Alteration of NPY and Y1 receptor in dorsomedial and ventromedial areas of hypothalamus in anorectic tumor-bearing rats.

abstract：:Motilin is a regulatory polypeptide of 22 amino acid residues and orginates in motilin cells scattered in the duodenal epithelium of most mammals and chickens. Motilin is released into the general circulation at about 100-min intervals during the interdigestive state and is the most important factor in controlling the...

journal_title：Peptides

authors： Itoh Z

更新日期：1997-01-01 00:00:00

abstract：:An antiserum directed against the COOH-terminal region of neuropeptide K-(1-24)-peptide that shows only 0.5% reactivity with neuropeptide K has been used in radioimmunoassay to study the posttranslation processing of human beta-preprotachykinin. A primary midgut carcinoid tumor contained high concentration of substanc...

journal_title：Peptides

authors： Conlon JM,Deacon CF,Grimelius L,Cedermark B,Murphy RF,Thim L,Creutzfeldt W

更新日期：1988-07-01 00:00:00

abstract：:beta-Lactotensin (beta-LT) is a bioactive peptide derived from bovine milk beta-lactoglobulin and is a natural ligand for neurotensin receptors. We examined the effect of beta-LT on restraint stress and fear memory in mice. Mice subjected to acute restraint stress exhibited a decreased number of head-dips and increase...

journal_title：Peptides

authors： Yamauchi R,Wada E,Yamada D,Yoshikawa M,Wada K

更新日期：2006-12-01 00:00:00

abstract：:Recent refinements in methodology now permit the study of endogenous peptide hormones in their individual target cells. The investigations reported here deal with the question of whether endogenous ACTH can be detected in its target cells in the highly active adrenal gland of the normally lactating rat. This question ...

journal_title：Peptides

authors： Nolin JM

更新日期：1980-10-01 00:00:00

abstract：:Using Surface Plasmon Resonance (SPR) we investigated the interaction of seven neuropeptides with different characteristics and beta-amyloid (Abeta42) peptide, with membranes containing gangliosides. A wide range of affinities characterized the bindings (K(D) = 10(-3)- 10(-7) M), following the scheme: for GM1, Abeta42...

journal_title：Peptides

authors： Valdes-Gonzalez T,Inagawa J,Ido T

更新日期：2001-07-01 00:00:00

abstract：:We investigated the plasma concentration of ghrelin peptide during pregnancy and lactation in rats. Plasma ghrelin levels on days 10 and 15 of pregnancy were significantly lower than those of the non-pregnant rats. Thereafter, the plasma ghrelin levels on day 20 of pregnancy sharply increased to levels comparable with...

journal_title：Peptides

authors： Shibata K,Hosoda H,Kojima M,Kangawa K,Makino Y,Makino I,Kawarabayashi T,Futagami K,Gomita Y

更新日期：2004-02-01 00:00:00

abstract：:We administered prolactin-releasing peptide (PrRP) or anti-PrRP antiserum to goldfish in fresh water and analyzed their effects on prolactin and osmoregulatory mechanisms. The pituitary mRNA level of prolactin increased by PrRP but decreased by anti-PrRP. The rate of water inflow in the gills decreased by PrRP and inc...

journal_title：Peptides

authors： Fujimoto M,Sakamoto T,Kanetoh T,Osaka M,Moriyama S

更新日期：2006-05-01 00:00:00

abstract：:Antimicrobial peptides (AMPs) and mucins are components of airway secretions and both contribute to the innate host defense system. At neutral pH, AMPs are positively charged, mucins negatively. It was the aim of the study to test whether these opposite charges result in interactions between AMPs and mucins. We measur...

journal_title：Peptides

authors： Felgentreff K,Beisswenger C,Griese M,Gulder T,Bringmann G,Bals R

更新日期：2006-12-01 00:00:00

abstract：:Urocortin is a newly identified member of the CRF neuropeptide family. Urocortin has been found to bind with high affinity to CRF receptors. The present study investigated urocortin and CRF receptor expression in human colonic mucosa. Non-pathologic sections of adult colorectal tissues were obtained from patients with...

