enkephalin, methionine has been researched along with Aging in 78 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 31 (39.74) | 18.7374 |
1990's | 41 (52.56) | 18.2507 |
2000's | 5 (6.41) | 29.6817 |
2010's | 1 (1.28) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
---|---|
Granholm, L; Nylander, I; Roman, E | 1 |
Balog, T; Marotti, T; Sobocanec, S; Sverko, V | 2 |
Göcze, PM; Környei, JL; Kovács, KA; Vértes, M; Vértes, Z | 1 |
Balog, T; Kusić, B; Marotti, T; Sobocanec, S; Sverko, V | 1 |
Boissier, JR; Dupont, A; Labrie, F; Mérand, Y; Savard, P | 1 |
Ng, SC; Tsang, D | 1 |
Bartke, A; Blum, K; Briggs, A; Dalterio, S; DeLallo, L; Sweeney, C | 1 |
Ho, KP; Ng, SC; Tsang, D | 1 |
Bosio, A; Croce, L; Govoni, S; Missale, C; Spano, PF; Trabucchi, M | 1 |
Castelletti, L; Govoni, S; Missale, C; Spano, PF; Trabucchi, M | 1 |
Hayashi, T; Nakamura, K | 1 |
Chesselet, MF; Graybiel, AM | 1 |
Assanah, P; Burrowes, WR; Chapman, A; Gonzales, G; Iannone, B; Leung, MK; Stefano, GB | 1 |
Itskovitz, J; Lagamma, EF; Rudolph, AM | 1 |
Barden, N; Cusan, L; Dupont, A; Ferland, L; Labrie, F; Merand, Y | 1 |
Furukawa, K; Nomoto, T; Tonoue, T | 1 |
Hong, JS; Lamartiniere, CA; Yoshikawa, K | 1 |
Forman, LJ; Meites, J; Sonntag, WE; Steger, RW; Van Vugt, DA | 1 |
Moss, IR; Zhang, C | 1 |
Barron, BA; Boluyt, MO; Caffrey, JL; Crow, MT; Lakatta, EG; O'Neill, L; Younes, A | 2 |
Harlan, RE; Song, DD | 1 |
Mitsuo, K; Nishiyama, N; Schwartz, JP; Sheng, JG; Shirabe, S | 1 |
Dixon, DM; Traynor, JR | 1 |
Isayama, T; McLaughlin, PJ; Zagon, IS | 1 |
Lönnberg, P; Marjamäki, P; Rinne, JO | 1 |
Hong, JS; Hudson, PM; Hung, GH; Lee, DY; McMillian, MK; Thai, L | 1 |
Chernaeva, L; Mizhorkova, Z | 1 |
Cahill, L; Haigler, HJ | 1 |
Basheer, R; Tempel, A; Yang, J | 1 |
McLaughlin, PJ | 1 |
Lau, SM; Tang, F | 1 |
Környei, JL; Kovács, S; Vértes, M; Vértes, Z | 1 |
Goodyer, C; Laferrière, A; Moss, IR; Paquette, J; Waters, KA | 1 |
Hondo, E; Kitamura, N; Mimoda, T; Yamada, J | 1 |
Cowen, T; Johnson, RJ; Santer, RM; Schemann, M | 1 |
Allar, MA; McLaughlin, PJ | 1 |
Goettl, VM; Hadjiconstantinou, M; Neff, NH; Tejwani, GA | 1 |
Allen, SS; McLaughlin, PJ; Verderame, MF; Zagon, IS | 1 |
Baltazar, ET; Hondo, E; Kitamura, N; Myojin, T; Pearson, GT; Yamada, J | 1 |
Tang, F; Vacca-Galloway, LL; Yung, KK | 1 |
Hong, JS; Ingenito, AJ; Li, SJ; Wong, SC | 1 |
Conte-Devolx, B; Corder, R; Gaillard, R; Kowalski, C; Micheau, J | 1 |
Marini, AM; Schwartz, JP; Shinoda, H | 1 |
Bishop, AE; Hitchcock, RJ; Pemble, MJ; Polak, JM; Spitz, L | 1 |
Lin, J | 1 |
Arai, Y; Ghoda, K; Kajita, T; Liu, XF; Matsumiya, T; Ohgiya, N; Oka, T; Taniguchi, T | 1 |
Carney, JA; Go, VL; Koch, TR; Szurszewski, JH | 1 |
Gupta, M; Han, Z; Joseph, JA; Roth, GS | 1 |
Chae, HY; Parvin, CA; Roth, KA; Schmidt, RE | 1 |
Cheung, A; Tang, F; Vacca-Galloway, LL | 1 |
Chong, PN; de Ceballos, ML; Jenner, P; Marsden, CD; Rose, S; Taylor, MD | 1 |
Brakier-Gingras, L; Dumont, M; Lemaire, S; Ouellette, M | 1 |
Janković, BD; Marić, D | 2 |
Kreek, MJ; Nyberg, F; Terenius, L; Unterwald, EM | 1 |
Burnell, EE; Martinez, AM; Padbury, JF; Thio, SL | 1 |
Burnell, E; Chappell, B; Habib, D; Martinez, A; Padbury, J; Thio, S | 1 |
