Met-enkephalin concentrations in striatum respond reciprocally to alterations in dopamine neurotransmission.

abstract：:Pacifastin-like protease inhibitors belong to a recent classified protease inhibitor family and they are the smallest protease inhibitors described in animals. In this work, we purified and characterized, for the first time, two neutrophil elastase inhibitors belonging to the pacifastin family from the blood sucking i...

journal_title：Peptides

authors： de Marco R,Lovato DV,Torquato RJ,Clara RO,Buarque DS,Tanaka AS

更新日期：2010-07-01 00:00:00

abstract：:The antinociceptive effect of i.t.-administered Tyr-d-Arg-Phe-β-Ala (TAPA), an N-terminal tetrapeptide analog of dermorphin, was characterized in ddY mice. In the mouse tail-flick test, TAPA administered i.t. produced a potent antinociception. The antinociception induced by TAPA was significantly attenuated by i.t. pr...

journal_title：Peptides

authors： Mizoguchi H,Kon-No T,Watanabe H,Watanabe C,Yonezawa A,Sato T,Sakurada T,Sakurada S

更新日期：2013-12-01 00:00:00

abstract：:Crude extracts of the marine sponge Geodia corticostylifera from Brazilian Coast have previously shown antibacterial, antifungal, cytotoxic, haemolytic and neurotoxic activities. The present work describes the isolation of the cyclic peptides geodiamolides A, B, H and I (1-4) from G. corticostylifera and their anti-pr...

journal_title：Peptides

authors： Rangel M,Prado MP,Konno K,Naoki H,Freitas JC,Machado-Santelli GM

更新日期：2006-09-01 00:00:00

abstract：:Neural input to distinct and separate populations of CRF-immunoreactive (ir) neurons in rat forebrain was investigated. The relationship of opiocortin and/or catecholamine fibers to different groups of CRF-containing neurons was elucidated using single and dual labeling immunocytochemical procedures. Antibodies to CRF...

journal_title：Peptides

authors： Hornby PJ,Piekut DT

更新日期：1989-11-01 00:00:00

abstract：:The goal of our study was to explore the effect of social isolation stress of varying durations on the plasma oxytocin (OT), messenger ribonucleic acid (mRNA) for oxytocin receptor (OTR), plasma arginine vasopressin (AVP) and mRNA for V1a receptor of AVP (V1aR) expression in the hypothalamus and heart of socially mono...

journal_title：Peptides

authors： Pournajafi-Nazarloo H,Kenkel W,Mohsenpour SR,Sanzenbacher L,Saadat H,Partoo L,Yee J,Azizi F,Carter CS

更新日期：2013-05-01 00:00:00

abstract：:Lipocalin-2 (LCN-2), a peptide with diverse expression pattern, has been identified as a biomarker of various diseases as well as a factor contributing to inflammatory responses associated with excess adiposity and ensuing metabolic disorders. Although the inter-relationship between LCN-2 and excess adiposity is incre...

journal_title：Peptides

authors： Singh RG,Nguyen NN,Cervantes A,Kim JU,Stuart CE,Petrov MS

更新日期：2019-09-01 00:00:00

abstract：:The localization of CCK8-, bombesin- and VIP-like immunoreactivities in the myenteric plexus of the guinea pig small intestine has been studied by radioimmunoassay of extracts of longitudinal muscle strips obtained with and without adherent myenteric plexus; concentrations were compared with those in other regions of ...

journal_title：Peptides

authors： Hutchison JB,Dimaline R,Dockray GJ

更新日期：1981-04-01 00:00:00

abstract：:Bradykinin (BK) has been proposed as the principal mediator of hypersensitivity reactions (HSR) in patients dialyzed using negatively charged membranes and concomitantly treated with angiotensin-converting enzyme (ACE) inhibitors. We investigated the metabolism of exogenous BK added to the sera of 13 patients dialyzed...

journal_title：Peptides

authors： Blais C Jr,Marc-Aurèle J,Simmons WH,Loute G,Thibault P,Skidgel RA,Adam A

更新日期：1999-01-01 00:00:00

abstract：:The leucosulfakinins (LSKs), isolated from head extracts of the cockroach Leucophaea maderae, are sulfated neuropeptides with homology to gastrin and cholecystokinin. The undecapeptide LSK and decapeptide LSK-II stimulate contractions of the isolated cockroach hindgut. Several structural aspects of the two gastrin/CCK...

journal_title：Peptides

authors： Nachman RJ,Holman GM,Haddon WF

更新日期：1988-01-01 00:00:00

abstract：:Peptides of the adipokinetic hormone (AKH)/red pigment-concentrating hormone (RPCH) family were isolated and sequenced from the retrocerebral corpora cardiaca of four kissing bugs which are all vectors of the protozoan Trypanosoma cruzi responsible for Chagas' disease. The sequence of three novel AKHs were deduced fro...

