Decreased behavioral effects of daily intracerebroventricular bombesin.

abstract：:Cellular uptake of [125I] labelled DSIP at the luminal interface of the blood-brain barrier (BBB) was studied in the ipsilateral perfused in situ guinea pig forebrain. Regional unidirectional transfer constants (Kin) calculated from the multiple-time brain uptake analysis were 0.93, 1.33 and 1.66 microliter.min-1 g-1 ...

journal_title：Peptides

authors： Zlokovic BV,Susic VT,Davson H,Begley DJ,Jankov RM,Mitrovic DM,Lipovac MN

更新日期：1989-03-01 00:00:00

abstract：:Prothymosin alpha (ProTα), a nuclear protein, plays multiple functions including cell survival. Most recently, we demonstrated that the active 30-amino acid peptide sequence/P30 (amino acids 49-78) in ProTα retains its substantial activity in neuroprotection in vitro and in vivo as well as in the inhibition of cerebra...

journal_title：Peptides

authors： Halder SK,Sugimoto J,Matsunaga H,Ueda H

更新日期：2013-05-01 00:00:00

abstract：:We compared the effects of three micro-(DAMGO, DALDA, TNPO) and three delta-(DPDPE, DELT, SNC-80) opioid agonists on arterial blood gas after IV administration in awake sheep. None of the mu agonists altered pO2, pCO2 or pH. All three mu agonists decreased pO2 increased pCO2 and decreased pO2, and this effect was not ...

journal_title：Peptides

authors： Szeto HH,Soong Y,Wu D,Olariu N,Kett A,Kim H,Clapp JF

更新日期：1999-01-01 00:00:00

abstract：:Experiments characterized the behavioral effects of bombesin (BN) administered systemically (1-8 micrograms/kg; IP) or centrally at the nucleus tractus solitarius (NTS) and the nucleus accumbens (NA) (0.0001-1.0 microgram/0.5 microliter). The role of dopaminergic system(s) in the mediation of BN-induced behavioral eff...

journal_title：Peptides

authors： Johnston SA,Merali Z

更新日期：1988-01-01 00:00:00

abstract：:Concentrations of immunoreactive galanin were compared in eight gross brain regions of ovariectomized female rats treated with either estradiol, estradiol + progesterone, estradiol + norethisterone, or placebo. Higher concentrations with estradiol treatment compared with placebo were found in the pituitary (357%), fro...

journal_title：Peptides

authors： Rugarn O,Theodorsson A,Hammar M,Theodorsson E

更新日期：1999-01-01 00:00:00

abstract：:The definitive function of pancreatic polypeptide in mammalian physiology remains unknown. The identification of specific PP target tissues should be helpful to further investigations into the possible regulatory actions of this peptide. An in vivo radioreceptor assay was used in the rat to locate potential binding si...

journal_title：Peptides

authors： Shetzline MA,Zipf WB,Nishikawara MT

更新日期：1998-01-01 00:00:00

abstract：:The presence of alpha-hANP immunoreactive material in human heart and plasma was investigated with a specific and sensitive radioimmunoassay and immunohistochemical method. It was found that alpha-hANP immunoreactive staining of specific atrial granules was located around the nucleus of atrial cardiocytes. No immunore...

journal_title：Peptides

authors： Tang J,Song DL,Suen MZ,Xie CW,Chang D,Chang JK

更新日期：1986-01-01 00:00:00

abstract：:The pentapeptide pGlu-Asn-Cyt-Pro-Arg [AVP(4-8), termed ZNC(C)PR in this article] has been found as a metabolite of arginine-vasopressin (AVP) in rat brain and has been shown to have potent memory-enhancing activity and to yield a series of biochemical events in brain tissues. [35S]ZNC(C)PR was chemically synthesized ...

journal_title：Peptides

authors： Du YC,Wu JH,Jiang XM,Gu YJ

更新日期：1994-01-01 00:00:00

abstract：:Ceratotoxin A (CtxA), a 36-residue alpha-helical cationic peptide isolated from the medfly Ceratitis capitata, exhibits strong antibacterial activity. To determine its mode of action against bacteria, we investigated the behavior of ceratotoxin A by incorporating it into planar lipid bilayers. Macroscopic and single c...