Dontsov, VI; Gol'dshteĭn, MM; Kravchenko, SA | 1 |
Foris, G; Fulop, T; Kekessy, D | 1 |
Coupland, RE; Kent, C | 1 |
Ali, SF; Hong, JS; Hudson, PM; Mason, GA; Yoshikawa, K | 1 |
Gingras, JL; Lawson, EE; McNamara, MC | 1 |
Senba, E; Tohyama, M; Yanaihara, C; Yanaihara, N | 1 |
Baker, BI; Bird, DJ; Buckingham, JC; Mukherjee, S | 1 |
Banks, WA; Kastin, AJ | 1 |
Breese, GR; Hong, JS; Krause, JE; Mueller, RA; Napier, TC; Sivam, SP | 1 |
Recant, L; Timmers, K; Voyles, NR; Wilkins, S; Zalenski, C | 1 |
Man, SY; Tang, F | 1 |
Alessio, L; Battaini, F; Govoni, S; Iavicoli, R; Salar, G; Trabucchi, M | 1 |
Ogawa, N | 1 |
Hoffman, GE; Watson, RE; Wiegand, SJ | 1 |
Du, F; Dubois, PM | 1 |
Aloyz, R; Ase, A; Finkielman, S; Nahmod, VE; Vindrola, O | 1 |
Kitamura, N; Yamada, J; Yamashita, T; Yanaihara, N | 1 |
Boyce, S; De Ceballos, ML; Jenner, P; Marsden, CD; Taylor, M | 1 |
Cahill, LF; Charles, E; Crager, MR; Haigler, HJ | 1 |
1 review(s) available for enkephalin, methionine and Aging
Article | Year |
---|---|
Physiological role of endorphins in neuroendocrinology.
Topics: Aging; Animals; Endorphins; Enkephalin, Methionine; Enkephalins; Estrus; Female; Growth Hormone; Hypothalamus; Male; Pregnancy; Prolactin; Rats; Serotonin; Stimulation, Chemical | 1981 |
77 other study(ies) available for enkephalin, methionine and Aging
Article | Year |
---|---|
Single housing during early adolescence causes time-, area- and peptide-specific alterations in endogenous opioids of rat brain.
Topics: Aging; Animals; Brain; Dynorphins; Endorphins; Enkephalin, Methionine; Housing, Animal; Male; Nociceptin; Opioid Peptides; Rats, Sprague-Dawley; Social Environment | 2015 |
Met-enkephalin modulates lipid peroxidation and total sialic acid level in CBA mice in age- and sex-dependent manners.
Topics: Aging; Animals; Dose-Response Relationship, Drug; Enkephalin, Methionine; Female; Lipid Peroxidation; Liver; Male; Mice; Mice, Inbred CBA; N-Acetylneuraminic Acid; Sex Characteristics; Spleen | 2002 |
Developmental changes in the inhibition of cultured rat uterine cell proliferation by opioid peptides.
Topics: Aging; Animals; Cell Division; Cells, Cultured; Dose-Response Relationship, Drug; Dynorphins; Endorphins; Enkephalin, Methionine; Enkephalins; Epidermal Growth Factor; Estradiol; Female; Inhibitory Concentration 50; Naloxone; Narcotic Antagonists; Opioid Peptides; Ovariectomy; Rats; Rats, Inbred Strains; Rats, Wistar; Uterus | 2003 |
Met-enkephalin modulation of age-related changes in red cell antioxidant status.
Topics: Aging; Animals; Antioxidants; Catalase; Enkephalin, Methionine; Enzyme Activation; Erythrocytes; Female; Glutathione Peroxidase; Male; Mice; Mice, Inbred CBA; Oxidative Stress; Superoxide Dismutase | 2005 |
Methionine-enkephalin modulated regulation of oxidant/antioxidant status in liver of CBA mice.
Topics: Aging; Animals; Antioxidants; Base Sequence; Catalase; Enkephalin, Methionine; Female; Gene Expression; Glutathione Peroxidase; Glutathione Peroxidase GPX1; Lipid Peroxidation; Liver; Male; Mice; Mice, Inbred CBA; Reactive Oxygen Species; RNA, Messenger; Superoxide Dismutase | 2006 |
Age-related changes in central nervous system enkephalins and substance P.
