
Topics: Animals; Brain; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalins; Ethanol; In Vitro Techniques; Male; Naltrexone; Oligopeptides; Protein Conformation; Rats; Rats, Inbred Strains; Receptors, Opioid | 1988 |
Nor-binaltorphimine, a highly selective kappa-opioid antagonist in analgesic and receptor binding assays.
Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesia; Animals; Cyclazocine; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalins; Ethylketocyclazocine; Guinea Pigs; Male; Mice; Morphine; Naltrexone; Oligopeptides; Pyrrolidines; Receptors, Opioid; Receptors, Opioid, kappa | 1988 |
Effects of beta-chlornaltrexamine on food intake, body weight and opioid-induced feeding.
Topics: Animals; Body Weight; Dynorphins; Eating; Endorphins; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalins; Male; Naltrexone; Oligopeptides; Rats; Rats, Inbred Strains; Receptors, Opioid | 1987 |
Receptors for opioid peptides in the guinea-pig ileum.
Topics: Alkylation; Animals; Dose-Response Relationship, Drug; Electric Stimulation; Endorphins; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalin, Methionine; Enkephalins; Guinea Pigs; Ileum; Male; Mice; Naloxone; Naltrexone; Oligopeptides; Receptors, Opioid; Receptors, Opioid, delta; Receptors, Opioid, mu; Vas Deferens | 1985 |
Selective proliferation of brain kappa opiate receptors in spontaneously hypertensive rats.
Topics: Animals; Binding, Competitive; Brain; Cyclazocine; Enkephalin, Leucine; Ethylketocyclazocine; Kinetics; Male; Naltrexone; Oligopeptides; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY; Receptors, Opioid; Receptors, Opioid, kappa | 1986 |
Unidirectional interaction between thyrotropin releasing hormone and opiates at the level of their brain receptors.
Topics: Animals; Brain; Cyclazocine; Enkephalin, Leucine; Ethylketocyclazocine; Male; Naltrexone; Oligopeptides; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Opioid; Thyrotropin-Releasing Hormone | 1987 |
Effect of beta-FNA on opiate delta receptor binding.
Topics: Animals; Brain; Cell Membrane; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Naloxone; Naltrexone; Oligopeptides; Protein Conformation; Rats; Receptors, Opioid | 1984 |
Species and age-dependent differences of functional coupling between opioid delta-receptor and G-proteins and possible involvement of protein kinase C in striatal membranes.
Topics: Aging; Analgesics; Animals; Carbazoles; Cell Membrane; Corpus Striatum; Cyclic AMP-Dependent Protein Kinases; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; GTP Phosphohydrolases; GTP-Binding Proteins; Guinea Pigs; Indoles; Kinetics; Male; Naltrexone; Naphthalenes; Polycyclic Compounds; Protein Kinase C; Pyrroles; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Species Specificity | 1994 |
The modulation of placental lactogen release by opioids: a role for extracellular calcium.
Topics: 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester; 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Adenylate Cyclase Toxin; Analgesics; Calcium; Cells, Cultured; Dopamine; Dose-Response Relationship, Drug; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalins; Ethylketocyclazocine; Gene Expression Regulation; Humans; Ionomycin; Naloxone; Naltrexone; Narcotics; Pertussis Toxin; Placental Lactogen; Pyrrolidines; Time Factors; Trophoblasts; Virulence Factors, Bordetella | 1993 |
Evidence for functional delta-opiate receptors in the rat intestine.
Topics: Acetylcholine; Animals; Cricetinae; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Female; In Vitro Techniques; Jejunum; Male; Mice; Muscle Contraction; Muscle, Smooth; Naltrexone; Rats; Rats, Wistar; Receptors, Opioid, delta | 1994 |
Differential regulation of adenylyl cyclase activity by mu and delta opioids in rat caudate putamen and nucleus accumbens.
Topics: Adenylyl Cyclases; Amino Acid Sequence; Animals; Benzeneacetamides; Caudate Nucleus; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Male; Molecular Sequence Data; Naloxone; Naltrexone; Nucleus Accumbens; Oligopeptides; Putamen; Pyrrolidines; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Receptors, Opioid, mu; Signal Transduction; Somatostatin | 1993 |
The effect of naltrindole on spinal and supraspinal delta opioid receptors and analgesia.