journal_title：Peptides

authors： Saint N,Marri L,Marchini D,Molle G

更新日期：2003-11-01 00:00:00

abstract：:To investigate the contribution of the N-terminal sequence of h-EGF to its biological activity and the formation of three intramolecular disulfide bonds by oxidative refolding via air oxidation, five derivatives of h-EGF with a single N-terminal amino acid deletion were synthesized by solid-phase synthesis. The homoge...

journal_title：Peptides

authors： Shin SY,Shimizu M,Ohtaki T,Munekata E

更新日期：1995-01-01 00:00:00

abstract：:The Y5 receptor has been postulated to be the main receptor mediating NPY-induced food intake in rats, based on its pharmacological profile and mRNA distribution. To further characterize this important receptor subtype, we isolated the Y5 gene in the guinea pig, a widely used laboratory animal in which all other known...

journal_title：Peptides

authors： Lundell I,Eriksson H,Marklund U,Larhammar D

更新日期：2001-03-01 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：:The beta-casein-derived octapeptide RINKKIEK is a noncompetitive inhibitor of soybean lipoxygenase (LOX). To investigate the molecular determinants for the enzyme-peptide interaction, a peptide library containing substitutional analogs of RINKKIEK was prepared by SPOT synthesis and analyzed for interaction with fluore...

journal_title：Peptides

authors： Schurink M,van Berkel WJ,Wichers HJ,Boeriu CG

更新日期：2007-12-01 00:00:00

abstract：:Guinea pig VIP differs from VIP of several mammals by its amino acids in positions 5, 9, 19 and 26. We tested a) its ability to occupy VIP receptors in liver and lung membranes of rat and guinea pig and in the human lymphoblastic SUP-T1 cell line and b) the ensuing adenylate cyclase stimulation. In liver and lung memb...

journal_title：Peptides

authors： Cauvin A,Buscail L,Gourlet P,De Neef P,Robberecht P,Yanaihara N,Christophe J

更新日期：1991-01-01 00:00:00

abstract：:Trefoil factor family (TFF) 1, 2, and 3 is a mucin-associated protein involved in the maintenance of mucosal barrier and restitution of lining epithelial cells. In this study, the expression of TFF1, 2, and 3 and MUC mucins were examined immunohistochemically in hepatolithiasis and control livers. The expression of TF...

journal_title：Peptides

authors： Sasaki M,Ikeda H,Ohira S,Ishikawa A,Nakanuma Y

更新日期：2004-05-01 00:00:00

abstract：:Cone snails comprise approximately 700 species of venomous molluscs which have evolved the ability to generate multiple toxins with varied and exquisite selectivity. alpha-Conotoxin is a powerful tool for defining the composition and function of nicotinic acetylcholine receptors which play a crucial role in excitatory...

journal_title：Peptides

authors： Peng C,Han Y,Sanders T,Chew G,Liu J,Hawrot E,Chi C,Wang C

更新日期：2008-10-01 00:00:00

abstract：:BMAP-27, a member of cathelicidin family, plays an important role against microorganisms, including bacteria and fungi. BMAP-27 may exert antimicrobial effects through membrane integrity disruption, but the exact molecular mechanism remains unclear. To identify the structural features important for antimicrobial activ...

journal_title：Peptides

authors： Yang S,Lee CW,Kim HJ,Jung HH,Kim JI,Shin SY,Shin SH

更新日期：2019-08-01 00:00:00

abstract：:This report summarizes recent work on the chemistry and structure-activity relationships of crustacean chromatophorotropic pigment-dispersing hormones (PDHs) and the identification of structurally related peptides from insects. So far, the primary structures of crustacean alpha-PDH and beta-PDH and of a pigment-disper...

journal_title：Peptides

authors： Rao KR,Riehm JP

更新日期：1988-01-01 00:00:00

abstract：:Cholecystokinin octapeptides (CCK8s) have been purified from methanol extracts of two brains from each of two Australian marsupials, Tammar Wallaby and Eastern Quoll, containing 3 nmol and 2 nmol of the peptides, respectively. Immunoreactive CCK was concentrated on QMA SepPak cartridges and purified by two successive ...

journal_title：Peptides

authors： Fan ZW,Eng J,Shaw G,Yalow RS

更新日期：1988-03-01 00:00:00

abstract：:To determine the functional role for and the pharmacological specificity of developing gastrointestinal CCK receptors, in vitro pyloric contractility and autoradiographic CCK receptor binding were examined in pups aged 1-20 days. CCK contracted the gastroduodenal junction at all ages, while nonsulfated CCK-8 (d-CCK) w...