Topics: Aging; Animals; beta-Endorphin; Brain; Endorphins; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Hypothalamus; Male; Rats; Rats, Inbred Strains; Substance P | 1981 |
Effect of antenatal exposure to opiates on the development of opiate receptors in rat brain.
Topics: Aging; Animals; Animals, Newborn; Brain; Enkephalin, Methionine; Enkephalins; Female; Fetus; Maternal-Fetal Exchange; Morphine; Naloxone; Pregnancy; Rats; Receptors, Opioid | 1980 |
Perinatal exposure to delta 9-THC in mice: altered enkephalin and norepinephrine sensitivity in vas deferens.
Topics: Aging; Animals; Dronabinol; Endorphins; Enkephalin, Methionine; Enkephalins; Female; Male; Mice; Muscle, Smooth; Norepinephrine; Pregnancy; Prenatal Exposure Delayed Effects; Vas Deferens | 1980 |
Development of methionine-enkephalin and naloxone binding sites in regions of rat brain.
Topics: Aging; Animals; Binding, Competitive; Brain; Brain Stem; Cerebellum; Endorphins; Enkephalin, Methionine; Enkephalins; Female; Kinetics; Male; Naloxone; Rats; Rats, Inbred Strains; Receptors, Opioid; Tissue Distribution | 1982 |
Changes of beta-endorphin and Met-enkephalin content in the hypothalamus-pituitary axis induced by aging.
Topics: Adrenocorticotropic Hormone; Aging; Animals; beta-Endorphin; Chromatography, High Pressure Liquid; Endorphins; Enkephalin, Methionine; Hypothalamo-Hypophyseal System; Male; Pituitary Gland; Radioimmunoassay; Rats; Rats, Inbred Strains | 1983 |
Age related changes of enkephalin in rat spinal cord.
Topics: Aging; Animals; Enkephalin, Methionine; Male; Rats; Rats, Inbred Strains; Receptors, Opioid; Spinal Cord | 1983 |
Development of cerebral methionine-enkephalinergic neurons in rats: some difference in Wistar-Kyoto rats and spontaneously hypertensive rats.
Topics: Aging; Animals; Animals, Newborn; Brain; Enkephalin, Methionine; Hypertension; Male; Neurons; Rats; Rats, Inbred Strains; Rats, Mutant Strains; Receptors, Opioid; Species Specificity; Tissue Distribution | 1983 |
Compartmental distribution of striatal cell bodies expressing [Met]enkephalin-like immunoreactivity.
Topics: Acetylcholinesterase; Aging; Animals; Brain; Brain Chemistry; Callitrichinae; Cats; Enkephalin, Methionine; Immunoenzyme Techniques; Saimiri; Tissue Distribution | 1984 |
Alterations in high-affinity binding characteristics and levels of opioids in invertebrate ganglia during aging: evidence for an opioid compensatory mechanism.
Topics: Adenylyl Cyclases; Aging; Animals; Bivalvia; Dopamine; Endorphins; Enkephalin, Methionine; Etorphine; Ganglia; Insecta; Naloxone; Sex Factors | 1984 |
Maturation of circulatory responses to methionine-enkephalin.
Topics: Aging; Animals; Animals, Newborn; Blood Pressure; Bradycardia; Dose-Response Relationship, Drug; Enkephalin, Methionine; Female; Fetus; Heart Rate; Hypertension; Hypotension; Pregnancy; Sheep; Tachycardia; Time Factors | 1983 |
Postnatal change in receptivity for methionine5-enkephalin in rat duodenum: transition from neurogenic to myogenic receptivity.
Topics: Aging; Animals; Animals, Newborn; Duodenum; Enkephalin, Methionine; In Vitro Techniques; Morphine; Muscle Relaxation; Muscle, Smooth; Norepinephrine; Rats; Rats, Inbred Strains | 1982 |
Sex-related difference in the rat pituitary [Met5]-enkephalin level--altered by gonadectomy.
Topics: Aging; Animals; Castration; Enkephalin, Methionine; Estradiol; Female; Male; Pituitary Gland; Rats; Rats, Inbred F344; Sex Factors; Sexual Maturation | 1982 |
Reduced ability of naloxone to stimulate LH and testosterone release in aging male rats; possible relation to increase in hypothalamic met5-enkephalin.
Topics: Aging; Animals; Endorphins; Enkephalin, Methionine; Enkephalins; Hypothalamus; Luteinizing Hormone; Male; Morphine; Naloxone; Rats; Testosterone | 1980 |
Age-related mu-, delta-and kappa-opioid ligands in respiratory-related brain regions of piglets: effect of prenatal cocaine.
