Morphological survey of neurotensin-like immunoreactive neurons in the hypothalamus.

abstract：:HPLC characterization of tilapia pituitary endorphins using an antibody specific for N-terminally acetylated endorphins yielded three major peaks in the neurointermediate lobe, but none in the pars distalis. The melanotropes secreted two of the immunoreactive products in vitro, one of which coeluted with Xenopus laevi...

journal_title：Peptides

authors： Balm PH,Hovens ML,Wendelaar Bonga SE

更新日期：1995-01-01 00:00:00

abstract：:Inferences regarding biosynthesis of LHRH in rats are made from immunocytochemical studies using LHRH antisera with varied and specific binding requirements. Immunoreactive perikarya were observed with antisera that could bind putative large molecular weight precursors of LHRH. No cells were detected with an antiserum...

journal_title：Peptides

authors： King JC,Anthony EL

更新日期：1983-11-01 00:00:00

abstract：:The roles of thyrotropin releasing hormone (TRH) and oxytocin as central regulators of gastric motility were investigated. Picomolar (4 picomoles) quantities of TRH injected into the dorsal motor nucleus of the vagus (DMN) elicited a significant increase in gastric motility while the same quantity of oxytocin elicited...

journal_title：Peptides

authors： Rogers RC,Hermann GE

更新日期：1987-05-01 00:00:00

abstract：:Cardiac hypertrophy, an adaptive process to an increased hemodynamic overload, includes not only an increase in cell size but also qualitative changes in constituent proteins. Although swelling-activated chloride channels (I(Cl,swell)) chronically activate in hypertrophied atrial myocytes, the role of I(Cl,swell) in r...

journal_title：Peptides

authors： Bai GY,Yuan K,Park WH,Kim SZ,Kim SH

更新日期：2008-09-01 00:00:00

abstract：:Two cDNAs, size 969 bp and 1146 bp respectively, encoding goldfish gamma-preprotachykinin (gamma-PPT) were identified. Both cDNAs contain the same 345 bp open reading frame. The deduced 114-amino acid gamma-PPT contains the sequence of substance P, carassin and neurokinin A. sequence analysis of the two cDNA 5'-untran...

journal_title：Peptides

authors： Lin XW,Peter RE

更新日期：1997-01-01 00:00:00

abstract：:We studied the ability of NPFF, a FMRFamide-like peptide with certain antiopiate properties, to affect the inhibitory effect of morphine on the electrically induced contraction of guinea pig ileum. Neuropeptide FF had no effect when administered alone but reduced morphine inhibition in a noncompetitive manner. Neurope...

journal_title：Peptides

authors： Demichel P,Rodriguez JC,Roquebert J,Simonnet G

更新日期：1993-09-01 00:00:00

abstract：:Urotensin-II (U-II), a ligand for the G-protein-coupled receptor UT, has been characterized as the most potent mammalian vasoconstrictor identified to date. Although circulating levels of U-II are altered in lower species (e.g., fish) upon exposure to hypo-osmotic stress, little is known about the actions of this cycl...

journal_title：Peptides

authors： Disa J,Floyd LE,Edwards RM,Douglas SA,Aiyar NV

更新日期：2006-06-01 00:00:00

abstract：:Incorporation of N-succinimidyl-3(4-hydroxyphenyl) propionate (Bolton-Hunter reagent) or its 125I-labeled derivative into peptides can be selectively directed towards either alpha- or epsilon-amine functions by modifying the pH of the reaction. Acylation of alpha-amino groups is favored at pH 6.5 whereas epsilon-amino...

journal_title：Peptides

authors： Gaudriault G,Vincent JP

更新日期：1992-11-01 00:00:00

abstract：:This study aimed to examine the effects of CPB on salusin-α, salusin-β and apelin-36 bioactive peptides in people who are planned to undergo coronary artery bypass graft (CABG) operation due to coronary artery disease and to explore whether these peptides are produced in human aortic, saphenous and arterial tissues. T...

journal_title：Peptides

authors： Aydin S,Eren MN,Aydin S,Ozercan IH,Dagli AF

更新日期：2012-10-01 00:00:00

abstract：:Vasoactive intestinal peptide (VIP) is a potent anti-inflammatory agent. In addition to the deactivation of macrophages, dendritic cells, and microglia, VIP shifts the Th1/Th2 balance, promoting the preferential differentiation and survival of Th2 cells, to the detriment of the proinflammatory Th1 effectors. Several m...