journal_title：Peptides

authors： Schwartz GJ,Moran TH,McHugh PR

更新日期：1990-11-01 00:00:00

abstract：:Using a radioimmunoassay against the C-terminal sequence Arg-Pro-NH2 (RPamide), we have isolated the peptide Leu-Pro-Pro-Gly-Pro-Leu-Pro-Arg-Pro-NH2 (Antho-RPamide) from an extract of the sea anemone Anthopleura elegantissima. Antho-RPamide is located in neurons of sea anemones. Application of low concentrations of An...

journal_title：Peptides

authors： Carstensen K,Rinehart KL,McFarlane ID,Grimmelikhuijzen CJ

更新日期：1992-09-01 00:00:00

abstract：:Native peptides can be regarded as surrogate markers for protease activity in biological samples. Analysis of peptides by peptidomics allows to monitor protease activity in vivo and to describe the influence of protease inhibition. To elucidate the potential of peptides as markers for in vivo protease inhibition we an...

journal_title：Peptides

authors： Tammen H,Hess R,Rose H,Wienen W,Jost M

更新日期：2008-12-01 00:00:00

abstract：:Salusins originally identified using bioinformatics analyses have been shown to act on the cardiovascular and endocrine systems. Although the hypotensive activity of salusin-alpha is limited, it exerts a significant anti-atherosclerotic effect via suppression of foam cell formation in human monocyte-derived macrophage...

journal_title：Peptides

authors： Sato K,Koyama T,Shichiri M

更新日期：2008-12-01 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：:C-type natriuretic peptide (CNP) was recently found in the myocardium, but possible insights into differences between atrium and ventricle production are so far lacking. Our aim was to evaluate, in an experimental model of pacing-induced heart failure (HF), plasma and tissue levels of CNP and mRNA expression of the pe...

journal_title：Peptides

authors： Del Ry S,Cabiati M,Lionetti V,Emdin M,Recchia FA,Giannessi D

更新日期：2008-12-01 00:00:00

abstract：:Pretreatment with opioid antagonists enhances acquisition of Pavlovian fear conditioning. The present experiments attempted to characterize the type of opioid receptor responsible for this effect using a procedure that assessed the fear of rats to a chamber previously associated with electric shock (1 mA, 0.75 s). Fre...

journal_title：Peptides

authors： Fanselow MS,Kim JJ,Young SL,Calcagnetti DJ,DeCola JP,Helmstetter FJ,Landeira-Fernandez J

更新日期：1991-09-01 00:00:00

abstract：:Spasmolytic polypeptide (SP) and intestinal trefoil factor (ITF) are trefoil peptides expressed by gut mucus cells. Using specific antisera we have quantified and characterized the molecular forms and distribution of these peptides in the rat gut. SP predominates in the gastric antrum as a 12 kDa form. ITF (7 kDa) is ...

journal_title：Peptides

authors： Taupin DR,Pang KC,Green SP,Giraud AS

更新日期：1995-01-01 00:00:00

abstract：:Vasopressin is one of the key regulators of the body's water and solute balance. When this balance is pathologically disturbed, determination of serum vasopressin concentrations might be a helpful tool for guiding therapy. However, due to its instability and considerable association to platelets, reliable measurement ...

journal_title：Peptides

authors： Struck J,Morgenthaler NG,Bergmann A

更新日期：2005-12-01 00:00:00

abstract：:The binding and internalization of a cytotoxic analogue of luteinizing hormone-releasing hormone (LH-RH), T-98 (agonist [D-Lys6]LH-RH linked to glutaryl-2-(hydroxymethyl)anthraquinone), by rat anterior pituitary cells was investigated. Analogue T-98 was bound to pituitary membrane binding sites for LH-RH with a high a...

journal_title：Peptides

authors： Szöke B,Horváth J,Halmos G,Rékási Z,Groot K,Nagy A,Schally AV

更新日期：1994-01-01 00:00:00

abstract：:The aim of the present study was to correlate the development of the renin angiotensin system (RAS) in the kidney of the rat with the development of genetic hypertension. Immature (1-week-old) and adult (12-week-old) normotensive Wistar-Kyoto (WKY) and spontaneously hypertensive kidney rats (SHR) were used for quantif...

journal_title：Peptides

authors： Correa FM,Viswanathan M,Ciuffo GM,Tsutsumi K,Saavedra JM

更新日期：1995-01-01 00:00:00