deltorphin ii, ala(2)- and naltrexone

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

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

Topics: Affinity Labels; Analgesics; Animals; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Enkephalins; Isothiocyanates; Male; Mice; Mice, Inbred ICR; Morphinans; Naltrexone; Narcotic Antagonists; Oligopeptides; Pain Measurement; Receptors, Opioid, delta; Spinal Cord; Thiocyanates

Topics: Animals; Body Temperature; Indoles; Injections, Intraventricular; Morphinans; Naloxone; Naltrexone; Narcotic Antagonists; Oligopeptides; Rats; Rats, Inbred Strains; Receptors, Opioid; Receptors, Opioid, delta

Topics: Animals; Brain; Caudate Nucleus; Cerebral Ventricles; Dopamine; Endorphins; Functional Laterality; Indoles; Infusions, Parenteral; Injections, Intraventricular; Male; Morphinans; Motor Activity; Naloxone; Naltrexone; Nucleus Accumbens; Oligopeptides; Rats; Rats, Inbred Strains; Receptors, Opioid; Stereotyped Behavior

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

Topics: Analgesics; Animals; Behavior, Animal; Indoles; Injections, Intraventricular; Male; Morphinans; Motor Activity; Naloxone; Naltrexone; Oligopeptides; Pain Measurement; Rats; Rats, Inbred Strains; Receptors, Opioid; Receptors, Opioid, delta; Social Behavior; Stereotyped Behavior

Topics: Analgesics; Animals; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine; Enkephalins; Injections, Intraventricular; Mice; Mice, Inbred ICR; Morphine; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid; Receptors, Opioid, delta

Topics: Analgesics; Animals; Benzylidene Compounds; Dose-Response Relationship, Drug; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Injections, Spinal; Male; Naltrexone; Narcotic Antagonists; Oligopeptides; Pain Threshold; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Spinal Cord

Topics: Analgesics; Animals; Drug Interactions; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Injections, Subcutaneous; Male; Mice; Mice, Inbred Strains; Morphine; Naltrexone; Nociceptors; Oligopeptides; Quinolines; Receptors, Opioid, delta

Topics: Animals; Animals, Newborn; Benzylidene Compounds; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Female; Hypoxia; Male; Naltrexone; Narcotic Antagonists; Oligopeptides; Pia Mater; Receptors, Opioid, delta; Receptors, Opioid, mu; Swine; Vasodilation

Topics: Animals; Dose-Response Relationship, Drug; Gastric Acid; Gastric Emptying; Injections, Intraventricular; Injections, Subcutaneous; Male; Naloxone; Naltrexone; Oligopeptides; Rats; Rats, Wistar; Receptors, Opioid, delta; Receptors, Opioid, mu; Stomach

Topics: Analgesics; Animals; Benzylidene Compounds; Conditioning, Operant; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Male; Mice; Mice, Inbred Strains; Morphine; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid, delta; Receptors, Opioid, mu

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

Topics: Analysis of Variance; Animals; Behavior, Animal; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Male; Mice; Mice, Inbred Strains; Naltrexone; Oligopeptides

Topics: Animals; Carrageenan; Dose-Response Relationship, Drug; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Hyperalgesia; Male; Naltrexone; Oligopeptides; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Spinal Cord

Topics: Amino Acid Sequence; Analgesics; Animals; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Leucine-2-Alanine; Enkephalins; Injections, Intraventricular; Isothiocyanates; Male; Mice; Mice, Inbred ICR; Molecular Sequence Data; Naltrexone; Oligopeptides; Pain Measurement; Reaction Time; Receptors, Opioid, delta

Topics: Amino Acid Sequence; Animals; Base Sequence; Cell Line; Cloning, Molecular; Consensus Sequence; Enkephalins; Humans; Mice; Molecular Sequence Data; Naltrexone; Narcotic Antagonists; Oligopeptides; Open Reading Frames; Receptors, Opioid, delta; Sequence Alignment; Transfection

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

Topics: Animals; Cocaine; Dopamine; Ethanol; Indoles; Male; Morphinans; Naltrexone; Narcotic Antagonists; Nucleus Accumbens; Oligopeptides; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta

Topics: Animals; Dose-Response Relationship, Drug; Electromyography; Female; Fetus; Indoles; Injections, Intraventricular; Morphinans; Naloxone; Naltrexone; Narcotic Antagonists; Oligopeptides; Pregnancy; Receptors, Opioid, delta; Respiration; Sheep

Topics: Analgesics; Animals; Benzylidene Compounds; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Male; Mice; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid, delta; Spinal Cord

Topics: Animals; Antitussive Agents; Cough; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Male; Mice; Mice, Inbred ICR; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid, delta; Receptors, Opioid, mu

