abstract：:We examined whether the cholinergic mechanism is involved in the paradoxical GH responses to vasoactive intestinal peptide (VIP) and peptide histidine methionine (PHM) in acromegaly. 28 patients with active acromegaly underwent i.v. bolus injections of thyrotropin-releasing hormone (TRH, 500 micrograms), GH-releasing ...

journal_title：Neuropeptides

authors： Watanobe H,Habu S,Nasushita R,Takebe K

更新日期：1994-08-01 00:00:00

abstract：:A series of analogues of substance P, where the Met11 residue was replaced by Glu(OCH2CH3), Glu(OBzl) and Hse(CH3), were synthesized in order to investigate the effect on agonist activity of modifications at the C-terminal residue. The biological activities in the guinea-pig ileum assay (NK1 receptor) and rat [text sa...

journal_title：Neuropeptides

authors： Poulos C,Antoniou M,Patacchini R,Maggi CA,Pegoraro S,Rovero P

更新日期：1994-07-01 00:00:00

abstract：:Arginine vasopressin mediates its effects through vasopressin receptor activation and second messenger production. Recent cloning of the V1a receptor provided the opportunity to investigate the possible signal transduction pathways associated with this single vasopressin receptor subtype. When stably expressed in CHO ...

journal_title：Neuropeptides

authors： Briley EM,Lolait SJ,Axelrod J,Felder CC

更新日期：1994-07-01 00:00:00

abstract：:The effect of the neurokinin-1 (NK1) receptor antagonist RP67580 in modulating inflammatory oedema formation has been investigated in guinea-pig skin. Oedema formation was measured over 30 min by the extravascular accumulation of intravenously-injected 125I-albumin in the anaesthetised guinea-pig. RP67580 was injected...

journal_title：Neuropeptides

authors： Wilsoncroft P,Euzger H,Brain SD

更新日期：1994-06-01 00:00:00

abstract：:The discriminative stimulus properties of the selective CCKB-receptor antagonist, L-365,260 were evaluated in rats trained to discriminate diazepam (2 mg/kg) or morphine (5 mg/kg) from vehicle, using a two-lever food reinforced technique. In the diazepam drug discrimination, the benzodiazepine-receptor agonist FG8205 ...

journal_title：Neuropeptides

authors： Jackson A,Tattersall D,Bentley G,Rycroft W,Bourson A,Hargreaves R,Tricklebank M,Iversen S

更新日期：1994-05-01 00:00:00

abstract：:A series of biologically active peptides and related compounds (opioid peptides, neurotensin, and bradykinin) were used as substrates or competitive inhibitors to study the structural requirements for peptide interaction with endopeptidase 22.19. The kinetics of hydrolysis of these peptides indicated that, in contrast...

journal_title：Neuropeptides

authors： Camargo AC,Gomes MD,Toffoletto O,Ribeiro MJ,Ferro ES,Fernandes BL,Suzuki K,Sasaki Y,Juliano L

更新日期：1994-04-01 00:00:00

abstract：:The effects of vasoactive intestinal peptide (VIP) on spatial cognitive deficits induced in the rat by injections of scopolamine were examined in a radial arm maze. A single intraperitoneal (i.p.), subcutaneous (s.c.) or intracerebroventricular (i.c.v.) injection of VIP inhibited the reduction in the number of initial...

journal_title：Neuropeptides

authors： Yamaguchi Y,Kobayashi H

更新日期：1994-03-01 00:00:00

abstract：:Release of [3H]-acetylcholine (3H-ACh) and muscle contractions in response to cholecystokinin (CCK) were measured and recorded simultaneously from isolated guinea-pig gallbladder. Cholecystokinin octapeptide (CCK8) (10(-10)-10(-7) M) enhanced the release of [3H]ACh and the contractions of the muscle. TTX (10(-6) M) in...

journal_title：Neuropeptides

authors： Rakovska A,Sgaragli G,Mantovani P,Valoti M,Milenov K

更新日期：1993-11-01 00:00:00

abstract：:Several lines of evidence indicate a role for neuropeptide Y (NPY) in the modulation of the corticotroph axis. In two separate studies reported here, the concentrations of NPY and noradrenaline (NA), as well as corticotropin-releasing factor (CRF) and arginine vasopressin (AVP), were measured in extracts of individual...

journal_title：Neuropeptides

authors： Pralong FP,Corder R,Gaillard RC

更新日期：1993-10-01 00:00:00

abstract：:AtT-20 cells are known to synthesize two molecular weight forms of the prohormone converting enzyme PC1 with molecular masses of 87 and 66 kDa. In this study we have analyzed basal and stimulated secretion of these proteins. Western blot results show that basal secretion medium of cultured AtT-20 cells contained low c...

