enkephalin, leucine and Allodynia

Topics: Animals; Enkephalins; Hyperalgesia; Isosorbide Dinitrate; Male; Migraine Disorders; Neprilysin; Rats

Topics: Aged; Analgesics, Opioid; Animals; Capsaicin; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Humans; Hyperalgesia; Nociceptors; Pain; Rats; Receptors, Opioid, delta; Receptors, Opioid, mu; Sensory Receptor Cells

Topics: Analgesics, Opioid; Animals; Antibodies, Neutralizing; Antineoplastic Agents; Cisplatin; Enkephalin, Methionine; Enkephalins; Female; Histone Deacetylase 6; Histone Deacetylase Inhibitors; Hyperalgesia; Ligands; Male; Mice; Mice, Inbred C57BL; Narcotic Antagonists; Neuralgia; Niacinamide; Receptors, Opioid, delta

Topics: Analgesics; Animals; Enkephalin, Methionine; Enkephalins; Ganglia, Spinal; Hyperalgesia; Mice; NAV1.7 Voltage-Gated Sodium Channel; Pain; Rats

Topics: Animals; Cell Survival; Constriction, Pathologic; Endorphins; Enkephalins; Environment; Hyperalgesia; Male; Nerve Fibers; Neuralgia; Peripheral Nerve Injuries; Rats; Rats, Wistar; Receptors, Glucocorticoid; Sciatic Nerve; Spinal Cord; Weight-Bearing

Topics: Acenaphthenes; Amphibian Proteins; Animals; Arthritis, Experimental; Corticotropin-Releasing Hormone; Enkephalins; Hyperalgesia; Interneurons; Male; Naloxone; Nociception; Pain; Peptide Hormones; Posterior Horn Cells; Rats; Rats, Wistar; Receptors, Corticotropin-Releasing Hormone; RNA, Messenger; Spinal Cord; Urocortins

Topics: Age Factors; Analgesics, Opioid; Analysis of Variance; Animals; Animals, Newborn; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Gene Expression Regulation, Developmental; Hyperalgesia; Pain Threshold; Periaqueductal Gray; Pro-Opiomelanocortin; Rats; Rats, Sprague-Dawley; Receptors, Opioid, mu; Somatostatin; Spinal Cord

Topics: Analysis of Variance; Animals; Capsaicin; Disease Models, Animal; Enkephalins; Formaldehyde; Freund's Adjuvant; Hyperalgesia; Male; Neurons; Pain; Pain Threshold; Polymers; Protein Precursors; Proto-Oncogene Proteins c-fos; Rats; Rats, Wistar; RNA, Messenger; Spinal Cord; Time Factors

Topics: Animals; Behavior, Animal; beta-Endorphin; Central Nervous System Sensitization; Cytokines; Disease Models, Animal; Dynorphins; Enkephalins; Hyperalgesia; Inflammation; Interleukin-10; Interleukin-13; Interleukin-17; Interleukin-1beta; Interleukin-2; Interleukin-6; Macrophages; Mice; Mice, Inbred C57BL; Mice, Knockout; Neuralgia; Neutrophils; Nociception; Peripheral Nerve Injuries; Peroxidase; Sciatic Nerve; T-Lymphocytes; Tumor Necrosis Factor-alpha

Topics: Adrenomedullin; Animals; Calcitonin Gene-Related Peptide; Drug Tolerance; Enkephalins; Ganglia, Spinal; Hyperalgesia; Male; Morphine; Narcotics; Neurons; Neurotransmitter Agents; Nitric Oxide Synthase Type I; Peptide Fragments; Rats, Sprague-Dawley; Receptors, Adrenomedullin; RNA, Messenger; Spinal Cord; Tissue Culture Techniques

Topics: Animals; Disease Models, Animal; Enkephalins; Female; Herpesviridae; Herpesviridae Infections; Hyperalgesia; Male; Masseter Muscle; Naloxone; Narcotic Antagonists; Nociception; Quaternary Ammonium Compounds; Rats; Rats, Sprague-Dawley; Trigeminal Ganglion; Trigeminal Nerve; Trigeminal Nuclei

