Ghrelin inhibits the proliferative activity of immature Leydig cells in vivo and regulates stem cell factor messenger ribonucleic acid expression in rat testis.

abstract：:The mineralocorticoid receptor (MR) is a member of the steroid-thyroid hormone receptor superfamily of ligand-dependent transcription factors with diverse functions including the biological actions of aldosterone. Identification of the various transcriptional coregulators of MR is essential for understanding the compl...

journal_title：Endocrinology

authors： Kuppusamy M,Gomez-Sanchez EP,Beloate LN,Plonczynski M,Naray-Fejes-Toth A,Fejes-Toth G,Gomez-Sanchez CE

更新日期：2017-07-01 00:00:00

abstract：:VEGF is produced by osteoblasts and has been postulated to function as an angiogenic stimulus during normal skeletal development and in fracture repair. In this study, we characterized the molecular mechanisms by which experimental hypoxia increases VEGF mRNA in human MG63 osteoblast-like cells. Exposure of MG63 cells...

journal_title：Endocrinology

authors： Akeno N,Czyzyk-Krzeska MF,Gross TS,Clemens TL

更新日期：2001-02-01 00:00:00

abstract：:Human IGF binding protein-3 (hIGFBP-3) overexpression in mice causes hyperglycemia, but its effect on β-cell function is unknown. We compared wild-type mice with mice overexpressing hIGFBP-3 [phoshoglycerate kinase (PGK)BP3] and mutant (Gly⁵⁶/Gly⁸⁰/Gly⁸¹)hIGFBP-3 devoid of IGF binding affinity (PGKmBP3). Intraperitone...

journal_title：Endocrinology

authors： Nguyen KH,Yao XH,Moulik S,Mishra S,Nyomba BL

更新日期：2011-06-01 00:00:00

abstract：:Obesity is associated with chronic inflammation and liver steatoses. Numerous proinflammatory cytokines have been reported to regulate liver glucose and lipid metabolism, thus contributing to the pathogenesis of liver steatosis and/or metabolic dysfunction. Nuclear factor-κB-inducing kinase (NIK) is stimulated by many...

journal_title：Endocrinology

authors： Liu Y,Sheng L,Xiong Y,Shen H,Liu Y,Rui L

更新日期：2017-05-01 00:00:00

abstract：:Free radical production and lipid peroxidation are potentially important mediators in testicular physiology and toxicology. The cytochrome P450 enzymes of the steroidogenic pathway are known to produce free radicals. The present study was conducted to elucidate in vivo the gonadotropin regulation of free radical-media...

journal_title：Endocrinology

authors： Peltola V,Huhtaniemi I,Metsa-Ketela T,Ahotupa M

更新日期：1996-01-01 00:00:00

abstract：:Early obesity and late onset of insulin resistance associated with hormonal imbalances occur in FSH receptor-deficient follitropin receptor knockout female mice. This study tests the hypothesis that chronic high-fat diet aggravates obesogenic changes in a depot-specific manner and explores some molecular links of horm...

journal_title：Endocrinology

authors： Zhang H,Chen X,Aravindakshan J,Sairam MR

更新日期：2007-12-01 00:00:00

abstract：:Thyroid hormones (THs) are charged and iodinated amino acid derivatives that need to pass the cell membrane facilitated by thyroid hormone transmembrane transporters (THTT) to exert their biological function. The importance of functional THTT is affirmed by the devastating effects of mutations in the human monocarboxy...

journal_title：Endocrinology

authors： Johannes J,Jayarama-Naidu R,Meyer F,Wirth EK,Schweizer U,Schomburg L,Köhrle J,Renko K

更新日期：2016-04-01 00:00:00

abstract：:Several neuropeptides with the C-terminal RFamide sequence have been identified in the hypothalamus of a variety of vertebrates. Among the RFamide peptide groups, however, only LPXRFamide peptides, including gonadotropin-inhibitory hormone, have been characterized in the avian brain. In the present study, we sought fo...

journal_title：Endocrinology

authors： Ukena K,Tachibana T,Iwakoshi-Ukena E,Saito Y,Minakata H,Kawaguchi R,Osugi T,Tobari Y,Leprince J,Vaudry H,Tsutsui K

更新日期：2010-05-01 00:00:00

abstract：:GHRH stimulates GH secretion in chickens as in mammals. However, nothing is known about the chicken GHRH receptor (GHRH-R). Here we report the cDNA sequence of chicken GHRH-R. Comparison of the cDNA sequence with the chicken genome localized the GHRH-R gene to chicken chromosome 2 and indicated that the chicken GHRH-R...

journal_title：Endocrinology

authors： Porter TE,Ellestad LE,Fay A,Stewart JL,Bossis I

更新日期：2006-05-01 00:00:00

abstract：:Swine granulosa cells cultured under serum-free conditions in vitro exhibit significant responsivity to the stimulatory actions of estradiol (E2) and FSH or LH. Under these conditions, granulosa cells harvested from either immature or mature Graafian follicles synthesized significantly increased quantities of progeste...

