A puberty-related attenuation of opiate peptide-induced inhibition of LH secretion.

abstract：:Bone morphogenetic protein 2 (BMP2) belongs to the transforming growth factor-β superfamily and plays a critical role in regulating ovarian follicle function. Currently, the role of BMP2 during cumulus expansion remains to be determined. The aim of this study was to investigate the effect of BMP2 on the regulation of ...

journal_title：Endocrinology

authors： Bai L,Chang HM,Cheng JC,Chu G,Leung PCK,Yang G

更新日期：2017-10-01 00:00:00

abstract：:After incubation with 0.5 mM isobutylmethylxanthine, 1 microM dexamethasone, and 1 microM insulin for 72 h, 3T3-L1 cells acquire the phenotypic characteristics of mature adipocytes, including a hormone-sensitive particulate cAMP phosphodiesterase activity. In addition, adipocytes contain soluble cAMP and calmodulin-se...

journal_title：Endocrinology

authors： Elks ML,Manganiello VC,Vaughan M

更新日期：1984-10-01 00:00:00

abstract：:Dexamethasone, a synthetic glucocorticoid, inhibits the initial rate of transport of the nonmetabolizable amino acid, alpha-aminoisobutyric acid, in rat hepatoma tissue culture (HTC) cells. To determine whether this inhibition is mediated by the same proximal steps as is the steroidal induction of tyrosine aminotransf...

journal_title：Endocrinology

authors： Gelehrter TD,McDonald RA

更新日期：1981-08-01 00:00:00

abstract：:Implantation of an embryo induces rapid proliferation and differentiation of uterine stromal cells, forming a new structure, the decidua. One salient feature of decidua formation is a marked increase in maternal angiogenesis. Vascular endothelial growth factor (VEGF)-dependent pathways are active in the ovary, uterus,...

journal_title：Endocrinology

authors： Douglas NC,Tang H,Gomez R,Pytowski B,Hicklin DJ,Sauer CM,Kitajewski J,Sauer MV,Zimmermann RC

更新日期：2009-08-01 00:00:00

abstract：:L-Triiodothyronine in vitro increased the uptake of the non-metabolizable amino acid, alpha-aminoisobutyrate, into isolated rat thymocytes. This effect was evident at extracellular free hormone concentrations of 10-7 to 5 times 10-8M and was due to a marked inhibition of amino acid efflux. In contrast, insulin and dib...

journal_title：Endocrinology

authors： Goldfine ID,Simons CG,Ingbar SH

更新日期：1975-03-01 00:00:00

abstract：:The effect of an activator of protein kinase C, 12-O-tetradecanoylphorbol-13-acetate (TPA), on the 5'-deiodinase (5'D) activity was studied in rat astroglial cells cultured in chemically defined medium. TPA promoted a large increase in the type II 5'D activity, which was maximal 5-10 h after addition of TPA and then d...

journal_title：Endocrinology

authors： Courtin F,Chantoux F,Gavaret JM,Toru-Delbauffe D,Jacquemin C,Pierre M

更新日期：1989-09-01 00:00:00

abstract：:We studied the interactions of two natural thyroid hormone receptor (TR) mutants from patients with resistance to thyroid hormone (RTH) and an artificial TR mutant with a nuclear receptor corepressor, N-CoR, and a steroid receptor coactivator, SRC-1. In electrophoretic mobility shift assays, wild-type TRbeta-1 interac...

journal_title：Endocrinology

authors： Liu Y,Takeshita A,Misiti S,Chin WW,Yen PM

更新日期：1998-10-01 00:00:00

abstract：:The levels of beta 1- and beta 3-adrenoreceptor mRNAs in several rat tissues were determined simultaneously with a sensitive nuclease protection assay. The beta 1-receptor gene was expressed to varying degrees in most tissues examined. By contrast, high levels of beta 3-receptor mRNA were only found in brown and white...

