Selective labeling of alpha- or epsilon-amino groups in peptides by the Bolton-Hunter reagent.

abstract：:Osmotic stress stimulates the release of the avian hypothalamic neuropeptide arginine vasotocin (AVT) into the peripheral circulation. We conducted the present study to investigate the effects of salt-loading on AVT secretion and AVT gene expression in specific hypothalamic nuclei in chickens. White Leghorn chickens w...

journal_title：Peptides

authors： Chaturvedi CM,Cornett LE,Koike TI

更新日期：1997-01-01 00:00:00

abstract：:The effects of acute and subchronic administration of chlordiazepoxide (CDZ) on [3H][3-methyl-histidyl2]thyrotropin-releasing hormone binding to thyrotropin-releasing hormone (TRH) receptors in membrane preparations from various regions of rat brain were examined. Acute administration of CDZ (50 mg/kg x 3 within 24 h)...

journal_title：Peptides

authors： Shimoda K,Mason GA,Walker CH,Garbutt JC,Prange AJ Jr

更新日期：1991-01-01 00:00:00

abstract：:The effect of peripheral injections of substance P (SP) on performance in two different configurations of an automated tunnel maze was examined in three experiments. In two experiments, the effect of pretrial SP injections (10-1000 micrograms/kg) on performance in the hexagonal and radial maze configuration of an auto...

journal_title：Peptides

authors： Nagel JA,Welzl H,Bättig K,Huston JP

更新日期：1993-01-01 00:00:00

abstract：:Prolactin (PRL) is known to exert neuroprotective effects against excitotoxic damage in the hippocampus of female rats, both in vitro and in vivo. It is still unknown whether this effect can be seen in the male hippocampus and intracellular signaling mediating such action. To assess this, adult male CD-1 mice were sub...

journal_title：Peptides

authors： Anagnostou I,Muñoz-Mayorga D,Morales T

更新日期：2021-01-01 00:00:00

abstract：:The renin-angiotensin system (RAS) is now recognized as an important modulator of body metabolic processes. The discovery of angiotensin-converting enzyme 2 (ACE2) has renewed interest in the potential therapeutic role of RAS modulation. Recent studies have pointed out the importance of the local balance between ACE/A...

journal_title：Peptides

authors： Moreira de Macêdo S,Guimarães TA,Feltenberger JD,Sousa Santos SH

更新日期：2014-12-01 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：:The effects of arginine vasotocin (AVT), 4-6 ng/kg, on renal function and plasma prolactin (PRL) were determined in conscious American foxhounds undergoing a water diuresis. Intravenous AVT produced an antidiuresis, kaliuresis and inconsistent natriuresis, independently of changes in GFR, blood pressure, heart rate an...

journal_title：Peptides

authors： Gilmore JP,Wesley CR,Huffman L,Nemeh MN

更新日期：1982-11-01 00:00:00

abstract：:Gastrin/CCK peptides in extracts from bovine and porcine pituitary have been characterized by Sephadex gel filtration, reverse phase liquid chromatography and a CCK radioimmunoassay (RIA) which detects both CCK and gastrin [4]. Porcine pituitary extracts contain a small amount of two peptides with chromatographic beha...

journal_title：Peptides

authors： Beinfeld MC

更新日期：1982-05-01 00:00:00

abstract：:Glucocorticoids have been shown to decrease CRF receptor binding in the anterior pituitary. To determine whether glucocorticoids or CRF peptide modulate CRF-R1 gene expression, CRF-R1 mRNA levels in rat pituitary and brain were measured after administration of a synthetic glucocorticoid, dexamethasone (DEX) or rat/hum...

journal_title：Peptides

authors： Zhou Y,Spangler R,LaForge KS,Maggos CE,Ho A,Kreek MJ

更新日期：1996-01-01 00:00:00

abstract：:Immunohistochemical studies were conducted on sections of cat hypothalamus in order to determine the distribution of neurons containing alpha-melanocyte stimulating hormone and beta-endorphin immunoreactivity. A large number of neurons in the arcuate nucleus were stained after incubation of sections with antisera to e...

