Isolation of two peptides from rat gonadotroph-conditioned medium displaying an amino acid sequence identical to fragments of secretogranin II.

abstract：:Antimicrobial peptides (AMPs) are believed to be a promising class of antimicrobial agents against bacteria and fungi. To promote the clinical use of AMPs, their antimicrobial activity and susceptibility to protease degradation should be further improved. The antimicrobial peptide Jelleine-I was originally isolated fr...

journal_title：Peptides

authors： Jia F,Zhang Y,Wang J,Peng J,Zhao P,Zhang L,Yao H,Ni J,Wang K

更新日期：2019-02-01 00:00:00

abstract：:Using a one-bottle taste aversion conditioning paradigm, sulfated cholecystokinin(26-33) (CCK-8) has again been shown to induce taste aversion conditioning in rats. Even though the effective doses of CCK-8 are relatively high, they do not induce as strong an aversion as has been demonstrated with LiCl. This pharmacody...

journal_title：Peptides

authors： Ervin GN,Mosher JT,Birkemo LS,Johnson MF

更新日期：1995-01-01 00:00:00

abstract：:A large body of evidence suggests a relationship between depression and coronary heart disease (CHD). Angiotensin-Ⅱ (Ang-Ⅱ) and angiotensin-(1-7) [Ang-(1-7)] are considered to exert biological effects in both conditions. Here, we aimed to determine the role of Ang-Ⅱ and Ang-(1-7) in the occurrence of comorbid depressi...

journal_title：Peptides

authors： Han W,Wei Z,Dang R,Guo Y,Zhang H,Geng C,Wang C,Feng Q,Jiang P

更新日期：2020-09-01 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：:Melanin-concentrating hormone (MCH) is a potent orexigenic and sleep-promoting neuropeptide in mammals produced predominately by hypothalamic neurons which project to a wide variety of brain areas. Several MCH producing neurons contain MCH as the only neuropeptide, while others comprise cocaine- and amphetamine regula...

journal_title：Peptides

authors： Jancsik V,Bene R,Sótonyi P,Zachar G

更新日期：2018-01-01 00:00:00

abstract：:Effects of pentobarbital, chlordiazepoxide and ethanol were studied alone and in combination with thyrotropin-releasing hormone (TRH), IM, on punished behavior. Key-peck responses of pigeons were maintained by food presentation under a fixed-interval 3-min schedule in which every 30th response produced shock. Moderate...

journal_title：Peptides

authors： Witkin JM,Sickle J,Barrett JE

更新日期：1984-07-01 00:00:00

abstract：:Unilateral intracerebroventricular (ICV) injections of a high dose of CCK7 have been reported to elicit barrel rotations accompanied by contralateral postural asymmetry; there was no spontaneous locomotor activity other than barrel rolling. The aim of the present study was to investigate the effects of lower doses of ...

journal_title：Peptides

authors： Morency MA,Ross GM,Hesketh D,Mishra RK

更新日期：1987-11-01 00:00:00

abstract：:The gastrin-releasing peptide receptor (GRPR) has been implicated in the modulation of emotionally-motivated memory. In the present study, we investigated the role of the GRPR on non-emotional, non-associative memory, and anxiety. Adult male Wistar rats were given a systemic injection of the GRPR antagonist [D-Tpi6, L...

journal_title：Peptides

authors： Martins MR,Reinke A,Valvassori SS,Machado RA,Quevedo J,Schwartsmann G,Roesler R

更新日期：2005-12-01 00:00:00

abstract：:Apelin and its receptor APJ are expressed in fetal tissues but their function and regulation remain largely unknown. In rat, maternal treatment with a nitric oxide synthase inhibitor inducing hypertension was used to investigate apelin plasma levels in mother/fetus pairs and on the gene expression level of the apelin/...

journal_title：Peptides

authors： Ivars J,Butruille L,Knauf C,Bouckenooghe T,Mayeur S,Vieau D,Valet P,Deruelle P,Lesage J

更新日期：2012-05-01 00:00:00

abstract：:Neuropeptide Y (NPY) induces feeding in previously satiated animals after injection into the hypothalamus, especially the perifornical region (PFH). NPY also appears to have rewarding properties as evidenced by its ability to produce a conditioned place preference following injection into the nucleus accumbens (N.Acc)...

journal_title：Peptides

authors： Brown CM,Fletcher PJ,Coscina DV

更新日期：1998-01-01 00:00:00

abstract：:The reperfusion injury salvage kinase (RISK) pathway is a fundamental signal transduction cascade in the cardioprotective mechanism of ischemic postconditioning. In the present study, we examined the cardioprotective role of oxytocin as a postconditioning agent via activation of the RISK pathway (PI3K/Akt and ERK1/2)....

journal_title：Peptides

authors： Polshekan M,Jamialahmadi K,Khori V,Alizadeh AM,Saeidi M,Ghayour-Mobarhan M,Jand Y,Ghahremani MH,Yazdani Y

更新日期：2016-12-01 00:00:00

abstract：:A method has been developed for the study of somatostatin (SS) binding to dissociated cells from rat cerebral cortex. Binding of [125I] [Tyr11]SS to cells obtained by mechanical dissociation of rat cerebral cortex was dependent on time and temperature, saturable, reversible and highly specific. Under conditions of equ...

journal_title：Peptides

authors： Colas B,Prieto JC,Arilla E

更新日期：1990-11-01 00:00:00

abstract：:HP-1 is the most abundant human representative of a recently discovered class of neutrophil cystine- and arginine-rich peptides. These peptides have many potentially regulatory activities expressed at nanomolar concentrations. To establish the levels of HP-1 that can accumulate in human lung tumors and nondiseased lun...