journal_title：Endocrinology

authors： Granneman JG,Lahners KN

更新日期：1992-01-01 00:00:00

abstract：:A detailed understanding of the mechanism of action of estrogen on bones is still lacking. The present study was designed to examine possible modulation by 17 beta-estradiol (E2) on the effects of 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] and on vitamin D receptors (VDR) in the ROS 17/2.8 osteoblast-like cell line. Cell...

journal_title：Endocrinology

authors： Liel Y,Kraus S,Levy J,Shany S

更新日期：1992-05-01 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：: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：: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：:Estradiol (E(2)) rapidly and strongly induces vascular endothelial growth factor (VEGF) transcription in uterine endometrial epithelial cells in vivo. We have shown that this is mediated by both the estrogen receptor-alpha and hypoxia-inducible factor (HIF)-1alpha. By contrast, E(2) induces little or no VEGF expressio...

journal_title：Endocrinology

authors： Molitoris KH,Kazi AA,Koos RD

更新日期：2009-12-01 00:00:00

abstract：:Both somatostatin (SRIF) and urotensin II, a dodecapeptide from the teleost caudal neurosecretory system, inhibit PRL release from the organ-cultured rostral pars distalis of the tilapia, Sarotherodon mossambicus, in a dose-related manner. The inhibitory action of SRIF on PRL release was completely prevented by the pr...

journal_title：Endocrinology

authors： Grau EG,Nishioka RS,Bern HA

更新日期：1982-03-01 00:00:00

abstract：:Studies were undertaken to investigate the effects of synthetic 1-24 adrenocorticotropin (ACTH), bovine alpha melanocyte-stimulating hormone (alpha-MSH), and ovine beta lipotropin (beta-LPH) on plasma calcium and phosphate in rabbits. Equimolar concentrations of these hormones were infused intravenously in intact and ...

journal_title：Endocrinology

authors： Gildersleeve DL,Pearson TA,Baghdiantz A,Foster GV

更新日期：1975-12-01 00:00:00

abstract：:To study conversion of 3,5,3'-triiodothyroinine (T3) and 3,3',5'-triiodothyronine (rT3) to 3,3'-diiodothyronine (T2) in vitro, T3 or rT3 was incubated at pH 7.35 with homogenates of several rat tissues (liver, kidney, muscle, heart, ling, spleen, intestines, and brain) for 15 min at 37 C. The T2 generated during incub...

journal_title：Endocrinology

authors： Chopra IJ,Wu SY,Nakamura Y,Solomon DH

更新日期：1978-04-01 00:00:00

abstract：:The concentration of testosterone (T) and 5alpha-dihydrotestosterone (DHT) in plasma, seminal fluid, and epididymis of male Wistar rats have been determined by radioimmunoassay. The DHT/T ratio rose from 0.1 in blood to 1 in testicular fluid and 4 in epididymal fluid. This ratio is 2 in tissues of "caput" epididymis a...

journal_title：Endocrinology

authors： Pujol A,Bayard F,Louvet JP,Boulard C

更新日期：1976-01-01 00:00:00

abstract：:To date, the role of pancreatic hormones in pancreatic islet growth and differentiation is poorly understood. To address this issue, we examined mice with a disruption in the gene encoding prohormone convertase 2 (PC2). These mice are unable to process proglucagon, prosomatostatin, and other neuroendocrine precursors ...

journal_title：Endocrinology

authors： Vincent M,Guz Y,Rozenberg M,Webb G,Furuta M,Steiner D,Teitelman G

更新日期：2003-09-01 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 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：:PTH increases calcium reabsorption exclusively in the distal nephron. Two mechanisms of Ca++ transport through the basolateral membrane (BLM) have been described: the ATP-dependent and the sodium gradient-dependent transport. In the present study, we investigated the effect of PTH and (Bu)2cAMP on these two mechanisms...

journal_title：Endocrinology

authors： Bouhtiauy I,Lajeunesse D,Brunette MG

更新日期：1991-01-01 00:00:00

abstract：:The effects of dopamine on PRL secretion and lysosomal enzyme activity in anterior pituitary tissue from rats selected during various stages of the estrous cycle were examined under in vitro conditions. During the estrous cycle, there was a marked variation in the capacity of dopamine to stimulate the activity of the ...

