Differential distribution of chicken-I and chicken-II GnRH in the turtle brain.

abstract：:HPLC characterization of tilapia pituitary endorphins using an antibody specific for N-terminally acetylated endorphins yielded three major peaks in the neurointermediate lobe, but none in the pars distalis. The melanotropes secreted two of the immunoreactive products in vitro, one of which coeluted with Xenopus laevi...

journal_title：Peptides

authors： Balm PH,Hovens ML,Wendelaar Bonga SE

更新日期：1995-01-01 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：:Ureases (EC 3.5.1.5) are metalloenzymes that hydrolyze urea into ammonia and CO(2). These proteins have insecticidal and fungicidal effects not related to their enzymatic activity. The insecticidal activity of urease is mostly dependent on the release of internal peptides after hydrolysis by insect digestive cathepsin...

journal_title：Peptides

authors： Postal M,Martinelli AH,Becker-Ritt AB,Ligabue-Braun R,Demartini DR,Ribeiro SF,Pasquali G,Gomes VM,Carlini CR

更新日期：2012-11-01 00:00:00

abstract：:The oligopeptide transporter (PepT1) is located on the brush-border membrane of the intestinal epithelium which has been regarded as a mediator of protein absorption. Here, we cloned and characterized PepT1 genes from diploid (red crucian carp), triploid and tetraploid fish. Then, the PepT1 expression pattern in diffe...

journal_title：Peptides

authors： Liu Z,Zhou Y,Liu S,Zhao Q,Feng J,Lu S,Xiong G,Xie D,Zhang J,Liu Y

更新日期：2014-02-01 00:00:00

abstract：:We recently reported the direct inhibitory effect of adrenomedullin on caecal circular smooth muscle cells via cAMP system. This study was designed to determine whether the structurally related peptides to adrenomedullin (i.e.; calcitonin gene-related peptide (CGRP), calcitonin, and amylin) can inhibit the cholecystok...

journal_title：Peptides

authors： Ochiai T,Chijiiwa Y,Motomura Y,Yasuda O,Harada N,Nawata H

更新日期：2001-06-01 00:00:00

abstract：:Subpopulations of dopamine (DA) neurons in the ventral mesencephalon have been reported to contain cholecystokinin (CCK) and neurotensin (NT), giving rise to DA, DA/NT, NT/CCK and DA/CCK/NT projections. More precisely, colocalized DA/CCK neurons project mainly to the caudal part of the medial nucleus accumbens, wherea...

journal_title：Peptides

authors： Heidbreder C,Gewiss M,De Mot B,Mertens I,De Witte P

更新日期：1992-05-01 00:00:00

abstract：:Neuropeptides related to vertebrate tachykinins have been identified in Drosophila and are referred to as drosotachykinins, or DTKs. Two Drosophila G protein-coupled receptors, designated NKD (neurokinin receptor from Drosophila; CG6515) and DTKR (Drosophila tachykinin receptor; CG7887), display sequence similarities ...

journal_title：Peptides

authors： Poels J,Birse RT,Nachman RJ,Fichna J,Janecka A,Vanden Broeck J,Nässel DR

更新日期：2009-03-01 00:00:00

abstract：:Melanocortins (MCs) are multifunctional peptide hormones that regulate a diversity of physiological functions. MCs have been implicated in sexual function in animals. We document here that a MC analog, Melanotan II (MTII), can enhance sexual function in human males (erectile activity) and females (increased levels of ...

journal_title：Peptides

authors： Hadley ME

更新日期：2005-10-01 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：:There is a well-documented association between cyclic changes to food intake and the changing ovarian hormone levels of the reproductive cycle in female mammals. Limited research on appetite-controlling gastrointestinal peptides has taken place in females, simply because regular reproductive changes in steroid hormone...

journal_title：Peptides

authors： Johnson ML,Saffrey MJ,Taylor VJ

更新日期：2017-04-01 00:00:00

abstract：:Effects of rat and human calcitonin gene-related peptide (r alpha CGRP and h beta CGRP, respectively) upon uterine contractile force were investigated using uterine horns from nonpregnant rats, r alpha CGRP and h beta CGRP were equipotent (pD2 = 8.85-9.09) in inhibiting spontaneous and electrically evoked uterine cont...

journal_title：Peptides

authors： Pennefather JN,Reynoldson NA,Handberg GM

更新日期：1990-09-01 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：:Dihydroergotoxine (DHET) is comprised of equal part of the mesylates of dihydroergocristine, dihydroergocornine and dihydroergocryptine. In the standard radioreceptor assays, DHET components displaced the CNS-receptor binding of [3H]-enkephalin (ENK) and [3H]thyrotropin releasing hormone (TRH). The inhibitory effect o...

journal_title：Peptides

authors： Ogawa N,Mizuno S,Mori A,Kuroda H

更新日期：1984-01-01 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：:Investigators studying the primary culprit responsible for Alzheimer disease have, for the past two decades, primarily focused on amyloid-beta (Abeta). Here, we put Abeta on trial and review evidence amassed by the prosecution that implicate Abeta and also consider arguments and evidence gathered by the defense team w...

journal_title：Peptides

authors： Rottkamp CA,Atwood CS,Joseph JA,Nunomura A,Perry G,Smith MA

更新日期：2002-07-01 00:00:00

abstract：:Short cell penetrating peptides (CPP) are widely used in vitro to transduce agents into cells. But their systemic effect has not been yet studied in detail. We studied the systemic effect of the cell penetrating peptides, penetratin, transportan and pro-rich, on rat hemodynamic functions. Intra-arterial monitoring of ...