Topics: Aging; Animals; Animals, Newborn; beta-Endorphin; Brain Stem; Cocaine; Dynorphins; Enkephalin, Methionine; Female; Ligands; Pregnancy; Prenatal Exposure Delayed Effects; Receptors, Opioid; Receptors, Opioid, delta; Receptors, Opioid, kappa; Receptors, Opioid, mu; Respiration; Swine | 1995 |
Aging, cardiac proenkephalin mRNA and enkephalin peptides in the Fisher 344 rat.
Topics: Aging; Animals; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Male; Myocardium; Protein Precursors; Rats; Rats, Inbred F344; RNA, Messenger; Sympathectomy, Chemical | 1994 |
Ontogeny of the proenkephalin system in the rat corpus striatum: its relationship to dopaminergic innervation and transient compartmental expression.
Topics: Aging; Animals; Corpus Striatum; DNA Probes; Dopamine; Embryo, Mammalian; Embryonic and Fetal Development; Enkephalin, Methionine; Enkephalins; Gene Expression Regulation; Gestational Age; Immunohistochemistry; In Situ Hybridization; Neurons; Protein Precursors; Rats; Rats, Sprague-Dawley; Tyrosine 3-Monooxygenase | 1993 |
Trophic factor production by reactive astrocytes in injured brain.
Topics: Aging; Animals; Astrocytes; Biomarkers; Cells, Cultured; Cerebellum; Enkephalin, Methionine; Enkephalins; Fetus; Glial Fibrillary Acidic Protein; Male; Mice; Mice, Inbred C57BL; MPTP Poisoning; Nerve Growth Factors; Neuropeptides; Neurotoxins; Oxidopamine; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger; Somatostatin | 1993 |
Conversion of dynorphin A(1-8) to [Leu5]-enkephalin in rat central nervous tissue during development.
Topics: Aging; Animals; Animals, Newborn; Brain; Cerebellum; Cerebral Cortex; Corpus Striatum; Dynorphins; Enkephalin, Methionine; Peptide Fragments; Rats; Rats, Wistar; Spinal Cord | 1993 |
Preproenkephalin mRNA expression in the developing and adult rat brain.
Topics: Aging; Animals; Blotting, Northern; Brain; Cerebellum; Embryonic and Fetal Development; Enkephalin, Methionine; Enkephalins; Female; Gene Expression; Gestational Age; In Situ Hybridization; Male; Organ Specificity; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger | 1994 |
Human brain methionine- and leucine-enkephalins and their receptors during ageing.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Aging; Brain; Child; Child, Preschool; Enkephalin, Leucine; Enkephalin, Methionine; Female; Humans; Male; Middle Aged; Radioimmunoassay; Receptors, Opioid | 1993 |
Age-associated increase in rat cardiac opioid production.
Topics: Aging; Animals; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Heart Conduction System; Hypertrophy, Left Ventricular; Male; Myocardium; Osmolar Concentration; Protein Precursors; Rats; Rats, Wistar; RNA, Messenger; Sympathectomy, Chemical | 1993 |
Developmental changes in rat adrenal enkephalin precursor: peptide ratio.
Topics: Adrenal Glands; Aging; Animals; Carboxypeptidase H; Carboxypeptidases; Enkephalin, Methionine; Enkephalins; Nicotine; Protein Precursors; Rats; Rats, Inbred F344 | 1993 |
Postnatal development of methionine-enkephalin modulation of cholinergic transmission in cat ileum.
Topics: Acetylcholine; Aging; Animals; Cats; Cholinergic Fibers; Electric Stimulation; Enkephalin, Methionine; Ileum; In Vitro Techniques; Muscle Contraction; Muscle, Smooth | 1995 |
Hippocampal cell death.
Topics: Acetylcholine; Aging; Animals; Cell Death; Enkephalin, Methionine; Hippocampus; Humans; Memory; Pyramidal Cells; Rats | 1996 |
Prenatal morphine exposure differentially alters expression of opioid peptides in striatum of newborns.
Topics: Aging; Animals; Animals, Newborn; Blotting, Northern; Brain; Corpus Striatum; Dynorphins; Enkephalin, Methionine; Enkephalins; Female; Frontal Lobe; Gene Expression; Hippocampus; Hypothalamus; Morphine; Multivariate Analysis; Organ Specificity; Pregnancy; Prenatal Exposure Delayed Effects; Protein Biosynthesis; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger | 1995 |
Regulation of DNA synthesis of myocardial and epicardial cells in developing rat heart by [Met5]enkephalin.
Topics: Aging; Animals; Animals, Newborn; Cells, Cultured; DNA; Enkephalin, Methionine; Enkephalins; Female; Male; Myocardium; Pericardium; Protein Precursors; Rats; Rats, Sprague-Dawley; Receptors, Opioid; RNA, Messenger; Tissue Distribution | 1996 |
The effect of haloperidol on met-enkephalin, beta-endorphin, cholecystokinin and substance P in the pituitary, the hypothalamus and the striatum of rats during aging.