journal_title：Peptides

authors： Liu L,Yen JH,Ganea D

更新日期：2007-09-01 00:00:00

abstract：:Spinal cords of rats, cats and monkeys were transected; the animals were perfused at varying times. Other rats were injected with morphine and perfused 10 days later. Immunocytochemistry shows substance P (SP) present in control animals primarily in the substantia gelatinosa (SG) of the dorsal horn of the spinal cord....

journal_title：Peptides

authors： Naftchi NE,Abrahams SJ,St Paul HM,Vacca LL

更新日期：1981-01-01 00:00:00

abstract：:To examine the relationship between glutamate receptors and the action of NC-1900 on a step-through passive avoidance (PA) task in mice, MK-801, an NMDA receptor blocker, and (S)-4-carboxyphenylglycine (4CPG), a group I metabotropic receptor antagonist, were administered intraventricularly (i.c.v.) singly or as co-inj...

journal_title：Peptides

authors： Sato T,Ishida T,Tanaka K,Chowdhurry N,Irifune M,Hirate K,Mimura T,Nishikawa T

更新日期：2005-05-01 00:00:00

abstract：:Growing evidence suggests that the neuropeptide Y (NPY) system plays an important role in the immune system. Yet, little is known about the expression of NPY and receptors in the immune system. Moreover, original contradicting results have confused the picture and hampered a clear understanding of its role in the immu...

journal_title：Peptides

authors： Wheway J,Herzog H,Mackay F

更新日期：2007-02-01 00:00:00

abstract：:In this study, an amphibian (Odorrana hejiangensis) skin extract was fractionated by reverse phase HPLC and fractions were screened for trypsin inhibitory activity. Using this initial approach, a novel trypsin inhibitory peptide was detected with an apparent protonated molecular mass of 1804.83 Da, as determined by MA...

journal_title：Peptides

authors： Wang M,Wang L,Chen T,Walker B,Zhou M,Sui D,Conlon JM,Shaw C

更新日期：2012-02-01 00:00:00

abstract：:Recent studies have identified compounds with reduced efficacy relative to nociceptin/orphanin FQ at the opioid-like receptor ORL1. Utilizing stimulation of [(35)S]GTPgammaS binding as in vitro assays, it was determined that both [Phe(1)psi(CH(2)-NH)Gly(2)]N/OFQ(1-13)NH(2) and the hexapeptide Ac-RYYRIK-NH(2) act as pa...

journal_title：Peptides

authors： Burnside JL,Rodriguez L,Toll L

更新日期：2000-07-01 00:00:00

abstract：:The role of central neuropeptide Y (NPY) in the cardiovascular response to social stress was evaluated in freely moving rats using telemetry. In unstressed rats, intracerebroventricular (ICV) administration of NPY and the selective Y1 receptor agonist [Leu31, Pro34]-NPY decreased blood pressure and heart rate, while t...

journal_title：Peptides

authors： Klemfuss H,Southerland S,Britton KT

更新日期：1998-01-01 00:00:00

abstract：:Prolactin (PRL) is known to exert neuroprotective effects against excitotoxic damage in the hippocampus of female rats, both in vitro and in vivo. It is still unknown whether this effect can be seen in the male hippocampus and intracellular signaling mediating such action. To assess this, adult male CD-1 mice were sub...

journal_title：Peptides

authors： Anagnostou I,Muñoz-Mayorga D,Morales T

更新日期：2021-01-01 00:00:00

abstract：:The relaxant effect of a novel VIP analog, [Arg15,20,21Leu17]-VIP-Gly-Lys-Arg-NH2 was compared with that of the original VIP in the same guinea pig trachea precontracted by carbachol in vitro. The VIP analog caused significantly and concentration-dependent relaxation similarly to the original VIP. In contrast to the o...

journal_title：Peptides

authors： Yoshihara S,Lindén A,Kashimoto K,Watanabe S

更新日期：1998-01-01 00:00:00

abstract：:The aim of this study was to investigate peripheral and central roles of corticotropin-releasing factor (CRF) in endocrinological and behavioral changes. Plasma adrenocorticotropin (ACTH) concentration was measured as an activity of hypothalamic-pituitary-adrenal (HPA) axis. As behavioral changes, locomotion and anxie...

journal_title：Peptides

authors： Tanaka M,Tomimatsu Y,Sakimura K,Ootani Y,Sako Y,Kojima T,Aso K,Yano T,Hirai K

更新日期：2017-09-01 00:00:00

abstract：:In this work, we characterized the active site in the alpha-melanotropin hormone (alpha-MSH) sequence responsible for the enhancement of cAMP production in incubated striatal slices by using different alpha-MSH fragments. We also analyzed the effects of the co-incubation of the SCH23390, a dopaminergic D(1) antagonist...

