Large effects from small exposures. III. Endocrine mechanisms mediating effects of bisphenol A at levels of human exposure.

abstract：:11beta-hydroxysteroid dehydrogenases (11betaHSDs) catalyze interconversion of 11-hydroxy-glucocorticoids with inactive 11-keto metabolites. In blood vessel walls, loss of 11betaHSD1 is thought to reduce local glucocorticoid concentrations, reducing the progression of atheroma and enhancing angiogenesis. Conversely, on...

journal_title：Endocrinology

authors： Dover AR,Hadoke PW,Macdonald LJ,Miller E,Newby DE,Walker BR

更新日期：2007-01-01 00:00:00

abstract：:Steroid hormone synthesis is a vital function of the adrenal cortex, serves a critical role in gonadal function, and maintains pregnancy if normally executed in the placenta. The substrate for the synthesis of all steroid hormones is cholesterol, and its conversion to the first steroid, pregnenolone, by the cholestero...

journal_title：Endocrinology

authors： Yivgi-Ohana N,Sher N,Melamed-Book N,Eimerl S,Koler M,Manna PR,Stocco DM,Orly J

更新日期：2009-02-01 00:00:00

abstract：:Mullerian inhibiting substance (MIS) is a 140-kilodalton homodimeric glycoprotein that causes regression of the Mullerian ducts in male embryos, and may also have a role in both males and females in the regulation of germ cell maturation. We examined the ontogeny of MIS messenger RNA (mRNA) in rat testes from midgesta...

journal_title：Endocrinology

authors： Lee MM,Cate RL,Donahoe PK,Waneck GL

更新日期：1992-02-01 00:00:00

abstract：:Primary functional bovine adrenal cortical cell cultures have been developed to study the factors controlling adrenal cell growth. Cells were prepared by the collagenase technique and maintained in F-12 medium containing fetal calf serum and horse serum. Cells contained abundant lipid as demonstrated by staining with ...

journal_title：Endocrinology

authors： Gospodarowicz D,Ill CR,Hornsby PJ,Gill GN

更新日期：1977-04-01 00:00:00

abstract：:Estradiol (E) treatment of spayed macaques induces progestin receptors (PR) in pituitary gonadotropes, but not lactotropes. In contrast, levels of pituitary estrogen receptors (ER) remain constant in spayed or E-treated monkeys. In monkey pituitary cultures, the number of PR-positive cells varies depending on the dono...

journal_title：Endocrinology

authors： Sprangers SA,Fahrenbach WH,Bethea CL

更新日期：1991-04-01 00:00:00

abstract：:The absence of TSH-stimulated radioiodide uptake in differentiated thyroid cancer is associated with a high recurrence rate and reduced survival. We studied regulation of the sodium/iodide symporter gene in human papillary thyroid cancer cell lines (BHP) and primary human thyroid cells. BHP cells expressed very low le...

journal_title：Endocrinology

authors： Kogai T,Hershman JM,Motomura K,Endo T,Onaya T,Brent GA

更新日期：2001-08-01 00:00:00

abstract：:Vitamin D deficiency is associated with a range of muscle disorders, including myalgia, muscle weakness, and falls. In humans, polymorphisms of the vitamin D receptor (VDR) gene are associated with variations in muscle strength, and in mice, genetic ablation of VDR results in muscle fiber atrophy and motor deficits. H...

journal_title：Endocrinology

authors： Girgis CM,Mokbel N,Cha KM,Houweling PJ,Abboud M,Fraser DR,Mason RS,Clifton-Bligh RJ,Gunton JE

更新日期：2014-09-01 00:00:00

abstract：:Thyroid hormones regulate bone homeostasis, and exogenously induced hyperthyroidism and hypothyroidism in mice was recently found to be associated with an altered expression of the Wnt inhibitor Dickkopf-1 (Dkk1), a determinant of bone mass. Here, we assessed the role of Dkk1 in thyroid hormone-induced changes in bone...

journal_title：Endocrinology

authors： Tsourdi E,Colditz J,Lademann F,Rijntjes E,Köhrle J,Niehrs C,Hofbauer LC,Rauner M

更新日期：2019-03-01 00:00:00

abstract：:The ovulatory LH surge results in follicular inflammation with an increase in cytokines and PGs. Reactive oxygen species (ROS) are also produced during inflammatory processes. To study ROS generation during the ovulatory cascade, preovulatory follicles were dissected from immature female rats primed with PMSG. Follicl...