journal_title：Neuropeptides

authors： Vindrola O,Lindberg I

更新日期：1993-08-01 00:00:00

abstract：:Immune system function has been shown to be under the influence of various neuromodulators and endocrine system peptides. This in vitro study describes the stimulatory effect of thyrotropin releasing hormone (thyroliberin, TRH) on thyrotropin (TSH) release from cultured human peripheral blood monocytes. The stimulator...

journal_title：Neuropeptides

authors： Komorowski J,Stepień H,Pawlikowski M

更新日期：1993-07-01 00:00:00

abstract：:We have developed an extraction method and radioimmunoassay for the measurement of interleukin-1 beta (IL-1 beta) in rat tissues, using an antibody specific for IL-1 beta, IL-1 beta was detected in the spleen and thymus of control rats. Adrenalectomy (ADX) had no effect upon control levels of IL-1 beta. In animals wit...

journal_title：Neuropeptides

authors： Jessop DS,Chowdrey HS,Lightman SL

更新日期：1993-06-01 00:00:00

abstract：:Paired-pulse stimulation was used to evaluate the effects of the sulfated octapeptide of cholecystokinin (CCK8-S), the gamma-aminobutyric acidB (GABAB) agonist (-) baclofen, and the GABAA antagonist (-) bicuculline on hippocampal dentate gyrus (DG) granule cell excitability. Evoked action potentials (EAPs) and excitat...

journal_title：Neuropeptides

authors： Rich-Bennett E,Dahl D,Lecompte BB 3rd

更新日期：1993-05-01 00:00:00

abstract：:In the hot plate test the intracerebroventricular (i.c.v.) injection of oxytocin produced a significant decrease in nociception, starting from the dose of 1 microgram/rat. A comparable effect was obtained with 10-200 times higher intraperitoneal (i.p.) doses. The i.c.v. injection of the oxytocin antagonist d(CH2)5-Tyr...

journal_title：Neuropeptides

authors： Arletti R,Benelli A,Bertolini A

更新日期：1993-03-01 00:00:00

abstract：:We have used immunohistochemistry and in situ hybridization histochemistry to visualize CGRP and the mRNA encoding the CGRP precursor in the stomach. CGRP is present in nerve fibers in the mucosa. CGRP mRNA and CGRP itself are also found in non-neural cells in the lamina propria. These cells are likely to be macrophag...

journal_title：Neuropeptides

authors： Jakab G,Webster HD,Salamon I,Mezey E

更新日期：1993-02-01 00:00:00

abstract：:Pheochromocytoma (PC-12) cells exposed to nerve growth factor (NGF) acquire a sympathetic neuron-like phenotype. This NGF-response is blocked by methylation inhibitors and can be mimicked by the farnesylated methylated small GTP-binding protein p21ras. The implicated involvement of prenylation, methylation and a small...

journal_title：Neuropeptides

authors： Haklai R,Lerner S,Kloog Y

更新日期：1993-01-01 00:00:00

abstract：:In this study the influence of acute exposure of gastric mucosa to the sensory neurotoxin capsaicin on basal gastric acid secretion and on secretion induced by 2-deoxy-D-glucose or histamine in conscious dogs with gastric fistulae has been investigated. Under basal conditions intragastric capsaicin (160 microM, 50 ml ...

journal_title：Neuropeptides

authors： Soldani G,Mengozzi G,Intorre L,Pacini F,Evangelista S

更新日期：1992-12-01 00:00:00

abstract：:The effects of thyroliberin (TRH), a TRH-like tripeptide colon mitosis inhibitor (CMI), a somatostatin analog SMS 201-995 and metoclopramide (dopamine receptor antagonist enhancing prolactin secretion) on rat thymus cell proliferation were investigated. The incorporation of bromodeoxyuridine (BrDU) into thymic cell nu...

journal_title：Neuropeptides

authors： Pawlikowski M,Zerek-Mełeń G,Winczyk K

更新日期：1992-11-01 00:00:00

abstract：:The role of somatostatin and a stable analogue, sandostatin (Octreotide), on the responses of spinal cord neurones in vivo was investigated in the rat. Electrical C-fibre stimulation was used as a model of acute nociception and the response to subcutaneous formalin was used as a model of longer term events. Intratheca...

journal_title：Neuropeptides

authors： Chapman V,Dickenson AH

更新日期：1992-11-01 00:00:00

abstract：:Since there are conflicting reports regarding the effects of somatostatin (SS) on cyclic AMP levels in astrocytes derived from rat cerebral cortex and, to date, the SS binding to mature astrocytes is unknown, the present study has determined SS binding and its effect on cyclic AMP accumulation in a fresh astrocyte-ric...