Topics: Afferent Pathways; Animals; Defective Viruses; Efferent Pathways; Enkephalins; Forelimb; GABAergic Neurons; gamma-Aminobutyric Acid; Ganglia, Spinal; Hyperalgesia; Interneurons; Nerve Net; Nerve Tissue Proteins; Neural Conduction; Neurons, Afferent; Neurons, Efferent; Nociception; Nociceptors; Posterior Horn Cells; Presynaptic Terminals; Rabies virus; Sensory Receptor Cells; Skin; Spinal Cord Dorsal Horn; Virus Replication

Topics: Animals; Brain-Derived Neurotrophic Factor; Cathepsin L; Enkephalins; Facial Pain; Hyperalgesia; Kv Channel-Interacting Proteins; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Mice, Transgenic; Monoacylglycerol Lipases; Nociception; Physical Stimulation; Protein Precursors; Repressor Proteins; Transcriptome; Trigeminal Nerve

Topics: Acetylation; Amygdala; Animals; Arthralgia; Chronic Pain; Cognition; Corticotropin-Releasing Hormone; Disease Models, Animal; Emotions; Enkephalins; Epigenesis, Genetic; Hippocampus; Histones; Hyperalgesia; Mice, Inbred C57BL; Mice, Knockout; Microglia; Osteoarthritis; Protein Precursors; Receptors, Opioid, kappa; Spinal Cord

Topics: Adjuvants, Immunologic; Animals; Behavior, Animal; DNA; Enkephalins; Freund's Adjuvant; Genetic Therapy; Genetic Vectors; Humans; Hyperalgesia; Inflammation; Injections, Intramuscular; Injections, Spinal; Neuralgia; Pain; Pain Management; Plasmids; Protein Precursors; Sciatic Nerve

Topics: Analgesics, Opioid; Animals; Antibodies; Arthritis, Experimental; CD8 Antigens; CD8-Positive T-Lymphocytes; Collagen; Disease Models, Animal; Enkephalins; Female; Freund's Adjuvant; Functional Laterality; Hyperalgesia; Inflammation; Methionine; Mice; Mice, Inbred BALB C; Pain Measurement; Pain Threshold; Time Factors

Topics: Analgesics; Animals; Bone Marrow Cells; Bone Neoplasms; Cancer Pain; Cell Differentiation; Cells, Cultured; Disease Models, Animal; Enkephalins; Female; Genetic Therapy; Genetic Vectors; Humans; Hyperalgesia; Injections, Spinal; Naloxone; Pain Threshold; Protein Precursors; Rats; Rats, Sprague-Dawley; Stem Cell Transplantation

Topics: Analgesics; Animals; Chronic Disease; Edema; Enkephalins; Freund's Adjuvant; Hyperalgesia; Inflammation; Mice; Mice, Inbred C57BL; Mice, Knockout; Morphine; Neurotransmitter Agents; Nitric Oxide Synthase Type I; Nitric Oxide Synthase Type II; Pain; Receptors, Opioid, delta; Receptors, Opioid, mu; Time Factors

Topics: Animals; Cells, Cultured; Enkephalin, Methionine; Enkephalins; Hot Temperature; Humans; Hyperalgesia; Injections, Spinal; Macrophages; Male; Pain; Pain Management; Pain Measurement; Protein Precursors; Rats; Rats, Wistar; RNA, Messenger; Sciatic Neuropathy; Spinal Cord; Time Factors; Transfection; Transplantation, Autologous

Topics: Animals; Cell Line, Tumor; Enkephalins; Hot Temperature; Hyperalgesia; Male; Mice; Mice, Inbred C3H; Osteosarcoma; Purinergic P2 Receptor Antagonists; Receptors, Purinergic P2; Receptors, Purinergic P2X3

