Activin causes premature superovulation.

abstract：:In mammals, the brain-specific protein munc18-1 regulates synaptic vesicle exocytosis at the synaptic junction, in a step before vesicle fusion. We hypothesize that the rate of biosynthesis of munc18-1 messenger RNA (mRNA) and the amount of munc18-1 present in neurons and neuroendocrine cells are related to the physio...

journal_title：Endocrinology

authors： Kolk SM,Berghs CA,Vaudry H,Verhage M,Roubos EW

更新日期：2001-05-01 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：:Primary ovarian insufficiency (POI) resulting from ovarian autoimmunity is a poorly understood clinical condition lacking in effective treatments. Understanding the targets of the autoimmune response and induction of ovarian-specific tolerance would allow development of focused therapies to preserve fertility in an at...

journal_title：Endocrinology

authors： Otsuka N,Tong ZB,Vanevski K,Tu W,Cheng MH,Nelson LM

更新日期：2011-06-01 00:00:00

abstract：:Studies were undertaken to evaluate the effects of chronic morphine exposure on the negative and positive feedback effects of estradiol (E2) on LH and FSH secretion in ovariectomized rats. Two days of E2 exposure reduced at 1000 h and stimulated at 1600 h the serum LH concentration at each dose tested. Chronic exposur...

journal_title：Endocrinology

authors： Gabriel SM,Berglund LA,Simpkins JW

更新日期：1987-05-01 00:00:00

abstract：:Diabetes is associated with increased generation of cytokines and tissue inflammation, but it is unclear how increased cytokine synthesis is causally related to the development of diabetic complications. Here, we report that exposure to high (25 mm) glucose, but not iso-osmotic concentrations of mannitol or 3-methyl g...

journal_title：Endocrinology

authors： Ramana KV,Tammali R,Reddy AB,Bhatnagar A,Srivastava SK

更新日期：2007-09-01 00:00:00

abstract：:Phosphatidylinositol 3-kinase (PI3k) activity is required for the insulin stimulation of glucose transport in adipocytes and Chinese hamster ovary cells. Wortmannin (WM), an inhibitor of PI3k, inhibits the stimulation of glucose transport by insulin and the gain of glucose transporters at the cell surface. However, th...

journal_title：Endocrinology

authors： Tsakiridis T,McDowell HE,Walker T,Downes CP,Hundal HS,Vranic M,Klip A

更新日期：1995-10-01 00:00:00

abstract：:Physiological roles for PTH-related peptide (PTHrP) appear varied, but remain to be clarified. The peptide is present in large amounts in milk, and PTHrP mRNA has been shown to be present in high amounts in lactating mammary gland. Because PTHrP can cause smooth muscle relaxation, we hypothesized that the peptide migh...

journal_title：Endocrinology

authors： Seitz PK,Cooper KM,Ives KL,Ishizuka J,Townsend CM Jr,Rajaraman S,Cooper CW

更新日期：1993-09-01 00:00:00

abstract：:The peroxisome proliferator-activated receptor-gamma (PPARgamma) transcription factor plays a pivotal role in adipocyte differentiation and metabolic regulation. The transcriptional activity of PPARgamma is positively modulated by ligand binding and negatively regulated by phosphorylation mediated by the MEK/ERK signa...

journal_title：Endocrinology

authors： Camp HS,Tafuri SR,Leff T

更新日期：1999-01-01 00:00:00

abstract：:The microenvironment of placental mesenchymal stem cells (PMSCs) is dynamic throughout gestation and determines changes in cell fate. In vivo, PMSCs initially develop in low-oxygen tension and low IGF-I concentrations, and both increase gradually with gestation. The impact of varying concentrations of IGF-I and changi...

journal_title：Endocrinology

authors： Youssef A,Iosef C,Han VK

更新日期：2014-04-01 00:00:00

abstract：:Levels of vasopressin, oxytocin, and neurophysin were measured by RIA in the hypothalamus, pituitary, and plasma of infant rats (2-30 days old). At all ages, ip injection of a hypertonic solution of 5 g/100 ml NaCl produced a marked increase in levels of vasopressin and neurophpysin in plasma, up to 21 microU/ml and 5...

journal_title：Endocrinology

authors： Singinq C,Robinson AG,Seif SM

更新日期：1980-09-01 00:00:00

abstract：:Studying the mechanisms for the complex pathogenesis of polycystic ovary syndrome (PCOS) requires animal models with endocrine, reproductive, and metabolic features of the syndrome. Hyperandrogenism seems to be a central factor in PCOS, leading to anovulation and insulin resistance. In female rats, continuous administ...