journal_title：Endocrinology

authors： Veldhuis JD,Gwynne JT,Strauss JF 3rd,Demers LM

更新日期：1984-06-01 00:00:00

abstract：:Nowadays, we are bombarded with information on a large number of endocrine-disrupting chemicals. We hear and read about endocrine-disrupting chemicals on blogs, the web, news stories, television specials, advertisements, and of course scientific articles. Reports claim these ubiquitous compounds are responsible for in...

journal_title：Endocrinology

authors： Rissman EF

更新日期：2016-08-01 00:00:00

abstract：:Relaxin is a naturally occurring regulator of collagen turnover. In this study, we determined the role of endogenous relaxin in the pathogenesis of primary tubulointerstitial fibrosis after unilateral ureteric obstruction (UUO). Four- to 6-wk-old relaxin (RLX) gene-knockout (RLX(-/-)) and age-matched wild-type (RLX(+/...

journal_title：Endocrinology

authors： Hewitson TD,Mookerjee I,Masterson R,Zhao C,Tregear GW,Becker GJ,Samuel CS

更新日期：2007-02-01 00:00:00

abstract：:The pregnane X receptors (PXRs) and the constitutive androstane receptor (CAR) were initially isolated as nuclear receptors regulating xenobiotic metabolism and elimination, alleviating chemical insults. However, recent works suggest that these xenoreceptors play an endobiotic role in modulating hepatic lipid metaboli...

journal_title：Endocrinology

authors： Breuker C,Moreau A,Lakhal L,Tamasi V,Parmentier Y,Meyer U,Maurel P,Lumbroso S,Vilarem MJ,Pascussi JM

更新日期：2010-04-01 00:00:00

abstract：:Insulin-like growth factor (IGF) action in the brain is modulated by IGF-binding proteins (IGFBPs) whose abundance can be altered by other locally expressed growth factors. However, the mechanisms involved are unclear. We here employed the neuroblastoma cell line SK-N-MC as a model to define the mechanisms involved in...

journal_title：Endocrinology

authors： Russo VC,Rekaris G,Baker NL,Bach LA,Werther GA

更新日期：1999-07-01 00:00:00

abstract：:The brain has traditionally been considered to be a target site of peripheral steroid hormones. By contrast, new findings over the past decade have shown that the brain itself also has the capability of forming steroids de novo, the so-called neurosteroids. De novo neurosteroidogenesis in the brain from cholesterol is...

journal_title：Endocrinology

authors： Tsutsui K

更新日期：2008-06-01 00:00:00

abstract：:Glucocorticoid feedback inhibition at the level of the brain is extremely complex, involving feedback at both hypothalamic and suprahypothalamic levels. The hippocampus has been implicated as a suprahypothalamic mediator of such feedback, based on numerous lesion, stimulation, and steroid implantation studies. These r...

journal_title：Endocrinology

authors： Sapolsky RM,Armanini MP,Sutton SW,Plotsky PM

更新日期：1989-12-01 00:00:00

abstract：:5-Hydroxytryptamine (5-HT) is synthesized and secreted by thyroid parafollicular (PF) cells. As all PF granules contain 5-HT, it is released whenever PF cells secrete. Because 5-HT stimulates follicular (F) cells and can modulate their response to TSH, 5-HT has been proposed to be a paracrine PF to F cell transmitter....

journal_title：Endocrinology

authors： Tamir H,Hsiung SC,Liu KP,Blakely RD,Russo AF,Clark MS,Nunez EA,Gershon MD

更新日期：1996-10-01 00:00:00

abstract：:Galanin (GAL) has recently emerged as an important neuroendocrine regulator which participates in the control of several pituitary and hypothalamic hormones. Our earlier observation that GAL stimulates LHRH release from nerve terminals of the median eminence as well as basal LH and LHRH-induced LH secretion from pitui...

journal_title：Endocrinology

authors： López FJ,Meade EH Jr,Negro-Vilar A

更新日期：1993-02-01 00:00:00

abstract：:The effects of secretagogue(s) from mouse decidual tissue on the release of mouse placental lactogen-II (mPL-II) were studied. Decidual tissue was obtained from 10- and 11-day-pregnant mice. The tissue was homogenized, extracted, and the tissue extract was made 50% saturated with ammonium sulfate. Both the precipitate...

journal_title：Endocrinology

authors： Thordarson G,Southard JN,Talamantes F

更新日期：1991-09-01 00:00:00

abstract：:Oxytocin (OT) is released by the posterior pituitary during male orgasm and is supposed to participate in the ejaculatory process. We now report evidence demonstrating the presence of an OT receptor gene (real-time RT-PCR and Northern blot) and protein (immunohistochemistry, Western blot, and binding studies) expressi...

journal_title：Endocrinology

authors： Vignozzi L,Filippi S,Luconi M,Morelli A,Mancina R,Marini M,Vannelli GB,Granchi S,Orlando C,Gelmini S,Ledda F,Forti G,Maggi M