Topics: Analgesia; Analgesics; Animals; Brain; Dose-Response Relationship, Drug; Drug Interactions; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Injections, Intraventricular; Injections, Spinal; Kinetics; Male; Mice; Naltrexone; Pain Measurement; Receptors, Opioid, delta; Spinal Cord | 1994 |
Evidence that weaning stimulates the developmental expression of a delta-opioid receptor subtype in the rat.
Topics: Analgesics; Animals; Dose-Response Relationship, Drug; Enkephalin, Leucine; Female; Male; Naltrexone; Narcotic Antagonists; Oligopeptides; Rats; Rats, Wistar; Receptors, Opioid, delta; Weaning | 1994 |
Agonists and antagonists bind to different domains of the cloned kappa opioid receptor.
Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics; Animals; Base Sequence; Benzeneacetamides; Binding Sites; Cell Line; Chlorocebus aethiops; Cloning, Molecular; Colforsin; Cyclic AMP; Enkephalin, Leucine; Kinetics; Mice; Molecular Sequence Data; Mutagenesis, Site-Directed; Naloxone; Naltrexone; Oligodeoxyribonucleotides; Protein Structure, Secondary; Pyrrolidines; Radioligand Assay; Receptors, Opioid, delta; Receptors, Opioid, kappa; Recombinant Fusion Proteins; Recombinant Proteins; Transfection | 1994 |
Delta opioid receptor mediates phospholipase C activation via Gi in Xenopus oocytes.
Topics: Analgesics; Animals; Benzeneacetamides; Electric Conductivity; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Enzyme Activation; Female; Gene Expression; GTP-Binding Proteins; Membrane Potentials; Mice; Naltrexone; Narcotic Antagonists; Oocytes; Pyrrolidines; Receptors, Opioid, delta; Type C Phospholipases; Xenopus laevis | 1993 |
Convulsive effects of systemic administration of the delta opioid agonist BW373U86 in mice.
Topics: Amino Acid Sequence; Animals; Anticonvulsants; Benzamides; Dose-Response Relationship, Drug; Drug Tolerance; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Kindling, Neurologic; Male; Mice; Mice, Inbred Strains; Midazolam; Molecular Sequence Data; Naltrexone; Pentylenetetrazole; Piperazines; Receptors, Opioid, delta; Receptors, Opioid, mu; Seizures | 1993 |
Differential antagonism by naltrindole-5'-isothiocyanate on [3H]DSLET and [3H]DPDPE binding to striatal slices of mice.
Topics: Analgesics; Animals; Corpus Striatum; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; In Vitro Techniques; Isothiocyanates; Kinetics; Male; Mice; Naltrexone; Radioligand Assay; Receptors, Opioid, delta; Tritium | 1993 |
Evidence for delta opioid receptor subtypes regulating adenylyl cyclase activity in rat brain.
Topics: Adenylyl Cyclase Inhibitors; Adenylyl Cyclases; Analgesics; Animals; Benzylidene Compounds; Caudate Nucleus; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Male; Naltrexone; Narcotic Antagonists; Nucleus Accumbens; Oligopeptides; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta | 1994 |
Electrophysiological actions of delta opioids in CA1 of the rat hippocampal slice are mediated by one delta receptor subtype.
Topics: Analgesics; Animals; Electric Stimulation; Electrophysiology; Endorphins; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Evoked Potentials; Hippocampus; In Vitro Techniques; Indoles; Ligands; Male; Morphinans; Morphine; Naltrexone; Narcotic Antagonists; Pyramidal Tracts; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Receptors, Opioid, mu | 1993 |
Involvement of delta 2 opioid receptors in the development of morphine dependence in mice.
Topics: Animals; Enkephalin, Leucine; Isothiocyanates; Male; Mice; Morphinans; Morphine Dependence; Naloxone; Naltrexone; Receptors, Opioid, delta; Substance Withdrawal Syndrome; Thiocyanates | 1993 |
Involvement of delta 2 opioid receptors in acute dependence on morphine in mice.
Topics: Animals; Drug Interactions; Enkephalin, Leucine; Isothiocyanates; Male; Mice; Morphine; Naltrexone; Receptors, Opioid, delta; Substance-Related Disorders; Thiocyanates | 1993 |
Determination of delta-opioid in NG108-15 cells.