journal_title：Endocrinology

authors： Kodaman PH,Behrman HR

更新日期：2001-02-01 00:00:00

abstract：:Thyroid papillary carcinoma is the most common type of endocrine cancer. It is frequently associated with genetic alterations leading to activation of the MAPK signaling pathway. The two most frequently affected genes, BRAF and RET, are activated by either point mutation or as a result of chromosomal rearrangement. Th...

journal_title：Endocrinology

authors： Ciampi R,Nikiforov YE

更新日期：2007-03-01 00:00:00

abstract：:The paucity of clinical and preclinical studies investigating sex differences in sleep has resulted in mixed findings as to the exact nature of these differences. Although gonadal steroids are known to modulate sleep in females, less is known about males. Moreover, little evidence exists concerning the origin of these...

journal_title：Endocrinology

authors： Cusmano DM,Hadjimarkou MM,Mong JA

更新日期：2014-01-01 00:00:00

abstract：:The vertebrate adenohypophysis forms as a placode at the anterior margin of the neural plate, requiring both hedgehog (Hh) and fibroblast growth factor (Fgf) mediated cell-cell signaling for induction and survival of endocrine cell types. Using small molecule inhibitors to modulate signaling levels during zebrafish de...

journal_title：Endocrinology

authors： Guner B,Ozacar AT,Thomas JE,Karlstrom RO

更新日期：2008-09-01 00:00:00

abstract：:Epidermal growth factor (EGF) and TGFalpha are well known for their activities in the ovary. Both factors initiate signal transduction by binding to the common EGF receptor that has been demonstrated in the ovary across vertebrates from fish to humans. Using zebrafish as the model, we demonstrated in the present study...

journal_title：Endocrinology

authors： Pang Y,Ge W

更新日期：2002-01-01 00:00:00

abstract：:Luteinizing hormone/chorionic gonadotropin receptor (LHR) expression in the ovary is regulated by a messenger RNA (mRNA) binding protein, which specifically binds to the coding region of LHR mRNA. We have shown that miR-122, a short noncoding RNA, mediates LHR mRNA levels by modulating the expression of LHR mRNA-bindi...

journal_title：Endocrinology

authors： Menon B,Guo X,Garcia N,Gulappa T,Menon KMJ

更新日期：2018-05-01 00:00:00

abstract：:This study aimed to delineate the hypothalamic and/or pituitary actions of testosterone and its primary metabolites 5 alpha-dihydrotestosterone and estradiol (E) in adult castrated rams (wethers) during the breeding season. In Exp 1, wethers were treated for a week with twice daily injections (im) of peanut oil, 8, 16...

journal_title：Endocrinology

authors： Tilbrook AJ,de Kretser DM,Cummins JT,Clarke IJ

更新日期：1991-12-01 00:00:00

abstract：:Spot 14 (S14) is a protein whose mRNA is rapidly up-regulated by lipogenic stimuli including thyroid hormone and a high-carbohydrate diet. Previous investigation into the role of S14 suggested that it is involved in de novo lipogenesis. Knockout of the gene in mice has given further support to this hypothesis. The lac...

journal_title：Endocrinology

authors： LaFave LT,Augustin LB,Mariash CN

更新日期：2006-09-01 00:00:00

abstract：:The thyroid hormone (TH) analog eprotirome (KB2115) was developed to lower cholesterol through selective activation of the TH receptor (TR) β1 in the liver. Interestingly, eprotirome shows low uptake in nonhepatic tissues, explaining its lipid-lowering action without adverse extrahepatic thyromimetic effects. Clinical...

journal_title：Endocrinology

authors： Kersseboom S,van Gucht ALM,van Mullem A,Brigante G,Farina S,Carlsson B,Donkers JM,van de Graaf SFJ,Peeters RP,Visser TJ

更新日期：2017-10-01 00:00:00

abstract：:Prader-Willi syndrome (PWS) has a biphasic clinical phenotype with failure to thrive in the neonatal period followed by hyperphagia and severe obesity commencing in childhood among other endocrinological and neurobehavioral abnormalities. The syndrome results from loss of function of several clustered, paternally expr...

journal_title：Endocrinology

authors： Stefan M,Ji H,Simmons RA,Cummings DE,Ahima RS,Friedman MI,Nicholls RD

更新日期：2005-10-01 00:00:00

abstract：:A substantial body of experimental evidence indicates that serotonin (5-HT) and several synthetic 5-HT receptor agonists activate the hypothalamic-pituitary-adrenal (HPA) axis. To explore the mechanism(s) by which 5-HT or 5-HT agonists enhance the activity of the HPA axis in vitro, we examined the stimulatory effects ...

