The presence and ancestral role of gonadotropin-releasing hormone in the reproduction of scleractinian coral, Euphyllia ancora.

abstract：:Recent research progress indicates a close link between ghrelin, a natural ligand of GH secretagogues receptor (GHS-R), and both the metabolic balance and body composition. To clarify the involvement of ghrelin and GHS-R in the process of adipogenesis, we measured the expression of GHS-R and peroxisome proliferator-ac...

journal_title：Endocrinology

authors： Choi K,Roh SG,Hong YH,Shrestha YB,Hishikawa D,Chen C,Kojima M,Kangawa K,Sasaki S

更新日期：2003-03-01 00:00:00

abstract：:Ghrelin, a novel 28 amino acid peptide found in hypothalamus and stomach, was recently identified as the endogenous ligand for the growth hormone secretagogue receptor (GHS-R). We have now found that both intracerebroventricular (i.c.v.) and intraperitoneal (i.p.) administration of ghrelin in freely feeding rats stimu...

journal_title：Endocrinology

authors： Wren AM,Small CJ,Ward HL,Murphy KG,Dakin CL,Taheri S,Kennedy AR,Roberts GH,Morgan DG,Ghatei MA,Bloom SR

更新日期：2000-11-01 00:00:00

abstract：:The circadian rhythm of glucocorticoids affects diverse physiological systems, including stress responses and the coordination of rhythmic functions in peripheral and central tissues. Circadian clocks are considered to be important coordinators of glucocorticoid release and loss of the core clock component Brain and m...

journal_title：Endocrinology

authors： Dumbell R,Leliavski A,Matveeva O,Blaum C,Tsang AH,Oster H

更新日期：2016-11-01 00:00:00

abstract：:Uterine ornithine decarboxylase (ODC) activity is reported to increase after estrogen administration to fetal, neonatal, immature, and adult rats, suggesting that it may be a useful marker in studies of the development of estrogen responsiveness. Standard conditions were validated for enzyme assay of uterine cytosols ...

journal_title：Endocrinology

authors： Olson ME,Sheehan DM,Branham WS

更新日期：1983-11-01 00:00:00

abstract：:To examine the relationship between the expression of insulin-like growth factor (IGF)-binding protein-2 (IGFBP-2) and cell growth in a cell type with a defined IGF/IGFBP system, an ovine IGFBP-2 complementary DNA was overexpressed in C6 glioma cells. C6 cells produce IGFBP-3, IGFBP-4, a negligible amount of IGFBP-2, ...

journal_title：Endocrinology

authors： Bradshaw SL,D'Ercole AJ,Han VK

更新日期：1999-02-01 00:00:00

abstract：:p-Tyramine, an endogenous amine with sympathomimetic action, is found in the mammalian hypothalamus. When injected ip, p-tyramine reduced serum PRL without altering LH and TSH serum titers in adult orchidectomized rats and rats subjected to ether or immobilization stress. The hyperprolactinemia achieved by this last p...

journal_title：Endocrinology

authors： Becú-Villalobos D,Lacau de Mengido IM,Libertun C

更新日期：1985-05-01 00:00:00

abstract：:We previously reported that cAMP inhibits autocrine IGF-I gene expression in rat C6 glioma cells. In this study we examined the influence of cAMP on IGF-binding protein gene expression in C6 cells. cAMP potently inhibited IGF-binding protein-3 mRNA and, to a lesser extent, IGF-binding protein-4 mRNA and transiently st...

journal_title：Endocrinology

authors： Wang L,Ma X,Yeh LC,Adamo ML

更新日期：2001-09-01 00:00:00

abstract：:Progesterone (P4) is essential for female fertility. The objective of this study was to evaluate the functional requirement of the nonclassical P4 receptor (PGR), PGR membrane component 1, in regulating female fertility. To achieve this goal, the Pgrmc1 gene was floxed by insertion of loxP sites on each side of exon 2...

journal_title：Endocrinology

authors： McCallum ML,Pru CA,Niikura Y,Yee SP,Lydon JP,Peluso JJ,Pru JK

更新日期：2016-09-01 00:00:00

abstract：:Various hormones and growth factors act at least in part by raising the cytosolic pH of the target cell. In the present studies we examined the influence of the muscarinic cholinergic agonist carbachol on intracellular pH (pHi) in chicken granulosa cells. The pHi in granulosa cells from the two largest preovulatory fo...

journal_title：Endocrinology

authors： Li M,Morley P,Schwartz JL,Whitfield JF,Tsang BK

更新日期：1992-07-01 00:00:00

abstract：:The expression of melatonin receptors (MR) of the Mel1a subtype in basolateral membrane of guinea pig kidney proximal tubule suggests that melatonin plays a role in regulating epithelial functions. To investigate the cellular basis of melatonin action on epithelia, we sought to establish an appropriate in vitro cultur...