journal_title：Endocrinology

authors： Maliqueo M,Sun M,Johansson J,Benrick A,Labrie F,Svensson H,Lönn M,Duleba AJ,Stener-Victorin E

更新日期：2013-01-01 00:00:00

abstract：:The uterotropic response of the uterus to 17β-estradiol (E2) is genetically controlled, with marked variation observed depending on the mouse strain studied. Previous genetic studies from our laboratory using inbred mice that are high (C57BL6/J; B6) or low (C3H/HeJ; C3H) responders to E2 led to the identification of q...

journal_title：Endocrinology

authors： Wall EH,Case LK,Hewitt SC,Nguyen-Vu T,Candelaria NR,Teuscher C,Lin CY

更新日期：2014-08-01 00:00:00

abstract：:Mice bearing IL-1beta-secreting tumor were used to study the chronic effect of IL-1beta on glucose metabolism. Mice were injected with syngeneic tumor cells transduced with the human IL-1beta gene. Serum IL-1beta levels increased exponentially with time. Secretion of IL-1beta from the developed tumors was associated w...

journal_title：Endocrinology

authors： Metzger S,Nusair S,Planer D,Barash V,Pappo O,Shilyansky J,Chajek-Shaul T

更新日期：2004-11-01 00:00:00

abstract：:In humans, there is a significant decrease in serum T(3) and increase in rT(3) at different time points after myocardial infarction, whereas serum TSH and T(4) remain unaltered. We report here a time course study of pituitary-thyroid function and thyroid hormone metabolism in rats subjected to myocardial infarction by...

journal_title：Endocrinology

authors： Olivares EL,Marassi MP,Fortunato RS,da Silva AC,Costa-e-Sousa RH,Araújo IG,Mattos EC,Masuda MO,Mulcahey MA,Huang SA,Bianco AC,Carvalho DP

更新日期：2007-10-01 00:00:00

abstract：:Ghrelin is an acylated peptide recently isolated from rat stomach that potently stimulates GH release in vitro and in vivo in rat and man. Ghrelin specifically activates the receptor for the growth hormone secretagogues (GHS-Rla), and it has been proposed as the endogenous ligand mimicked by these synthetic compounds....

journal_title：Endocrinology

authors： Torsello A,Ghe' C,Bresciani E,Catapano F,Ghigo E,Deghenghi R,Locatelli V,Muccioli G

更新日期：2002-05-01 00:00:00

abstract：:We recently reported that long-term treatment with pioglitazone restored cardiac Akt phosphorylation in response to hyperthermia (HT) and subsequent cardiac heat-shock protein 72 (HSP72) expression, in heredity insulin resistance rats via improvement of insulin sensitivity. Because adrenomedullin (AM) promotes Akt pho...

journal_title：Endocrinology

authors： Torigoe Y,Takahashi N,Hara M,Yoshimatsu H,Saikawa T

更新日期：2009-03-01 00:00:00

abstract：:The induction of long-term responses in the uterus following estrogen treatment is discussed, with special reference to DNA synthesis. Immature female rats injected daily with estradiol-17beta or estriol (0.01 to 1 mug) or a combination of the two steroids for one, two or three consecutive days were sacrificed at inte...

journal_title：Endocrinology

authors： Stormshak F,Leake R,Wertz N,Gorski J

更新日期：1976-12-01 00:00:00

abstract：:Uterine ornithine decarboxylase (ODC) activity is reported to increase after estrogen administration to fetal, neonatal, immature, and adult rats, suggesting that it may be a useful marker in studies of the development of estrogen responsiveness. Standard conditions were validated for enzyme assay of uterine cytosols ...

journal_title：Endocrinology

authors： Olson ME,Sheehan DM,Branham WS

更新日期：1983-11-01 00:00:00

abstract：:Mice lacking steroid 5 alpha-reductase 1 and 2 were produced by gene targeting and breeding. Male mice without 5 alpha-reductase 2 or without both enzymes had fully formed internal and external genitalia and were fertile, but had smaller prostates and seminal vesicles than controls. T accumulated to high levels in the...

journal_title：Endocrinology

authors： Mahendroo MS,Cala KM,Hess DL,Russell DW

更新日期：2001-11-01 00:00:00

abstract：:Impaired wound healing of skin is one of the most serious complications of diabetes. However, the pathogenesis of this process is not known, and it is unclear whether impaired insulin signaling could directly affect skin physiology. To elucidate the role of insulin in skin, we studied skin insulin receptor (IR) null m...

journal_title：Endocrinology

authors： Wertheimer E,Spravchikov N,Trebicz M,Gartsbein M,Accili D,Avinoah I,Nofeh-Moses S,Sizyakov G,Tennenbaum T