journal_title：Peptides

authors： Muramatsu Y,Fukushima K,Iino K,Totsune K,Takahashi K,Suzuki T,Hirasawa G,Takeyama J,Ito M,Nose M,Tashiro A,Hongo M,Oki Y,Nagura H,Sasano H

更新日期：2000-12-01 00:00:00

abstract：:In this study we investigated the role that dopaminergic pathways play in the miotic effect exerted by neurotensin after intracameral administration. Neurotensin was injected into the anterior chamber (AC) at a dose of 30 micrograms to 4 groups of albino rabbits which had previously undergone the following treatment: ...

journal_title：Peptides

authors： Tassorelli C,Spampinato D,Caruso P,Cavaliere S,Micieli G,Drago F,Nappi G

更新日期：1990-11-01 00:00:00

abstract：:We investigated the effect of synthetic antimicrobial decapeptide KSL-W (KKVVFWVKFK) on normal human gingival fibroblast growth, migration, collagen gel contraction, and α-smooth muscle actin protein expression. Results show that in addition to promoting fibroblast adhesion by increasing F-actin production, peptide KS...

journal_title：Peptides

authors： Park HJ,Salem M,Semlali A,Leung KP,Rouabhia M

更新日期：2017-07-01 00:00:00

abstract：:Recent pharmacological data strongly support the hypothesis of delta receptor subtypes as mediators of both supraspinal and spinal antinociception (delta 1 and delta 2 receptors). In vitro ligand binding data, which are fully supportive of the in vivo data, are still lacking. A previous study indicated that [3H][D-Ala...

journal_title：Peptides

authors： Xu H,Partilla JS,de Costa BR,Rice KC,Rothman RB

更新日期：1992-11-01 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：:Peptic digestion of bovine hemoglobin at low degree of hydrolysis yields an intermediate peptide fraction exhibiting antibacterial activity against Micrococcus luteus A270, Listeria innocua, Escherichia coli and Salmonella enteritidis after separation by reversed-phase HPLC. From this fraction a pure peptide was isola...

journal_title：Peptides

authors： Daoud R,Dubois V,Bors-Dodita L,Nedjar-Arroume N,Krier F,Chihib NE,Mary P,Kouach M,Briand G,Guillochon D

更新日期：2005-05-01 00:00:00

abstract：:This study aims to examine the antidepressant-like action of Ghrelin (Ghr), a hormone synthesized predominantly by gastrointestinal endocrine cells and released during periods of negative energy balance, in two behavioral models: tail suspension test (TST), a predictive model of antidepressant activity, and the olfact...

journal_title：Peptides

authors： Carlini VP,Machado DG,Buteler F,Ghersi M,Ponzio MF,Martini AC,Schiöth HB,de Cuneo MF,Rodrigues AL,de Barioglio SR

更新日期：2012-06-01 00:00:00

abstract：:Endothelin-1 may contribute to bronchial smooth muscle constriction and airway remodelling in asthma, where bronchial epithelial cells represent an important source of this peptide. We report here that asthmatic bronchial epithelial cells exposed to allergens in vitro induce the differentiation of airway fibroblasts i...

journal_title：Peptides

authors： Sun G,Stacey MA,Bellini A,Marini M,Mattoli S

更新日期：1997-01-01 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：:The biosynthetic activity of rat intermediate lobe melanotropes in vivo is inhibited by stimulation of dopamine D2 receptors. Individual melanotropes are innervated differentially by dopaminergic axons and vary in their levels of pro-opiomelanocortin (POMC) mRNA. We tested the hypothesis that placement of the lobe in ...

journal_title：Peptides

authors： Beatty DM,Morris SJ,Chronwall BM

更新日期：1998-01-01 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：:A myomodulin peptide has been suggested to mediate the response of the giant glial cells to stimulation of the Leydig interneuron in the central nervous system of the leech Hirudo medicinalis [Eur. J. Neurosci. 11 (1999) 3125]. We have now studied the glial response to the endogenous leech MM peptide (GMGALRL-NH(2), M...

journal_title：Peptides

authors： Britz FC,Deitmer JW

更新日期：2002-12-01 00:00:00

abstract：:Trefoil factors family 2 (TFF2), also known as spasmolytic polypeptide, is primarily expressed in the mucus neck cells of gastrointestinal tracts. It has been proposed that TFF2 plays an important physiological role in protection, repair, and healing of gastrointestinal mucosa. To investigate the cis-acting regulatory...