journal_title：Peptides

authors： Cecilia Cremer M,Silvina Sanchez M,Ester Celis M

更新日期：2000-06-01 00:00:00

abstract：:The effects of dipeptide cyclo-[His-Pro] (CHP), known to participate in the appetite behavior and food intake control, have been investigated using PC12 cells in culture as model system. We found that only in the presence of experimental conditions that cause cellular stress the cyclic dipeptide affect cellular prolif...

journal_title：Peptides

authors： Minelli A,Bellezza I,Grottelli S,Pinnen F,Brunetti L,Vacca M

更新日期：2006-01-01 00:00:00

abstract：:A pancreatic ductal carcinoma was established as a transplantable tumor line in an inbred strain of Syrian golden hamsters. Intracellular recordings of membrane potentials and input resistance were made from cultured cells obtained from the transplanted tumors using indwelling glass microelectrode. The mean value of t...

journal_title：Peptides

authors： Ueda N,Suzuki Y,Utsumi M,Obara T,Okamura K,Namiki M

更新日期：1984-03-01 00:00:00

abstract：:Although several low amphipathic peptides have been known to exhibit antimicrobial activity, their mode of action has not been completely elucidated. In this study, using designed low amphipathic peptides that retain different alpha-helical content and hydrophobicity, we attempted to investigate the mechanism of these...

journal_title：Peptides

authors： Yamamoto N,Tamura A

更新日期：2010-05-01 00:00:00

abstract：:A linear peptide containing two reduced cysteine residues can be rapidly converted to its oxidized cyclic form containing an intramolecular disulfide bond by adding an excess of 2,2'-bispyridyl disulfide (2,2'-dipyridyl disulfide or 2,2'-dithiodipyridine) to conventional buffer solutions. The reactants and products ar...

journal_title：Peptides

authors： Maruyama K,Nagasawa H,Suzuki A

更新日期：1999-01-01 00:00:00

abstract：:The distribution of galanin-like immunoreactivity in the brain of the dogfish Scyliorhinus canicula was investigated using the indirect immunofluorescence technique. In the telencephalon, positive cells and fibers were located in the mid-caudal part of the area superficialis basalis, the n. septi caudoventralis and in...

journal_title：Peptides

authors： Vallarino M,Feuilloley M,Vandesande F,Vaudry H

更新日期：1991-03-01 00:00:00

abstract：:The peptidome of the central nervous system of adult cabbage root fly, Delia radicum (L) was investigated using matrix assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF MS). Over twenty neuropeptides were identified from three different tissue sources, the combined brain/suboesophageal g...

journal_title：Peptides

authors： Audsley N,Matthews HJ,Down RE,Weaver RJ

更新日期：2011-03-01 00:00:00

abstract：:The in vitro activity of six polycationic peptides, buforin II, cecropin P1, indolicidin, magainin II, nisin, and ranalexin, were evaluated against several clinical isolates of gram-positive and gram-negative aerobic bacteria, yeasts, Pneumocystis carinii and Cryptosporidium parvum, by using microbroth dilution method...

journal_title：Peptides

authors： Giacometti A,Cirioni O,Barchiesi F,Del Prete MS,Scalise G

更新日期：1999-11-01 00:00:00

abstract：:We studied circulating levels of endothelin-1, catecholamines and nitric oxide after a mental arithmetic test in 14 patients with early ischemic lesions of the extremities due to systemic sclerosis and slightly impaired peripheral vascular flow. The test induced an increase (P<0.01) in blood pressure, heart rate, endo...

journal_title：Peptides

authors： Fontana F,Bernardi P,Lanfranchi G,Conti E,Spampinato S,Di Toro R,Bonafè F,Coccheri S

更新日期：2005-12-01 00:00:00

abstract：:The intracranial injection of an opioid antagonist (naloxone) caused aggregation of xanthophores in goldfish scales. This aggregating effect produced by naloxone was inhibited by an injection of methionine-enkephalin (M-ENK). M-ENK, when injected together with melatonin which normally produces aggregation of xanthopho...

journal_title：Peptides

authors： Satake N

更新日期：1980-04-01 00:00:00

abstract：:Rubiscolin-6 (YPLDLF) is a delta selective opioid peptide isolated from the enzymatic digests of ribulose bisphosphate carboxylase/oxygenase (Rubisco) from spinach leaves. In a step-through type passive avoidance test in ddY mice, rubiscolin-6 enhanced memory consolidation at doses of 3nmol/mouse after intracerebroven...

journal_title：Peptides

authors： Yang S,Kawamura Y,Yoshikawa M

更新日期：2003-02-01 00:00:00