Possible existence of a new tachykinin receptor subtype in the guinea pig ileum.

abstract：:In the cephalopod mollusk Octopus vulgaris, the gonadotropic hormone released by the optic gland controls sexual maturity. Several lobes of the central nervous system control the activity of this gland. In one of these lobes, the olfactory lobe, a gonadotropin releasing hormone (GnRH) neuronal system has been describe...

journal_title：Peptides

authors： Di Cristo C,De Lisa E,Di Cosmo A

更新日期：2009-03-01 00:00:00

abstract：:In vitro pepsin treatment of plasma proteins generates biologically active peptides such as enkephalin-related peptides. These peptides were characterized using chromatographic techniques along with a radioimmunoassay procedure involving the use of Leu-enkephalin and Met-enkephalin antisera. Serum albumin is the only ...

journal_title：Peptides

authors： Garreau I,Pejoan C,Bressollier P,Verneuil B,Cucumel K,Cupo A

更新日期：1994-01-01 00:00:00

abstract：:This report reviews the hypothesis that peptides play a role in appetite modulation, stressing that the available evidence is predominantly pharmacological and thus caution needs to be taken in assigning physiological significance at this time. Two peptide systems have been postulated--a peripheral satiety system, typ...

journal_title：Peptides

authors： Morley JE,Levine AS,Gosnell BA,Mitchell JE,Krahn DD,Nizielski SE

更新日期：1985-01-01 00:00:00

abstract：:Parathyroid hormone (PTH) has been shown to have actions within the brain, suggesting the presence of central PTH receptors. This possibility was examined by determining the binding of 125I-labeled [Nle8,18,Tyr34]bovine PTH to the plasma membranes of rat and rabbit brains. Specific binding of the tracer to membranes o...

journal_title：Peptides

authors： Harvey S,Hayer S

更新日期：1993-11-01 00:00:00

abstract：:VIP stimulates adenylate cyclase activity of male and female rat anterior pituitaries and human prolactinomas, while dopamine inhibits the enzyme activity of female rat pituitaries and prolactinomas. A dopamine inhibited cyclase can be detected also in male rats provided the enzyme activity is increased by VIP. The an...

journal_title：Peptides

authors： Oliva D,Vallar L,Giannattasio G,Spada A,Nicosia S

更新日期：1984-11-01 00:00:00

abstract：:Effects of pentobarbital, chlordiazepoxide and ethanol were studied alone and in combination with thyrotropin-releasing hormone (TRH), IM, on punished behavior. Key-peck responses of pigeons were maintained by food presentation under a fixed-interval 3-min schedule in which every 30th response produced shock. Moderate...

journal_title：Peptides

authors： Witkin JM,Sickle J,Barrett JE

更新日期：1984-07-01 00:00:00

abstract：:The presence of immunoreactive porcine brain natriuretic peptide in rat tissues was studied with a specific radioimmunoassay for porcine brain natriuretic peptide-26. The cross-reactivity of the antiserum used was less than 0.001% with rat atrial natriuretic peptide, rat brain natriuretic peptide-32 and rat brain natr...

journal_title：Peptides

authors： Sone M,Totsune K,Takahashi K,Ohneda M,Itoi K,Murakami O,Yoshinaga K,Mouri T

更新日期：1991-11-01 00:00:00

abstract：:Intrahypothalamic injection of amylin (AMY) was shown to reduce the intake of rat chow and water for 8 and 4 h, respectively, in schedule-fed rats. Amylin also reduced water intake to a much lesser degree in 24-h water-deprived rats. A test of the ability of AMY to form a conditioned taste aversion yielded no change i...

journal_title：Peptides

authors： Chance WT,Balasubramaniam A,Chen X,Fischer JE

更新日期：1992-09-01 00:00:00

abstract：:Imidazole-related dipeptides, such as carnosine and anserine, occur widely in skeletal muscles of jawed vertebrates. All of the known enzymes that catalyze the hydrolysis of these dipeptides belong to the M20A metallopeptidase subfamily; two secretory enzymes, serum carnosinase (EC 3.4.13.20) and anserinase (EC 3.4.13...

