Comparison of synenkephalin and methionine enkephalin immunocytochemistry in rat brain.

abstract：:Selective GLP-1 secretagogues represent a novel potential therapy for type 2 diabetes mellitus. This study examined the GLP-1 secretory activity of the ethnomedicinal plant, Fagonia cretica, which is postulated to possess anti-diabetic activity. After extraction and fractionation extracts and purified compounds were t...

journal_title：Peptides

authors： Jafri L,Saleem S,Calderwood D,Gillespie A,Mirza B,Green BD

更新日期：2016-04-01 00:00:00

abstract：:NLP-12a and b have been identified as cholecystokinin/sulfakinin-like neuropeptides in the free-living nematode Caenorhabditis elegans. They are suggested to play an important role in the regulation of digestive enzyme secretion and fat storage. This study reports on the identification and characterization of an NLP-1...

journal_title：Peptides

authors： Peeters L,Janssen T,De Haes W,Beets I,Meelkop E,Grant W,Schoofs L

更新日期：2012-03-01 00:00:00

abstract：:Pea albumin 1F (PA1F), a plant peptide isolated from pea seeds, can dramatically increase blood glucose concentration by subcutaneous injection with a dosage of 5 or 10 microg/g (body weight) in normal and type II diabetic mice (KK/upj-Ay). The voltage-dependent anion channel 1 (VDAC-1) has been identified as the PA1F...

journal_title：Peptides

authors： Dun XP,Li FF,Wang JH,Chen ZW

更新日期：2008-06-01 00:00:00

abstract：:This study was performed to identify the efferents of the dorsal raphe nucleus (DRN), particularly in regard to nociception. Phaseolus vulgaris leucoagglutinin (PHA-L) was microiontophoresed into the DRN and visualized immunocytochemically; PHA-L-immunoreactive (-IR) fibers and terminals were identified in the forebra...

journal_title：Peptides

authors： Sim LJ,Joseph SA

更新日期：1993-01-01 00:00:00

abstract：:A non-specific lipid transfer peptide (nsLTP) with antimicrobial activity was isolated from the mung bean (Phaseolus mungo) seeds. The procedure entailed aqueous extraction, ion exchange chromatography on CM-Sephadex and high performance liquid chromatography (HPLC) on POROS-HS-20. The peptide exhibited a molecular ma...

journal_title：Peptides

authors： Wang SY,Wu JH,Ng TB,Ye XY,Rao PF

更新日期：2004-08-01 00:00:00

abstract：:Ad lib and intraoral intake tests can separate the effects of drugs on the appetitive and consummatory phases of ingestive behavior. Central angiotensin II increases ad lib intake from water bottles, but its effect on intraoral intake has not been examined. Rats with both lateral intracerebroventricular (i.c.v.) cannu...

journal_title：Peptides

authors： Houpt TA,Corp ES,Berlin R

更新日期：1998-01-01 00:00:00

abstract：:The neuropeptide Y system is known to have expanded in early vertebrate evolution. Three neuropeptide Y receptors have been proposed to have existed before the two basal vertebrate tetraploidizations, namely a Y1-like, a Y2-like, and a Y5-like receptor, with their genes in the same chromosomal region. Previously we ha...

journal_title：Peptides

authors： Xu B,Sundström G,Kuraku S,Lundell I,Larhammar D

更新日期：2013-01-01 00:00:00

abstract：:Combined modulation of peptide hormone receptors including, glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP) and xenin, have established benefits for the treatment of diabetes. The present study has assessed the biological actions and therapeutic efficacy of a novel exendin-4/xenin-8...

journal_title：Peptides

authors： Hasib A,Ng MT,Khan D,Gault VA,Flatt PR,Irwin N

更新日期：2018-02-01 00:00:00

abstract：:Vasoactive intestinal peptide (VIP) enhances angiogenesis in rats with focal cerebral ischemia. In the present study, we investigated the molecular mechanism of the proangiogenic action of VIP using an in vitro ischemic model, in which rat brain microvascular endothelial cells (RBMECs) are subjected to oxygen and gluc...

journal_title：Peptides

authors： Yang J,Shi QD,Song TB,Feng GF,Zang WJ,Zong CH,Chang L

更新日期：2013-04-01 00:00:00

abstract：:A retrograde facilitation has been demonstrated in the one trial step-down inhibitory avoidance of melanin-concentrating hormone (MCH), when it was infused into rat hippocampal formation. Considering the high density of specific binding sites for the MCH peptide on the hippocampus and the participation of this structu...