journal_title：Peptides

authors： Marco HG,Simek P,Clark KD,Gäde G

更新日期：2013-03-01 00:00:00

abstract：:Hypocretin-1 (hcrt-1) and hypocretin-2 (hcrt-2) are two recently discovered hypothalamic neuropeptides. In the present study, using double immunofluorescent techniques, the co-localization of hcrt-1 and hcrt-2 was examined in neuronal soma and fibers/terminals located, respectively, in the cat hypothalamus and brainst...

journal_title：Peptides

authors： Zhang JH,Sampogna S,Morales FR,Chase MH

更新日期：2002-08-01 00:00:00

abstract：:A novel protein expressed by entero-endocrine cells of the mouse stomach was named prepromotilin Related Peptide (ppMTLRP) since it shares sequence similarities with the prepromotilin (Tomasetto et al.). The mouse ppMTLRP was found identical to the rat precursor of ghrelin (ppghrelin), an endogenous ligand specific fo...

journal_title：Peptides

authors： Tomasetto C,Wendling C,Rio MC,Poitras P

更新日期：2001-12-01 00:00:00

abstract：:Copeptin can reflect individual's stress state and are correlated with poor outcome of critical illness. The occurrence of postoperative delirium (POD) and cognitive dysfunction (POCD) is associated with worse outcome after coronary artery bypass graft (CABG) surgery. The present study aimed to investigate the ability...

journal_title：Peptides

authors： Dong S,Li CL,Liang WD,Chen MH,Bi YT,Li XW

更新日期：2014-09-01 00:00:00

abstract：:In the present study, the C-terminus of endomorphin (Tyr(1)-Pro(2)-Trp/Phe(3)-Phe(4)-NH(2), EMs) analogs [Xaa(4)-R]EMs, modified by substitution of a non-aromatic residue for Phe(4) and ending up with -NH-benzyl, were designed to generate an atypical conformationally constrained peptide set. We investigated the effect...

journal_title：Peptides

authors： Yu Y,Shao X,Wang CL,Liu HM,Cui Y,Fan YZ,Liu J,Wang R

更新日期：2007-04-01 00:00:00

abstract：:We tested the endogenous tripeptide TRH (thyrotropin releasing hormone) ability to bind to MC (melanocortin) receptor subtypes. We discovered that TRH binds to the human MCI receptor expressed in COS cells and to murine B16 melanoma cells with 5790+/-1010 nM and 6370+/-1260 nM Ki's, respectively. TRH did not bind to t...

journal_title：Peptides

authors： Schiöth HB,Prusis P,Muceniece R,Mutulis F,Mutule I,Wikberg JE

更新日期：1999-01-01 00:00:00

abstract：:N-hydroxysuccinimide (NHS) esters of biotin are reported to react specifically with amino groups of peptides and proteins. However, we have found that these reagents can readily acylate other functional groups in specific peptide sequences under relatively mild conditions. We have extended our inquiry of sequence-depe...

journal_title：Peptides

authors： Miller BT,Collins TJ,Rogers ME,Kurosky A

更新日期：1997-01-01 00:00:00

abstract：:Adrenomedullin (AM) is highly expressed in various cancer cell lines, suggesting a possible association with cancer growth. In the present study, we examined the expression and/or concentration of AM, its related peptide, adrenomedullin2/intermedin (AM2/IMD) and their receptors in human colorectal cancer and the surro...

journal_title：Peptides

authors： Hikosaka T,Tsuruda T,Nagata S,Kuwasako K,Tsuchiya K,Hoshiko S,Inatsu H,Chijiiwa K,Kitamura K

更新日期：2011-09-01 00:00:00

abstract：:This article is the eighteenth installment of our annual review of research concerning the opiate system. It includes articles published during 1995 reporting the behavioral effects of the opiate peptides and antagonists, excluding the purely analgesic effects. The specific topics covered this year include stress: tol...

journal_title：Peptides

authors： Olson GA,Olson RD,Kastin AJ

更新日期：1996-01-01 00:00:00

abstract：:By using specific antibodies and radioimmunological and immunohistochemical methods, we here show that neuropeptide FF (NPFF) occurs in cervical and lumbar dorsal root ganglia cells. Levels in the ganglia were low because they were detectable only after colchicine treatment or after unilateral dorsal rhizotomy. Simila...

journal_title：Peptides

authors： Allard M,Rousselot P,Lombard MC,Theodosis DT

更新日期：1999-01-01 00:00:00

abstract：:Skh-AMP1 (GRTSKQELCTWERGSVRQADKTIAG) is an antifungal peptide isolated from Satureja khuzistanica which has been shown to have strong antifungal activity against Aspergillus and Candida species, but no obvious hemolytic effects or cell cytotoxicity in vitro. In the present study, Skh-AMP1 was synthesized, and its mode...

journal_title：Peptides

authors： Khani S,Seyedjavadi SS,Hosseini HM,Goudarzi M,Valadbeigi S,Khatami S,Ajdary S,Eslamifar A,Amani J,Imani Fooladi AA,Razzaghi-Abyaneh M