Topics: Activins; Afferent Pathways; Animals; Bone Morphogenetic Protein 7; Cells, Cultured; Disease Models, Animal; Enkephalins; Hyperalgesia; Male; Membrane Proteins; Mice; Mice, Knockout; Narcotic Antagonists; Nociceptors; Pain Measurement; Pain Threshold; Peripheral Nerves; Peripheral Nervous System Diseases; Pro-Opiomelanocortin; Protein Precursors; Receptors, Opioid, delta; Sciatic Neuropathy; Signal Transduction; Spinal Cord; Transforming Growth Factor beta; Up-Regulation

Topics: Animals; Animals, Newborn; Disease Models, Animal; Enkephalins; Gene Expression Regulation; Hindlimb; Hot Temperature; Hyperalgesia; Inflammation; Physical Stimulation; Protein Precursors; Rats; Rats, Sprague-Dawley; Spinal Cord; Up-Regulation

Topics: Amines; Animals; Cerebral Cortex; Cyclohexanecarboxylic Acids; Enkephalins; Excitatory Amino Acid Antagonists; Gabapentin; gamma-Aminobutyric Acid; Hyperalgesia; Male; Mice; Mice, Inbred BALB C; Pain Measurement

Topics: Animals; Constriction, Pathologic; Enkephalin, Leucine; Enkephalins; Gene Transfer Techniques; Genetic Therapy; Genetic Vectors; Herpesvirus 1, Human; Humans; Hyperalgesia; Male; Microinjections; Naloxone; Narcotic Antagonists; Neuralgia; Pain Measurement; Pain Threshold; Periaqueductal Gray; Protein Precursors; Rats; Rats, Sprague-Dawley; Real-Time Polymerase Chain Reaction; Recombination, Genetic

Topics: Analgesics, Opioid; Animals; Behavior, Animal; Dynorphins; Enkephalins; Ganglia, Spinal; Hyperalgesia; Male; Mice; Mitogen-Activated Protein Kinase 1; Mitogen-Activated Protein Kinase 3; Pain, Postoperative; Piperidines; Protein Precursors; Proto-Oncogene Proteins c-fos; Remifentanil; RNA, Messenger

Topics: Animals; Drug Administration Schedule; Drug Tolerance; Enkephalins; Gene Expression; Heme Oxygenase (Decyclizing); Hyperalgesia; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Morphine; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Pain; Protein Precursors; Reaction Time; Receptors, N-Methyl-D-Aspartate; RNA, Messenger; Spinal Cord

Topics: Administration, Cutaneous; Animals; Enkephalins; Gene Expression; Gene Transfer Techniques; Genetic Therapy; Genetic Vectors; Herpesviridae; Hyperalgesia; Immunohistochemistry; Mice; Naltrexone; Narcotic Antagonists; Oligopeptides; Peptide Fragments; Pertussis Toxin; Protein Precursors; Receptors, Opioid, mu; Receptors, sigma; Somatostatin

Topics: Animals; Astrocytes; Disease Models, Animal; Disease Progression; Drug Tolerance; Dynorphins; Enkephalins; G-Protein-Coupled Receptor Kinase 3; Hyperalgesia; Lumbosacral Region; Mice; Mice, Inbred C57BL; Mice, Knockout; Narcotic Antagonists; Narcotics; Neuralgia; Neurons; Protein Precursors; Protein Serine-Threonine Kinases; Receptors, Opioid; Receptors, Opioid, kappa; Sciatic Neuropathy; Spinal Cord

Topics: Animals; Cyclooxygenase 2; Enkephalins; Enzyme Inhibitors; Freund's Adjuvant; Gene Expression; Hindlimb; Hyperalgesia; Inflammation; Injections, Spinal; Interleukin 1 Receptor Antagonist Protein; Interleukin-1; Isoenzymes; Male; NF-kappa B; Pain; Prostaglandin-Endoperoxide Synthases; Protein Precursors; Rats; Rats, Sprague-Dawley; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Sialoglycoproteins; Spinal Cord; Up-Regulation