Topics: Animals; Blotting, Northern; Evaluation Studies as Topic; Male; Mice; Naltrexone; Oligopeptides; Pain; Pain Measurement; Receptors, Opioid, delta; RNA, Messenger; Time Factors

Topics: Amino Acid Sequence; Analysis of Variance; Animals; Base Sequence; Benzylidene Compounds; Cerebral Ventricles; Injections, Intraventricular; Male; Mice; Mice, Inbred ICR; Molecular Sequence Data; Motor Activity; Naltrexone; Narcotic Antagonists; Oligonucleotides, Antisense; Oligopeptides; Receptors, Opioid, delta; Somatostatin; Thionucleotides

Topics: Animals; Brain; Dose-Response Relationship, Drug; Enkephalins; Female; Membranes; Mice; Mice, Inbred Strains; Naltrexone; Narcotic Antagonists; Oligopeptides; Pain Measurement; Receptors, Opioid; Receptors, Opioid, delta

Topics: Animals; Benzylidene Compounds; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Evoked Potentials; Male; Naloxone; Naltrexone; Narcotic Antagonists; Nerve Fibers; Neurons; Nociceptors; Oligopeptides; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Receptors, Opioid, mu; Trigeminal Caudal Nucleus

Topics: Animals; Benzylidene Compounds; beta-Endorphin; Diaphragm; Dipeptides; Electric Stimulation; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Female; Mice; Mice, Inbred C57BL; Muscle Contraction; Naloxone; Naltrexone; Narcotic Antagonists; Narcotics; Neostigmine; Oligopeptides; Peptide Fragments

Topics: Analgesics; Animals; Brain Chemistry; Cell Membrane; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Guinea Pigs; Ileum; Injections, Intraventricular; Injections, Subcutaneous; Male; Mice; Morphine Derivatives; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid; Tissue Distribution; Vas Deferens

Topics: Animals; Enkephalin, Methionine; Injections, Spinal; Male; Mice; Mice, Inbred ICR; Naltrexone; Narcotic Antagonists; Oligonucleotides, Antisense; Oligopeptides; Pain Measurement; Protease Inhibitors; Receptors, Opioid, delta; RNA, Messenger; Spinal Cord; Thiorphan

Topics: Analgesics, Opioid; Animals; Benzylidene Compounds; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Male; Medulla Oblongata; Microinjections; Naltrexone; Oligopeptides; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta

Topics: Animals; Brain; Cell Line; Cell Membrane; Enkephalins; Iodine Radioisotopes; Morphine; Naltrexone; Narcotic Antagonists; Oligopeptides; Radioligand Assay; Rats; Receptors, Opioid

Topics: Analgesics; Animals; Dose-Response Relationship, Drug; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Injections, Intraventricular; Male; Mice; Naltrexone; Narcotic Antagonists; Oligopeptides; Reaction Time; Receptors, Opioid, delta; Spinal Cord; Up-Regulation

Topics: Animals; Benzeneacetamides; Benzofurans; Binding, Competitive; Brain; Cell Membrane; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Naloxone; Naltrexone; Oligopeptides; Oxycodone; Oxymorphone; Pyrrolidines; Radioligand Assay; Rats; Rats, Wistar; Receptors, Opioid, delta; Receptors, Opioid, mu; Tritium

Topics: Animals; Brain; Guanylyl Imidodiphosphate; In Vitro Techniques; Ligands; Naltrexone; Oligopeptides; Rats; Rats, Wistar; Receptors, Opioid, delta; Sodium; Weaning

Topics: Animals; Brain; Iodine Radioisotopes; Kinetics; Ligands; Male; Naltrexone; Oligopeptides; Radioligand Assay; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta

Topics: Animals; Dose-Response Relationship, Drug; Extracellular Space; Male; Medulla Oblongata; Naltrexone; Narcotic Antagonists; Neurons; Nociceptors; Oligopeptides; Pain Measurement; Rats; Rats, Sprague-Dawley; Reaction Time; Receptors, Opioid, delta

Topics: Animals; Benzamides; Dose-Response Relationship, Drug; Drug Tolerance; Male; Motor Activity; Naltrexone; Oligopeptides; Piperazines; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta

Topics: Analgesics, Opioid; Animals; Behavior, Animal; Benzylidene Compounds; Dose-Response Relationship, Drug; Enkephalin, D-Penicillamine (2,5)-; Isothiocyanates; Male; Naltrexone; Narcotic Antagonists; Neuralgia; Oligopeptides; Pain Measurement; Protein Isoforms; Rats; Rats, Wistar; Receptors, Opioid, delta; Sciatic Nerve; Time Factors