Topics: Aging; Animals; beta-Endorphin; Cholecystokinin; Corpus Striatum; Enkephalin, Methionine; Haloperidol; Hypothalamus; Male; Pituitary Gland; Radioimmunoassay; Rats; Rats, Sprague-Dawley; Substance P | 1995 |
Opioids regulate cell proliferation in the developing rat uterus: effects during the period of sexual maturation.
Topics: Aging; Analysis of Variance; Animals; Cell Division; Cell Nucleus; DNA; Enkephalin, Methionine; Estradiol; Female; Kinetics; Naloxone; Ovariectomy; Rats; Rats, Inbred Strains; Receptors, Estradiol; Receptors, Opioid; Sexual Maturation; Uterus | 1996 |
Curtailed respiration by repeated vs. isolated hypoxia in maturing piglets is unrelated to NTS ME or SP levels.
Topics: Aging; Animals; Animals, Newborn; Enkephalin, Methionine; Female; Hypoxia; Male; Recurrence; Respiration; Solitary Nucleus; Substance P; Swine; Swine, Miniature | 1997 |
Immunohistochemical colocalization of serotonin, substance P and Met-enkephalin-Arg6-Gly7-Leu8 in the endocrine cells of the ruminant duodenum.
Topics: Aging; Animals; Cattle; Duodenum; Enkephalin, Methionine; Enterochromaffin Cells; Goats; Immunohistochemistry; Intestinal Mucosa; Serotonin; Sheep; Species Specificity; Substance P | 1998 |
The effects of age on the overall population and on sub-populations of myenteric neurons in the rat small intestine.
Topics: Aging; Animals; Biomarkers; Choline O-Acetyltransferase; Dihydrolipoamide Dehydrogenase; Enkephalin, Methionine; Ileum; Immunohistochemistry; Intestine, Small; Myenteric Plexus; Neurons; Neuropeptide Y; Rats; Rats, Sprague-Dawley; Somatostatin; Substance P; Thiolester Hydrolases; Ubiquitin Thiolesterase; Vasoactive Intestinal Peptide | 1998 |
Preproenkephalin gene expression and [Met5]-enkephalin levels in the developing rat heart.
Topics: Aging; Animals; Caudate Nucleus; DNA Probes; Embryonic and Fetal Development; Enkephalin, Methionine; Enkephalins; Female; Fetal Heart; Gene Expression Regulation, Developmental; Gestational Age; Heart; Liver; Male; Myocardium; Pro-Opiomelanocortin; Protein Precursors; Rats; Rats, Sprague-Dawley; RNA, Messenger; Transcription, Genetic | 1998 |
Decreased neuropeptide content in the spinal cord of aged rats: the effect of GM1 ganglioside.
Topics: Aging; Animals; Dynorphins; Enkephalin, Methionine; G(M1) Ganglioside; Ganglia, Spinal; Male; Rats; Rats, Sprague-Dawley; Spinal Cord; Substance P; Tissue Distribution | 1999 |
Cloning, sequencing, expression and function of a cDNA encoding a receptor for the opioid growth factor, [Met(5)]enkephalin.
Topics: Aging; Amino Acid Sequence; Animals; Base Sequence; Brain; Cerebellum; Cloning, Molecular; DNA, Complementary; Enkephalin, Methionine; Gene Expression Regulation; Intestinal Mucosa; Molecular Sequence Data; Oligodeoxyribonucleotides, Antisense; Rats; Receptors, Opioid; Recombinant Fusion Proteins; Thionucleotides | 1999 |
Immunohistochemical localization of neuropeptides in bovine pancreas.
Topics: Aging; Animals; Calcitonin Gene-Related Peptide; Cattle; Enkephalin, Methionine; Female; Galanin; Immunohistochemistry; Islets of Langerhans; Neuropeptide Y; Neuropeptides; Pancreas; Substance P; Vasoactive Intestinal Peptide | 2000 |
Decrease of enkephalins in cerebellum during Wobbler mouse motoneuron disease.
Topics: Aging; Animals; Cerebellum; Corpus Striatum; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Mice; Mice, Neurologic Mutants; Motor Neuron Disease; Substance P; Thyrotropin-Releasing Hormone | 1992 |
Age-related changes in opioid peptide concentrations in brain and pituitary of spontaneously hypertensive rats. Effect of antihypertensive drugs and comparison with deoxycorticosterone acetate and salt hypertension.