journal_title：Endocrinology

authors： Chan CW,Song Y,Ailenberg M,Wheeler M,Pang SF,Brown GM,Silverman M

更新日期：1997-11-01 00:00:00

abstract：:GH treatment increases protein deposition and the efficiency of dietary protein used for growth. To identify the mechanisms that regulate tissue protein synthesis in response to exogenous GH treatment, fully fed, growing swine were treated with GH for 7 d. Fasted and fed pigs were infused with [1-(13)C]leucine to dete...

journal_title：Endocrinology

authors： Bush JA,Kimball SR,O'Connor PM,Suryawan A,Orellana RA,Nguyen HV,Jefferson LS,Davis TA

更新日期：2003-04-01 00:00:00

abstract：:Gonadotropin-regulated testicular RNA helicase (GRTH/Ddx25) is a posttranscriptional regulator of genes that are essential for spermatid elongation and completion of spermatogenesis. It also prevents Leydig cells (LCs) from gonadotropin overstimulation of androgen production. In transgenic (Tg) mice carrying deletions...

journal_title：Endocrinology

authors： Kavarthapu R,Tsai-Morris CH,Fukushima M,Pickel J,Dufau ML

更新日期：2013-06-01 00:00:00

abstract：:To test the hypothesis that angiotensin (Ang) II induces profibrotic gene expression through endogenous aldosterone, we measured the effect of 4 h infusion (600 ng/kg x min) of Ang II on tissue mRNA expression of plasminogen activator inhibitor 1 (PAI-1), preproendothelin-1 (ppET-1), TGF-beta, and osteopontin in wild-...

journal_title：Endocrinology

authors： Luther JM,Wang Z,Ma J,Makhanova N,Kim HS,Brown NJ

更新日期：2009-05-01 00:00:00

abstract：:cAMP is involved in the regulation of secretory activity in lactotrope, thyrotrope, and gonadotrope cells. The present study examined whether pulsatile or intermittent changes in cAMP are more effective than a continuous stimulation in increasing pituitary hormone gene expression. Pituitaries from adult female rats we...

journal_title：Endocrinology

authors： Haisenleder DJ,Yasin M,Marshall JC

更新日期：1992-12-01 00:00:00

abstract：:Earlier studies have shown that lactation-induced bone loss in the rat is both PTH- and vitamin D-independent and have suggested the involvement of another, as yet unidentified, factor(s) in the altered calcium metabolism which accompanies lactation. In the present study, we investigated the possibility that PTH-relat...

journal_title：Endocrinology

authors： Yamamoto M,Duong LT,Fisher JE,Thiede MA,Caulfield MP,Rosenblatt M

更新日期：1991-11-01 00:00:00

abstract：:Mammary gland is an organ that undergoes cycles of growth, differentiation, and function during pregnancy and lactation. Although it is known that the gland enhances its sensitivity to insulin during lactation, it remains to be investigated whether this increased sensitivity develops during pregnancy and which are the...

journal_title：Endocrinology

authors： Carrascosa JM,Ramos P,Molero JC,Herrera E

更新日期：1998-02-01 00:00:00

abstract：:Estrogens are essential hormones for the regulation of fertility. Cellular responses to estrogens are mediated by estrogen receptor α (ESR1) and estrogen receptor β (ESR2). In mouse and rat models, disruption of Esr1 causes infertility in both males and females. However, the role of ESR2 in reproductive function remai...

journal_title：Endocrinology

authors： Rumi MAK,Singh P,Roby KF,Zhao X,Iqbal K,Ratri A,Lei T,Cui W,Borosha S,Dhakal P,Kubota K,Chakraborty D,Vivian JL,Wolfe MW,Soares MJ

更新日期：2017-07-01 00:00:00

abstract：:Although GH plays a key role in postnatal growth, prenatal growth is thought to be GH independent. However, recent data has shown GH receptor/binding protein (GHR/BP) to be present in rat fetal tissues as early as fetal stage E12. The aim of the present study was to investigate tissue-specific production of the GHR/BP...

journal_title：Endocrinology

authors： Edmondson SR,Werther GA,Russell A,LeRoith D,Roberts CT Jr,Beck F

更新日期：1995-10-01 00:00:00

abstract：:In female mammals, reproduction is sensitive to the availability of metabolic fuels, and food deprivation has been shown to suppress pulsatile LH secretion, attenuate the preovulatory LH surge, and prevent ovulation. It has been suggested that food deprivation impairs fertility by reducing the secretion of GnRH by GnR...

journal_title：Endocrinology

authors： Berriman SJ,Wade GN,Blaustein JD

更新日期：1992-11-01 00:00:00

abstract：:The Src homology 2-containing tyrosine phosphatase, Shp-2, is a crucial enzyme that mediates intracellular signaling and is implicated in cell proliferation and differentiation. Here we investigated the involvement of the Shp-2 tyrosine phosphatase in determining the downstream signaling pathways initiated by the Ret ...