journal_title：Peptides

authors： Micevych PE,Elde RP

更新日期：1982-07-01 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 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：:Hepcidin is a peptide hormone regulating iron metabolism, the dyshomeostasis of which has been implicated in dementia. Yet, data on hepcidin status in dementia are scanty, limited to Alzheimer's disease (AD) and inconsistent due to methodological problems with its determination using immunoassays and/or lack of homoge...

journal_title：Peptides

authors： Fleszar MG,Wiśniewski J,Berdowska I,Zieliński B,Zboch M,Diakowska D,Gamian A,Krzystek-Korpacka M

更新日期：2019-12-01 00:00:00

abstract：:The effects of amiloride on ANF binding and ANF stimulation of cGMP were evaluated in rat glomeruli. Amiloride increased ANF binding to whole glomeruli and to glomerular membrane preparations. In contrast, amiloride enhanced ANF-stimulated cGMP accumulation only at 37 degrees C in whole glomeruli, but not at 4 degrees...

journal_title：Peptides

authors： Iwata T,Hardee E,Frohlich ED,Cole FE

更新日期：1989-05-01 00:00:00

abstract：:Tissue inhibitor of metalloproteinases-2 (TIMP-2) inhibits angiogenesis by several mechanisms involving either MMP inhibition or direct endothelial cell binding. The primary aim of this study was to identify the TIMP-2 region involved in binding to the previously identified receptor integrin α3β1, and to determine whe...

journal_title：Peptides

authors： Seo DW,Saxinger WC,Guedez L,Cantelmo AR,Albini A,Stetler-Stevenson WG

更新日期：2011-09-01 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

abstract：:We assessed the plasma acyl ghrelin (AG), unacyl ghrelin (UAG), and total ghrelin (TGhr) levels in Chinese adults with pre-diabetes and newly diagnosed diabetes mellitus (NDDM) after an oral glucose tolerance test (OGTT), and abdominal subcutaneous fat area and visceral fat area (VFA) were measured. Fasting AG level w...

journal_title：Peptides

authors： Huang L,Tong Y,Zhang F,Yang Q,Li D,Xie S,Li Y,Cao H,Tang L,Zhang X,Tong N

更新日期：2014-10-01 00:00:00

abstract：:During a stress response, various neuropeptides are secreted in a spatiotemporally coordinated way in the brain. For a precise understanding of peptide functions in a stress response, it is important to investigate when and where they are released, how they diffuse, and how they are broken down in the brain. In the pa...

journal_title：Peptides

authors： Inutsuka A,Ino D,Onaka T

更新日期：2020-11-24 00:00:00

abstract：:A large body of evidence suggests a relationship between depression and coronary heart disease (CHD). Angiotensin-Ⅱ (Ang-Ⅱ) and angiotensin-(1-7) [Ang-(1-7)] are considered to exert biological effects in both conditions. Here, we aimed to determine the role of Ang-Ⅱ and Ang-(1-7) in the occurrence of comorbid depressi...

journal_title：Peptides

authors： Han W,Wei Z,Dang R,Guo Y,Zhang H,Geng C,Wang C,Feng Q,Jiang P

更新日期：2020-09-01 00:00:00

abstract：:In the present study, the newly synthesized TRH analog (L-pGlu-(2-propyl)-L-His-l-ProNH(2); NP-647) was evaluated for its effects in in vitro (oxygen glucose deprivation (OGD)-, glutamate- and H(2)O(2)-induced injury in PC-12 cells) and in vivo (transient global ischemia) models of cerebral ischemic injury. PC-12 cell...

journal_title：Peptides

authors： Rajput SK,Siddiqui MA,Kumar V,Meena CL,Pant AB,Jain R,Sharma SS

更新日期：2011-06-01 00:00:00

abstract：:The aim of the present study was to investigate how suckling influences the plasma levels of oxytocin and vasoactive intestinal peptide in lactating dogs. Blood-samples were drawn from ten lactating beagles during suckling, in week one and week three of the five week long lactation period and the levels of vasoactive ...

journal_title：Peptides

authors： Eriksson M,Lindén A,Stock S,Uvnäs-Moberg K

更新日期：1987-05-01 00:00:00

abstract：:Neurotensin (NT) is a tridecapeptide (less than Glu-Leu-Tyr-Glu-Asn-Lys-Pro-Arg-Arg-Pro-Tyr-Ile-Leu-OH). It has been suggested that the naturally occurring neurotensin in (Gln4)-NT and that it can be hydrolysed to (Glu4)-NT during extraction. The aim of the present study was to determine whether the neurotensin found ...