Topics: Aging; Animals; beta-Endorphin; Brain; Desoxycorticosterone; Dynorphins; Endorphins; Enkephalin, Methionine; Guanethidine; Hydralazine; Hypertension; Male; Pituitary Gland; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Rats, Inbred WKY | 1992 |
Age-related changes in cortico-releasing factor, somatostatin, neuropeptide Y, methionine enkephalin and beta-endorphin in specific rat brain areas.
Topics: Aging; Analysis of Variance; Animals; beta-Endorphin; Brain; Corpus Striatum; Corticotropin-Releasing Hormone; Enkephalin, Methionine; Frontal Lobe; Hippocampus; Hypothalamus; Male; Neuropeptide Y; Organ Specificity; Rats; Rats, Inbred Strains; Somatostatin | 1992 |
Developmental expression of the proenkephalin and prosomatostatin genes in cultured cortical and cerebellar astrocytes.
Topics: Aging; Animals; Astrocytes; Cells, Cultured; Cerebellum; Cerebral Cortex; DNA Probes; Enkephalin, Methionine; Enkephalins; Fetus; Gene Expression; Protein Precursors; Radioimmunoassay; Rats; Rats, Inbred Strains; RNA, Messenger; Somatostatin | 1992 |
The ontogeny and distribution of neuropeptides in the human fetal and infant esophagus.
Topics: Aging; Bombesin; Embryonic and Fetal Development; Enkephalin, Methionine; Esophagus; Fetus; Galanin; Gestational Age; Glial Fibrillary Acidic Protein; Humans; Image Processing, Computer-Assisted; Infant, Newborn; Neuropeptide Y; Neuropeptides; Peptide Biosynthesis; Regression Analysis; Somatostatin; Substance P; Synaptophysin; Tyrosine 3-Monooxygenase; Ubiquitin Thiolesterase; Vasoactive Intestinal Peptide | 1992 |
[Ageing suppresses the enhancement of T cell mitogenesis by opioid peptides and enkephalins increase phagocytosis of murines macrophage].
Topics: Aging; Animals; beta-Endorphin; Enkephalin, Methionine; Female; Lymphocyte Activation; Macrophages; Male; Mice; Mice, Inbred BALB C; Peritoneal Cavity; Phagocytosis; Phytohemagglutinins; Rats; Rats, Wistar; Spleen; T-Lymphocytes | 1992 |
Effects of the subcutaneous administration of enkephalins on tail-flick response and righting reflex of developing rats.
Topics: Aging; Animals; Anti-Bacterial Agents; Captopril; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Methionine; Enkephalins; Female; Glycopeptides; Injections, Subcutaneous; Male; Oligopeptides; Pain; Peptides; Posture; Protease Inhibitors; Rats; Rats, Wistar; Reflex | 1992 |
Inhibitory neuropeptides and intrinsic inhibitory innervation of descending human colon.
Topics: Adult; Aged; Aged, 80 and over; Aging; Colon; Enkephalin, Methionine; Female; Humans; Male; Middle Aged; Muscle, Smooth; Neuropeptide Y; Peptide PHI; Somatostatin; Vasoactive Intestinal Peptide | 1991 |
The deleterious effects of aging and kainic acid may be selective for similar striatal neuronal populations.
Topics: Acetylcholinesterase; Aging; Animals; Corpus Striatum; Enkephalin, Methionine; Kainic Acid; Neurons; Rats; Rats, Wistar; Receptors, Dopamine D2; Tyrosine 3-Monooxygenase | 1991 |
Neuroaxonal dystrophy in aging human sympathetic ganglia.
Topics: Adult; Aged; Aging; Autopsy; Axons; Enkephalin, Methionine; Ganglia, Sympathetic; Gastrin-Releasing Peptide; Humans; Immunohistochemistry; Microscopy, Electron; Middle Aged; Nervous System Diseases; Neurons; Neuropeptide Y; Peptides; Substance P; Synapses; Time Factors; Tyrosine 3-Monooxygenase; Vasoactive Intestinal Peptide | 1990 |
Measurement of neuropeptides in the brain and spinal cord of Wobbler mouse: a model for motoneuron disease.
Topics: Aging; Animals; Brain; Brain Chemistry; Disease Models, Animal; Enkephalin, Leucine; Enkephalin, Methionine; Mice; Mice, Neurologic Mutants; Motor Neurons; Neuromuscular Diseases; Neuropeptides; Somatostatin; Spinal Cord; Substance P; Thyrotropin-Releasing Hormone | 1990 |
Neuropeptide levels in the basal ganglia of aged common marmosets following prolonged treatment with MPTP.
Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 3,4-Dihydroxyphenylacetic Acid; Aging; Animals; Basal Ganglia; Biogenic Monoamines; Callithrix; Caudate Nucleus; Dopamine; Enkephalin, Leucine; Enkephalin, Methionine; Female; Globus Pallidus; Homovanillic Acid; Male; Neuropeptides; Neurotensin; Putamen; Reference Values; Sincalide; Substance P | 1991 |
Expression of the preproenkephalin A gene in the heart of cardiomyopathic hamsters.
Topics: Aging; Amino Acid Sequence; Animals; Blotting, Northern; Cardiomyopathies; Cricetinae; Enkephalin, Methionine; Enkephalins; Gene Expression; Glyceraldehyde-3-Phosphate Dehydrogenases; Heart Atria; Heart Ventricles; Male; Molecular Sequence Data; Protein Precursors; Radioimmunoassay; RNA, Messenger | 1991 |
Enkephalin-induced stimulation of humoral and cellular immune reactions in aged rats.
Topics: Aging; Animals; Antibody Formation; Enkephalin, Methionine; Female; Immunity, Cellular; Inflammation; Lymph Nodes; Necrosis; Rats; Rats, Inbred Strains; Skin Tests | 1991 |
Distribution of opioid peptides in brain and GI tract: age- and species-specific differences.
Topics: Aging; Animals; Brain Chemistry; Digestive System; Endorphins; Enkephalin, Methionine; Guinea Pigs; Hypothalamus; In Vitro Techniques; Male; Rats; Species Specificity | 1990 |
Plasma methionine enkephalin levels in the human newborn at birth.
Topics: Adult; Aging; Enkephalin, Methionine; Epinephrine; Gestational Age; Humans; Infant, Newborn; Norepinephrine; Reference Values | 1991 |
Maturational changes in expression of enkephalin peptides in adrenal and extra-adrenal tissue of fetal and adult rabbits.
Topics: Adrenal Glands; Aging; Animals; Animals, Newborn; Enkephalin, Methionine; Epinephrine; Gestational Age; Neural Crest; Norepinephrine; Organ Specificity; Rabbits; Radioimmunoassay | 1991 |
[Changes in the number of neuromediator receptors on murine lymphocytes in ontogeny].
Topics: Aging; Animals; Enkephalin, Methionine; Epinephrine; Lymphocytes; Mice; Mice, Inbred BALB C; Receptors, Adrenergic, beta; Receptors, Cholinergic; Receptors, Neurotransmitter; Receptors, Opioid; Spleen | 1990 |
Altered post-receptorial signal transduction mechanism under various stimulation in polymorphonuclear granulocytes of Alzheimer's disease.
Topics: Aged; Aged, 80 and over; Aging; Alzheimer Disease; Carbachol; Cyclic AMP; Cyclic GMP; Enkephalin, Methionine; Humans; Male; Middle Aged; Neutrophils; Signal Transduction | 1990 |
Immunorestorative activity of methionine-enkephalin in senescence.
Topics: Aging; Animals; Antibody Formation; Enkephalin, Methionine; Female; Hemolytic Plaque Technique; Hypersensitivity, Delayed; Immune System; Lymphocytes; Rats; Rats, Inbred Strains; Reference Values | 1990 |
Localisation of chromogranin A and B, met-enkephalin-arg6-gly7-leu8 and PGP9.5-like immunoreactivity in the developing and adult rat adrenal medulla and extra-adrenal chromaffin tissue.
Topics: Adrenal Medulla; Aging; Animals; Chromaffin System; Chromogranin A; Chromogranins; Enkephalin, Methionine; Fetus; Nerve Tissue Proteins; Neuropeptides; Rats; Rats, Inbred Strains; Ubiquitin Thiolesterase | 1989 |
Effects of chlordecone administration on brain and pituitary peptide systems.
Topics: Aging; Animals; Animals, Newborn; beta-Endorphin; Brain; Castration; Chlordecone; Diet; Diethylstilbestrol; Dose-Response Relationship, Drug; Endorphins; Enkephalin, Methionine; Enkephalins; Estrogens; Female; Insecticides; Luteinizing Hormone; Male; Nerve Tissue Proteins; Pituitary Gland, Anterior; Prolactin; Rats; Time Factors | 1985 |
Development of daily variations in methionine enkephalin within rabbit brainstem regions.
Topics: Aging; Animals; Brain Stem; Circadian Rhythm; Enkephalin, Methionine; Rabbits; Radioimmunoassay | 1989 |
Proenkephalin opioid peptide product in the sensory ganglia of the rat: a developmental immunohistochemical study.
Topics: Aging; Animals; Cell Count; Embryonic and Fetal Development; Enkephalin, Methionine; Enkephalins; Ganglia, Spinal; Gestational Age; Immunohistochemistry; Neurons, Afferent; Protein Precursors; Rats; Trigeminal Nerve | 1989 |
Hypothalamo-pituitary-interrenal responses to opioid substances in the trout. II. Effects of morphine and D-Ala2, Met5-enkephalinamide on plasma cortisol titres in vivo.