更新日期：2020-01-01 00:00:00

abstract：:We examined the effect of adjuvant arthritis on the content of immunoreactive calcitonin gene-related peptide (iCGRP) in the dorsal root ganglia at L4-L6 levels and the spinal cord at a lumbar level in rats. Arthritis was induced by inoculating adjuvant into both hind-paws twice at a 10 day interval. In the arthritic ...

journal_title：Peptides

authors： Kuraishi Y,Nanayama T,Ohno H,Fujii N,Otaka A,Yajima H,Satoh M

更新日期：1989-03-01 00:00:00

abstract：:Antisauvagine-30 (aSVG) is the only high-affinity antagonist for the corticotropin-releasing factor (CRF) type 2 (CRF(2)) receptor. A structure-activity relationship study was performed to pinpoint residues conferring aSVG's selectivity. The aSVG-analogues being N-terminally extended by one or two residues or containi...

journal_title：Peptides

authors： Brauns O,Brauns S,Jenke M,Zimmermann B,Dautzenberg FM

更新日期：2002-10-01 00:00:00

abstract：:The effect of naturally occurring cannabinoids, delta 9-tetrahydrocannabinol (THC), cannabinol (CBN) and cannabidiol (CBD), on the brain receptors for thyrotropin releasing hormone (TRH) was investigated. TRH receptors were labeled with 3H-(3-MeHis2)TRH (3H-MeTRH). 3H-MeTRH bound specifically to rat brain membranes at...

journal_title：Peptides

authors： Bhargava HN,Gulati A

更新日期：1988-07-01 00:00:00

abstract：:We show here that crotamine, a polypeptide from the South American rattlesnake venom with cell penetrating and selective anti-fungal and anti-tumoral properties, presents a potent anti-plasmodial activity in culture. Crotamine inhibits the development of the Plasmodium falciparum parasites in a dose-dependent manner [...

journal_title：Peptides

authors： El Chamy Maluf S,Dal Mas C,Oliveira EB,Melo PM,Carmona AK,Gazarini ML,Hayashi MA

更新日期：2016-04-01 00:00:00

abstract：:Metabolism of orphanin FQ/nociceptin (OFQ/N) was studied in the spinal cord of rats. The heptadecapeptide was efficiently cleaved by a neutral serine endopeptidase, thus releasing the major metabolite, OFQ/N(1-11), further truncated to the final product, OFQ/N(1-6). Biologic activity of this latter fragment was tested...

journal_title：Peptides

authors： Suder P,Kotlinska J,Smoluch MT,Sällberg M,Silberring J

更新日期：1999-01-01 00:00:00

abstract：:Medium conditioned by a highly enriched population of gonadotrophs, cultured as reaggregates in the presence of 0.01 nM GnRH, was concentrated, separated on a reversed-phase HPLC column, and tested for activity on lactotroph development in pituitary reaggregate cell cultures of 14-day-old rats. The number of cells exp...

journal_title：Peptides

authors： Van Bael A,Vande Vijver V,Devreese B,Van Beeumen J,Denef C

更新日期：1996-01-01 00:00:00

abstract：:To investigate possible influences of growth hormone-releasing hormone (GHRH) and somatostatin (SRIF) on auditory perceptional processes, 12 subjects received either placebo (sodium chloride 0.9%), GHRH (50 micrograms), or SRIF (100 micrograms) on different days. Late auditory evoked potentials (AEP) were computed and...

journal_title：Peptides

authors： Hartmann A,Dietl T,Krumrey K,Vogl L,Dirlich G,Holsboer F,Heuser-Link M

更新日期：1995-01-01 00:00:00

abstract：:The aims of these studies were to determine the precise molecular nature of immunoreactive (IR-) vasopressin (AVP) in the ovine hypothalamo-pituitary axis and to examine a possible role for glucocorticoids in regulating both AVP processing and levels in this axis. The IR-AVP in extracts of paraventricular nucleus, med...

journal_title：Peptides

authors： Shen PJ,Clarke IJ,Funder JW,Smith AI

更新日期：1993-07-01 00:00:00

abstract：:Paramyosin of the pig-human parasite Taenia solium (TPmy) is a α-helical protein located on the worm surface that is suggested to fulfill an immunomodulatory role protecting the parasite against host immune system. Besides, in challenging experiments the protein shows a vaccine potential. These observations imply that...

journal_title：Peptides

authors： Gazarian KG,Solis CF,Gazarian TG,Rowley M,Laclette JP

更新日期：2012-03-01 00:00:00

abstract：:There is growing evidence of the antimicrobial properties of histones and histone-derived peptides; however, most of them are specific to lysine (Lys)-rich histones (H1, H2A, and H2B). In the present study, we focused on arginine (Arg)-rich histones (H3 and H4) and investigated their antimicrobial properties in compar...

journal_title：Peptides

authors： Tagai C,Morita S,Shiraishi T,Miyaji K,Iwamuro S

更新日期：2011-10-01 00:00:00