journal_title：Peptides

authors： Varas M,Pérez M,Ramírez O,de Barioglio SR

更新日期：2002-01-01 00:00:00

abstract：:An antifungal peptide with a molecular mass of 9412 and an N-terminal sequence exhibiting notable homology to those of lipid transfer proteins was isolated from seeds of the vegetable Brassica campestris. The purification protocol entailed ion exchange chromatography on Q-Sepharose, affinity chromatography on Affi-gel...

journal_title：Peptides

authors： Lin P,Xia L,Ng TB

更新日期：2007-08-01 00:00:00

abstract：:Although renin, the rate-limiting enzyme of the renin-angiotensin system (RAS), was first discovered by Robert Tigerstedt and Bergman more than a century ago, the research on the RAS still remains stronger than ever. The RAS, once considered to be an endocrine system, is now widely recognized as dual (circulating and ...

journal_title：Peptides

authors： Zhuo JL,Li XC

更新日期：2011-07-01 00:00:00

abstract：:Cellular actions of nociceptin/orphanin FQ (N/OFQ) resemble those of micro-, delta-, and kappa-opioids, i.e. activation of inwardly rectifying K(+) conductance, inhibition of high-voltage-activated Ca(2+) channel currents, and impediment of neurotransmitter release. Differences in ORL(1) and micro-receptor distributio...

journal_title：Peptides

authors： Moran TD,Abdulla FA,Smith PA

更新日期：2000-07-01 00:00:00

abstract：:The presence of immunoreactive endothelin (IR-ET) in human saliva and rat parotid gland was investigated by radioimmunoassay. The IR-ET concentration (mean +/- SEM) in saliva taken from normal volunteers was 2.0 +/- 0.2 pmol/l (n = 15). The IR-ET concentration in rat parotid gland was 19.2 +/- 2.2 fmol/g wet weight (n...

journal_title：Peptides

authors： Lam HC,Takahashi K,Ghatei MA,Suda K,Kanse SM,Bloom SR

更新日期：1991-07-01 00:00:00

abstract：:The presence of a putative GRP receptor on rat pancreatic particulate membranes was demonstrated by covalent cross-linking to 125I-gastrin releasing peptide (GRP), which revealed a radioactive band with Mr = 80-90 kDa on reduced SDS-PAGE. Fresh rat pancreatic membranes contained a GRP receptor which was solubilized wi...

journal_title：Peptides

authors： Kane MA,Kelley K,Ross SE,Portanova LB

更新日期：1991-03-01 00:00:00

abstract：:The effect of proadrenomedullin N-terminal 20 peptide (PAMP) on the proliferative activity of rat zona glomerulosa (ZG) cells has been investigated. Dispersed rat ZG cells were cultured in vitro for 24 h and then exposed to PAMP for an additional 24 h, and the proliferation rate was assessed by the 5-bromo-2'-deoxyuri...

journal_title：Peptides

authors： Rebuffat P,Gottardo L,Malendowicz LK,Neri G,Nussdorfer GG

更新日期：2001-11-01 00:00:00

abstract：:Marine snails of the genus Conus (∼500 species) are tropical predators that produce venoms for capturing prey, defense and competitive interactions. These venoms contain 50-200 different peptides ("conotoxins") that generally comprise 7-40 amino acid residues (including 0-5 disulfide bridges), and that frequently cont...

journal_title：Peptides

authors： Zamora-Bustillos R,Rivera-Reyes R,Aguilar MB,Michel-Morfín E,Landa-Jaime V,Falcón A,Heimer EP

更新日期：2014-03-01 00:00:00

abstract：:The aspartic protease inhibitor (ATBI) purified from a Bacillus sp. is a potent inhibitor of several proteases including recombinant HIV-1 protease, pepsin, and fungal aspartic protease. In this study, we report the cloning, and over expression of a synthetic gene coding for ATBI in Escherichia coli and establish a pu...

journal_title：Peptides

authors： Vathipadiekal V,Umasankar PK,Patole MS,Rao M

更新日期：2010-01-01 00:00:00

abstract：:The conformation of insulin in the crystalline state has been known for more than 30 years but there remains uncertainty regarding the biologically active conformation and the structural features that constitute the receptor-binding domain. The primary structure of insulin has been determined for at least 100 vertebra...

journal_title：Peptides

authors： Conlon JM

更新日期：2001-07-01 00:00:00

abstract：:Oxytocin receptors have recently been demonstrated in human osteoblast-like (hOB) cells. In this study, oxytocin 100-1000 pmol/l increased cell proliferation of primary cultures of hOB cells, measured by [3H]thymidine incorporation, (P<0.01). In human osteosarcoma cell-line (SaOS-2), oxytocin 100 pmol/l increased cell...