Topics: Animals; Benzodiazepinones; Disease Models, Animal; Dose-Response Relationship, Drug; Dynorphins; Enkephalins; Gene Expression; Hyperalgesia; Inflammation; Ligation; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Naloxone; Narcotic Antagonists; Pain Measurement; Pain Threshold; Phenylurea Compounds; Pro-Opiomelanocortin; Protein Precursors; Receptor, Cholecystokinin B; Receptors, Cholecystokinin; Receptors, Opioid; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Sciatic Neuropathy; Time Factors

Topics: Analgesia; Analgesics, Opioid; Animals; Behavior, Animal; Capsaicin; Disease Models, Animal; Enkephalins; Ganglia, Spinal; Genetic Therapy; Genetic Vectors; Hyperalgesia; Macaca; Morphine; Nociceptors; Reaction Time; Simplexvirus; Skin

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: Animals; Chronic Disease; Denervation; Disease Models, Animal; Down-Regulation; Dynorphins; Enkephalins; Ganglia, Spinal; Gene Expression Regulation; Hyperalgesia; Ligation; Male; Neurons, Afferent; Norepinephrine; Peripheral Nerve Injuries; Peripheral Nerves; Peripheral Nervous System Diseases; Protein Precursors; Rats; Rats, Inbred F344; Rats, Inbred Lew; Receptors, Opioid, delta; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Species Specificity; Spinal Cord; Tyrosine 3-Monooxygenase

Topics: Acetylcholine; Animals; Calcium; Carbachol; Cyclic AMP; Cyclic GMP; Enkephalins; Humans; Hyperalgesia; Hyperesthesia; Isoproterenol; Morphine; Nociceptors; Prostaglandin Antagonists; Prostaglandins E; Synaptic Transmission

Topics: Adenosine; Adenylate Cyclase Toxin; Amino Acid Sequence; Analgesics; Animals; Antihypertensive Agents; Dinoprostone; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; GTP-Binding Proteins; Hyperalgesia; Male; Molecular Sequence Data; Pertussis Toxin; Phenethylamines; Purinergic P1 Receptor Antagonists; Rats; Rats, Sprague-Dawley; Receptors, Opioid, mu; Virulence Factors, Bordetella

Topics: Alprostadil; Analgesics; Animals; Diabetes Mellitus, Experimental; Dibenz(b,f)(1,4)oxazepine-10(11H)-carboxylic acid, 8-chloro-, 2-acetylhydrazide; Dinoprostone; Dose-Response Relationship, Drug; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Hindlimb; Hydrazines; Hyperalgesia; Male; Oxazepines; Pain; Rats; Rats, Sprague-Dawley

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: Adenosine; Analgesics; Animals; Dinoprostone; Drug Tolerance; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Hyperalgesia; Male; Morphine; Naloxone; Narcotic Antagonists; Narcotics; Nociceptors; Rats; Rats, Sprague-Dawley; Xanthines

Topics: Analgesics; Animals; Antineoplastic Agents, Phytogenic; Disease Models, Animal; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Hot Temperature; Hyperalgesia; Injections, Intravenous; Male; Neurons, Afferent; Pain Threshold; Peripheral Nervous System Diseases; Physical Stimulation; Psychomotor Performance; Rats; Rats, Sprague-Dawley; Vincristine

Topics: Adenosine; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Analgesics; Analgesics, Opioid; Animals; Clonidine; Dinoprostone; Drug Interactions; Drug Tolerance; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Hyperalgesia; Male; Models, Biological; Naloxone; Narcotic Antagonists; Oligonucleotides, Antisense; Purinergic P1 Receptor Agonists; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Opioid, mu; Receptors, Purinergic P1; Second Messenger Systems; Substance Withdrawal Syndrome; Substance-Related Disorders; Xanthines; Yohimbine

Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; Analgesics; Animals; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Hyperalgesia; Injections, Spinal; Male; Mice; Mice, Inbred ICR; Pain; Pain Measurement; Pyrrolidines; Quinolines; Reaction Time; Receptors, Opioid, delta; Spinal Cord

Topics: Analgesics; Animals; Benzeneacetamides; Benzomorphans; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Hyperalgesia; Male; Piperazines; Pyrrolidines; Rats; Rats, Sprague-Dawley; Receptors, N-Methyl-D-Aspartate; Receptors, Opioid, kappa

Topics: Analgesics; Animals; Dinoprostone; Drug Tolerance; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Enzyme Inhibitors; Hyperalgesia; Male; Naloxone; Narcotic Antagonists; Neurons; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nociceptors; Oxytocics; Protein Kinase C; Rats; Rats, Sprague-Dawley; Receptors, Opioid, mu; Second Messenger Systems; Substance-Related Disorders

Topics: Analgesics; Animals; Dinoprostone; Drug Tolerance; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Hyperalgesia; Male; Nociceptors; Rats; Rats, Sprague-Dawley; Receptors, Opioid, mu; Second Messenger Systems; Substance-Related Disorders

Topics: Animals; Dynorphins; Enkephalins; Freund's Adjuvant; Gene Expression; Hyperalgesia; In Situ Hybridization; Male; Neurogenic Inflammation; Neurons, Afferent; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger; Skin; Temporomandibular Joint; Temporomandibular Joint Disorders; Trigeminal Nuclei

Topics: Animals; Blotting, Northern; Calcitonin Gene-Related Peptide; Colchicine; Denervation; Dynorphins; Enkephalins; Freund's Adjuvant; Ganglia, Spinal; Gene Expression; Hyperalgesia; Inflammation; Male; Neurons, Afferent; Nociceptors; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger; Spinal Cord; Tachykinins

Topics: Acute Disease; Analysis of Variance; Animals; Autoradiography; Behavior, Animal; Body Temperature; Body Weight; Brain; Chronic Disease; Dronabinol; Drug Tolerance; Enkephalins; Hyperalgesia; Mice; Mice, Inbred C57BL; Mice, Knockout; Piperidines; Protein Precursors; Psychotropic Drugs; Pyrazoles; Receptors, Cannabinoid; Receptors, Drug; Rimonabant; Substance Withdrawal Syndrome

Topics: Animals; Arthritis; Arthritis, Experimental; Disease Models, Animal; Disease Progression; Enkephalins; Freund's Adjuvant; Ganglia, Spinal; Genes, Reporter; Genetic Therapy; Genetic Vectors; Herpesvirus 1, Human; Hindlimb; Hyperalgesia; Male; Neurons, Afferent; Pain Measurement; Protein Precursors; Rats; Rats, Sprague-Dawley; Severity of Illness Index; Terminal Repeat Sequences; Treatment Outcome

Topics: Animals; Butadienes; Disease Models, Animal; Enkephalins; Enzyme Activation; Enzyme Inhibitors; Freund's Adjuvant; Hindlimb; Hyperalgesia; Inflammation; Injections, Spinal; Male; Mitogen-Activated Protein Kinase Kinases; Mitogen-Activated Protein Kinases; Nitriles; Pain; Posterior Horn Cells; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger; Spinal Cord; Substance P; Up-Regulation

Topics: Animals; Base Sequence; Behavior, Animal; Calcium-Binding Proteins; Cells, Cultured; Consensus Sequence; Down-Regulation; Enkephalins; Heart; Hyperalgesia; Inflammation; Kv Channel-Interacting Proteins; Membrane Proteins; Mice; Mice, Inbred C57BL; Mice, Knockout; Neuralgia; Neurons; Physical Stimulation; Presenilin-1; Presenilin-2; Protein Precursors; Proto-Oncogene Proteins c-fos; Receptors, N-Methyl-D-Aspartate; Receptors, Opioid, kappa; Repressor Proteins; Spinal Cord; Stimulation, Chemical; Transcription, Genetic

