Galanin induces opposite effects via different intracellular pathways in smooth muscle cells from dog colon.

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：:It is well known that glucoprivation induces the release of counterregulatory hormones such as glucagon, and that the response is attenuated when the stimuli are repeated. Glucoprivation also activates orexigenic neurons and induces hyperphagic responses, although it remains unclear whether these responses are attenua...

journal_title：Peptides

authors： Ozawa Y,Arima H,Watanabe M,Shimizu H,Ito Y,Banno R,Sugimura Y,Ozaki N,Nagasaki H,Oiso Y

更新日期：2011-04-01 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 geniculohypothalamic tract (GHT) is a projection from the intergeniculate leaflet to the suprachiasmatic nucleus (SCN). The GHT exhibits neuropeptide Y (NPY) immunoreactivity and appears to communicate photic information to the SCN. Microinjection of NPY into the SCN has been found to phase shift circadian rhythms...

journal_title：Peptides

authors： Huhman KL,Albers HE

更新日期：1994-01-01 00:00:00

abstract：:As a novel vasoactive peptide, plasma coupling factor 6 (CF6) was shown to be elevated in patients with diabetes mellitus, yet the mechanism involved is unknown. We studied CF6 protein release and its potential mechanism in human umbilical vein endothelial cells (HUVECs) incubated with high glucose levels. High glucos...

journal_title：Peptides

authors： Li X,Xing S,Zhang L,Xing Q,Yan S,Dai H,You S,Pang Y,Tang C

更新日期：2007-03-01 00:00:00

abstract：:Intraperitoneal (i.p.) administration of the synthetic agonist of the glucagon like peptide-1 (GLP-1) receptor exenatide reduces food intake. Here, we evaluated possible peripheral pathways for this reduction. Exenatide (0.5 μg/kg, i.p.) was given to three, overnight food-deprived, groups of rats: total subdiaphragmat...

journal_title：Peptides

authors： Hunt JV,Washington MC,Sayegh AI

更新日期：2012-02-01 00:00:00

abstract：:In experimental models and in humans, somatostatin (SRIF) is able to contract certain vascular structures. The present experiments were designed to assess the capacity of SRIF to contract cultured rat aortic vascular smooth muscle cells (VSMC), and to analyze the possible mechanisms involved. Cells incubated with SRIF...

journal_title：Peptides

authors： Torrecillas G,Medina J,Díez-Marqués ML,Rodríguez-Puyol D,Rodríguez-Puyol M

更新日期：1999-01-01 00:00:00

abstract：:Discovering the informational rule(s) underlying structure-function relationships in the protein language is at the core of biology. Current theories have proven inadequate to explain the origins of biological information such as that found in nucleotide and amino acid sequences. Here, we demonstrate that the informat...

journal_title：Peptides

authors： Kanduc D

更新日期：2010-05-01 00:00:00

abstract：:Venoms from cone snails (genus Conus) can be seen as an untapped cocktail of biologically active compounds, being increasingly recognized as an emerging source of peptide-based therapeutics. Cone snails are considered to be specialized predators that have evolved the most sophisticated peptide chemistry and neuropharm...

journal_title：Peptides

authors： Peigneur S,Van Der Haegen A,Möller C,Waelkens E,Diego-García E,Marí F,Naudé R,Tytgat J

更新日期：2013-03-01 00:00:00

abstract：:To determine if insulin-like growth factor (IGF)-1 and -2, FSH, or leptin alter IGF-binding protein (IGFBP)-2, -3, -4, and -5 mRNA levels in bovine granulosa and (or) theca cells, granulosa and theca cells were collected from bovine ovarian follicles, plated for 48 h in 10% FCS and then treated for 24 h in serum-free ...

journal_title：Peptides

authors： Voge JL,Aad PY,Santiago CA,Goad DW,Malayer JR,Allen D,Spicer LJ

更新日期：2004-12-01 00:00:00

abstract：:We investigated the effect of surgical castration of male rats on the binding of [Tyr(125I)10]VIP to receptors on the anterior pituitary gland, superior mesenteric artery, brain, liver, and prostate gland. In anterior pituitary membranes the maximum number of VIP binding sites was increased whereas binding affinity wa...