journal_title：Endocrinology

authors： Calogero AE,Bagdy G,Szemeredi K,Tartaglia ME,Gold PW,Chrousos GP

更新日期：1990-04-01 00:00:00

abstract：:Epidemiological evidence indicates that phytoestrogens inhibit cancer formation and growth, reduce cholesterol levels, and show benefits in treating osteoporosis. At least some of these activities are mediated through the interaction of phytoestrogens with estrogen receptors alpha and beta (ERalpha and ERbeta). Resver...

journal_title：Endocrinology

authors： Bowers JL,Tyulmenkov VV,Jernigan SC,Klinge CM

更新日期：2000-10-01 00:00:00

abstract：:Ovarian cancer in women is a complex and deadly disease, where the molecular events that initiate and control tumor formation remain poorly defined. Therefore, mouse models provide one approach for determining the mechanisms by which specific oncogenic factors cause ovarian surface epithelial cell and granulosa cell t...

journal_title：Endocrinology

authors： Mullany LK,Richards JS

更新日期：2012-04-01 00:00:00

abstract：:The purpose of this study is to establish a primary LHRH cell culture system using embryonic olfactory placode and to examine whether LHRH cells derived from olfactory placode and the migratory pathway of LHRH neurons mature in vitro. Six monkey fetuses at the ages of E34-E36 were delivered surgically and the area inc...

journal_title：Endocrinology

authors： Terasawa E,Quanbeck CD,Schulz CA,Burich AJ,Luchansky LL,Claude P

更新日期：1993-11-01 00:00:00

abstract：:The mechanisms underlying the glucose dependence of arginine vasopressin (AVP)-stimulated insulin secretion were examined in a hamster insulin-secreting cell line (HIT cells). At 1.67 mM glucose, 100 nM AVP stimulated biphasic changes in free cytosolic Ca2+ ([Ca2+]i) and insulin secretion. The initial spike of [Ca2+]i...

journal_title：Endocrinology

authors： Lu M,Soltoff SP,Yaney GC,Boyd AE 3rd

更新日期：1993-05-01 00:00:00

abstract：:Previous studies have shown that mice missing gp130, the common receptor subunit for many cytokines, die at or before birth with multiple skeletal abnormalities. Furthermore, interactions between PTH and gp130 signaling have suggested that gp130 signaling might influence calcium homeostasis. We, therefore, examined th...

journal_title：Endocrinology

authors： Shin HI,Divieti P,Sims NA,Kobayashi T,Miao D,Karaplis AC,Baron R,Bringhurst R,Kronenberg HM

更新日期：2004-03-01 00:00:00

abstract：:Three members of the progestin and adipoQ receptor (PAQR) family, PAQR-7, PAQR-8, and PAQR-5 [membrane progesterone (P4) receptor (PR) (mPR)α, mPRβ, and mPRγ], function as plasma mPRs coupled to G proteins in mammalian cells, but the characteristics of two other members, PAQR6 and PAQR9 (mPRδ and mPRε), remain unclear...

journal_title：Endocrinology

authors： Pang Y,Dong J,Thomas P

更新日期：2013-01-01 00:00:00

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：: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：:Nitric oxide is a ubiquitous estrogen-regulated signaling molecule that has been implicated in the regulation of bone maturation and remodeling. To better understand the role that bone-cell-secreted nitric oxide plays in ovariectomy-induced modifications of bone turnover, we examined the expression of endothelial NO s...

journal_title：Endocrinology

authors： Grassi F,Fan X,Rahnert J,Weitzmann MN,Pacifici R,Nanes MS,Rubin J

更新日期：2006-09-01 00:00:00

abstract：:Testes of 29-35-day-old rats were separated into seminiferous tubules and interstitial tissue by collagenase treatment and examined by incubation studies with radioactive substrates. The activity of testosterone 5alpha-reductase/g protein in the interstitial tissue was 37 times greater than that in the tubules. The si...

journal_title：Endocrinology

authors： Yoshizaki K,Matsumoto K,Samuels LT

更新日期：1978-03-01 00:00:00

abstract：:We previously have described molecular mechanisms converging at the Nur response element-signal transducer and activator of transcription (STAT) composite site responsible for synergistic activation of the proopiomelanocortin (POMC) gene promoter by leukemia inhibitory factor (LIF) and CRH. In this study, we asked how...

journal_title：Endocrinology

authors： Latchoumanin O,Mynard V,Devin-Leclerc J,Dugué MA,Bertagna X,Catelli MG

更新日期：2007-01-01 00:00:00