Cholecystokinin in the central nervous system.

abstract：:The peptide IIAEK derived from beta-lactoglobulin has a hypocholesterolemic activity greater than that of beta-sitosterol. To create food proteins with multiple copies of this valuable peptide sequence, we introduced tandem multimers of the nucleotide sequence encoding the peptide into DNA regions corresponding to the...

journal_title：Peptides

authors： Prak K,Maruyama Y,Maruyama N,Utsumi S

更新日期：2006-06-01 00:00:00

abstract：:The analysis of the spectrum of circular dichroism (CD) of methionine-oxidized bovine parathyroid hormone peptide, bPTH(1-34) revealed that approximately 43% of the orderly conformation (alpha-helix and beta-sheet) was converted into random coil structure. This peptide failed to elicit any hypotensive response in rats...

journal_title：Peptides

authors： Hong BS,Yang MC,Liang JN,Pang PK

更新日期：1986-11-01 00:00:00

abstract：:Diadenosine polyphosphates (APnAs) are endogenous compounds and exert diverse cardiovascular functions. However, the effects of APnAs on atrial ANP release and contractility have not been studied. In this study, the effects of diadenosine tetraphosphate (AP4A) on atrial ANP release and contractility, and their mechani...

journal_title：Peptides

authors： Yuan K,Cao C,Bai GY,Kim SZ,Kim SH

更新日期：2007-07-01 00:00:00

abstract：:We performed the first comprehensive peptidomic analysis of neurohormones from hemipteran insects by analyzing the neuropeptides of two major neurohemal organs, namely the corpora cardiaca and abdominal perisympathetic organs. For the experiments we selected four related species of polyphagous stinkbugs (Pentatomidae)...

journal_title：Peptides

authors： Predel R,Russell WK,Russell DH,Lopez J,Esquivel J,Nachman RJ

更新日期：2008-02-01 00:00:00

abstract：:A retrograde facilitation has been demonstrated in the one trial step-down inhibitory avoidance of melanin-concentrating hormone (MCH), when it was infused into rat hippocampal formation. Considering the high density of specific binding sites for the MCH peptide on the hippocampus and the participation of this structu...

journal_title：Peptides

authors： Varas M,Pérez M,Ramírez O,de Barioglio SR

更新日期：2002-01-01 00:00:00

abstract：:To identify a minimal peptide ligand that participates in recognition of heparin, we synthesized peptides extending a 29-kDa fragment in the C-terminal heparin binding domain of fibronectin. We obtained evidence that two peptides (designated D5 and D1) exhibit inhibitory activity on binding of the 29-kDa fragment to h...

journal_title：Peptides

authors： Mohri H,Katoh K,Motomura S,Okubo T

更新日期：1996-01-01 00:00:00

abstract：:VIP receptors on blood mononuclear leucocytes and plasma VIP concentrations were studied during a ranger training course lasting for five days with almost continuous physical activity, and energy deficiency. The maximum binding capacity (Bmax) for the high affinity receptor increased (p less than 0.0005) from 0.71 (SE...

journal_title：Peptides

authors： Wiik P,Opstad PK,Knardahl S,Bøyum A

更新日期：1988-01-01 00:00:00

abstract：:Endomorphin1-ol (Tyr-Pro-Trp-Phe-ol, EM1-ol) and endomorphin2-ol (Tyr-Pro-Phe-Phe-ol, EM2-ol), with C-terminal alcohol (-ol) containing, have been shown to exhibit higher affinity and lower intrinsic efficacy in vitro than endomorphins. In the present study, in order to investigate the alterations of systemic hemodyna...

journal_title：Peptides

authors： Yu Y,Wang CL,Cui Y,Fan YZ,Liu J,Shao X,Liu HM,Wang R

更新日期：2006-01-01 00:00:00

abstract：:Insect flight requires rapid mobilization of energy reserves during flight, which is mediated and regulated by hormonal control via adipokinetic hormones. The structure of the G-protein receptors to which these hormones bind, are crucial in understanding many of the physiological processes in which they play a central...

journal_title：Peptides

authors： Mugumbate G,Jackson GE,van der Spoel D

更新日期：2011-03-01 00:00:00

abstract：:Inferences regarding biosynthesis of LHRH in rats are made from immunocytochemical studies using LHRH antisera with varied and specific binding requirements. Immunoreactive perikarya were observed with antisera that could bind putative large molecular weight precursors of LHRH. No cells were detected with an antiserum...

journal_title：Peptides

authors： King JC,Anthony EL

更新日期：1983-11-01 00:00:00

abstract：:The effects of Pro-Leu-Gly-NH2 (melanotropin release inhibiting factor, MIF) and its analog, cyclo (Leu-Gly) on the mouse and rat striatal cholinergic muscarinic receptors labeled with 3H-quinuclidinyl benzilate (QNB) were investigated. 3H-QNB bound to the rat striatal muscarinic receptors at a single high affinity si...

journal_title：Peptides

authors： Das S,Matwyshyn GA,Bhargava HN

更新日期：1986-01-01 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：:Peptides have the potential to be potent pharmaceutical agents for the treatment of many central nervous system derived maladies. Unfortunately peptides are generally water-soluble compounds that will not enter the central nervous system, via passive diffusion, due to the existence of the blood-brain barrier. Peptides...