journal_title：Peptides

authors： Theodorsson-Norheim E

更新日期：1983-07-01 00:00:00

abstract：:The hypotensive effect of proadrenomedullin N-terminal 20 peptide (PAMP) was examined in conscious pregnant (8, 14, and 20 days of pregnancy) and nonpregnant rats. Intravenous administration of PAMP (3-60 nmol/kg) produced a dose-dependent depressor response in both pregnant and nonpregnant rats. However, the maximum ...

journal_title：Peptides

authors： Makino I,Makino Y,Kangawa K,Shibata K

更新日期：1999-12-01 00:00:00

abstract：:Binding sites in the rat forebrain were characterized using (125I-Tyr4)bombesin as a receptor probe. Pharmacology experiments indicate that gastrin releasing peptide (GRP) and the GRP fragments GRP as well as Ac-GRP inhibited radiolabeled (Tyr4)bombesin binding with high affinity. Biochemistry experiments indicated th...

journal_title：Peptides

authors： Wolf SS,Moody TW

更新日期：1985-01-01 00:00:00

abstract：:Somatostatin has been proposed as a regulatory peptide of nutrient entry and fuel homeostasis because of its ability to inhibit the release of substances involved in food digestion and metabolism. The aim of the study was to evaluate the somatostatin response to a test meal in type I diabetics at the clinical onset of...

journal_title：Peptides

authors： Uccioli L,Ghirlanda G,Cotroneo P,Bianchini G,Manto A,Solini A,Annese V,Greco AV

更新日期：1986-01-01 00:00:00

abstract：:Amylin is a peptide hormone that is mainly known to be produced by pancreatic β-cells in response to a meal but amylin is also produced by brain cells in discrete brain areas albeit in a lesser amount. Amylin receptor (AMY) is composed of the calcitonin core-receptor (CTR) and one of the 3 receptor activity modifying ...

journal_title：Peptides

authors： Boccia L,Gamakharia S,Coester B,Whiting L,Lutz TA,Le Foll C

更新日期：2020-10-01 00:00:00

abstract：:Urotensin II (UII) induces the development of cardiac remodeling and atherosclerosis by promoting hypertrophy of cardiomyocytes and mitogenesis of fibroblasts and vascular smooth muscle cells. But its effect on cardiac side population cells (CSPs), one of somatic stem cells, is unclear. The present study examined the ...

journal_title：Peptides

authors： Gong H,Ma H,Liu M,Zhou B,Zhang G,Chen Z,Jiang G,Yan Y,Yang C,Kanda M,Wu J,Yuan J,Li L,Nagai T,Komuro I,Ge J,Zou Y

更新日期：2011-05-01 00:00:00

abstract：:Copeptin can reflect individual's stress state and are correlated with poor outcome of critical illness. The occurrence of postoperative delirium (POD) and cognitive dysfunction (POCD) is associated with worse outcome after coronary artery bypass graft (CABG) surgery. The present study aimed to investigate the ability...

journal_title：Peptides

authors： Dong S,Li CL,Liang WD,Chen MH,Bi YT,Li XW

更新日期：2014-09-01 00:00:00

abstract：:Antibiotic therapy for methicillin-resistant Staphylococcus aureus (MRSA) infections is becoming more difficult in hospitals and communities because of strong biofilm-forming properties and multidrug resistance. Biofilm-associated MRSA is not affected by therapeutically achievable concentrations of antibiotics. Theref...

journal_title：Peptides

authors： Dosler S,Mataraci E

更新日期：2013-11-01 00:00:00

abstract：:Effective management of chronic pain is demanded by ethical as well as medical considerations. Although opioid analgesics remain among the most effective pharmacotherapies for ameliorating many types of pain, their use is clouded by concerns regarding their addictive properties, underscored by the current epidemic of ...

journal_title：Peptides

authors： Gintzler AR,Liu NJ,Storman EM,Wessendorf MW

更新日期：2019-02-01 00:00:00