Effect of eel calcitonin glycosylation on incorporation and channel formation in planar phospholipid membranes.

abstract：:Huwentoxin-I (HWTX-I) is a 33-residue peptide isolated from the venom of Ornithoctonus huwena and could inhibit TTX-sensitive voltage-gated sodium channels and N-type calcium channels in mammalian dorsal root ganglion (DRG) neurons. However, the effects of HWTX-I on mammalian central neuronal and insect sodium channel...

journal_title：Peptides

authors： Wang M,Rong M,Xiao Y,Liang S

更新日期：2012-03-01 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：:Defensins are essentially ancient natural antibiotics with potent activity extending from lower organisms to humans. They can inhibit the growth or virulence of micro-organisms directly or indirectly enhance the host's immune system. The successful prediction of defensin peptides will provide very useful information a...

journal_title：Peptides

authors： Zuo YC,Li QZ

更新日期：2009-10-01 00:00:00

abstract：:The specific binding of 125I-labeled vasoactive intestinal peptide (VIP) to brain membranes from the forebrain and hindbrain regions of 2 to 37-day postnatal rats was measured. In both regions of the brain, VIP binding was low but detectable two days after birth and rose markedly between postnatal days 7 and 17. This ...

journal_title：Peptides

authors： Roth BL,Beinfeld MC

更新日期：1985-01-01 00:00:00

abstract：:Urotensin II (UII), which was originally isolated from the teleost urophysis, was identified as an endogenous ligand for orphan G protein-coupled receptor 14 (GPR14). The structure of mammalian UII was confirmed by isolation from spinal cord in porcine, or was easily predicted from the sequence of prepro-UII in human....

journal_title：Peptides

authors： Sugo T,Mori M

更新日期：2008-05-01 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 purpose of this study was to investigate in the aged animal the functional interaction between cholecystokinin (CCK) and amino acid neurotransmitter activity in the frontal cortex, a structure of importance in age-related disabilities. Guide cannula for repeated push-pull perfusion were implanted bilaterally in th...

journal_title：Peptides

authors： Peinado JM,Myers RD

更新日期：1988-05-01 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：:Intracerebroventricular (ICV) and subcutaneous (SC) injections of sauvagine powerfully inhibited gastric acid secretion stimulated by gastric distension and by 2-deoxy-D-glucose, but not by histamine in pylorus-ligated rats. Naloxone failed to antagonize the antisecretory effects of SC and ICV sauvagine. Intravenous i...

journal_title：Peptides

authors： Improta G,Broccardo M

更新日期：1988-07-01 00:00:00

abstract：:Animal behavioral and neurochemical studies implicate dopaminergic systems in the neurological sequelae induced by estrogen. In the present study, we demonstrated for the first time that MIF-1, a neuropeptide unrelated to classical dopamine agonists, when given prior to, concurrently with, and after 17 beta-estradiol,...

journal_title：Peptides

authors： Rajakumar G,Chiu P,Chiu S,Johnson RL,Mishra RK

更新日期：1987-11-01 00:00:00

abstract：:Urotensin-II (U-II), a cyclic peptide widely expressed in blood vessels, has diverse vascular actions that range from potent vasoconstriction to vasodilation. Although, U-II-induced vasodilation has been shown to be partially dependent on nitric oxide (NO), the involvement of vascular adventitia-derived NO, remains un...

journal_title：Peptides

authors： Lin L,Ding WH,Jiang W,Zhang YG,Qi YF,Yuan WJ,Tang CS

更新日期：2004-11-01 00:00:00

abstract：:An identical CRF-related diuretic peptide (Musca-DP) was isolated and characterized from whole-body extracts of the house fly, Musca domestica, and stable fly, Stomoxys calcitrans. The peptide stimulates cyclic AMP production in Manduca sexta Malpighian tubules and increases the rate of fluid secretion by isolated Mus...

journal_title：Peptides

authors： Clottens FL,Holman GM,Coast GM,Totty NF,Hayes TK,Kay I,Mallet AI,Wright MS,Chung JS,Truong O

更新日期：1994-01-01 00:00:00

abstract：:Bombesin is a tetradecapeptide heterogenously distributed in the mammalian brain. Bombesin (45 micrograms) given intracisternally (IC) to unanesthetized rats increased the accumulation of dihydroxyphenylalanine (DOPA) in striatum, olfactory tubercles and hypothalamus after DOPA-decarboxylase inhibition, thus indicatin...

journal_title：Peptides

authors： Widerlöv E,Mueller RA,Frye GD,Breese GR

更新日期：1984-05-01 00:00:00

abstract：:We have evaluated a new immunoradiometric assay (IRMA) for calcitonin (CT) (Medgenix, Belgium). The detection limit of immunoreactive CT (IR-CT) was 2.8 pg/ml, and plasma levels of IR-CT of 134 healthy adults (dynamic range, 2.8-1000 pg/ml) were < 19 pg/ml (median 4.1 pg/ml). Both basal and pentagastrin-stimulated IR-...

journal_title：Peptides

authors： Wimalawansa SJ,Bailey F

更新日期：1995-01-01 00:00:00

abstract：:The present study involves the isolation and characterization of secretin-like immunoreactivity from the brains of pigs, rats and dogs. Secretin-like immunoreactivity was extracted with 0.1 N HCl and subjected to SP-Sephadex ion exchange chromatography and gel filtration on a Sephadex G-50 superfine column. The averag...