Topics: Analgesics, Opioid; Animals; Dose-Response Relationship, Drug; Electric Stimulation; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Female; Genotype; In Vitro Techniques; Male; Mice; Mice, Inbred C57BL; Mice, Inbred Strains; Mice, Mutant Strains; Morphine; Muscle Contraction; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid, delta; Receptors, Opioid, mu; Vas Deferens

Topics: Analgesics, Opioid; Animals; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Female; Male; Medulla Oblongata; Mice; Mice, Knockout; Naltrexone; Narcotic Antagonists; Neurons; Oligopeptides; Organ Culture Techniques; Receptors, Opioid, delta; Receptors, Opioid, mu; Respiratory Center; Respiratory Physiological Phenomena

Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics, Opioid; Animals; Antibody Formation; Depression, Chemical; Dose-Response Relationship, Drug; Female; Immunosuppressive Agents; Infusion Pumps; Mice; Mice, Inbred C3H; Morphine; Naltrexone; Neuroimmunomodulation; Oligopeptides; Osmosis; Peptide Fragments; Peptides; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Somatostatin; Spleen

Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Animals; Drug Implants; Female; Immunosuppressive Agents; Infusion Pumps, Implantable; Mice; Mice, Inbred C3H; Morphine; Mouth Diseases; Naltrexone; Narcotic Antagonists; Narcotics; Oligopeptides; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Salmonella Infections, Animal; Salmonella typhimurium

Topics: Animals; Body Temperature; Body Temperature Regulation; Dose-Response Relationship, Drug; Injections, Intraventricular; Male; Naloxone; Naltrexone; Narcotic Antagonists; Oligopeptides; Rats; Rats, Sprague-Dawley; Receptor Cross-Talk; Receptors, Opioid, delta; Receptors, Opioid, mu

Topics: Analgesics; Analgesics, Opioid; Animals; Benzylidene Compounds; Bradycardia; Dogs; Enkephalin, D-Penicillamine (2,5)-; Enkephalin, Methionine; Naltrexone; Narcotic Antagonists; Oligopeptides; Opioid Peptides; Quinolines; Receptors, Opioid, delta; Sinoatrial Node; Vagus Nerve

Topics: Animals; Benzylidene Compounds; Dynorphins; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Immune Sera; Mice; Naltrexone; Oligopeptides; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Somatostatin; Spinal Cord

Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics; Analgesics, Non-Narcotic; Analgesics, Opioid; Animals; beta-Endorphin; Buprenorphine; Disease Models, Animal; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Injections, Intraventricular; Male; Mice; Mice, Inbred ICR; Naltrexone; Narcotic Antagonists; Oligopeptides; Pain; Receptors, Opioid; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Time Factors

Topics: Amphibian Proteins; Animals; Anions; Benzamides; Benzylidene Compounds; Biological Transport, Active; Carrier Proteins; Diprenorphine; Dose-Response Relationship, Drug; Electric Stimulation; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Female; Gastrointestinal Motility; Ileum; Intestinal Mucosa; Male; Naltrexone; Neurons, Afferent; Oligopeptides; Piperazines; Quinolines; Receptors, Opioid, delta; Receptors, Opioid, mu; Swine; Tritium

Topics: Analysis of Variance; Anesthetics, Local; Animals; Benzylidene Compounds; Dopamine; Extracellular Space; Male; Microdialysis; Naloxone; Naltrexone; Narcotic Antagonists; Nucleus Accumbens; Oligopeptides; Rats; Rats, Sprague-Dawley; Receptors, Opioid; Somatostatin; Tetrodotoxin; Time Factors

Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics, Opioid; Animals; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Male; Mice; MSH Release-Inhibiting Hormone; Naloxone; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid, mu

Topics: Animals; Cell Line; Ganglia, Spinal; Gene Expression Regulation; Gene Knockdown Techniques; Injections, Spinal; Lumbar Vertebrae; Naltrexone; Neurons; Nociceptors; Oligopeptides; Pain Measurement; Peripheral Nervous System; Posterior Horn Cells; Quinolinium Compounds; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Receptors, Opioid, mu; RNA, Messenger; RNA, Small Interfering; Spinal Cord

Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Animals; Cell Line, Tumor; Cell Survival; Dactinomycin; Dose-Response Relationship, Drug; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Gene Expression; Interleukin-6; Lipopolysaccharides; Mice; Monocytes; Naltrexone; Narcotic Antagonists; Oligopeptides; Receptors, Opioid, kappa; RNA Stability; Time Factors; Transcription, Genetic; Tumor Necrosis Factor-alpha

Topics: Analgesics; Analgesics, Opioid; Animals; Benzylidene Compounds; Bradycardia; Dogs; Dose-Response Relationship, Drug; Enkephalin, Methionine; Female; Male; Microdialysis; Naltrexone; Narcotic Antagonists; Oligopeptides; Quinolines; Receptors, Opioid, delta; Sinoatrial Node; Stimulation, Chemical; Vagus Nerve