Topics: Animals; Benzylidene Compounds; Cyclic AMP; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Glioma; Mice; Naltrexone; Neuroblastoma; Rats; Receptors, Opioid, delta; Tumor Cells, Cultured | 1997 |
Acute and chronic effects of opioids on delta and mu receptor activation of G proteins in NG108-15 and SK-N-SH cell membranes.
Topics: Analgesics; Animals; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalins; Glioma; GTP-Binding Proteins; Guanosine 5'-O-(3-Thiotriphosphate); Humans; Hybrid Cells; Membrane Proteins; Mice; Naloxone; Naltrexone; Narcotic Antagonists; Narcotics; Neuroblastoma; Protein Binding; Rats; Receptors, Opioid, delta; Receptors, Opioid, mu; Signal Transduction; Sulfur Radioisotopes; Time Factors | 1997 |
Opioids in the nucleus of the solitary tract are involved in feeding in the rat.
Topics: Analgesics; Animals; Dose-Response Relationship, Drug; Dynorphins; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalins; Feeding Behavior; Male; Microinjections; Naltrexone; Rats; Rats, Sprague-Dawley; Solitary Nucleus | 1997 |
Anatomical distribution of mu, delta, and kappa opioid- and nociceptin/orphanin FQ-stimulated [35S]guanylyl-5'-O-(gamma-thio)-triphosphate binding in guinea pig brain.
Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics; Analgesics, Non-Narcotic; Animals; Autoradiography; Brain Chemistry; Cerebellum; Diencephalon; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalins; Guanosine 5'-O-(3-Thiotriphosphate); Guinea Pigs; Male; Medulla Oblongata; Mesencephalon; Naloxone; Naltrexone; Narcotic Antagonists; Nociceptin; Opioid Peptides; Pons; Receptors, Opioid; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Sulfur Radioisotopes; Telencephalon | 1997 |
Mutagenesis of the mouse delta opioid receptor converts (-)-buprenorphine from a partial agonist to an antagonist.
Topics: Analgesics, Opioid; Animals; Buprenorphine; Cells, Cultured; Cyclic AMP; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Mice; Mutagenesis; Naltrexone; Narcotic Antagonists; Receptors, Opioid, delta | 1998 |
Opioid peptide pharmacology and immunocytochemistry in an animal model of self-sustaining status epilepticus.
Topics: Action Potentials; Analgesics; Analgesics, Opioid; Animals; Disease Models, Animal; Dynorphins; Electric Stimulation; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalins; Immunohistochemistry; Male; Naloxone; Naltrexone; Narcotic Antagonists; Neurons; Opioid Peptides; Peptide Fragments; Perforant Pathway; Rats; Rats, Wistar; Receptors, Opioid, delta; Receptors, Opioid, kappa; Status Epilepticus | 1999 |
Characterization of opioid receptors modulating neurogenic contractions of circular muscle from porcine ileum and evidence that delta- and kappa-opioid receptors are coexpressed in myenteric neurons.
Topics: Amino Acid Sequence; Animals; Electric Stimulation; Enkephalin, Leucine; Goats; Ileum; In Vitro Techniques; Molecular Sequence Data; Muscle Contraction; Muscle, Smooth; Myenteric Plexus; Naltrexone; Rabbits; Receptors, Opioid, delta; Receptors, Opioid, kappa; Swine | 2001 |
[Role of delta opioid receptors and their ligands in the development of adaptive heart protection against arrhythmogenesis].
Topics: Adaptation, Physiological; Animals; Arrhythmias, Cardiac; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Ligands; Male; Myocardial Reperfusion Injury; Naloxone; Naltrexone; Narcotic Antagonists; Oligopeptides; Rats; Rats, Wistar; Receptors, Opioid, delta; Tetrahydroisoquinolines; Thiorphan | 2001 |
Interactions among mu- and delta-opioid receptors, especially putative delta1- and delta2-opioid receptors, promote dopamine release in the nucleus accumbens.
Topics: Analgesics, Opioid; Anesthetics, Local; Animals; Benzylidene Compounds; Dopamine; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Extracellular Space; Male; Microdialysis; Naloxone; Naltrexone; Narcotic Antagonists; Nucleus Accumbens; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Receptors, Opioid, mu; Somatostatin; Tetrodotoxin | 2005 |