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enkephalin, methionine and Aging

enkephalin, methionine has been researched along with Aging in 78 studies

Research

Studies (78)

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

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

Reviews

1 review(s) available for enkephalin, methionine and Aging

Article	Year
Physiological role of endorphins in neuroendocrinology. Acta physiologica Polonica, 1981, Volume: 32 Suppl 23 Topics: Aging; Animals; Endorphins; Enkephalin, Methionine; Enkephalins; Estrus; Female; Growth Hormone; Hypothalamus; Male; Pregnancy; Prolactin; Rats; Serotonin; Stimulation, Chemical	1981

Other Studies

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. British journal of pharmacology, 2015, Volume: 172, Issue:2 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. Experimental gerontology, 2002, Volume: 37, Issue:12 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. Cell proliferation, 2003, Volume: 36, Issue:3 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. Physiological research, 2005, Volume: 54, Issue:1 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. Biogerontology, 2006, Volume: 7, Issue:1 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. Life sciences, 1981, Nov-30, Volume: 29, Issue:22 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. Brain research, 1980, Apr-21, Volume: 188, Issue:1 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. Substance and alcohol actions/misuse, 1980, Volume: 1, Issue:5-6 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. Brain research, 1982, Volume: 255, Issue:4 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. Journal of neurochemistry, 1983, Volume: 40, Issue:1 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. Brain research, 1983, Feb-28, Volume: 262, Issue:1 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. Brain research, 1983, Jul-18, Volume: 271, Issue:1 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. Proceedings of the National Academy of Sciences of the United States of America, 1984, Volume: 81, Issue:24 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. Cellular and molecular neurobiology, 1984, Volume: 4, Issue:2 Topics: Adenylyl Cyclases; Aging; Animals; Bivalvia; Dopamine; Endorphins; Enkephalin, Methionine; Etorphine; Ganglia; Insecta; Naloxone; Sex Factors	1984
Maturation of circulatory responses to methionine-enkephalin. Pediatric research, 1983, Volume: 17, Issue:2 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. European journal of pharmacology, 1982, Aug-27, Volume: 82, Issue:3-4 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. Brain research, 1982, Nov-18, Volume: 251, Issue:2 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. Life sciences, 1980, Sep-01, Volume: 27, Issue:9 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. Brain research. Developmental brain research, 1995, Jul-14, Volume: 87, Issue:2 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. Journal of molecular and cellular cardiology, 1994, Volume: 26, Issue:6 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. Neuroscience, 1993, Volume: 52, Issue:4 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. Annals of the New York Academy of Sciences, 1993, May-28, Volume: 679 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. Neuropeptides, 1993, Volume: 25, Issue:2 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. Brain research. Molecular brain research, 1994, Volume: 21, Issue:1-2 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. Brain research, 1993, Oct-08, Volume: 624, Issue:1-2 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. The American journal of physiology, 1993, Volume: 265, Issue:1 Pt 2 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. Brain research. Developmental brain research, 1993, Jan-15, Volume: 71, Issue:1 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. Mechanisms of ageing and development, 1995, Sep-07, Volume: 83, Issue:2 Topics: Acetylcholine; Aging; Animals; Cats; Cholinergic Fibers; Electric Stimulation; Enkephalin, Methionine; Ileum; In Vitro Techniques; Muscle Contraction; Muscle, Smooth	1995
Hippocampal cell death. Science (New York, N.Y.), 1996, May-31, Volume: 272, Issue:5266 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. Brain research. Molecular brain research, 1995, Volume: 33, Issue:2 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. The American journal of physiology, 1996, Volume: 271, Issue:1 Pt 2 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. Progress in neuro-psychopharmacology & biological psychiatry, 1995, Volume: 19, Issue:7 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. The Journal of steroid biochemistry and molecular biology, 1996, Volume: 59, Issue:2 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. Journal of applied physiology (Bethesda, Md. : 1985), 1997, Volume: 83, Issue:2 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. Anatomia, histologia, embryologia, 1998, Volume: 27, Issue:1 