Topics: Alkylation; Animals; Autoradiography; Binding, Competitive; Dose-Response Relationship, Drug; Drug Interactions; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Isothiocyanates; Male; Naltrexone; Narcotic Antagonists; Narcotics; Nucleus Accumbens; Oligopeptides; Phosphatidylethanolamines; Radioligand Assay; Rats; Rats, Inbred F344; Receptors, Opioid, delta; Transferases

Topics: Animals; beta-Endorphin; Dose-Response Relationship, Drug; Dynorphins; Enkephalins; Freund's Adjuvant; Hyperalgesia; Inflammation; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Motor Activity; Naltrexone; Narcotic Antagonists; Oligopeptides; Pain Measurement; Protein Precursors; Reaction Time; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Somatostatin

Topics: Analgesics, Opioid; Animals; Calcium Channel Blockers; Calcium Channels, T-Type; Dose-Response Relationship, Radiation; Drug Interactions; Electric Stimulation; Enkephalin, D-Penicillamine (2,5)-; Ganglia, Spinal; Glycoproteins; Lectins; Male; Membrane Potentials; Naltrexone; Narcotic Antagonists; Neural Inhibition; Neurons, Afferent; Oligopeptides; omega-Conotoxin GVIA; Patch-Clamp Techniques; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Versicans

Topics: Analgesics, Opioid; Analysis of Variance; Animals; Behavior, Animal; Diterpenes; Dose-Response Relationship, Drug; Enkephalin, D-Penicillamine (2,5)-; Gene Expression Regulation; Hyperalgesia; Male; Naltrexone; Oligopeptides; Pain Threshold; Protein Binding; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Sensory Receptor Cells; Spinal Cord; Tritium; TRPV Cation Channels

Topics: Animals; Arachidonic Acids; beta-Endorphin; Clonidine; Endocannabinoids; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Ethanol; Excitatory Amino Acids; Gastric Mucosa; Injections, Intraventricular; Male; Naloxone; Naltrexone; Narcotic Antagonists; Neurotransmitter Agents; Nociceptin; Oligopeptides; Opioid Peptides; Oxazoles; Polyunsaturated Alkamides; Rats; Rats, Wistar; Receptors, Opioid; Rilmenidine; Stomach Ulcer

Topics: Amides; Animals; Dose-Response Relationship, Drug; Enkephalin, D-Penicillamine (2,5)-; Guanidines; Ligands; Male; Mice; Mice, Knockout; Naltrexone; Oligopeptides; Pain; Protein Multimerization; Receptors, Opioid, delta; Receptors, Opioid, kappa

Topics: Animals; Benzophenanthridines; Benzylidene Compounds; Decanoic Acids; Glyburide; Hydroxy Acids; Ischemic Preconditioning, Myocardial; Male; Myocardial Reperfusion Injury; Naltrexone; Oligopeptides; Potassium Channel Blockers; Potassium Channels; Protein Kinase C; Rats; Rats, Wistar; Receptors, Opioid, delta

Topics: Animals; Appetite; Blood Pressure; Drinking Behavior; Injections, Intraventricular; Male; Motor Activity; Naltrexone; Narcotic Antagonists; Oligopeptides; Rats, Wistar; Receptors, Opioid, delta; Sodium; Sodium Chloride, Dietary

Topics: Analgesics, Opioid; Animals; Benzamides; Cells, Cultured; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Ganglia, Spinal; Male; Mice, Knockout; Morphine; Naltrexone; Neurons; Oligopeptides; Piperazines; Protein Transport; Rats, Sprague-Dawley; Receptors, Opioid, delta; Receptors, Opioid, mu

Topics: Anesthetics, Intravenous; Animals; Disease Models, Animal; Hot Temperature; Hyperalgesia; Lumbar Vertebrae; Male; Naltrexone; Narcotic Antagonists; Oligopeptides; Pain Threshold; Pain, Postoperative; Piperidines; Posterior Horn Cells; Random Allocation; Rats, Sprague-Dawley; Receptors, N-Methyl-D-Aspartate; Receptors, Opioid, delta; Remifentanil; Spinal Cord; Tissue Culture Techniques; Touch

Topics: Action Potentials; Analysis of Variance; Animals; Dose-Response Relationship, Drug; Electric Stimulation; Freund's Adjuvant; Inflammation; Male; Naltrexone; Narcotic Antagonists; Nerve Fibers; Neurons, Afferent; Oligopeptides; Physical Stimulation; Rats; Rats, Sprague-Dawley; Receptors, Opioid, delta; Skin