journal_title：Peptides

authors： Bateman A,Singh A,Jothy S,Fraser R,Esch F,Solomon S

更新日期：1992-01-01 00:00:00

abstract：:[125I]beta-endorphin bound to high affinity (Kd = 0.25 nM) receptors in the caudal dorsomedial medulla of rats with a Bmax of 97 fmol/mg protein. The relative potency for displacement of [125I]beta-endorphin binding was: beta-endorphin(1-31) > beta-endorphin(1-27) > DAMGO > naloxone > N-acetyl-beta-endorphin(1-31) > U...

journal_title：Peptides

authors： D'Souza MM,Carr JA

更新日期：1998-01-01 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：: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：: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：:To evaluate the effects of exogenous ghrelin or obestatin on intestinal injury and accompanying pulmonary injury, intestinal ischemia-reperfusion (I/R) was induced in rats by obstructing the superior mesenteric artery for 60min, whereas laparotomy was performed in the sham group. At the beginning of the 90-min reperfu...

journal_title：Peptides

authors： Şen LS,Karakoyun B,Yeğen C,Akkiprik M,Yüksel M,Ercan F,Özer A,Yeğen BÇ

更新日期：2015-09-01 00:00:00

abstract：:High affinity 125I-angiotensin II (Ang II) binding sites were characterized in the canine pancreas. Total binding increased with protein concentration and equilibrium was reached within 60-90 min at 22 degrees C. Specific binding was saturable and averaged 70% of total. Scatchard analysis of binding yielded a KD of 0....

journal_title：Peptides

authors： Chappell MC,Diz DI,Jacobsen DW

更新日期：1992-03-01 00:00:00

abstract：:The pineal nonapeptide hormone arginine vasotocin (AVT) (100 ng/kg) administered intra-nasally (IN) to healthy prepubertal boys, dramatically increased the amount of REM sleep, decreased REM sleep latency, and induced REM periods at sleep onset. Neither arginine vasopressin (AVP) nor oxytocin administered IN at the do...

journal_title：Peptides

authors： Pavel S,Goldstein R,Petrescu M,Popa M

更新日期：1981-10-01 00:00:00

abstract：:A newly developed system of isolated rat colonic epithelial cells was utilized for a comprehensive study of protein synthesis influenced by gastrin. We found that synthetic human gastrin (0.01-100 nM) increased the incorporation of [35S]methionine into proteins within 2 hours. Peak incorporation was observed with 10 n...

journal_title：Peptides

authors： Yassin RR,Clearfield HR,Katz SM,Murthy SN

更新日期：1991-01-01 00:00:00

abstract：:Mastoparan (MP) peptides, distributed in insect venoms, induce a local inflammatory response post envenomation. Most endogenous MPs share common structural elements within a tetradecapeptide sequence that adopts an amphipathic helix whilst traversing biological membranes and when bound to an intracellular protein targ...

journal_title：Peptides

authors： Howl J,Howl L,Jones S

更新日期：2018-03-01 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：:We produced and characterized three anti-C-flanking peptides of neuropeptide Y (CPON) monoclonal antibodies. The Ka for these antibodies ranged from 0.4 to 0.8 x 10(8) l/mol with an IC50 for CPON(1-30) at about 20 nM as determined by ELISA. All these antibodies are IgG1 and recognize the 16-30 part of CPON. These anti...

journal_title：Peptides

authors： Grouzmann E,Alvarez-Bolado G,Meyer C,Osterheld MC,Burnier M,Brunner HR,Waeber B

更新日期：1994-01-01 00:00:00

abstract：:This review describes the role of modulation of intracellular adhesion molecule-1 (ICAM-1)/leukocyte function-associated antigen-1 (LFA-1) interaction in controlling autoimmune diseases or inducing immunotolerance. ICAM-1/LFA-1 interaction is essential for T-cell activation as well as for migration of T-cells to targe...

journal_title：Peptides

authors： Anderson ME,Siahaan TJ

更新日期：2003-03-01 00:00:00

abstract：:Somatostatin-14 (S14) and its precursor, somatostatin-28 (S28), are widely distributed throughout the rat brain, suggesting that they could act as neurotransmitter or neuromodulator in the central nervous system. The present study was undertaken to study the localization of S14 and S28 receptors in the rat brain deter...

journal_title：Peptides

authors： Leroux P,Pelletier G

更新日期：1984-05-01 00:00:00

abstract：:We have developed a specific and sensitive radioimmunoassay for the hydra head activator neuropeptide (HHAP). The antibody recognizes the C-terminal portion of HHAP and shows no cross-reactivity with other neuropeptides. The assay allows measurement of HHAP-like material in tissue extracts with a minimum detectable co...

journal_title：Peptides

authors： Ekman R,Salford L,Brun A,Larsson I

更新日期：1990-03-01 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 basal caeliferan family Tetrigidae is investigated to identify neuropeptides belonging to the adipokinetic hormone (AKH) family. The pygmy grasshopper Tetrix subulata contains in its corpus cardiacum two octapeptides as revealed by liquid chromatography coupled to electrospray ionization mass spectrometry. The les...

journal_title：Peptides

authors： Gäde G,Šimek P,Marco HG

更新日期：2015-06-01 00:00:00

abstract：:The thyroid gland is known to harbor cholinergic and VIPergic nerves. In the present study, the influences of cholinergic stimulation by carbachol, cholinergic blockade by methylatropine and stimulation with various VIP sequences on basal, TSH-induced and VIP-induced thyroid hormone section were investigated in vivo i...

journal_title：Peptides

authors： Ahrén B

更新日期：1985-07-01 00:00:00