Characterization of angiotensin I-converting enzyme (ACE)-containing follicles in the rat ovary during the estrous cycle and effects of ACE inhibitor on ovulation.

abstract：:Renal prostaglandin E2 (PGE2) synthesis is enhanced by exogenous vasopressin (AVP). To determine whether the pressor or the antidiuretic activities of AVP are related to its effect on PGE2 synthesis, AVP and the nonpressor analog, 1-deamino-8-D-arginine vasopressin (dD'AVP), were administered to the isolated perfused ...

journal_title：Endocrinology

authors： Zipser RD,Myers SI,Needleman P

更新日期：1981-02-01 00:00:00

abstract：:In adult rats hysterectomized on day 8 of pseudopregnancy, the mean serum progesterone (P) level fell from 88 ng/ml on day 8 to 44 ng/ml on day 15 (n = 61). In response to a single sc injection of 0.5 ml of a specific antiserum to LH (LHAS) on day 10, the P level fell to less than 10 by day 15 in 29 of 33 rats; howeve...

journal_title：Endocrinology

authors： Sanchez-Criado J,Rothchild I

更新日期：1986-10-01 00:00:00

abstract：:The present study was conducted to elucidate the possible molecular mechanisms involved in the antispermatogenic activity of l-CDB-4022, an indenopyridine. In this study 45-d-old male Sprague-Dawley rats were treated with a single oral dose of l-CDB-4022 (2.5 mg/kg) or vehicle, and blood and testes were collected at v...

journal_title：Endocrinology

authors： Koduri S,Hild SA,Pessaint L,Reel JR,Attardi BJ

更新日期：2008-04-01 00:00:00

abstract：:Glucocorticoid hormones act in the nucleus of the cell to alter expression of specific genes and change cell metabolism. In liver, these hormones have been reported to increase mitochondrial respiratory activity, which is regulated by both nuclear and mitochondrial gene products. We examined the effects of the synthet...

journal_title：Endocrinology

authors： Van Itallie CM

更新日期：1992-02-01 00:00:00

abstract：:11 beta-hydroxysteroid dehydrogenase (11 beta-OHSD) is thought to confer aldosterone specificity to mineralocorticoid target cells by protecting the mineralocorticoid receptor from occupancy by endogenous glucocorticoids. We have recently described a novel isoform of 11-OHSD in the renal aldosterone target cells (11 b...

journal_title：Endocrinology

authors： Náray-Fejes-Tóth A,Fejes-Tóth G

更新日期：1995-06-01 00:00:00

abstract：:Prolactin (PRL) is tonically inhibited by dopamine (DA) released from neurons in the arcuate and periventricular nuclei. Kisspeptin plays a pivotal role in LH regulation. In rodents, kisspeptin neurons are found mostly in the anteroventral periventricular and arcuate nuclei, but the physiology of arcuate kisspeptin ne...

journal_title：Endocrinology

authors： Szawka RE,Ribeiro AB,Leite CM,Helena CV,Franci CR,Anderson GM,Hoffman GE,Anselmo-Franci JA

更新日期：2010-07-01 00:00:00

abstract：:Progesterone (P(4)) signaling is critical for pregnancy. We previously showed that immunopilin FK506 binding protein (FKBP)52 serves as a cochaperone to optimize progesterone receptor (PR) function in the uterus, and its deficiency leads to P(4) resistance in a pregnancy stage-specific and genetic background-dependent...

journal_title：Endocrinology

authors： Hirota Y,Burnum KE,Acar N,Rabinovich GA,Daikoku T,Dey SK

更新日期：2012-05-01 00:00:00

abstract：:To examine the possibility that the prepubertal hiatus in gonadotropin secretion in primates is occasioned by an endogenous opioid peptide (EOP)-dependent suppression of pulsatile GnRH release, the ability of an EOP receptor antagonist, naloxone (NAL), to elicit GnRH release was examined indirectly in the rhesus monke...

journal_title：Endocrinology

authors： Medhamurthy R,Gay VL,Plant TM

更新日期：1990-02-01 00:00:00

abstract：:Hypothalamic insulin signaling is essential to the maintenance of glucose and energy homeostasis. During pathological states, such as obesity and type 2 diabetes mellitus, insulin signaling is impaired. One key mechanism involved in the development of insulin resistance is lipotoxicity, through increased circulating s...

journal_title：Endocrinology

authors： Mayer CM,Belsham DD

更新日期：2010-02-01 00:00:00

abstract：:Circulating levels of insulin-like growth factor-I (IGF-I) increase during puberty, concurrent with an increase in the levels of GH and the gonadal steroids. The relationship between the changes observed in IGF-I and testosterone (T) levels are not understood. This study was designed to determine whether T has a direc...