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. Journal of anatomy, 1998, Volume: 192 ( Pt 4) 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. Brain research. Molecular brain research, 1998, Oct-01, Volume: 60, Issue:2 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. Neuroreport, 1999, Feb-25, Volume: 10, Issue:3 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. Brain research, 1999, Dec-04, Volume: 849, Issue:1-2 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. Anatomia, histologia, embryologia, 2000, Volume: 29, Issue:3 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. Brain research, 1992, Dec-18, Volume: 599, Issue:1 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. Pharmacology, 1992, Volume: 44, Issue:5 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. Brain research, 1992, Jun-05, Volume: 582, Issue:1 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. Brain research. Developmental brain research, 1992, Jun-19, Volume: 67, Issue:2 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. Gastroenterology, 1992, Volume: 102, Issue:3 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]. Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae, 1992, Volume: 14, Issue:3 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. Brain research. Developmental brain research, 1992, Oct-23, Volume: 69, Issue:2 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. Digestive diseases and sciences, 1991, Volume: 36, Issue:6 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. Aging (Milan, Italy), 1991, Volume: 3, Issue:4 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. The American journal of pathology, 1990, Volume: 136, Issue:6 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. Brain research, 1990, Jun-04, Volume: 518, Issue:1-2 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. Journal of neural transmission. Parkinson's disease and dementia section, 1991, Volume: 3, Issue:2 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. Biochemistry and cell biology = Biochimie et biologie cellulaire, 1991, Volume: 69, Issue:7 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. Annals of the New York Academy of Sciences, 1991, Volume: 621 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. NIDA research monograph, 1990, Volume: 105 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. Biology of the neonate, 1991, Volume: 60, Issue:2 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. Brain research bulletin, 1991, Volume: 26, Issue:6 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]. Biulleten' eksperimental'noi biologii i meditsiny, 1990, Volume: 110, Issue:11 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. Mechanisms of ageing and development, 1990, Mar-15, Volume: 52, Issue:2-3 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. The International journal of neuroscience, 1990, Volume: 51, Issue:3-4 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. Journal of anatomy, 1989, Volume: 166 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. Neurotoxicology, 1985,Spring, Volume: 6, Issue:1 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. Journal of developmental physiology, 1989, Volume: 11, Issue:6 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. Brain research. Developmental brain research, 1989, Aug-01, Volume: 48, Issue:2 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. General and comparative endocrinology, 1987, Volume: 68, Issue:1 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. Neuroscience letters, 1985, Oct-24, Volume: 61, Issue:1-2 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. Journal of neurochemistry, 1987, Volume: 49, Issue:5 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. Diabetes, 1986, Volume: 35, Issue:10 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. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1988, Volume: 188, Issue:1 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. Life sciences, 1988, Volume: 43, Issue:19 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. Acta medica Okayama, 1985, Volume: 39, Issue:4 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. Brain research. Developmental brain research, 1988, Nov-01, Volume: 44, Issue:1 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. Neuroscience, 1988, Volume: 27, Issue:1 Topics: Aging; Animals; Chick Embryo; Chickens; Enkephalin, Methionine; Spinal Cord	1988
Adrenal proenkephalin-derived peptides during postnatal development in spontaneously hypertensive rats. Endocrinology, 1988, Volume: 123, Issue:2 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. American journal of veterinary research, 1987, Volume: 48, Issue:11 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. Neuroscience letters, 1987, Mar-20, Volume: 75, Issue:1 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. Life sciences, 1987, Jan-12, Volume: 40, Issue:2 Topics: Aging; Animals; Dose-Response Relationship, Drug; Enkephalin, Methionine; Hippocampus; Iontophoresis; Male; Neurons; Rats; Rats, Inbred F344; Receptors, Muscarinic	1987