journal_title：Endocrinology

authors： D'Alessio A,Califano D,Incoronato M,Santelli G,Florio T,Schettini G,Carlomagno MS,Cerchia L,de Franciscis V

更新日期：2003-10-01 00:00:00

abstract：:Galanin-like peptide (GALP), a 29-amino-acid neuropeptide, is located in the hypothalamic arcuate nucleus (ARC), binds to galanin receptor subtype 2, and induces food intake upon intracerebroventricular (icv) injection in rats. However, neural mechanisms underlying its orexigenic action remain unclear. We aimed to ide...

journal_title：Endocrinology

authors： Kuramochi M,Onaka T,Kohno D,Kato S,Yada T

更新日期：2006-04-01 00:00:00

abstract：:Stimulation of rat granulosa cell aromatase activity by FSH has recently been used as a sensitive biological end point to develop an in vitro FSH bioassay. The present report provides a detailed validation and application of this assay. In the presence of androstenedione and diethylstilbestrol, FSH stimulated estrogen...

journal_title：Endocrinology

authors： Jia XC,Hsueh AJ

更新日期：1986-10-01 00:00:00

abstract：:A1/A2 noradrenergic neurons in the medulla oblongata are well known to mediate stress signals in the central nervous system. Stress activates A1/A2 noradrenergic neurons, and then noradrenaline (NA) stimulates ACTH secretion through hypothalamic CRH. On the other hand, PRL-releasing peptide (PrRP) was recently isolate...

journal_title：Endocrinology

authors： Maruyama M,Matsumoto H,Fujiwara K,Noguchi J,Kitada C,Fujino M,Inoue K

更新日期：2001-05-01 00:00:00

abstract：:Human pituitary prolactin (hPRL) contains a single major component. Upon iodination by a lactoperoxidase procedure approximately 50% of this component remains ulaltered in molecular size and net charge by the criteria of quantitative polyacrylamide gel electrophoresis (PAGE). Aminiotic fluid hPRL contains two componen...

journal_title：Endocrinology

authors： Rogol AD,Chrambach A

更新日期：1975-08-01 00:00:00

abstract：:By the use of sucrose density gradient and protamine sulfate analyses, the cytosol fraction of rat lung has been found to contain binding activities for both androgenic and estrogenic steroids. These activities are present in lungs of rats of both sexes and at all ages examined. Both activities interacted stereospecif...

journal_title：Endocrinology

authors： Morishige WK,Uetake CA

更新日期：1978-06-01 00:00:00

abstract：:The trace element vanadium (V) exerts insulin-like effects in vitro. The present study examined its effects on glucose homeostasis in rats made diabetic by streptozotocin. Na3VO4 (0.2 or 0.5 mg/ml) was administered ad libitum in drinking water. Fed plasma glucose levels (approximately 26 mmol/liter) fell by 30% and 56...

journal_title：Endocrinology

authors： Brichard SM,Okitolonda W,Henquin JC

更新日期：1988-10-01 00:00:00

abstract：:Adult Leydig cells are derived from proliferating stem/progenitor Leydig cells in the infant testis and subsequent differentiation to steroidogenic cells in adult mice. Leydig cell proliferation in the infant testis occurs primarily in response to increased levels of LH that induce Leydig cell expression of neuregulin...

journal_title：Endocrinology

authors： Umehara T,Kawashima I,Kawai T,Hoshino Y,Morohashi KI,Shima Y,Zeng W,Richards JS,Shimada M

更新日期：2016-12-01 00:00:00

abstract：:Exposure to testosterone (T) during d 30-90 of fetal life results in low-birth-weight offspring, hypergonadotropism, multifollicular ovaries, and early cessation of cyclicity. The multifollicular phenotype may result from failure of follicles to regress and consequent follicular persistence or, alternatively, increase...

journal_title：Endocrinology

authors： Steckler T,Wang J,Bartol FF,Roy SK,Padmanabhan V

更新日期：2005-07-01 00:00:00

abstract：:We have recently identified gonadotropes as target cells for ATP action via ATP receptors of the P2U subtype. The present studies have used gonadotrope-derived alpha T3-1 cells to examine the possible signaling mechanisms subserving ATP action in gonadotropes. Addition of ATP produced a biphasic intracellular Ca2+ (Ca...

journal_title：Endocrinology

authors： Chen ZP,Kratzmeier M,Poch A,Xu S,McArdle CA,Levy A,Mukhopadhyay AK,Lightman SL

更新日期：1996-01-01 00:00:00

abstract：:In previous studies we have shown that aromatase cytochrome P450 (P450arom) mRNA and protein increase markedly in luteal tissue between days 10-19 of gestation, whereas cholesterol side-chain cleavage cytochrome P450 (P450scc) appears to be constitutively maintained regardless of hormonal changes occurring during preg...

journal_title：Endocrinology

authors： Hickey GJ,Oonk RB,Hall PF,Richards JS

更新日期：1989-09-01 00:00:00