journal_title：Neuropeptides

authors： Colás B,Arilla E,Prieto JP

更新日期：1992-09-01 00:00:00

abstract：:Somatostatin, substance P, and vasoactive intestinal polypeptide were incubated in an adenylate cyclase assay with a particulate fraction of caudate-putamen tissue of the rat in order to examine the effect of the neuropeptides on G-protein coupled adenylate cyclase in vitro. Somatostatin induced an enhancement of cycl...

journal_title：Neuropeptides

authors： Moser A,Cramer H

更新日期：1992-07-01 00:00:00

abstract：:The effects of several doses of porcine brain natriuretic peptide-32 (pBNP-32) administered into the lateral brain ventricle were tested as regards the consolidation of passive avoidance learning in rats. The peptide was found to increase the passive avoidance latency in a dose-dependent manner. In order to clarify wh...

journal_title：Neuropeptides

authors： Bidzseranova A,Várga J,Telegdy G

更新日期：1992-06-01 00:00:00

abstract：:CSF methionine and leucine enkephalins were measured by high performance liquid chromatography and radioimmunoassay in diabetic patients with painful neuropathy (n = 22) and painless neuropathy (n = 5), and non-diabetic subjects with low back pain (n = 11). Wide variations in CSF enkephalin levels were found and they ...

journal_title：Neuropeptides

authors： Chan AW,Macfarlane IA,Masson EA,Bowsher D,Morley JS,Venn RF

更新日期：1992-06-01 00:00:00

abstract：:In previous studies, membranes from chicken gastrointestinal tissues failed to bind appreciable levels of 125I-APP labeled at the C-terminus. In order to address the suggestion that this was due to steric hindrance of the critical C-terminus, N-terminally labeled 125I-APP was utilized in in vitro membrane binding assa...

journal_title：Neuropeptides

authors： Adamo ML,Hazelwood RL

更新日期：1992-04-01 00:00:00

abstract：:Injection of endothelin-1 (9 pmol) into the lateral cerebral ventricle of rats produced barrel-rotations, convulsions, tonic hindlimb extensions, facial clonus, and kinetic ataxia for up to 45 min. Quantitative metabolic autoradiographs produced from the [14C]deoxyglucose method and analyzed over 60 individual brain s...

journal_title：Neuropeptides

authors： Gross PM,Wainman DS,Espinosa FJ,Nag S,Weaver DF

更新日期：1992-04-01 00:00:00

abstract：:The level of opioid peptides in several brain areas and in the pituitary was estimated in WAG/Rij rats, which are considered to be a genetic animal model for human absence epilepsy. In comparison with three groups of non-epileptic controls, these epileptic rats had an elevated level of the proenkephalin-derived peptid...

journal_title：Neuropeptides

authors： Lasoń W,Przewłocka B,Van Luijtelaar EL,Coenen AM,Przewłocki R

更新日期：1992-03-01 00:00:00

abstract：:Our previous study showed that intracerebroventricular (ICV) administration of corticotropin-releasing hormone (CRH) produced a significant increase in locomotor activity at a dose of 1 microgram and slow stereotypy with prominent grooming at a dose of 10 micrograms. In addition, the ICV administration of CRH caused a...

journal_title：Neuropeptides

authors： Takamatsu Y,Yamamoto H,Ogunremi OO,Matsuzaki I,Moroji T

更新日期：1991-12-01 00:00:00

abstract：:Previous behavioural and electrophysiological studies have indicated an antinarcotic action of thyrotropin-releasing hormone (TRH) and its analogues in antagonizing the action of CNS depressant drugs, including baclofen and a variety of anesthetics. While beta-adrenergic receptors are implicated in the level of anaest...

journal_title：Neuropeptides

authors： Clarke KA,Djouhri L

更新日期：1991-09-01 00:00:00

abstract：:We have evaluated the peripheral blood natural killer (NK) cell activity and the in vitro effect of recombinant gamma-interferon (r gamma-IFN) on NK cell activity in 23 patients with a neuroendocrine tumour of the pancreas, small intestine or liver, and 23 healthy controls. Patients with a gastrinoma showed a NK cell ...

journal_title：Neuropeptides

authors： Aparicio-Pagés MN,Verspaget HW,Peña AS,Jansen JB,Lamers CB

更新日期：1991-09-01 00:00:00

abstract：:The recent surge of scientific interest in 5-hydroxytryptamine3 (5-HT3) receptors can be attributed largely to the rapid increase in the number of potent and selective 5-HT3 receptor antagonists. The availability of a large variety of chemically diverse 5-HT3 compounds allows for a unique opportunity to apply computer...