更新日期：2004-04-01 00:00:00

abstract：:LH receptor (LHR) expression in the ovary is regulated by the RNA binding protein, (LHR mRNA binding protein [LRBP]), which has been identified as being mevalonate kinase. This study examined the role of microRNA miR-122 in LRBP-mediated LHR mRNA expression. Real-time PCR analysis of ovaries from pregnant mare serum g...

journal_title：Endocrinology

authors： Menon B,Sinden J,Franzo-Romain M,Botta RB,Menon KM

更新日期：2013-12-01 00:00:00

abstract：:Previously, we have demonstrated an inhibitory effect of oxytocin (OXT) on progesterone (P) and androstenedione (A) release of porcine luteal cell cultures. The present study examines whether OXT modulates P, A, or estradiol (E2) release of so-called small luteal cells (SLC) or of granulosa-derived large luteal cells ...

journal_title：Endocrinology

authors： Pitzel L,Jarry H,Wuttke W

更新日期：1990-05-01 00:00:00

abstract：:We recently reported that aluminum administration to beagles stimulates uncoupled bone formation in the marrow cavity which increases trabecular bone volume and generates new osseous networks within the axial skeleton. To investigate whether this osteogenic process results from direct stimulation of bone cell replicat...

journal_title：Endocrinology

authors： Quarles LD,Wenstrup RJ,Castillo SA,Drezner MK

更新日期：1991-06-01 00:00:00

abstract：:The melanocortin-3 receptor (MC3R) and MC4R are known to play critical roles in energy homeostasis. However, the physiological functions of the MC3R remain poorly understood. Earlier reports indicated that the ventral tegmental area (VTA) is one of the highest sites of MC3R expression, and we sought to determine the f...

journal_title：Endocrinology

authors： Lippert RN,Ellacott KL,Cone RD

更新日期：2014-05-01 00:00:00

abstract：:Testicular peritubular cells are myofibroblastic cells, which represent the major cellular components of the wall of the seminiferous tubules. In men their phenotypic characteristics, including possible secretory activity and regulation, are not well known, in neither normal nor pathologically altered testes. Especial...

journal_title：Endocrinology

authors： Schell C,Albrecht M,Mayer C,Schwarzer JU,Frungieri MB,Mayerhofer A

更新日期：2008-04-01 00:00:00

abstract：:The present study was designed to characterize the interaction of calcium and PTH in the control of renin release in isolated rat kidneys perfused in a closed circuit at constant flow. Kidneys were rendered nonfiltering using low perfusion pressures (70 mm Hg) and a hyperoncotic perfusate (100 g/liter BSA). Under thes...

journal_title：Endocrinology

authors： Helwig JJ,Musso MJ,Judes C,Nickols GA

更新日期：1991-09-01 00:00:00

abstract：:TSH receptor (TSHR) DNA vaccination induces high TSHR antibody levels in BALB/c mice housed in a conventional facility. However, under pathogen-free conditions, we observed a Th1 cellular response to TSHR antigen characterized by interferon-gamma (IFN gamma) production. In the present study we investigated the effect ...

journal_title：Endocrinology

authors： Pichurin P,Pichurina O,Chazenbalk GD,Paras C,Chen CR,Rapoport B,McLachlan SM

更新日期：2002-04-01 00:00:00

abstract：:GH is an important regulator of body growth and composition as well as numerous other metabolic processes. In particular, liver plays a key role in the GH/IGF-I axis, because the majority of circulating "endocrine" IGF-I results from GH-stimulated liver IGF-I production. To develop a better understanding of the role o...

journal_title：Endocrinology

authors： List EO,Berryman DE,Funk K,Jara A,Kelder B,Wang F,Stout MB,Zhi X,Sun L,White TA,LeBrasseur NK,Pirtskhalava T,Tchkonia T,Jensen EA,Zhang W,Masternak MM,Kirkland JL,Miller RA,Bartke A,Kopchick JJ

更新日期：2014-05-01 00:00:00

abstract：:Purinergic G protein-coupled receptors (P2YR) and ion-conducting receptor-channels (P2XR) are present in the pituitary. However, their identification, expression within pituitary cell subpopulations, and the ability to elevate intracellular Ca2+ concentration ([Ca2+]i) in response to ATP stimulation were incompletely ...

journal_title：Endocrinology

authors： Koshimizu TA,Tomić M,Wong AO,Zivadinovic D,Stojilkovic SS

更新日期：2000-11-01 00:00:00

abstract：:Genetically obese Zucker rats, like obese humans, have normal or elevated circulating insulin-like growth factor-I (IGF-I) levels in the presence of low GH secretion. Hyperinsulinemia, increased energy status, or other nutritional factors associated with obesity could be responsible for these findings directly by incr...

journal_title：Endocrinology

authors： Melián E,Velasco B,Barrios R,Sanchez-Franco F

更新日期：1997-03-01 00:00:00