The role of calcium/phospholipid-dependent protein kinase in Leydig cell steroidogenesis.

abstract：:In the present study, we have investigated the cellular mechanisms of androgen-induced antral follicular growth arrest and the possible involvement of chemerin and its receptor chemokine-like receptor 1 (CMKLR1) in this process, using a chronically androgenized rat model. We hypothesize that hyperandrogenism induces a...

journal_title：Endocrinology

authors： Kim JY,Xue K,Cao M,Wang Q,Liu JY,Leader A,Han JY,Tsang BK

更新日期：2013-08-01 00:00:00

abstract：:Breast cancer incidence increases in women receiving combined estrogen and progesterone therapy. Breast tumors show increased expression of the glucose transporter GLUT1. We determined the effect of these hormones on GLUT1-4 expression and deoxyglucose transport in ZR-75-1 breast cancer cells. Immunoblotting, immunocy...

journal_title：Endocrinology

authors： Medina RA,Meneses AM,Vera JC,Guzman C,Nualart F,Astuya A,García MA,Kato S,Carvajal A,Pinto M,Owen GI

更新日期：2003-10-01 00:00:00

abstract：:Hyperandrogenism is the central feature of polycystic ovary syndrome (PCOS). Due to the intricate relationship between hyperandrogenism and insulin resistance in PCOS, 50%-70% of these patients also present with hyperinsulinemia. Metformin, an insulin sensitizer, has been used to reduce insulin resistance and improve ...

journal_title：Endocrinology

authors： Lee BH,Indran IR,Tan HM,Li Y,Zhang Z,Li J,Yong EL

更新日期：2016-01-01 00:00:00

abstract：:The formation of junctional complexes between adjacent epithelial principal cells leads to formation of the blood-epididymal barrier; this barrier is complete by 21 days of postnatal age. Cadherins are cell surface proteins that mediate intercellular adhesion and are involved in the formation of adherence, gap, and ti...

journal_title：Endocrinology

authors： Cyr DG,Hermo L,Robaire B

更新日期：1993-03-01 00:00:00

abstract：:GH deficiency is known to be clinically associated with a high incidence of nonalcoholic fatty liver disease, and this can be reversed by GH administration. Here we investigated the mechanistic basis for this phenomenon using engineered male mice lacking different signaling elements of the GH receptor, hepatic stat5a/...

journal_title：Endocrinology

authors： Barclay JL,Nelson CN,Ishikawa M,Murray LA,Kerr LM,McPhee TR,Powell EE,Waters MJ

更新日期：2011-01-01 00:00:00

abstract：:Newly discovered kisspeptin (metastin), encoded by the Kiss1/KISS1 gene, is considered as a major gatekeeper of puberty through the regulation of GnRH. In the present study, we cloned a novel kisspeptin gene (kiss2) in the zebrafish Danio rerio and the medaka Oryzias latipes, which encodes a sequence of 125 and 115 am...

journal_title：Endocrinology

authors： Kitahashi T,Ogawa S,Parhar IS

更新日期：2009-02-01 00:00:00

abstract：:Intermittent PTH administration increases bone turnover, resulting in net anabolic effects on bone. These effects are primarily mediated by intracellular cAMP signaling. However, the molecular mechanisms that regulate PTH activity in bone remain incompletely understood. beta-Arrestin2, a G protein-coupled receptor reg...

journal_title：Endocrinology

authors： Ferrari SL,Pierroz DD,Glatt V,Goddard DS,Bianchi EN,Lin FT,Manen D,Bouxsein ML

更新日期：2005-04-01 00:00:00

abstract：:Transforming growth factor-beta (TGFbeta) and adrenomedullin (AM) are multifunctional regulatory peptides that are secreted by a variety of normal and malignant cells. The TGFbetas are expressed in developing organs and adults, and their tissue distribution pattern has possible significance for signaling roles in many...

journal_title：Endocrinology

authors： Montuenga LM,Mariano JM,Prentice MA,Cuttitta F,Jakowlew SB

更新日期：1998-09-01 00:00:00

abstract：:The quantities of estrone and estradiol were determined by radioimmunoassay in maternal and fetal plasma of the rhesus monkey from day 59 to 163 of gestation. A two way analysis of variance of data classified according to fetal sex and 3 pooled gestational ages for each hormone and for mother or fetus (4 analyses) rev...

journal_title：Endocrinology

authors： Resko JA,Pleom JG,Stadelman HL

更新日期：1975-08-01 00:00:00

abstract：:To further our understanding of the role of pituitary gonadotropin secretion in the control of corpus luteum function during the primate menstrual cycle, we have used an experimental model which enables us to directly control pituitary gonadotropin secretion throughout the luteal phase. Specifically, we have asked whe...