journal_title：Neuropeptides

authors： Peroutka SJ

更新日期：1991-07-01 00:00:00

abstract：:The effects of central (clonazepam, an agonist, and FG 7142, an inverse agonist), mixed (diazepam) or peripheral type (Ro 5-4864) benzodiazepine receptor ligands on the action of TRH on the transmurally stimulated rat duodenum and binding of [3H][3-Me-His2] TRH in the rat anterior pituitary, hypothalamus, cortex and b...

journal_title：Neuropeptides

authors： Järvinen A,Paakkari I,Männistö PT

更新日期：1991-07-01 00:00:00

abstract：:The desire of the pharmaceutical industry to obtain more selective agents for the treatment of anxiety with fewer or diminished side effects and a profile consistent with safety during long-term use resulted in a search which has identified the azapirones as a new class of anxiolytics which lack structural or biochemi...

journal_title：Neuropeptides

authors： Taylor DP,Moon SL

更新日期：1991-07-01 00:00:00

abstract：:Quantitative evaluation of octadecaneuropeptide-like immunoreactivity (ODN-Li) was carried out in hippocampus, cortex and cerebellum of group-reared or three month isolated male Wistar rats, whether muricidal or not. ODN-Li was lower in cortex and cerebellum of isolated animals, (mainly in muricidal) than of group-rea...

journal_title：Neuropeptides

authors： Miachon S,Tonon MC,Vaudry H,Buda M

更新日期：1991-07-01 00:00:00

abstract：:Here we report that chicken pineal membranes express high affinity receptors for Vasoactive Intestinal Peptide (VIP), as revealed by competitive displacement analysis of [3-iodotyrosyl-125I]-VIP by native VIP. These binding sites were further characterized by covalent cross-linking of radioiodinated VIP to chicken pin...

journal_title：Neuropeptides

authors： Meunier AC,Voisin P,Van Camp G,Cenatiempo Y,Muller JM

更新日期：1991-05-01 00:00:00

abstract：:Neuropeptide Y (NPY) potentiates noradrenaline (NA)-evoked constriction of circular segments of the rabbit femoral artery. The potentiation occurs exclusively in the lower concentration-range of the agonist NA (10(-8)-3 x 10(-7) M) without any change in maximum contractile effect. NPY per se is without contractile eff...

journal_title：Neuropeptides

authors： Adamsson M,Edvinsson L

更新日期：1991-05-01 00:00:00

abstract：:We have used [3H]Senktide, a selective Neurokinin B receptor ligand, for the characterization of NK-3 receptors in rat and guinea pig CNS membranes. Scatchard analysis of saturation binding studies in cerebral cortex membranes indicated that this ligand bound to a single site with apparent high affinity (KD = 4.6 +/- ...

journal_title：Neuropeptides

authors： Renzetti AR,Barsacchi P,Criscuoli M,Lucacchini A

更新日期：1991-03-01 00:00:00

abstract：:In situ hybridisation histochemistry was used to study the effect of intra-peritoneal reserpine administration on messenger RNA (mRNA) levels in the locus coeruleus (LC) of the rat. 48h after injection, levels of mRNA encoding tyrosine hydroxylase (TH) and neuropeptide Y (NPY) in the LC increased to approximately 250%...

journal_title：Neuropeptides

authors： Foster OJ,Biswas S,Lightman SL

更新日期：1991-03-01 00:00:00

abstract：:We have described the binding of [125I]endothelin-1 (ET-1) to cultured rat cerebellar granule cells. Binding of [125I]ET-1 was specific, saturable, and time-dependent. Scatchard analysis of saturation binding data indicated a single class of high affinity binding site with a KD of 95 pM, and a Bmax of 8110 receptors/c...

journal_title：Neuropeptides

authors： Lysko PG,Feuerstein G,Pullen M,Wu HL,Nambi P

更新日期：1991-02-01 00:00:00

abstract：:Possible positive reinforcing and aversive effects of intraperitoneally (ip) administered substance P (SP) and its C-terminal heptapeptide analog [pGlu5, MePhe8, Sar9]-SP5-11 (DIME-C7) were investigated in rats. The 'conditioned corral preference and avoidance procedure' was used for assessing positive and negative re...

journal_title：Neuropeptides

authors： Hasenöhrl RU,Gerhardt P,Huston JP

更新日期：1990-12-01 00:00:00

abstract：:This study investigated the nature of the cholecystokinin-like immunoreactivity (CCKLI) in the dorsal horn of the rat spinal cord. Indeed, using the same antiserum, no variation of radioimmunoassayable CCKLI in the dorsal horn of rats treated neonatally with capsaicin could be seen, whereas the density of immunoreacti...

journal_title：Neuropeptides

authors： Zouaoui D,Benoliel JJ,Conrath M,Cesselin F

更新日期：1990-12-01 00:00:00