Topics: Analgesics; Animals; Barium; Bucladesine; Endorphins; Enkephalins; Hyperalgesia; Hyperesthesia; Ionophores; Isoproterenol; Lidocaine; Morphine; Nalorphine; Naloxone; Narcotic Antagonists; Nociceptors; Pentazocine; Prostaglandins E; Rats

Topics: Analgesics; Animals; Carrageenan; Enkephalins; Hyperalgesia; Hyperesthesia; Injections, Intraperitoneal; Injections, Intraventricular; Morphine; Nalorphine; Naloxone; Narcotic Antagonists; Nociceptors; Pentazocine; Prostaglandins E; Rats

Topics: Animals; Circadian Rhythm; Endorphins; Enkephalins; Hot Temperature; Hyperalgesia; Hyperesthesia; Mice; Naloxone; Reaction Time

Topics: 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer; 8-Hydroxy-2-(di-n-propylamino)tetralin; Adenosine; Analgesics; Animals; Colforsin; Cyclic AMP; Dose-Response Relationship, Drug; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Guanosine 5'-O-(3-Thiotriphosphate); Hyperalgesia; Isomerism; Male; Nociceptors; Pain; Protein Kinase Inhibitors; Pyrrolidines; Pyrrolidinones; Rats; Rats, Inbred Strains; Receptors, Serotonin; Rolipram; Second Messenger Systems; Serotonin; Tetrahydronaphthalenes

Topics: 6-Cyano-7-nitroquinoxaline-2,3-dione; Analgesics; Analysis of Variance; Animals; Behavior, Animal; Carrageenan; Dizocilpine Maleate; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, D-Penicillamine (2,5)-; Enkephalins; Hyperalgesia; Inflammation; Injections, Spinal; Ketamine; Kynurenic Acid; Male; Piperazines; Quinoxalines; Rats; Rats, Sprague-Dawley; Receptors, N-Methyl-D-Aspartate; Valine

Topics: Animals; Animals, Newborn; Capsaicin; Dynorphins; Enkephalins; Female; Foot Diseases; Gene Expression; Hyperalgesia; Inflammation; Male; Protein Precursors; Proto-Oncogene Proteins c-fos; Rats; Rats, Inbred Strains; Spinal Cord; Substance P

Topics: Adrenergic alpha-Antagonists; Animals; Carrageenan; Clonidine; Enkephalins; Hyperalgesia; Inflammation; Male; Morphine; Narcotic Antagonists; Nociceptors; Rats; Rats, Inbred Strains; Receptors, Opioid; Spinal Cord

Topics: Animals; Dynorphins; Enkephalins; Gene Expression Regulation; Hyperalgesia; Inflammation; Male; Protein Precursors; Proto-Oncogene Proteins; Proto-Oncogene Proteins c-fos; Rats; Rats, Inbred Strains; RNA, Messenger; Spinal Cord

Topics: Animals; DNA; Dynorphins; Enkephalin, Methionine; Enkephalins; Hyperalgesia; Hyperesthesia; Male; Nucleic Acid Hybridization; Peptide Fragments; Protein Precursors; Rats; Rats, Inbred Strains; RNA, Messenger

Topics: Analgesia; Analgesics; Animals; Brain; Conditioning, Psychological; Drug Tolerance; Enkephalin, Leucine; Hyperalgesia; Male; Morphine; Nanoparticles; Pain; Rats, Sprague-Dawley

Topics: Analgesics, Opioid; Animals; Blood-Brain Barrier; Enkephalin, Leucine; Hyperalgesia; Male; Mice; Molecular Structure; Morphine; Nanoparticles; Rats; Squalene; Theranostic Nanomedicine; Tissue Distribution

Topics: Analgesia; Animals; Benzomorphans; Enkephalin, Leucine; Hyperalgesia; Hyperesthesia; Injections, Spinal; Male; Morphinans; Naloxone; Narcotic Antagonists; Pain; Rats; Receptors, Opioid