Diametric effects of bacterial endotoxin lipopolysaccharide on adrenal and Leydig cell steroidogenic acute regulatory protein.

abstract：:We hypothesized the existence of vagal arginine sensors in the liver which modulate arginine-induced pancreatic hormone secretion. The present study was carried out to examine the efferent pathways and receptor mechanisms from arginine sensors using selective vagotomies and autonomic drugs on the secretion of insulin ...

journal_title：Endocrinology

authors： Tanaka K,Inoue S,Nagase H,Takamura Y

更新日期：1990-10-01 00:00:00

abstract：:Expression of annexin-I was investigated in the rat mammary gland during pregnancy, lactation, and involution. Both the mRNA and protein were very abundant in the mature virgin gland, but declined significantly by midpregnancy. In the lactating gland, little or no annexin-I was detected. After weaning, mRNA and protei...

journal_title：Endocrinology

authors： Horlick KR,Ganjianpour M,Frost SC,Nick HS

更新日期：1991-03-01 00:00:00

abstract：:Human livers, obtained from donors at the time of transplant, were homogenized in 0.25 M sucrose and fractionated by differential centrifugation. The specific binding of [125I] human (h) GH to total particulate fractions from 18 livers varied from 0.4-5.1% of the total radioactivity/100 micrograms protein. Binding aff...

journal_title：Endocrinology

authors： Hocquette JF,Postel-Vinay MC,Kayser C,de Hemptinne B,Amar-Costesec A

更新日期：1989-10-01 00:00:00

abstract：:Remodeling of maternal spiral arteries during pregnancy requires a subpopulation of extravillous cytotrophoblasts (EVTs) to differentiate into endovascular EVTs. Activin A, which is abundantly expressed at the maternal-fetal interface, has been shown to promote trophoblast invasion, but its role in endovascular differ...

journal_title：Endocrinology

authors： Li Y,Zhu H,Klausen C,Peng B,Leung PC

更新日期：2015-11-01 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：:Cholecystokinin (CCK)/gastrin receptors were characterized in calf pancreatic plasma membranes from newborns, 28- and 119-day-old milk-fed preruminants, and 119-day-old weaned ruminants. Scatchard analysis of [125I]Bolton-Hunter reagent-[Thr28,Nle31]CCK-(25-33) binding indicated two classes of binding sites: high affi...

journal_title：Endocrinology

authors： Le Meuth V,Philouze-Rome V,Le Huerou-Luron I,Formal M,Vaysse N,Gespach C,Guilloteau P,Fourmy D

更新日期：1993-09-01 00:00:00

abstract：:The present study was undertaken to evaluate the efficacy of an estradiol-chemical delivery system (E2-CDS) for the brain vs. estradiol benzoate (E2-BNZ) in suppressing serum testosterone (T) and weights of the ventral prostate and seminal vesicle in male rats. Also, the role of serum T in the weight reduction of andr...

journal_title：Endocrinology

authors： Anderson WR,Rahimy MH,Brewster ME,Bodor N,Simpkins JW

更新日期：1991-08-01 00:00:00

abstract：:Thyroid hormones are essential for normal development and metabolism. Their synthesis requires transport of iodide into thyroid follicles. The mechanisms involving the apical efflux of iodide into the follicular lumen are poorly elucidated. The discovery of mutations in the SLC26A4 gene in patients with Pendred syndro...

journal_title：Endocrinology

authors： Pesce L,Bizhanova A,Caraballo JC,Westphal W,Butti ML,Comellas A,Kopp P

更新日期：2012-01-01 00:00:00

abstract：:Recent studies of the human brain insulin receptor raise the possibility that some of the differences described between rat brain insulin receptors and rat liver insulin receptors may have been due to the presence of insulin-like growth factor I (IGF-I) receptors in the brain. This study details side by side compariso...

journal_title：Endocrinology

authors： McElduff A,Poronnik P,Baxter RC,Williams P

更新日期：1988-05-01 00:00:00

abstract：:GH is a pleiotropic hormone that plays a major role in proliferation, differentiation, and metabolism via its specific receptor. It has been previously suggested that GH signaling pathways are required for normal liver regeneration but the molecular mechanisms involved have yet to be determined. The aim of this study ...

journal_title：Endocrinology

authors： Zerrad-Saadi A,Lambert-Blot M,Mitchell C,Bretes H,Collin de l'Hortet A,Baud V,Chereau F,Sotiropoulos A,Kopchick JJ,Liao L,Xu J,Gilgenkrantz H,Guidotti JE