journal_title：Peptides

authors： Basheer M,Schwalb H,Shefler I,Levdansky L,Mekori YA,Gorodetsky R

更新日期：2011-12-01 00:00:00

abstract：:The presence of human melanin-concentrating hormone (MCH) was studied in the human brain by radioimmunoassay and immunocytochemistry. Immunoreactive MCH concentrations in the human brain ranged from 0.07 to 19.7 pmol/g wet weight. High performance liquid chromatography of the hypothalamus showed a large immunoreactive...

journal_title：Peptides

authors： Mouri T,Takahashi K,Kawauchi H,Sone M,Totsune K,Murakami O,Itoi K,Ohneda M,Sasano H,Sasano N

更新日期：1993-05-01 00:00:00

abstract：:Prolactin releasing peptide (PrRP) was originally reported to act in the anterior lobe of the pituitary gland to stimulate prolactin (PRL) release; however, numerous other pharmacologic actions of PrRP have been described. In the central nervous system PrRP inhibits food intake, stimulates sympathetic tone, and activa...

journal_title：Peptides

authors： Samson WK,Taylor MM

更新日期：2006-05-01 00:00:00

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：:Two cDNAs, size 969 bp and 1146 bp respectively, encoding goldfish gamma-preprotachykinin (gamma-PPT) were identified. Both cDNAs contain the same 345 bp open reading frame. The deduced 114-amino acid gamma-PPT contains the sequence of substance P, carassin and neurokinin A. sequence analysis of the two cDNA 5'-untran...

journal_title：Peptides

authors： Lin XW,Peter RE

更新日期：1997-01-01 00:00:00

abstract：:Dipeptidyl peptidase-4 (DPP-4) inhibitor and exercise have proven to be effective treatments for diabetes. However, the effects of these interventions in compensatory hyperinsulinemia prediabetic period are unknown. The purpose of this study was to determine if these interventions have protective effects on β-cell fun...

journal_title：Peptides

authors： Li Y,Xiao J,Tian H,Pei Y,Lu Y,Han X,Liu Y,Zhong W,Sun B,Fang F,Shu H

更新日期：2013-11-01 00:00:00

abstract：:Endothelial neutral endopeptidase (EC 3.4.24.11, NEP) contributes to the inactivation of vasoactive and inflammatory peptides such as f-Met-Leu-Phe, substance P, atrial natriuretic peptide, and bradykinin. The aim of the present study was to investigate the cellular regulation of NEP expression in human endothelial ce...

journal_title：Peptides

authors： Graf K,Kunkel K,Zhang M,Gräfe M,Schultz K,Schudt C,Biroc S,Fleck E,Kunkel G

更新日期：1995-01-01 00:00:00

abstract：:Osmotic stress stimulates the release of the avian hypothalamic neuropeptide arginine vasotocin (AVT) into the peripheral circulation. We conducted the present study to investigate the effects of salt-loading on AVT secretion and AVT gene expression in specific hypothalamic nuclei in chickens. White Leghorn chickens w...

journal_title：Peptides

authors： Chaturvedi CM,Cornett LE,Koike TI

更新日期：1997-01-01 00:00:00

abstract：:Various enkephalins (ENK) have been reported to alter heart rate, systemic blood pressure, and respiratory function but with variable results. We previously found that pentobarbital anesthesia reversed the increases in heart rate and systemic arterial blood pressure produced by Leu5-ENK in the dog. We have now studied...

journal_title：Peptides

authors： Sander GE,Giles TD,Kastin AJ,Quiroz AC,Kaneish A,Coy DH

更新日期：1981-01-01 00:00:00

abstract：:Kisspeptins, a family of peptide products derived from the KiSS-1 gene, activate their cognate receptor GPR54 in various target tissues to exert disparate functions, including inhibition of tumor metastasis and control of reproductive function. In contrast to the plethora of studies that have analyzed in recent years ...

journal_title：Peptides

authors： Castaño JP,Martínez-Fuentes AJ,Gutiérrez-Pascual E,Vaudry H,Tena-Sempere M,Malagón MM

更新日期：2009-01-01 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：: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：:An antiviral protein, RC28, with anti-herpesvirus activity was purified from a PBS extract of Rozites caperata (Cortinarious caperata) by acetone precipitation followed by gel filtration and ion exchange chromatography. The molecular weight of this protein was 28.251kDa as measured by MALDI-TOF mass spectrography. Our...

journal_title：Peptides

authors： Gong M,Piraino F,Yan N,Zhang J,Xia M,Ma J,Cheng J,Liu X

更新日期：2009-04-01 00:00:00

abstract：:The present study purifies two T. serrulatus non-disulfide-bridged peptides (NDBPs), named venom peptides 7.2 (RLRSKG) and 8 (KIWRS) and details their synthesis and biological activity, comparing to the synthetic venom peptide 7.1 (RLRSKGKK), previously identified. The synthetic replicate peptides were subjected to a ...

journal_title：Peptides

authors： Pucca MB,Cerni FA,Pinheiro-Junior EL,Zoccal KF,Bordon KCF,Amorim FG,Peigneur S,Vriens K,Thevissen K,Cammue BPA,Júnior RBM,Arruda E,Faccioli LH,Tytgat J,Arantes EC

更新日期：2016-08-01 00:00:00

abstract：:Amylin can evoke insulin resistance by antagonizing insulin in a non-competitive manner. Here, we investigated the glycogenolytic effect of amylin in isolated skeletal muscle and compared it to the effects of a calcitonin gene-related peptide (CGRP). Amylin alone had no statistically significant effect on glucose tran...

journal_title：Peptides

authors： Abaffy T,Cooper GJ

更新日期：2004-12-01 00:00:00