journal_title：Peptides

authors： Petersson M,Lagumdzija A,Stark A,Bucht E

更新日期：2002-06-01 00:00:00

abstract：:Somatostatin is reported in a new population of human sweat duct cells. The epithelial content of somatostatin-like immunoreactivity in normal human skin from various sites of the body was investigated using indirect immunofluorescence. With this methodology we found round-to-oval somatostatin-immunoreactive cells sit...

journal_title：Peptides

authors： Johansson O,Hilliges M,Wang L

更新日期：1993-03-01 00:00:00

abstract：:Male Holtzman albino and Long-Evans hooded rats were administered one microgram of arginine vasopressin (AVP) or a placebo each day after the acquisition trials of a visual white-black discrimination. Animals were then trained in the reversal of the discrimination. Performance was assessed by the number of trials to c...

journal_title：Peptides

authors： Tinius TP,Beckwith BE,Oltmanns D

更新日期：1989-01-01 00:00:00

abstract：:Sympathetic neurotransmitter neuropeptide Y (NPY) is associated with vascular remodelling, neointimal hyperplasia and atherosclerosis in experimental animal models and clinical studies. In order to study the role of sympathetic nerve-produced NPY in vascular diseases, transgenic mouse model overexpressing NPY in centr...

journal_title：Peptides

authors： Ruohonen ST,Abe K,Kero M,Toukola L,Ruohonen S,Röyttä M,Koulu M,Pesonen U,Zukowska Z,Savontaus E

更新日期：2009-04-01 00:00:00

abstract：:The presence of the proenkephalin A-derived peptide Met5-enkephalin-Arg6-Gly7-Leu8 was demonstrated throughout the human gastrointestinal tract. Highest concentrations of Met5-enkephalin-Arg6-Gly7-Leu8, as assessed by radioimmunoassay, were measured in the separated muscularis externa, while lower levels were found in...

journal_title：Peptides

authors： Ferri GL,Morreale RA,Dockray GJ

更新日期：1986-09-01 00:00:00

abstract：:Angiotensin II (Ang II) is an oligopeptide of the renin-angiotensin system, and Ang II-induced vascular smooth muscle cell (VSMC) proliferation is an important pathophysiological process involved in atherosclerosis; however, the underlying mechanism remains unclear. Orai1 and Stim1 are the main components of store-ope...

journal_title：Peptides

authors： Liu B,Zhang B,Roos CM,Zeng W,Zhang H,Guo R

更新日期：2020-11-01 00:00:00

abstract：:Rats with dorsomedial hypothalamic lesions (DMN-L) or sham operations were injected IP with saline or the satiety peptide cholecystokinin (CCK) at 3.0 and 6.0 micrograms/kg at the onset of the dark phase. Food consumption was then measured 15, 30 and 60 min later. Compared to saline baseline intake, CCK suppressed fee...

journal_title：Peptides

authors： Bellinger LL,Bernardis LL

更新日期：1984-05-01 00:00:00

abstract：:Herein the effect of orexin receptor type-1 antagonist SB-334867 on the development of tolerance to analgesic effects of morphine was studied in rats. To incite tolerance, morphine sulfate was injected intraperitoneally (i.p., 10mg/kg) once a day for 7 days. The tail flick test was used to evaluate antinociceptive eff...

journal_title：Peptides

authors： Ranjbar-Slamloo Y,Azizi H,Fathollahi Y,Semnanian S

更新日期：2012-05-01 00:00:00

abstract：:Adrenomedullin (ADM) is a hypotensive peptide, originally isolated from human pheochromocytomas, and then found to be widely distributed in the various body systems. ADM derives from preproadrenomedullin, a 185-amino acid residue prohormone, containing at its N-terminal a 20-amino acid sequence, named proadrenomedulli...

journal_title：Peptides

authors： Nussdorfer GG,Rossi GP,Mazzocchi G

更新日期：1997-01-01 00:00:00

abstract：:The present status of our understanding of the feedback regulation of pancreatic secretion by peptide YY (PYY) released from the distal intestine is reviewed. Exocrine pancreatic secretion is primarily controlled by the cephalic (the vagus nerve), gastric (acid and pepsin secretion, and nutrients delivered into the du...

journal_title：Peptides

authors： Naruse S,Kitagawa M,Ishiguro H,Hayakawa T

更新日期：2002-02-01 00:00:00

abstract：:Intrathecal injection of mice with substance P (SP) or its C-terminal fragments results in a behavioral syndrome characterized by reciprocal caudally directed biting and scratching. Repeated injection of SP, but not SP C-terminal fragments, results in a decrease in the intensity of, or desensitization to, these SP-ind...

journal_title：Peptides

authors： Igwe OJ,Sun X,Larson AA

更新日期：1990-07-01 00:00:00