journal_title：Peptides

authors： Witt KA,Gillespie TJ,Huber JD,Egleton RD,Davis TP

更新日期：2001-12-01 00:00:00

abstract：:Neurotensin (NT) produces behavioral and physiological effects, including analgesia and hypotheria, when administered into the CNS. Fischer and Lewis rats exhibit differential behavioral responses to central NT receptor activation. To further characterize these differences, we assessed central NT-induced analgesia and...

journal_title：Peptides

authors： Bauco P,Rompré PP

更新日期：2003-08-01 00:00:00

abstract：:As we commemorate the 25th anniversary of the journal Peptides, it is timely to review the functional significance of the bombesin (BB)-like peptides and receptors in the CNS. Over two decades ago we published an article in the journal Peptides demonstrating that BB-like peptides are present in high densities in certa...

journal_title：Peptides

authors： Moody TW,Merali Z

更新日期：2004-03-01 00:00:00

abstract：:Amphibians exhibit various, characteristic adaptations related to their "incomplete" shift from the aquatic to the terrestrial habitat. In particular, the integument was subject to a number of specialized modifications during the evolution of these animals. In this review, we place special emphasis on endogenous host-...

journal_title：Peptides

authors： König E,Bininda-Emonds OR,Shaw C

更新日期：2015-01-01 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：: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：:The presence and antimicrobial activity of antimicrobial peptides (AMPs) has been widely recognized as an evolutionary preserved part of the innate immune system. Based on evidence in animal models and humans, AMPs are now positioned as novel anti-infective agents. The current study aimed to evaluate the potential ant...

journal_title：Peptides

authors： Brouwer CP,Bogaards SJ,Wulferink M,Velders MP,Welling MM

更新日期：2006-11-01 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：:Solubilization of rat synaptic membranes by Triton X-100 followed by DEAE-cellulose chromatography allowed the separation of a phosphoramidon-sensitive endopeptidase that cleaved CCK-8. This enzymatic activity revealed similar if not identical to "enkephalinase A." A major cleavage point, at the Trp30-Met31 bond, and ...

journal_title：Peptides

authors： Deschodt-Lanckman M,Koulischer D,Przedborski S,Lauwereys M

更新日期：1984-05-01 00:00:00

abstract：:Combined use of the intraaxonal retrograde transport of the fluorescent marker 'true blue' with substance P (SP) immunocytochemistry has been used to trace the nodose ganglion projections of SP-containing neurons of the aortic depressor nerve. It has been found that (1) SP immunoreactive (SP-I) cell bodies are clearly...

journal_title：Peptides

authors： Helke CJ,Goldman W,Jacobowitz DM

更新日期：1980-01-01 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：:Neurotensin(6-13) has been isolated and sequenced as the major form of neurotensin-like immunoreactivity (NTLI) in a human hepatic fibrolamellar carcinoma. Circulating NTLI in the patient, especially C-terminal, was very high. In additional studies, NT(6-13) was synthesized and compared with the purified tumor NTLI by...

journal_title：Peptides

authors： Read D,Shulkes A,Fernley R,Simpson R

更新日期：1991-07-01 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 melanocortin 4 receptor (MC4R) plays an essential role in weight regulation. Recently we could show that the MC4R is able to form receptor dimers. In the present study we investigated the role of extracellular cysteine residues and the structure of the third extracellular loop for receptor dimerization. None of th...

journal_title：Peptides

authors： Elsner A,Tarnow P,Schaefer M,Ambrugger P,Krude H,Grüters A,Biebermann H

更新日期：2006-02-01 00:00:00

abstract：:This study presents the binding and functional properties of the mouse NPFF(2) (mNPFF(2)) receptor, in comparison with its human counterpart (hNPFF(2)). Binding experiments were performed by using the NPFF(2) selective radioligand [(3)H]-EYF in membranes from CHO cells transfected with mouse and human NPFF(2) receptor...

journal_title：Peptides

authors： Talmont F,Moulédous L,Piedra-Garcia L,Schmitt M,Bihel F,Bourguignon JJ,Zajac JM,Mollereau C

更新日期：2010-02-01 00:00:00

abstract：:In the present study, the C-terminus of endomorphin (Tyr(1)-Pro(2)-Trp/Phe(3)-Phe(4)-NH(2), EMs) analogs [Xaa(4)-R]EMs, modified by substitution of a non-aromatic residue for Phe(4) and ending up with -NH-benzyl, were designed to generate an atypical conformationally constrained peptide set. We investigated the effect...

journal_title：Peptides

authors： Yu Y,Shao X,Wang CL,Liu HM,Cui Y,Fan YZ,Liu J,Wang R

更新日期：2007-04-01 00:00:00

abstract：:To examine the relationship between glutamate receptors and the action of NC-1900 on a step-through passive avoidance (PA) task in mice, MK-801, an NMDA receptor blocker, and (S)-4-carboxyphenylglycine (4CPG), a group I metabotropic receptor antagonist, were administered intraventricularly (i.c.v.) singly or as co-inj...

journal_title：Peptides

authors： Sato T,Ishida T,Tanaka K,Chowdhurry N,Irifune M,Hirate K,Mimura T,Nishikawa T

更新日期：2005-05-01 00:00:00

abstract：:A new series of analogues of the potent opiate-like peptides dermorphins (mainly tetra- and pentapeptides) were synthesized in order to better evaluate the structure-activity relationships. Relative potencies were referred to dermorphin (H-Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2), the prototype of this class of frog skin pe...

journal_title：Peptides

authors： Melchiorri P,Erspamer GF,Erspamer V,Guglietta A,De Castiglione R,Faoro F,Perseo G,Piani S,Santangelo F

更新日期：1982-09-01 00:00:00