journal_title：Endocrinology

authors： Hutchison JS,Zeleznik AJ

更新日期：1985-09-01 00:00:00

abstract：:The GnRH neurosecretory system undergoes marked structural and functional changes throughout life. The initial goal of this study was to examine the neuroanatomical relationship between GnRH neurons and a glycoprotein implicated in neuroplasticity, the polysialylated form of neural cell adhesion molecule (PSA-NCAM). U...

journal_title：Endocrinology

authors： Viguié C,Jansen HT,Glass JD,Watanabe M,Billings HJ,Coolen L,Lehman MN,Karsch FJ

更新日期：2001-03-01 00:00:00

abstract：:We previously showed that receptor-like protein tyrosine phosphatase (RPTP)-alpha inhibited insulin-increased prolactin gene transcription. Others suggested that RPTPalpha was a key intermediary between integrins and activation of Src. We present evidence that inhibition of insulin-increased prolactin gene transcripti...

journal_title：Endocrinology

authors： Vulin AI,Jacob KK,Stanley FM

更新日期：2005-08-01 00:00:00

abstract：:Several studies have shown that insulin-like growth factor-binding proteins (IGF-BPs) modify IGF activity. To investigate their role in regulating growth, the number and size of IGF-BPs in porcine serum and the role of nutritional and endocrine factors in controlling their relative abundance were determined. IGF-BPs w...

journal_title：Endocrinology

authors： McCusker RH,Campion DR,Jones WK,Clemmons DR

更新日期：1989-07-01 00:00:00

abstract：:An estrogen-binding macromolecule was identified in cytosolic fractions prepared from fetal rat lung tissue. This component sedimented at 4.5S on sucrose gradients and was heat labile and proteinaceous in nature. This estrogen-binding protein bound 17 beta-estradiol (Ka = 10(8) M-1) and estrone but had little or no af...

journal_title：Endocrinology

authors： Mendelson CR,Brown PK,MacDonald PC,Johnston JM

更新日期：1981-07-01 00:00:00

abstract：:We employed a short term system of dispersed adult mouse hypothalamic cells, as previously described in the rat, to examine the roles of calcium and calmodulin in SRIF release. Incubation studies were performed 24 h after hypothalamic cell dispersion. SRIF release, as determined by RIA was stimulated in a dose-depende...

journal_title：Endocrinology

authors： Richardson S,Twente S

更新日期：1985-07-01 00:00:00

abstract：:The pharmacokinetics of TRH and its metabolite deamido-TRH (TRH-OH) were evaluated and compared. After a 60- to 90-min infusion of the appropriate peptide into rats, the MCR, half-life of disappearance (t 1/2), and volume of distribution were calculated. The MCR of TRH averaged 4 ml/min, whereas that of TRH-OH was 6.5...

journal_title：Endocrinology

authors： Safran M,Wu CF,Matys R,Alex S,Emerson CH

更新日期：1984-09-01 00:00:00

abstract：:Recent evidence has suggested that a circadian rhythm exists for plasma beta-endorphin-like immunoreactivity. The purpose of the present study was to examine the long term effects of surgical trauma on plasma beta-endorphin dynamics. Blood samples for RIA were obtained from female baboons every 4 h for three 48-h peri...

journal_title：Endocrinology

authors： McIntosh TK

更新日期：1987-05-01 00:00:00

abstract：:Infection-induced inflammation, frequently associated with increased production of proinflammatory cytokines, is considered a significant contributor to preterm birth. A G protein-coupled cannabinoid receptor 2 (CB2), encoded by Cnr2, is expressed in various immune cells and was shown to modulate immune responses. We ...

journal_title：Endocrinology

authors： Sun X,Cappelletti M,Li Y,Karp CL,Divanovic S,Dey SK

更新日期：2014-10-01 00:00:00

abstract：:Angiotensin II is a potent octapeptide vasoconstrictor and regulator of cardiovascular and electrolyte homeostasis. Angiotensinogen, the protein precursor of angiotensin II, is synthesized by the liver and many other organs of the adult rat. To determine whether angiotensin may be present in early fetal development we...

journal_title：Endocrinology

authors： Lee HU,Campbell DJ,Habener JF

更新日期：1987-10-01 00:00:00

abstract：:It is well established that in the pituitary gland corticotropin-releasing hormone (CRH) stimulates the release of beta-endorphin (beta-E) via a cAMP-linked mechanism. Studies of the mechanisms underlying the CRH stimulation of beta-E release from rat hypothalamic slices perifused in vitro are reported in this paper. ...