Topics: Adrenocorticotropic Hormone; Aging; Animals; Corticotropin-Releasing Hormone; Enkephalin, Methionine; Hydrocortisone; Hypothalamus; Interrenal Gland; Morphine; Naloxone; Pituitary Gland, Anterior; Salmonidae; Time Factors; Trout | 1987 |
Aging and the blood-brain barrier: changes in the carrier-mediated transport of peptides in rats.
Topics: Age Factors; Aging; Animals; Blood-Brain Barrier; Carrier Proteins; Enkephalin, Methionine; MSH Release-Inhibiting Hormone; Peptides; Rats; Rats, Inbred F344 | 1985 |
Neonatal and adult 6-hydroxydopamine-induced lesions differentially alter tachykinin and enkephalin gene expression.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Aging; Animals; Animals, Newborn; Benzazepines; Corpus Striatum; Dopamine; Dynorphins; Enkephalin, Methionine; Enkephalins; Ergolines; Female; Gene Expression Regulation; Hippocampus; Hydroxydopamines; Male; Motor Activity; Neuropeptides; Oxidopamine; Peptide Fragments; Protein Precursors; Quinpirole; Rats; Rats, Inbred Strains; RNA, Messenger; Substantia Nigra; Tachykinins | 1987 |
Altered beta-endorphin, Met- and Leu-enkephalins, and enkephalin-containing peptides in pancreas and pituitary of genetically obese diabetic (db/db) mice during development of diabetic syndrome.
Topics: Aging; Animals; beta-Endorphin; Body Weight; Diabetes Mellitus, Experimental; Endorphins; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Insulin; Islets of Langerhans; Mice; Mice, Obese; Pituitary Gland | 1986 |
Hypothyroidism and pituitary contents of immunoactive met-enkephalin and beta-endorphin in male rats of different ages.
Topics: Aging; Animals; beta-Endorphin; Enkephalin, Methionine; Hypothyroidism; Male; Pituitary Gland; Rats; Thyrotropin; Thyroxine; Triiodothyronine | 1988 |
Age-related changes of methionine-enkephalin and beta-endorphin/beta-lipotropin immunoreactivity in human CSF.
Topics: Adult; Aged; Aging; beta-Endorphin; beta-Lipotropin; Chromatography, High Pressure Liquid; Enkephalin, Methionine; Female; Humans; Male; Middle Aged; Radioimmunoassay | 1988 |
Neuropeptides and their receptors in aged-rat brain.
Topics: Aging; Animals; Brain; Enkephalin, Methionine; Male; Nerve Tissue Proteins; Rats; Receptors, Cell Surface; Receptors, Opioid; Receptors, Thyrotropin-Releasing Hormone; Thyrotropin-Releasing Hormone; Tissue Distribution | 1985 |
Ontogeny of a sexually dimorphic opioid system in the preoptic area of the rat.
Topics: Aging; Animals; Enkephalin, Methionine; Female; Immunoenzyme Techniques; Male; Preoptic Area; Rats; Rats, Inbred Strains; Sex Characteristics; Sexual Maturation | 1988 |
Development and distribution of enkephalin-immunoreactive elements in the chicken spinal cord.
Topics: Aging; Animals; Chick Embryo; Chickens; Enkephalin, Methionine; Spinal Cord | 1988 |
Adrenal proenkephalin-derived peptides during postnatal development in spontaneously hypertensive rats.
Topics: Adrenal Glands; Aging; Animals; Chlorisondamine; Chromatography, Gel; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Hypertension; Male; Molecular Weight; Protein Precursors; Rats; Rats, Inbred SHR; Rats, Inbred WKY | 1988 |
Distribution of methionine-enkephalin-Arg6-Gly7-Leu8-immunoreactive nerves in the forestomach of cattle.
Topics: Aging; Animals; Cattle; Enkephalin, Methionine; Omasum; Reticulum; Rumen; Stomach, Ruminant | 1987 |
Age-related decreases in the concentration of Met- and Leu-enkephalin and neurotensin in the basal ganglia of rats.
Topics: Aging; Animals; Basal Ganglia; Chromatography, High Pressure Liquid; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Male; Neurotensin; Radioimmunoassay; Rats; Rats, Inbred Strains | 1987 |
Met-enkephalin, age and anatomy: a microiontophoretic study in the hippocampus.
Topics: Aging; Animals; Dose-Response Relationship, Drug; Enkephalin, Methionine; Hippocampus; Iontophoresis; Male; Neurons; Rats; Rats, Inbred F344; Receptors, Muscarinic | 1987 |