journal_title：Endocrinology

authors： Phillip M,Palese T,Hernandez ER,Roberts CT Jr,LeRoith D,Kowarski AA

更新日期：1992-05-01 00:00:00

abstract：:Equine CG (eCG) both radioiodinated and unlabeled, was injected iv into male rats, and the disappearance of the hormone from the circulation was studied. The uptake and inactivation of the hormone by various tissues was also examined. The disappearance curve of eCG consisted of two exponential components with apparent...

journal_title：Endocrinology

authors： Aggarwal BB,Papkoff H

更新日期：1981-10-01 00:00:00

abstract：:Two receptors (CRH receptor type 1 and CRH receptor type 2) have been identified for the stress-induced neuropeptide, CRH and related peptides, urocortin, and urocortin II. We previously found marked down-regulation of cardiac CRH receptor type 2 expression following administration of bacterial endotoxin, lipopolysacc...

journal_title：Endocrinology

authors： Coste SC,Heldwein KA,Stevens SL,Tobar-Dupres E,Stenzel-Poore MP

更新日期：2001-08-01 00:00:00

abstract：:Recent evidence suggests that growth hormone-releasing peptides (GHRPs) mimic an unidentified native GH-releasing hormone (GHRH)-amplifying hormone. GHRH has been shown to stimulate food intake acting on the central nervous system. The present studies were conducted to test the hypothesis that GHRPs may also potentiat...

journal_title：Endocrinology

authors： Okada K,Ishii S,Minami S,Sugihara H,Shibasaki T,Wakabayashi I

更新日期：1996-11-01 00:00:00

abstract：:GnRH neurons were harvested from adult male rats in order to determine if LH or FSH directly altered the modalities of GnRH release and/or cellular GnRH content. Cultures received vehicle, 25 ng/ml LH, 125 ng/ml LH, 25 ng/ml FSH, or 125 ng/ml FSH, and media samples were collected before treatment, during the treatment...

journal_title：Endocrinology

authors： Melrose PA

更新日期：1987-07-01 00:00:00

abstract：:Pulsatile administration of glucagon to perifused rat hepatocytes stimulates hepatocyte glucose production (HGP) more effectively than continuous administration. Having established that this effect was due to delayed relaxation of glucagon-stimulated HGP (t1/2 for decay = 3.54 +/- 0.60 min) we wished to examine the me...

journal_title：Endocrinology

authors： Weigle DS,Sweet IR,Goodner CJ

更新日期：1987-08-01 00:00:00

abstract：:Insulin radioreceptor assays were developed using splenic leukocytes and peripheral erythrocytes from individual mice. Splenic leukocytes were prepared using an NH4Cl buffer which did not alter insulin binding, but gave much higher yields than density gradient methods. Mouse erythrocytes were isolated from heparinized...

journal_title：Endocrinology

authors： Shimizu F,Kahn CR

更新日期：1982-02-01 00:00:00

abstract：:Humans are routinely exposed to bisphenol A (BPA), an estrogenic chemical present in food and beverage containers, dental composites, and many products in the home and workplace. BPA binds both classical nuclear estrogen receptors and facilitates membrane-initiated estrogenic effects. Here we explore the ability of en...

journal_title：Endocrinology

authors： Rubin BS,Lenkowski JR,Schaeberle CM,Vandenberg LN,Ronsheim PM,Soto AM

更新日期：2006-08-01 00:00:00

abstract：:Early obesity and late onset of insulin resistance associated with hormonal imbalances occur in FSH receptor-deficient follitropin receptor knockout female mice. This study tests the hypothesis that chronic high-fat diet aggravates obesogenic changes in a depot-specific manner and explores some molecular links of horm...

journal_title：Endocrinology

authors： Zhang H,Chen X,Aravindakshan J,Sairam MR

更新日期：2007-12-01 00:00:00

abstract：:Metastatic pheochromocytoma continues to be an incurable disease, and treatment with conventional cytotoxic chemotherapy offers limited efficacy. In the present study, we evaluated a novel topoisomerase I inhibitor, LMP-400, as a potential treatment for this devastating disease. We found a high expression of topoisome...

journal_title：Endocrinology

authors： Schovanek J,Bullova P,Tayem Y,Giubellino A,Wesley R,Lendvai N,Nölting S,Kopacek J,Frysak Z,Pommier Y,Kummar S,Pacak K

更新日期：2015-11-01 00:00:00

abstract：:Adipose tissue secretes a variety of bioactive signaling molecules, termed adipokines, which regulate numerous biological functions including appetite, energy balance, glucose homeostasis, and inflammation. Chemerin is a novel adipokine that regulates adipocyte differentiation and metabolism by binding to and activati...

journal_title：Endocrinology

authors： Ernst MC,Haidl ID,Zúñiga LA,Dranse HJ,Rourke JL,Zabel BA,Butcher EC,Sinal CJ