journal_title：Peptides

authors： Oku T,Ando S,Hayakawa T,Baba K,Nishi R,Shiozaki K,Yamada S

更新日期：2011-04-01 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：:To determine if different subtypes of mu-opioid receptors were involved in antinociception induced by endomorphin-1 and endomorphin-2, the effect of pretreatment with various mu-opioid receptor antagonists beta-funaltrexamine, naloxonazine and 3-methylnaltrexone on the inhibition of the paw-withdrawal induced by endom...

journal_title：Peptides

authors： Sakurada S,Hayashi T,Yuhki M,Fujimura T,Murayama K,Yonezawa A,Sakurada C,Takeshita M,Sato T,Zadina JE,Kastin AJ,Sakurada T

更新日期：2002-05-01 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：:Endokinins are novel tachykinins encoded on the human TAC4 and consist of Endokinin A (EKA), B (EKB), C (EKC) and D (EKD). To date, the function of Endokinins in pain processing was not fully understood. Therefore the aim of this study was to investigate the effects of Endokinin A/B (EKA/B, the common C-terminal decap...

journal_title：Peptides

authors： Yang Y,Dong S

更新日期：2010-01-01 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：:Previous studies have shown that the nervous system and other tissues of molluscs contain a number of peptides that potently excite molluscan hearts. Two such peptides, termed small cardioactive peptides A and B (SCPA and SCPB) are present in large quantities in the nervous system of Aplysia. These peptides are widely...

journal_title：Peptides

authors： Lloyd PE,Kupfermann I,Weiss KR

更新日期：1987-01-01 00:00:00

abstract：:Recent data suggests that neurons expressing the long form of the leptin receptor form at least two distinct groups within the caudal nucleus of the solitary tract (NTS): a group within the lateral NTS (Slt) and one within the medial (Sm) and gelantinosa (Sg) NTS. Discrete injections of leptin into Sm and Sg, a region...

journal_title：Peptides

authors： Ciriello J

更新日期：2013-06-01 00:00:00

abstract：:The immunoregulatory role of methionine-enkephalin (Met-enk) is well studied in mammals, but has not been explored in ectotherms despite the fact that this peptide is highly conserved in vertebrates. The present study demonstrates the diverse effects of Met-enk depending on its concentration and specific function of s...

journal_title：Peptides

authors： Singh R,Rai U

更新日期：2009-06-01 00:00:00

abstract：:Numerous substance P (SP) immunoreactive nerve fibers were located around submucosal glands in the guinea pig nasal mucosa. Since these SP positive nerve fibers were also positive for vasoactive intestinal polypeptide, and to a lessor extent for neuropeptide Y, they were presumed to be parasympathetic fibers. SP recep...

journal_title：Peptides

authors： Shibano A,Kawai Y,Senba E

更新日期：1998-01-01 00:00:00

abstract：:Tachykinins are multifunctional neuropeptides that have been identified in vertebrates as well as invertebrates. The C-terminal FXGXRa-motif constitutes the consensus active core region of invertebrate tachykinins. In Drosophila, two putative G protein-coupled tachykinin receptors have been cloned: DTKR and NKD. This ...

journal_title：Peptides

authors： Poels J,Verlinden H,Fichna J,Van Loy T,Franssens V,Studzian K,Janecka A,Nachman RJ,Vanden Broeck J

更新日期：2007-01-01 00:00:00

abstract：:Recent refinements in methodology now permit the study of endogenous peptide hormones in their individual target cells. The investigations reported here deal with the question of whether endogenous ACTH can be detected in its target cells in the highly active adrenal gland of the normally lactating rat. This question ...

journal_title：Peptides

authors： Nolin JM

更新日期：1980-10-01 00:00:00

abstract：:I.c.v. injection for 9 days of either naltexone (NTX) (5, 10, 20, 40 micrograms/rat) or a selective mu peptide (CTOP) (0.125, 0.25, 0.5, 1, 3, 6 micrograms/rat) or delta (naltrindole) (NLT) (5, 10, 20 micrograms/rat) subtype opioid receptor antagonist affected sensitization to cocaine (COC) (50 mg/kg, i.p.) administer...