journal_title：Peptides

authors： Chang TM,Berger-Ornstein L,Chey WY

更新日期：1985-03-01 00:00:00

abstract：:Many neuroendocrine peptides that are distributed in amphibian gastrointestinal tract and central nervous system are also found in amphibian skins, and these peptides are classified into skin-gut-brain triangle peptides, such as bombesins, gastrin-releasing peptides. Cholecystokinins (CCKs) are neuroendocrine peptides...

journal_title：Peptides

authors： Liu X,Wang Y,Cheng L,Song Y,Lai R

更新日期：2007-08-01 00:00:00

abstract：:Chicken-I and chicken-II gonadotropin-releasing hormone (cI-GnRH and cII-GnRH) were shown to be differentially distributed in the brain of a turtle, Trachemys scripta, by HPLC and specific radioimmunoassays. The cI-GnRH was most concentrated in the median eminence (ME), while cII-GnRH was most concentrated in the caud...

journal_title：Peptides

authors： Tsai PS,Licht P

更新日期：1993-03-01 00:00:00

abstract：:The purpose of this study is to elucidate the mechanism of action and site of action of calcitonin gene-related peptide (CGRP) and its effects on calcium concentrations in two types of cardiomyocytes, neonatal and adult, by employing real-time fluorescence imaging. CGRP caused an increase in intramyocytic calcium with...

journal_title：Peptides

authors： Bick RJ,Poindexter BJ,Davis RA,Schiess MC

更新日期：2005-11-01 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：:Neuromedin B (NMB), which was originally isolated from porcine spinal cord, is a mammalian bombesin-related peptide that exerts various physiological effects. Previously, we observed expression of NMB in rib cartilage from chicken. Here, we report the initial attempt to elucidate the role of NMB in cartilage. We used ...

journal_title：Peptides

authors： Saito H,Ikeda R,Inoue K,Nagata S,Kitamura K,Minamino N,Kangawa K,Miyata A

更新日期：2012-08-01 00:00:00

abstract：:We have examined the distributions of ACTH, CCK and enkephalin immunoreactive nerves in the rat central nervous system and compared the pattern obtained with that of opiate receptors. In addition, a radioreceptor assay has been employed for studying the possible functional interactions between these peptides and opiat...

journal_title：Peptides

authors： Stengaard-Pedersen K,Larsson LI

更新日期：1981-01-01 00:00:00

abstract：:The leucosulfakinins (LSKs), isolated from head extracts of the cockroach Leucophaea maderae, are sulfated neuropeptides with homology to gastrin and cholecystokinin. The undecapeptide LSK and decapeptide LSK-II stimulate contractions of the isolated cockroach hindgut. Several structural aspects of the two gastrin/CCK...

journal_title：Peptides

authors： Nachman RJ,Holman GM,Haddon WF

更新日期：1988-01-01 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

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：:We have developed a semi-intact preparation-consisting of an isolated oviduct with abdominal ganglia VII and VIII intact and attached-with which to characterize the effects on oviduct contraction, of peptides that are bath applied to CNS tissues. The work presented here offers a qualitative analysis of the central eff...

journal_title：Peptides

authors： Kwok R,Orchard I

更新日期：2002-11-01 00:00:00

abstract：:Immunocytochemistry using an antiserum to the C-terminal octapeptide of synenkephalin, proenkephalin(63-70), was performed throughout the rat brain and revealed numerous immunopositive fibers and some cell bodies. The morphology and distribution of synenkephalin immunoreactivity was extremely similar to that of a comm...

journal_title：Peptides

authors： Song DD,Rossier J,Harlan RE

更新日期：1989-11-01 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：:Bradykinin (BK) has been proposed as the principal mediator of hypersensitivity reactions (HSR) in patients dialyzed using negatively charged membranes and concomitantly treated with angiotensin-converting enzyme (ACE) inhibitors. We investigated the metabolism of exogenous BK added to the sera of 13 patients dialyzed...

journal_title：Peptides

authors： Blais C Jr,Marc-Aurèle J,Simmons WH,Loute G,Thibault P,Skidgel RA,Adam A

更新日期：1999-01-01 00:00:00

abstract：:Liver-expressed antimicrobial peptide 2 (LEAP-2) is a 40-residue cationic peptide originally purified from human blood ultrafiltrate. The native peptide contains two disulfide bonds and is unique regarding its primary structure. Its biological role is not known but a previous study showed that chemically synthesized L...

journal_title：Peptides

authors： Hocquellet A,Odaert B,Cabanne C,Noubhani A,Dieryck W,Joucla G,Le Senechal C,Milenkov M,Chaignepain S,Schmitter JM,Claverol S,Santarelli X,Dufourc EJ,Bonneu M,Garbay B,Costaglioli P

更新日期：2010-01-01 00:00:00

abstract：:Alzheimer's disease is one of the most common dementia among elderly worldwide. There is no therapeutic drugs until now to treat effectively this disease. One main reason is due to the poorly understood mechanism of Aβ peptide aggregation, which plays a crucial role in the development of Alzheimer's disease. It remain...

journal_title：Peptides

authors： Tran L,Ha-Duong T

更新日期：2015-07-01 00:00:00