Stimulation of phospholipid labeling and steroidogenesis by luteinizing hormone in isolated bovine luteal cells.

abstract：:The active form of vitamin D, 1,25-dihydroxyvitamin D3, [1,25(OH)2D3] has potent actions on innate and adaptive immunity. Although endocrine synthesis of 1,25(OH)2D3 takes place in the kidney, the enzyme that catalyzes this, 25-hydroxyvitamin D-1alpha-hydroxylase (CYP27b1 in humans, Cyp27b1 in mice), is expressed at m...

journal_title：Endocrinology

authors： Liu N,Nguyen L,Chun RF,Lagishetty V,Ren S,Wu S,Hollis B,DeLuca HF,Adams JS,Hewison M

更新日期：2008-10-01 00:00:00

abstract：:Circulating levels of the pancreatic beta-cell peptide hormone amylin and the gut peptide PYY[3-36] increase after nutrient ingestion. Both have been implicated as short-term signals of meal termination with anorexigenic and weight-reducing effects. However, their combined effects are unknown. We report that the combi...

journal_title：Endocrinology

authors： Roth JD,Coffey T,Jodka CM,Maier H,Athanacio JR,Mack CM,Weyer C,Parkes DG

更新日期：2007-12-01 00:00:00

abstract：:Nitrogenous compounds were studied for their effect on cGMP levels in the thyroid. Several agents, including sodium nitrite and hydroxylamine, could generate a rise of over 100-fold in cGMP. At a concentration of 20 mM, HN2OH and NaNO2 significantly reduced cAMP levels previously generated by 0.5 mU/ml TSH. If the sli...

journal_title：Endocrinology

authors： Spaulding SW

更新日期：1979-09-01 00:00:00

abstract：:Levels of bovine placental lactogen (bPL) have been measured in the serum of dairy and beef cattle and in the milk and amniotic fluid of pregnant animals with a highly specific radioimmunoassay. In both dairy and beef cows, serum bPL levels remain low (less than 50 ng/ml) during the first two trimesters and then rise ...

journal_title：Endocrinology

authors： Bolander FF,Ulberg LC,Fellows RE

更新日期：1976-11-01 00:00:00

abstract：:Circadian clocks have been described in each tissue of the hypothalamo-pituitary-ovarian axis. Although a role for the clock in the timing of ovulation is indicated, the impact of diseases that disrupt fertility on clock function or the clocks' role in the etiology of these pathologies has yet to be fully appreciated....

journal_title：Endocrinology

authors： Sellix MT,Murphy ZC,Menaker M

更新日期：2013-04-01 00:00:00

abstract：:Vasoactive intestinal polypeptide (VIP) was measured by RIA in the hypophysial portal blood of rats after total hypophysectomy. The mean (+/- SE) VIP concentrations were 1332 +/- 171 pg/ml (range, 300-3868 pg/ml) under urethane anesthesia and 1735 +/- 707 pg/ml under pentobarbital anesthesia. The concentrations of VIP...

journal_title：Endocrinology

authors： Shimatsu A,Kato Y,Matsushita N,Katakami H,Yanaihara N,Imura H

更新日期：1981-02-01 00:00:00

abstract：:The influence of GH and several other pituitary hormones on the secretion and intracellular content of immunoreactive somatostatin (IRS) in cultured hypothalamic cells was examined. Hypothalamic cells prepared from 17-day-old rat embryos and maintained as reaggregate monolayers for 12 days in vitro were used. Short te...

journal_title：Endocrinology

authors： Robbins RJ,Leidy JW Jr,Landon RM

更新日期：1985-08-01 00:00:00

abstract：:Increasing adiposity predisposes to the development of the metabolic syndrome, in part, through adipose tissue dysregulation and inflammation. In addition, offspring nutrient-restricted (NR) in utero can exhibit an increased risk of early-onset insulin resistance and obesity, although the mechanisms remain unclear. We...

journal_title：Endocrinology

authors： Sharkey D,Symonds ME,Budge H

更新日期：2009-08-01 00:00:00

abstract：:In this study, we investigated the transcriptional regulation of the adrenergic induction of type II iodothyronine deiodinase (Dio2) in rat pinealocytes. Treatment of pinealocytes with norepinephrine (NE) caused an increase in the mRNA level of Dio2 that peaked around 2 h and declined over the next 5 h. Both beta- and...

journal_title：Endocrinology

authors： Chik CL,Wloka MT,Price DM,Ho AK

更新日期：2007-07-01 00:00:00

abstract：:Congenital hypothyroidism with thyroid dysgenesis (TD) is a frequent human condition characterized by elevated levels of TSH in response to reduced thyroid hormone levels. Congenital hypothyroidism is a genetically heterogeneous disease. In the majority of cases studied, no causative mutations have been identified and...