journal_title：Peptides

authors： Chi AL,Lim S,Wang TC

更新日期：2004-05-01 00:00:00

abstract：:Mustard oil, which stimulates small diameter afferents, was used to evoke the expression of the oncogene c-fos in the lumbar spinal cord. C-fos-like immunoreactivity was concentrated in, but not limited to, neuronal nuclei of laminae I and II of the lumbar dorsal horn. Double-label immunocytochemistry was used to dete...

journal_title：Peptides

authors： Pretel S,Piekut DT

更新日期：1991-11-01 00:00:00

abstract：:A novel peptide hormone, atrial natriuretic factor (ANF), was recently isolated and characterized in mammalian atria. This hormone has potent natriuretic diuretic and vasorelaxant activities. Since ANF bioactivity was initially found in atria but not in ventricles, it was assumed that the ANF gene is specifically expr...

journal_title：Peptides

authors： Nemer M,Lavigne JP,Drouin J,Thibault G,Gannon M,Antakly T

更新日期：1986-11-01 00:00:00

abstract：:The somatostatin analogs D-Phe-Cys-D-Trp-Lys-Thr-Cys-Thr and the corresponding penicillamine compounds have been prepared and tested for their ability to displace [3H]naloxone and [3H] [D-Ala2, D-Leu5]enkephalin from rat brain receptors. While somatostatin and the cystine containing peptide displayed little or no pref...

journal_title：Peptides

authors： Pelton JT,Gulya K,Hruby VJ,Duckles S,Yamamura HI

更新日期：1985-01-01 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：:Milk is the best, complete food important for the development and nourishment of a neonate. Except for nutrients, milk contains biologically active opioid peptides derived from beta-casein, named beta-casomorphins (BCMs), which can exert effects in the gastrointestinal tract as well as in the whole body of neonates. T...

journal_title：Peptides

authors： Jarmołowska B,Sidor K,Iwan M,Bielikowicz K,Kaczmarski M,Kostyra E,Kostyra H

更新日期：2007-10-01 00:00:00

abstract：:In vitro pepsin treatment of plasma proteins generates biologically active peptides such as enkephalin-related peptides. These peptides were characterized using chromatographic techniques along with a radioimmunoassay procedure involving the use of Leu-enkephalin and Met-enkephalin antisera. Serum albumin is the only ...

journal_title：Peptides

authors： Garreau I,Pejoan C,Bressollier P,Verneuil B,Cucumel K,Cupo A

更新日期：1994-01-01 00:00:00

abstract：:The cholecystokinin receptor-type 1 (CCK1R) is a G-protein coupled receptor localized in the animal gastrointestinal tract. Receptor activation by the natural peptide ligand CCK leads to a feeling of satiety. In this study, hydrolysates from soy and milk proteins were evaluated for their potential to activate the CCK1...

journal_title：Peptides

authors： Staljanssens D,Van Camp J,Billiet A,De Meyer T,Al Shukor N,De Vos WH,Smagghe G

更新日期：2012-03-01 00:00:00

abstract：:Bradykinin-potentiating peptides from Bothrops jararaca (Bj) discovered in the early 1960s, were the first natural inhibitors of the angiotensin-converting enzyme (ACE). These peptides belong to a large family of snake venom proline-rich oligopeptides (PROs). One of these peptides, Bj-PRO-9a, was essential for definin...

journal_title：Peptides

authors： Morais KL,Ianzer D,Miranda JR,Melo RL,Guerreiro JR,Santos RA,Ulrich H,Lameu C

更新日期：2013-10-01 00:00:00

abstract：:The effects of proadrenomedullin N-terminal 20 peptide (PAMP) and adrenotensin (ADT) on adrenomedullin (ADM)-induced vasodilation were investigated in aortic rings from rat. ADM (10(-9) to 10(-7)M) relaxed the aorta preconstricted with phenylephrine in a concentration-dependent manner. Denudation of endothelium or pre...

journal_title：Peptides

authors： Li J,Ren Y,Dong X,Zhong G,Wu S,Tang C

更新日期：2003-04-01 00:00:00