journal_title：Peptides

authors： Wanke IE,Huang M,Rorstad OP

更新日期：1990-11-01 00:00:00

abstract：:We studied the effects of calcitonin gene-related peptide (CGRP) on ciliary beat frequency (CBF) and electrical properties of canine tracheal epithelium by a photoelectric method and Ussing's short-circuit technique, respectively. CGRP dose dependently increased CBF, an effect that was accompanied by elevation of intr...

journal_title：Peptides

authors： Tamaoki J,Kanemura T,Kobayashi K,Sakai N,Takizawa T

更新日期：1989-09-01 00:00:00

abstract：:Intravenous (IV) infusions of neurotensin (NT) in anesthetized guinea pigs elicited dose-dependent pressor effects and tachycardia. Both effects were significantly reduced or abolished in guinea pigs given a chronic treatment with the neurotoxin capsaicin. In guinea pig isolated atria NT evoked a positive inotropic an...

journal_title：Peptides

authors： Bachelard H,St-Pierre S,Rioux F

更新日期：1987-11-01 00:00:00

abstract：:Studies were conducted in order to determine if selected neurons could be isolated from the brain using Sepharose-linked recognition complexes directed against or related to the biosynthetic/neurosecretory product of the desired neuronal population. Immunoreactive LRF neurons were precipitated when dispersed cells of ...

journal_title：Peptides

authors： Melrose PA,Knigge KM

更新日期：1985-03-01 00:00:00

abstract：:Brain-derived neurotrophic factor-like neuropeptide is produced in the brain of the silk moth, Bombyx mori. Immunocytochemical studies of brain and retrocerebral complex of larvae, prepupae, pupae and adults showed that four pairs of median neurosecretory cells and six pairs of lateral neurosecretory cells which had d...

journal_title：Peptides

authors： Park CW,Kim JH,Kim KM,Hwang JS,Kang SW,Kang HS,Cho BP,Yu CH,Kim HR,Lee BH

更新日期：2004-11-01 00:00:00

abstract：:The present study investigated the effects of neuropeptide Y (NPY) on food intake and body temperature (Tbo) in free-feeding unrestrained rats following injection into the medial hypothalamic paraventricular nucleus (PVN) or the lateral perifornical hypothalamus (PFH). NPY (78-235 pmol) or saline was infused unilatera...

journal_title：Peptides

authors： Currie PJ,Coscina DV

更新日期：1995-01-01 00:00:00

abstract：:Peptides may act through G protein-coupled receptors to influence cardiovascular performance; thus, delineating mechanisms involved in signaling is a molecular-based strategy to influence health. Molecular switches, often represented by conserved motifs, maintain a receptor in an inactive state. However, once the swit...

journal_title：Peptides

authors： Rasmussen M,Leander M,Ons S,Nichols R

更新日期：2015-09-01 00:00:00

abstract：:Although the biological effects of adrenomedullin (AM) and PAMP have been reported extensively in animal studies and from in-vitro experiments, relatively little information is available on responses to the hormone administered to man. This review summarizes data from the few studies carried out in man. In healthy vol...

journal_title：Peptides

authors： Nicholls MG,Lainchbury JG,Lewis LK,McGregor DO,Richards AM,Troughton RW,Yandle TG

更新日期：2001-11-01 00:00:00

abstract：:Locust abdominal ganglia are shown to colocalize Locusta-diuretic peptide-, leucokinin I-, and lysine vasopressin-like immunoreactivity in posterior lateral neurosecretory cells. Extracts of abdominal ganglia were partially purified by RP-HPLC then dot immunoassay screened with the same antisera used for immunocytoche...

journal_title：Peptides

authors： Thompson KS,Rayne RC,Gibbon CR,May ST,Patel M,Coast GM,Bacon JP

更新日期：1995-01-01 00:00:00

abstract：:Ghrelin, a novel gut hormone, has been shown to exert protective effects on cardiac dysfunction and remodeling. However, the underlying mechanisms of its protective effects remain unclear. Here, we investigated the effects of ghrelin on cardiac hypertrophy and explored the mechanisms involved. Ghrelin (30 μg.kg-1. day...