journal_title：Endocrinology

authors： Amendola E,De Luca P,Macchia PE,Terracciano D,Rosica A,Chiappetta G,Kimura S,Mansouri A,Affuso A,Arra C,Macchia V,Di Lauro R,De Felice M

更新日期：2005-12-01 00:00:00

abstract：:PTH stimulates bone formation and increases hematopoietic stem cells through mechanisms as yet uncertain. The purpose of this study was to identify mechanisms by which PTH links actions on cells of hematopoietic origin with osteoblast-mediated bone formation. C57B6 mice (10 d) were nonlethally irradiated and then admi...

journal_title：Endocrinology

authors： Koh AJ,Novince CM,Li X,Wang T,Taichman RS,McCauley LK

更新日期：2011-12-01 00:00:00

abstract：:The role of vasopressin (VP) in the regulation of pituitary corticotropin-releasing factor (CRF) receptors was studied by examining the effects of adrenalectomy and VP infusion on pituitary CRF receptors in genetically VP-deficient rats (di/di) and Long-Evans control rats. Binding studies with [125I]Tyr-ovine CRF in 3...

journal_title：Endocrinology

authors： Holmes MC,Catt KJ,Aguilera G

更新日期：1987-12-01 00:00:00

abstract：:We have proposed the "glucolipotoxicity" hypothesis in which elevated free fatty acids (FFAs) together with hyperglycemia are synergistic in causing islet beta-cell damage because high glucose inhibits fat oxidation and consequently lipid detoxification. The effects of 1-2 d culture of both rat INS 832/13 cells and hu...

journal_title：Endocrinology

authors： El-Assaad W,Buteau J,Peyot ML,Nolan C,Roduit R,Hardy S,Joly E,Dbaibo G,Rosenberg L,Prentki M

更新日期：2003-09-01 00:00:00

abstract：:Glycosylphosphatidylinositol-specific phospholipase D (GPI-PLD) is abundant in mammalian serum, but the source of the circulating enzyme is unknown. Pancreatic islets have been reported to contain and secrete GPI-PLD. In this report we examined the regulation of GPI-PLD secretion from beta TC3 cells, a mouse insulinom...

journal_title：Endocrinology

authors： Deeg MA,Verchere CB

更新日期：1997-02-01 00:00:00

abstract：:Mature male rat liver cytosol contains a moderate affinity and capacity estrogen-binding protein in at least a 200-fold higher level than mature female or immature male rat liver cytosol. Binding of estradiol to this protein is very rapid, is stabilized by EDTA, and is inhibited by divalent cations. This is the major ...

journal_title：Endocrinology

authors： Dickson RB,Aten RF,Eisenfeld AJ

更新日期：1978-11-01 00:00:00

abstract：:Six pony mares were ovariectomized (OVX) on day 16 of diestrus during June and July, 1972, to study short term changes in plasma luteinizing hormone (LH) concentrations. Plasma LH was higher (P less than .05) 3 days after OVX (1.76 ng/ml) than the day after OVX (1.01 ng/ml), and a gradual increase occurred over the fi...

journal_title：Endocrinology

authors： Garcia MC,Ginther OJ

更新日期：1976-04-01 00:00:00

abstract：:Hormonal induction of steroidogenesis in the adrenal and gonads is dependent on the synthesis and function of the steroidogenic acute regulatory protein (StAR). As a first approach to investigate the role of translation in the control of StAR expression, we examined StAR protein synthesis and steroid production in MA-...

journal_title：Endocrinology

authors： Clark BJ,Combs R,Hales KH,Hales DB,Stocco DM

更新日期：1997-11-01 00:00:00

abstract：:Activators of peroxisome proliferator activated receptor (PPAR) regulate fatty acid metabolism and can induce adipocyte differentiation. We show here that the gamma subtype of PPAR is expressed at high levels in adipose tissue in contrast to a variety of other tissues, where little gene expression was noted. In additi...

journal_title：Endocrinology

authors： Chawla A,Schwarz EJ,Dimaculangan DD,Lazar MA

更新日期：1994-08-01 00:00:00

abstract：:Decidual tissue of the rat produces a hormone with physiological and biochemical characteristics similar to those of PRL. Because PRL affects both follicular and luteal production of testosterone and estradiol, it was of interest to determine whether decidual luteotropin affects basal and/or LH-stimulated ovarian secr...

journal_title：Endocrinology

authors： Gibori G,Kalison B,Warshaw ML,Basuray R,Glaser LA

更新日期：1985-05-01 00:00:00

abstract：:Media from large vessel endothelial cells (pulmonary artery, aorta) contained intact connective tissue growth factor (CTGF) and a dominant 19-kDa band. N-terminal analysis of the 19-kDa band showed sequence corresponding to CTGF amino acid 181-190, suggesting that the 19-kDa band represented a proteolytic fragment of ...