journal_title：Peptides

authors： Braida D,Paladini E,Gori E,Sala M

更新日期：1997-01-01 00:00:00

abstract：:The neuropeptide calcitonin gene-related peptide (CGRP) may play a role in neurogenic inflammation, tissue remodeling of the uterine cervix, promoting vasodilation, parturition, and processing of sensory information in the spinal cord. CGRP-immunoreactive nerves of the cervix and spinal cord have been studied but cell...

journal_title：Peptides

authors： Pokabla MJ,Dickerson IM,Papka RE

更新日期：2002-03-01 00:00:00

abstract：:Defense peptides play a crucial role in insect innate immunity against invading pathogens. From the hemolymph of immune-challenged greater wax moth, Galleria mellonella (Gm) larvae, eight peptides were isolated and characterized. Purified Gm peptides differ considerably in amino acid sequences, isoelectric point value...

journal_title：Peptides

authors： Cytryńska M,Mak P,Zdybicka-Barabas A,Suder P,Jakubowicz T

更新日期：2007-03-01 00:00:00

abstract：:Obestatin is a 23-amino-acid peptide originally regarded as an anorexigenic factor. However, most of the subsequent studies failed to confirm the initially reported anorexigenic properties of obestatin. Obestatin is incapable of crossing the blood brain barrier (BBB), which may affect its biological function. Here, we...

journal_title：Peptides

authors： Ren G,He Z,Cong P,Chen H,Guo Y,Yu J,Liu Z,Ji Q,Song Z,Chen Y

更新日期：2013-04-01 00:00:00

abstract：:Using a radioimmunoassay against the C-terminal sequence Arg-Pro-NH2 (RPamide), we have isolated the peptide Leu-Pro-Pro-Gly-Pro-Leu-Pro-Arg-Pro-NH2 (Antho-RPamide) from an extract of the sea anemone Anthopleura elegantissima. Antho-RPamide is located in neurons of sea anemones. Application of low concentrations of An...

journal_title：Peptides

authors： Carstensen K,Rinehart KL,McFarlane ID,Grimmelikhuijzen CJ

更新日期：1992-09-01 00:00:00

abstract：:Urotensin II (UII), first identified from goby urophysis, is a potent vasoactive peptide hormone and an endogenous ligand for an orphan G protein-coupled receptor GPR14, now named urotensin II receptor (UT-R). In addition to its vascular actions, UII has been shown to have mitogenic effects on tumor growth and some re...

journal_title：Peptides

authors： Morimoto R,Satoh F,Murakami O,Totsune K,Arai Y,Suzuki T,Sasano H,Ito S,Takahashi K

更新日期：2008-05-01 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：:In the rat small intestine, neurotrophin-3 immunoreactivity was identified in ganglion cells and in processes mostly innervating the mucosa and occasionally the muscle layer and vasculature. The vast majority of neurotrophin-3 immunoreactive neurons contained vasoactive intestinal polypeptide (VIP), but not substance ...

journal_title：Peptides

authors： De Giorgio R,Arakawa J,Wetmore CJ,Sternini C

更新日期：2000-09-01 00:00:00

abstract：:The use of protein A- and IgG-conjugated colloidal gold staining methods for the immuno-localisation of peptide hormones and neurotransmitters at light- and electron microscope level are described and discussed. Bright-field and dark-ground illumination modes have been used to visualise the gold-labelled antigenic sit...

journal_title：Peptides

authors： Varndell IM,Tapia FJ,Probert L,Buchan AM,Gu J,De Mey J,Bloom SR,Polak JM

更新日期：1982-05-01 00:00:00

abstract：:Intracerebroventricular injections of rat hypothalamic growth hormone-releasing factor (rhGRF) were examined for effects on food intake in free-feeding rats. It was found that, in picomole doses, rhGRF had a stimulatory effect on food intake. Examination of higher doses of rhGRF revealed a decrease in the facilitatory...

journal_title：Peptides

authors： Vaccarino FJ,Feifel D,Rivier J,Vale W,Koob GF

更新日期：1988-01-01 00:00:00