journal_title：Endocrinology

authors： Nansel DD,Gudelsky GA,Reymond MJ,Porter JC

更新日期：1981-03-01 00:00:00

abstract：:The incidence of obesity, with its impact on the development of comorbidities, including diabetes and cardiovascular disease, represents one of the greatest global health threats of the 21st century. This is particularly damning considering the vast progress that has been made in understanding the factors and molecula...

journal_title：Endocrinology

authors： Perez-Tilve D

更新日期：2017-05-01 00:00:00

abstract：:There are now robust data supporting the Developmental Origins of Health and Disease (DOHaD) paradigm. This includes human and animal data focusing on nutrition or environmental chemicals during development. However, the term DOHaD has not been generally accepted as the official term to be used when one is concerned w...

journal_title：Endocrinology

authors： Heindel JJ,Balbus J,Birnbaum L,Brune-Drisse MN,Grandjean P,Gray K,Landrigan PJ,Sly PD,Suk W,Cory Slechta D,Thompson C,Hanson M

更新日期：2015-10-01 00:00:00

abstract：:Corticotropin-releasing factor receptor type 2beta, expressed in the rodent cardiovascular system, is a member of the G protein-coupled receptor family. This receptor is coupled positively to adenylate cyclase and is bound preferentially by the urocortin (Ucn)-related peptides (Uncs): Ucn, Ucn II, and Ucn III. In the ...

journal_title：Endocrinology

authors： Kageyama K,Suda T

更新日期：2003-06-01 00:00:00

abstract：:We have reported that calcitonin (CT) treatment induced downregulation of the CT receptor (CTR) in mouse osteoclast-like cells (OCLs). Here, we studied the features of homologous down-regulation of the CTR in mature mouse OCLs. Treatment with salmon CT (sCT) and human CT (hCT) reduced [125I]sCT specific binding. The d...

journal_title：Endocrinology

authors： Wada S,Udagawa N,Nagata N,Martin TJ,Findlay DM

更新日期：1996-01-01 00:00:00

abstract：:We have investigated the role of protein kinase C (PKC) isoenzymes in the differential growth regulation of human pancreatic carcinoma cell lines by all-trans retinoic acid (RA). RA treatment results in dose-dependent stimulation of anchorage-independent growth in AsPc1 cells and growth inhibition in Capan 2 cells. Bo...

journal_title：Endocrinology

authors： Rosewicz S,Brembeck F,Kaiser A,Marschall ZV,Riecken EO

更新日期：1996-08-01 00:00:00

abstract：:Although factors that regulate cAMP and steroid production in granulosa cells of hen preovulatory follicles have been well studied, much less is known of the mechanisms that control steroidogenesis in the adjacent thecal layer. These studies were conducted to examine the involvement and interaction of cAMP and protein...

journal_title：Endocrinology

authors： Tilly JL,Johnson AL

更新日期：1989-09-01 00:00:00

abstract：:Growth hormone-releasing factor-like immunoreactivity (GRF-LI) was detected in partially purified extracts of rat hypothalamus and duodenum with a highly specific RIA for rat GRF (rGRF). The concentration of rGRF-LI in the rat hypothalamus was 32.5 fmol/mg dry weight (455 fmol or 3.18 ng/region), while the rat duodenu...

journal_title：Endocrinology

authors： Bruhn TO,Mason RT,Vale WW

更新日期：1985-10-01 00:00:00

abstract：:Granulosa cells isolated from the ovaries of pregnant mare serum gonadotropin (PMSG)-treated immature rats were cultured with relaxin or FSH. Both hormones increased the secretion of plasminogen activator into the culture medium. Relaxin caused a dose-related rise in plasminogen activator but did not increase cAMP or ...

journal_title：Endocrinology

authors： Too CK,Weiss TJ,Bryant-Greenwood GD

更新日期：1982-10-01 00:00:00