journal_title：Peptides

authors： Lu W,Cai H,Chen Y,Liao X,Zhang L,Ma T,Sun H,Qi Y

更新日期：2020-11-13 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：:The aim of our study was to determine whether a meal modifies the antisecretory response induced by PYY and the structural requirements to elicit antisecretory effects of analogue PYY(22-36) for potential antidiarrhea therapy. The variations in short-circuit current (Isc) due to the modification of ionic transport acr...

journal_title：Peptides

authors： Eto B,Boisset M,Eden P,Balasubramaniam A,Desjeux JF

更新日期：1995-01-01 00:00:00

abstract：:Amylin and the structurally and functionally related peptide calcitonin gene-related peptide (CGRP) have been shown to reduce food intake in rats. The aim of the present study was to compare the anorectic potency of both peptides over a wide dose range when administered into the lateral brain ventricle (ICV). Furtherm...

journal_title：Peptides

authors： Lutz TA,Rossi R,Althaus J,Del Prete E,Scharrer E

更新日期：1998-01-01 00:00:00

abstract：:Irisin is a novel myokine and adipokine that has gained much attention recently due to its mechanisms of action. Irisin is secreted following proteolytic cleavage of its precursor fibronectin type III domain containing 5 (FNDC5). Following its release, irisin exerts its major action by increasing the expression of mit...

journal_title：Peptides

authors： Mahgoub MO,D'Souza C,Al Darmaki RSMH,Baniyas MMYH,Adeghate E

更新日期：2018-06-01 00:00:00

abstract：:The in vivo effects of JMV-320 (a highly selective CCKB receptor ligand) and of CCK-4 on exploratory activity and memory in rats were compared. JMV-320 and CCK-4 did not modulate exploratory activity in an open field test but decreased it in an elevated plus-maze. CCK-4 (50 micrograms/kg) impaired passive avoidance re...

journal_title：Peptides

authors： Hadjiivanova C,Kehayov R,Petkov VV,Amblard M,Martinez J

更新日期：1995-01-01 00:00:00

abstract：:Interleukin-1 beta (IL-1β) significantly influences cognitive processes. Treatments which raise the level of IL-1β in the brain impair memory consolidation in contextual fear conditioning. However, the effect of IL-1β on memory reconsolidation has not yet been established. The melanocortin α-melanocyte-stimulating hor...

journal_title：Peptides

authors： Machado I,González P,Schiöth HB,Lasaga M,Scimonelli TN

更新日期：2010-11-01 00:00:00

abstract：:Nesfatin-1 is well established to reduce food intake upon brain injection in rats, while in mice its anorexigenic action and brain expression are largely unexplored. We characterized the influence of intracerebroventricular (icv) and peripheral (intraperitoneal, ip, subcutaneous, sc) injection of nesfatin-1 on dark ph...

journal_title：Peptides

authors： Goebel M,Stengel A,Wang L,Taché Y

更新日期：2011-01-01 00:00:00

abstract：:Binding studies have shown that [125I]NKA is a selective ligand of tachykinin septide-sensitive binding sites from membranes of the rat submaxillary gland. Indeed, this ligand bound with high affinity to a single population of sites. In addition, competition studies indicated that natural tachykinins and tachykinin-re...

journal_title：Peptides

authors： Beaujouan JC,Saffroy M,Torrens Y,Sagan S,Glowinski J

更新日期：1999-11-01 00:00:00

abstract：:Growing evidence suggests that the neuropeptide Y (NPY) system plays an important role in the immune system. Yet, little is known about the expression of NPY and receptors in the immune system. Moreover, original contradicting results have confused the picture and hampered a clear understanding of its role in the immu...

journal_title：Peptides

authors： Wheway J,Herzog H,Mackay F

更新日期：2007-02-01 00:00:00

abstract：:Obestatin regulates fluid and electrolyte homeostasis mainly by opposing the action of vasopressin (AVP). We measured plasma concentration of obestatin and AVP in patients with cardiorenal syndrome (CRS). Plasma AVP and obestatin concentration were measured in 34 patients with type II CRS. The data were compared to th...

journal_title：Peptides

authors： Shi JB,Guo ZF,Zheng X,Wang ZB,Ma YJ

更新日期：2012-12-01 00:00:00