更新日期：2001-03-01 00:00:00

abstract：:We have previously demonstrated that CGP 42112 (AT(2) agonist > or =1 nM) markedly reduces catecholamine biosynthesis through AT(2), which is the major angiotensin II (AngII) receptor subtype in cultured porcine chromaffin cells. Also, we have shown that CGP 42112 (> or =1 nM) induces a reduction in cGMP production in...

journal_title：Endocrinology

authors： Takekoshi K,Ishii K,Kawakami Y,Isobe K,Nakai T

更新日期：2001-07-01 00:00:00

abstract：:Decidualization, the process by which fibroblastic human endometrial stromal cells (HESC) differentiate into secretory decidual cells, is a critical event during the establishment of pregnancy. It is dependent on the steroid hormone progesterone acting through the nuclear progesterone receptor (PR). Previously, we ide...

journal_title：Endocrinology

authors： Neff AM,Yu J,Taylor RN,Bagchi IC,Bagchi MK

更新日期：2020-01-01 00:00:00

abstract：:Alpha-calcitonin gene-related peptide (alphaCGRP) is released mainly from sensory and motor nerves in response to physiological stimuli. Despite well-documented pharmacological effects, its primary physiological role has thus far remained obscure. Increased lipid content, particularly in skeletal muscle and liver, is ...

journal_title：Endocrinology

authors： Danaher RN,Loomes KM,Leonard BL,Whiting L,Hay DL,Xu LY,Kraegen EW,Phillips AR,Cooper GJ

更新日期：2008-01-01 00:00:00

abstract：:LH and FSH are composed of a common alpha-subunit and a noncovalently associated hormone-specific beta-subunit. Unassociated beta LH and beta FSH can be retained in the cisternae of endoplasmic reticulum (ER). This phenomenon is particularly evident in gonadotropes of castrated animals where beta-subunits are expresse...

journal_title：Endocrinology

authors： Bassetti M,Pasini DL,Rosa P

更新日期：1995-03-01 00:00:00

abstract：:Isoforms of the recently cloned vesicular glutamate transporters (VGLUT1-3) selectively accumulate glutamic acid into synaptic vesicles in excitatory axon terminals and are viewed as reliable markers for glutamatergic neurons. Our present studies provided dual-label in situ hybridization evidence that virtually all (9...

journal_title：Endocrinology

authors： Hrabovszky E,Turi GF,Kalló I,Liposits Z

更新日期：2004-09-01 00:00:00

abstract：:GH has physiological functions in many tissues, but the cellular targets for direct effects of GH remain ill defined in complex tissues such as the growth plate in which the contribution of direct vs. indirect actions of GH remains controversial. The Janus kinase (Jak)-signal transducer and activator of transcription ...

journal_title：Endocrinology

authors： Gevers EF,Hannah MJ,Waters MJ,Robinson IC

更新日期：2009-08-01 00:00:00

abstract：:Desensitization and internalization of G protein-coupled receptors can be mediated by phosphorylation within the C-terminal tail, facilitating beta-arrestin binding and targeting the receptor for internalization. Type II GnRH receptors (GnRH-Rs) show such regulation, but type I GnRH-Rs lack C-tails and are not rapidly...

journal_title：Endocrinology

authors： Caunt CJ,Hislop JN,Kelly E,Matharu AL,Green LD,Sedgley KR,Finch AR,McArdle CA

更新日期：2004-08-01 00:00:00

abstract：:The differential regulation of neurotensin (NT), calcitonin (CT), and CT gene-related peptide (CGRP) production was studied in the clonal, rat C cell-derived, 44-2C cell line. Two experimental paradigms were used: cells were incubated with maximally effective concentrations of calcium (4.0 mM); alternatively, cells we...

journal_title：Endocrinology

authors： Zeytin FN,Rusk S,Leff SE

更新日期：1987-07-01 00:00:00

abstract：:Four 1-yr-old, i.e. immature, monkeys (M. fascicularis) were treated with testosterone. For the first 21 weeks, they received testosterone capsules sc; thereafter for the remainder of 1 yr, they received weekly injections of 125 mg testosterone enanthate. Four similarly aged monkeys served as untreated controls. The t...

journal_title：Endocrinology

authors： Marshall GR,Wickings EJ,Nieschlag E

更新日期：1984-06-01 00:00:00

abstract：:Term pregnancy human placenta contains hCG/LH receptor mRNA transcripts and immunoreactive receptor protein. Both the receptor transcripts and receptor proteins are present only in trophoblasts. These findings led us to investigate whether hCG can regulate its own synthesis in term pregnancy human placenta. Treatment ...

journal_title：Endocrinology

authors： Licht P,Cao H,Lei ZM,Rao CV,Merz WE

更新日期：1993-12-01 00:00:00