更新日期：2011-07-01 00:00:00

abstract：:Oscillations in intracellular calcium levels have been described in GnRH-1 neurons in both prenatal and adult cells. However, differences have been reported in the mechanisms underlying these [Ca(2+)](i) oscillations, dependent on the model used. The goal of this study was to address whether these changes depend on th...

journal_title：Endocrinology

authors： Constantin S,Klenke U,Wray S

更新日期：2010-08-01 00:00:00

abstract：:The maternal plasma concentrations of GH and PRL increase dramatically upon the initiation of lactation in the rat. In light of the fact that these two hormones have evolved from one common precursor, we sought to determine if the neuroendocrine mechanisms regulating their concomitant increase during lactation are com...

journal_title：Endocrinology

authors： Wehrenberg WB,Gaillard RC

更新日期：1989-01-01 00:00:00

abstract：:Although the interactions between sex steroids and GnRH have been extensively studied, little is known about the mechanism of estradiol (E2) effects on GnRH secretion. In the present study, we used retrochiasmatic hypothalamic explants of 50-d-old male rats, and we observed that E2 significantly increased the glutamat...

journal_title：Endocrinology

authors： Matagne V,Lebrethon MC,Gérard A,Bourguignon JP

更新日期：2005-05-01 00:00:00

abstract：:To determine the effect of aromatase inhibitors on peripheral aromatization, male rhesus monkeys were infused with [7-3H]androstenedione and [4-14C]estrone before and during treatment with 4-hdyroxy-androstene-3,17-dione (50 mg/kg each; four monkeys) or 4-acetoxy-androstene-3,17-dione (700 mg each; two monkeys). In al...

journal_title：Endocrinology

authors： Brodie AM,Longcope C

更新日期：1980-01-01 00:00:00

abstract：:To investigate the mechanism of insulin insensitivity during fasting and hyperresponsiveness to insulin after refeeding, insulin binding, 2-deoxyglucose uptake and glucose oxidation were measured in adipocytes from three groups of rats: control, 48 h fasted, and 48 h refed after 48 h fasting. In 48 h fasted rats, fat ...

journal_title：Endocrinology

authors： Kasuga M,Akanuma Y,Iwamoto Y,Kosaka K

更新日期：1977-05-01 00:00:00

abstract：:The 11 beta-hydroxysteroid dehydrogenase type 2 (11 beta HSD-2) enzyme is thought to confer aldosterone specificity upon mineralocorticoid target tissues by protecting the mineralocorticoid receptor from binding by the more abundant glucocorticoids, corticosterone and cortisol. We have developed a Chinese hamster ovar...

journal_title：Endocrinology

authors： Morita H,Zhou M,Foecking MF,Gomez-Sanchez EP,Cozza EN,Gomez-Sanchez CE

更新日期：1996-06-01 00:00:00

abstract：:Myocardial fibrosis is a key pathological change in a variety of heart diseases contributing to the development of heart failure, arrhythmias, and sudden death. Recent studies have shown that relaxin prevents and reverses cardiac fibrosis. Endogenous expression of relaxin was elevated in the setting of heart disease; ...

journal_title：Endocrinology

authors： Gu HP,Lin S,Xu M,Yu HY,Du XJ,Zhang YY,Yuan G,Gao W

更新日期：2012-08-01 00:00:00

abstract：:Angiotensin II and extracellular potassium stimulate aldosterone production in adrenal glomerulosa cells by mobilizing the calcium messenger system. This response requires calcium influx across the plasma membrane, followed by calcium uptake into the mitochondria. It has been proposed that calcium is transported to th...

journal_title：Endocrinology

authors： Lalevée N,Resin V,Arnaudeau S,Demaurex N,Rossier MF

更新日期：2003-10-01 00:00:00

abstract：:The present studies were conducted to further evaluate inositol phosphate formation and metabolism in prostaglandin F2 alpha (PGF2 alpha)-stimulated bovine luteal cells. Corpora lutea were dispersed with collagenase, and luteal cells were prelabeled for 3 h with [3H]inositol. Inositol phosphates produced in response t...