journal_title：Endocrinology

authors： Boes M,Dake BL,Booth BA,Erondu NE,Oh Y,Hwa V,Rosenfeld R,Bar RS

更新日期：1999-04-01 00:00:00

abstract：:Thyroid hormone accelerates energy expenditure (EE) and is critical for cold-induced thermogenesis. To define the metabolic role played by thyroid hormone in the dissipation of calories from diet, hypothyroid mice were studied for 60 d in a comprehensive lab animal monitoring system. Hypothyroidism decreased caloric i...

journal_title：Endocrinology

authors： Ueta CB,Olivares EL,Bianco AC

更新日期：2011-09-01 00:00:00

abstract：:There is increasing evidence that protein kinase C (PKC) isoforms modulate insulin-signaling pathways in both positive and negative ways. Recent reports have indicated that the novel PKCdelta mediates some of insulin's actions in muscle and liver cells. Many studies use the specific inhibitor rottlerin to demonstrate ...

journal_title：Endocrinology

authors： Kayali AG,Austin DA,Webster NJ

更新日期：2002-10-01 00:00:00

abstract：:Thyroid hormones are of considerable importance for vertebrate reproductive function and during development. To further assess the role of these compounds in this capacity, we examined the expression pattern of the type 2 iodothyronine deiodinase (D2), which converts T(4) to the more active hormone T(3), in the rat ut...

journal_title：Endocrinology

authors： Galton VA,Martinez E,Hernandez A,St Germain EA,Bates JM,St Germain DL

更新日期：2001-05-01 00:00:00

abstract：:The central characteristic of uterine fibroids is excessive deposition of extracellular matrix (ECM), which contributes to fibroid growth and bulk-type symptoms. Despite this, very little is known about patterns of ECM protein expression in fibroids and whether these are influenced by the most common genetic anomalies...

journal_title：Endocrinology

authors： Jamaluddin MFB,Ko YA,Kumar M,Brown Y,Bajwa P,Nagendra PB,Skerrett-Byrne DA,Hondermarck H,Baker MA,Dun MD,Scott RJ,Nahar P,Tanwar PS

更新日期：2018-02-01 00:00:00

abstract：:With advancing age, 60-80% of the follicles of the mouse thyroid gland turn "cold", i.e. they lose their normal capacity to iodinate thyroglobulin (Tgb). Cold follicles are morphologically characterized by their large size, by deeply periodic acid-Schiff-stained colloid and by flat epithelial cells. We investigated th...

journal_title：Endocrinology

authors： Gerber H,Peter HJ,Studer H

更新日期：1987-05-01 00:00:00

abstract：:Neuropeptide Y (NPY) is a powerful orexigenic factor, and alphaMSH is a melanocortin (MC) peptide that induces satiety by activating the MC4 receptor subtype. Genetic models with disruption of MC4 receptor signaling are associated with obesity. In the present study, a 7-day intracerebroventricular infusion to male rat...

journal_title：Endocrinology

authors： Raposinho PD,Castillo E,d'Alleves V,Broqua P,Pralong FP,Aubert ML

更新日期：2000-12-01 00:00:00

abstract：:Previous studies demonstrated the involvement of transforming growth factor-alpha (TGF alpha), a member of the epidermal growth factor (EGF) family, in the developmental regulation of hypothalamic LHRH release. Although both TGF alpha and EGF stimulate LHRH release, they do not appear to act directly on LHRH neurons, ...

journal_title：Endocrinology

authors： Ma YJ,Berg-von der Emde K,Rage F,Wetsel WC,Ojeda SR

更新日期：1997-01-01 00:00:00

abstract：:LPXRFamide (LPXRFa) peptides have been characterized for their ability to inhibit gonadotropin (GTH) release in birds and stimulate growth hormone (GH) release in frogs. However, their involvement in regulating the reproductive hypothalamo-pituitary-gonadal axis in mammals and fish is inconclusive. To study the role o...

journal_title：Endocrinology

authors： Biran J,Golan M,Mizrahi N,Ogawa S,Parhar IS,Levavi-Sivan B

更新日期：2014-11-01 00:00:00

abstract：:The regulation of insulin-like growth factor binding protein (IGFBP)-4 proteolytic degradation by insulin-like growth factors (IGFs) has been largely studied in vitro, but not in vivo. The aim of this study was to investigate the involvement of IGFs, IGFBP-2, IGFBP-3, and IGFBP-3 proteolytic fragments in the regulatio...

journal_title：Endocrinology

authors： Mazerbourg S,Zapf J,Bar RS,Brigstock DR,Lalou C,Binoux M,Monget P

更新日期：1999-09-01 00:00:00

abstract：:As a model of the changes in peripheral iodothyronine metabolism that occur during ontogeny, we have studied the metabolism of 125I-labeled T4 and several of its partially deiodinated derivatives by the liver of the chick embryo. Homogenates of livers obtained from chicks varying in embryonic age from 8 days to the ti...

journal_title：Endocrinology

authors： Borges M,LaBourene J,Ingbar SH

更新日期：1980-12-01 00:00:00