更新日期：2012-02-01 00:00:00

abstract：:We recently described a novel GnRH receptor signaling pathway mediated by the prostaglandins (PGs) F(2alpha) and PGI(2), which acts through an autocrine/paracrine modality to limit autoregulation of the GnRH receptor and inhibit LH but not FSH release. Here we further explore the cross talk between GnRH and the PG rec...

journal_title：Endocrinology

authors： Naidich M,Shterntal B,Furman R,Pawson AJ,Jabbour HN,Morgan K,Millar RP,Jia J,Tomic M,Stojilkovic S,Stern N,Naor Z

更新日期：2010-06-01 00:00:00

abstract：:To study blood capillary growth in the hyperplastic thyroid gland, rats were fed 0.25% thiouracil in a low iodine diet for time intervals up to 100 days. Thyroids were fixed by vascular perfusion and embeded in Epon. Whole lobes were sectioned from pole to pole and slides were prepared of sections every 0.3 mm. Capill...

journal_title：Endocrinology

authors： Wollman SH,Herveg JP,Zeligs JD,Ericson LE

更新日期：1978-12-01 00:00:00

abstract：:The involvement of IGF-I in mammary carcinogenesis is well established, but the role of GH, as an autocrine growth factor for breast cancers is poorly understood. The goal of our study was to investigate whether antagonists of GHRH can interfere with the effects of GH and IGF-I in MXT mouse mammary cancers. GHRH antag...

journal_title：Endocrinology

authors： Szepeshazi K,Schally AV,Armatis P,Groot K,Hebert F,Feil A,Varga JL,Halmos G

更新日期：2001-10-01 00:00:00

abstract：:Reports of estrone (E1) and dehydroepiandrosterone (DHEA) sulfatase (sulfohydrolase) activities within many human breast cancers have prompted us to undertake the identification and partial characterization of these enzyme activities within MCF-7 human breast cancer cells. Enzyme assays were performed within subcellul...

journal_title：Endocrinology

authors： MacIndoe JH

更新日期：1988-09-01 00:00:00

abstract：:Kisspeptin, neurokinin B (NKB) and dynorphin A are coexpressed in a population of neurons in the arcuate nucleus (ARC), termed KNDy neurons, which were recently recognized as important elements for the generation of GnRH pulses. However, the topographic distribution of these peptides and their regulated expression by ...

journal_title：Endocrinology

authors： Overgaard A,Ruiz-Pino F,Castellano JM,Tena-Sempere M,Mikkelsen JD

更新日期：2014-10-01 00:00:00

abstract：:In mammals, skeletal muscle mass is negatively regulated by a muscle-derived growth/differentiating factor named myostatin (MSTN) that belongs to the transforming growth factor-beta superfamily. Although putative MSTN homologs have been identified from several vertebrates, nonmammalian orthologs remained poorly define...

journal_title：Endocrinology

authors： Rodgers BD,Weber GM,Sullivan CV,Levine MA

更新日期：2001-04-01 00:00:00

abstract：:Thyroid dysfunction during human pregnancy is closely related to serious pregnancy outcome. However, the regulation and function of thyroid hormones during early pregnancy are largely unknown. We found that type II deiodinase, an enzyme converting T4 to activated T3, is highly expressed in the mouse uterus on days 3 a...

journal_title：Endocrinology

authors： Deng WB,Liang XH,Liu JL,Yang ZM

更新日期：2014-07-01 00:00:00

abstract：:The electrophoretic distribution of the polypeptides synthesized by bovine granulosa cell cultures after metabolic labeling with [35S]methionine has been analyzed by double gel electrophoresis. The fluctuations of 35 polypeptides have been followed as a function of the size of the follicles from which cultures origina...

journal_title：Endocrinology

authors： Savion N,Gospodarowicz D

更新日期：1980-12-01 00:00:00

abstract：:We previously described a novel alternatively spliced mRNA transcript of the betacellulin (BTC) gene. This splice isoform, termed BTC-delta4, lacks the C-loop of the epidermal growth factor motif and the transmembrane domain as a result of exon 4 'skipping'. In this study, we expressed BTC-delta4 recombinantly to expl...

journal_title：Endocrinology

authors： Ogata T,Dunbar AJ,Yamamoto Y,Tanaka Y,Seno M,Kojima I

更新日期：2005-11-01 00:00:00

abstract：:T3 is required for normal skeletal development, but its cellular targets in bone are unknown. T3 regulates target gene transcription via a specific nuclear receptor (T3R), which can heterodimerize with 9-cis-retinoic acid, 1 alpha, 25-dihydroxyvitamin D3, or retinoic acid receptors to modify T3 responsiveness. Serum-f...

journal_title：Endocrinology

authors： Williams GR,Bland R,Sheppard MC

更新日期：1994-12-01 00:00:00