journal_title：Endocrinology

authors： Burns G,Almeida OF,Passarelli F,Herz A

更新日期：1989-09-01 00:00:00

abstract：:Differentiation of endometrial stromal cells into decidual cells is a prerequisite for successful embryo implantation. Our previous studies in the mouse have shown that bone morphogenetic protein 2 (BMP2), a morphogen belonging to the TGFβ superfamily, is essential for this differentiation process. BMP2 is markedly in...

journal_title：Endocrinology

authors： Li Q,Kannan A,Das A,Demayo FJ,Hornsby PJ,Young SL,Taylor RN,Bagchi MK,Bagchi IC

更新日期：2013-01-01 00:00:00

abstract：:Rat melanin-concentrating hormone (MCH) is a homolog of the peptide first isolated from salmon pituitary glands which produces melanosome aggregation within melanophores of teleost fish as well as interacting with the hypothalamic-pituitary axis. We have previously characterized the rat and human MCH counterparts as i...

journal_title：Endocrinology

authors： Parkes D,Vale W

更新日期：1992-10-01 00:00:00

abstract：:In male rats maintained on a 12 h light-dark schedule (6 AM-6 PM), there is a nyctohemeral cycle of plasma prolactin which consists of a nadir at 11:30 AM and an apogee at approximately 11:30 PM. In rats exposed to constant darkness, this rhythm persists for 7 days. Seven days of constant light, however, reverses this...

journal_title：Endocrinology

authors： Kizer JS,Zivin JA,Jacobowitz DM,Kopin IJ

更新日期：1975-05-01 00:00:00

abstract：:Melatonin receptors in lizard brain were identified and characterized using 125I-labeled melatonin ([125I]MEL) after solubilization with the detergent digitonin. Saturation studies of solubilized material revealed a high affinity binding site, with an apparent equilibrium dissociation constant of 181 +/- 45 pM. Bindin...

journal_title：Endocrinology

authors： Rivkees SA,Conron RW Jr,Reppert SM

更新日期：1990-09-01 00:00:00

abstract：:This study was aimed at testing the hypothesis that different forms of fibronectin (FN), produced as a consequence of the alternative splicing of the precursor messenger RNA, play specific roles during development of the ovarian follicle. In particular, we were interested in determining the effect of the ED-I (also te...

journal_title：Endocrinology

authors： Colman-Lerner A,Fischman ML,Lanuza GM,Bissell DM,Kornblihtt AR,Barañao JL

更新日期：1999-06-01 00:00:00

abstract：:The existence of renin in a number of extrarenal tissues has been well documented, but the physiological role of extrarenal renin remains unknown. To study the physiological role of adrenal renin, we developed a serum-free culture system for adrenal capsular/zona glomrulosa explants. Explants showed good viability in ...

journal_title：Endocrinology

authors： Shier DN,Kusano E,Stoner GD,Franco-Saenz R,Mulrow PJ

更新日期：1989-07-01 00:00:00

abstract：:Molecular mechanisms underlying unloading-induced reduction of bone formation have not yet been fully understood. In vitro, Runx2 has been suggested to be involved in mechanical signaling in osteoblasts. However, the roles of Runx2 in vivo during the bone response to mechanical stimuli have not yet been known. The pur...

journal_title：Endocrinology

authors： Salingcarnboriboon R,Tsuji K,Komori T,Nakashima K,Ezura Y,Noda M

更新日期：2006-05-01 00:00:00

abstract：:To determine the presence of a PRL-binding protein (PRL-BP) in rat serum, female rats were ovariectomized and administered sc estradiol benzoate capsules. Serum was incubated with [125I]rat PRL (rPRL) for 1 h at 37 C with or without different doses of rPRL, ovine PRL (oPRL), or rGH. Separation of the [125I]rPRL-PRL-BP...

journal_title：Endocrinology

authors： Cohen H,Guillaumot P,Sabbagh I

更新日期：1993-06-01 00:00:00

abstract：:Recent evidence suggests that the aromatization of testosterone to estrogen is important for the organizing effects of neonatal testosterone on neuroendocrine responses to acute challenges. However, the extent to which neonatal inhibition of aromatase alters the stress-induced activation of neural pathways has not bee...

journal_title：Endocrinology

authors： Bingham B,Wang NX,Innala L,Viau V

更新日期：2012-04-01 00:00:00

abstract：:Studies in mice have identified the ob gene product, leptin, as a signaling factor regulating body weight homeostasis and energy balance. Defective production of the encoded protein may be one of the causes for the development of obesity. Using a high affinity antibody, that in immunohistochemical studies specifically...

journal_title：Endocrinology

authors： McGregor GP,Desaga JF,Ehlenz K,Fischer A,Heese F,Hegele A,Lammer C,Peiser C,Lang RE

更新日期：1996-04-01 00:00:00