journal_title：Endocrinology

authors： Duncan RA,Davis JS

更新日期：1991-03-01 00:00:00

abstract：:The adrenergic control of cAMP and 3',5'-cyclic GMP (cGMP) in dispersed adult rat pinealocytes was investigated. Norepinephrine treatment increased cAMP and cGMP content 60- and 400-fold, respectively; both alpha- and beta-adrenoceptors had to be activated for these responses to occur. Beta-Adrenergic stimulation alon...

journal_title：Endocrinology

authors： Vanecek J,Sugden D,Weller J,Klein DC

更新日期：1985-06-01 00:00:00

abstract：:After hormonal ablation, 90% of the secretory epithelial cells of the prostate undergo apoptosis, and the remaining cells are reorganized as the tissue is remodeled. Using differential display RT-PCR of total RNA extracted from the rat ventral prostate before and 4 days after castration, we have cloned and sequenced a...

journal_title：Endocrinology

authors： Morrissey C,Bennett S,Nitsche E,Guenette RS,Wong P,Tenniswood M

更新日期：1999-07-01 00:00:00

abstract：:We have established immortalized human granulosa cells by triple transfection of primary cells obtained from in vitro fertilization patients with SV40 DNA, Ha-ras oncogene, and a temperature sensitive (ts) mutant of the tumor suppressor gene p53 (p53val135). Forty-one clones were isolated, and their steroidogenic resp...

journal_title：Endocrinology

authors： Hosokawa K,Dantes A,Schere-Levy C,Barash A,Yoshida Y,Kotsuji F,Vlodavsky I,Amsterdam A

更新日期：1998-11-01 00:00:00

abstract：:Epididymal adipocytes were isolated from Fischer 344 rats aged 3, 6, 12, and 24 months, to study the mechanisms responsible for age-dependent diminution in cellular adrenergic responsiveness. Messenger RNA (mRNA) levels for the beta 1-, beta 2-, and beta 3-adrenergic receptors (ARs) were compared across age groups and...

journal_title：Endocrinology

authors： Gettys TW,Rohlfs EM,Prpic V,Daniel KW,Taylor IL,Collins S

更新日期：1995-05-01 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：:Breast cancer incidence increases in women receiving combined estrogen and progesterone therapy. Breast tumors show increased expression of the glucose transporter GLUT1. We determined the effect of these hormones on GLUT1-4 expression and deoxyglucose transport in ZR-75-1 breast cancer cells. Immunoblotting, immunocy...

journal_title：Endocrinology

authors： Medina RA,Meneses AM,Vera JC,Guzman C,Nualart F,Astuya A,García MA,Kato S,Carvajal A,Pinto M,Owen GI

更新日期：2003-10-01 00:00:00

abstract：:In fish spermatogenesis, the main action of progestins is generally regarded as the induction of sperm maturation. Our previous in vitro study demonstrated that a progestin, 17alpha,20beta-dihydroxy-4-pregnen-3-one (DHP), induced the initiation of meiosis in spermatogenesis in the Japanese eel (Anguilla japonica). In ...

journal_title：Endocrinology

authors： Ozaki Y,Higuchi M,Miura C,Yamaguchi S,Tozawa Y,Miura T

更新日期：2006-11-01 00:00:00

abstract：:To examine the relationship between the expression of insulin-like growth factor (IGF)-binding protein-2 (IGFBP-2) and cell growth in a cell type with a defined IGF/IGFBP system, an ovine IGFBP-2 complementary DNA was overexpressed in C6 glioma cells. C6 cells produce IGFBP-3, IGFBP-4, a negligible amount of IGFBP-2, ...

journal_title：Endocrinology

authors： Bradshaw SL,D'Ercole AJ,Han VK

更新日期：1999-02-01 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：:Effects of thyroidectomy on Fos-like immunoreactivity (IR) in the rat brain were examined using single and double-label immunocytochemical techniques. In particular, the possibility that Fos might be involved in thyroid hormone regulation of thyrotropin releasing hormone (TRH)-containing neurons located in the parvoce...

journal_title：Endocrinology

authors： Koibuchi N,Gibbs RB,Suzuki M,Pfaff DW

更新日期：1991-12-01 00:00:00

abstract：:Methylamine and monensin are two agents known to interfere with the recycling of membrane receptors. In the present investigation, we studied their effects on the binding, intracellular distribution, and action of insulin in isolated pancreatic acini prepared from diabetic mice. These drugs had several similar effects...

journal_title：Endocrinology

authors： Potau N,Bailey AC,Roach E,Williams JA,Goldfine ID

更新日期：1984-07-01 00:00:00