Developmental regulation of the sodium/hydrogen ion exchangers and their regulatory factors in baboon placental syncytiotrophoblast.

abstract：:Diastolic dysfunction is a prognosticator for future cardiovascular events that demonstrates a strong correlation with obesity. Pharmacological inhibition of dipeptidylpeptidase-4 (DPP-4) to increase the bioavailability of glucagon-like peptide-1 is an emerging therapy for control of glycemia in type 2 diabetes patien...

journal_title：Endocrinology

authors： Aroor AR,Sowers JR,Bender SB,Nistala R,Garro M,Mugerfeld I,Hayden MR,Johnson MS,Salam M,Whaley-Connell A,Demarco VG

更新日期：2013-07-01 00:00:00

abstract：:We recently found that plasma membrane phosphatidylinositol 4,5-bisphosphate (PIP(2))-regulated filamentous actin (F-actin) polymerization was diminished in hyperinsulinemic cell culture models of insulin resistance. Here we delineated whether increased glucose flux through the hexosamine biosynthesis pathway (HBP) ca...

journal_title：Endocrinology

authors： Bhonagiri P,Pattar GR,Horvath EM,Habegger KM,McCarthy AM,Elmendorf JS

更新日期：2009-04-01 00:00:00

abstract：:The formation of ovarian follicles and subsequent development after birth are critical processes for female reproduction, and inappropriate coordination of these processes contributes to ovarian pathologies, such as premature ovarian failure and infertility. Identification and functional investigation of the factors i...

journal_title：Endocrinology

authors： Wang N,Zhang P,Guo X,Zhou Z,Sha J

更新日期：2011-03-01 00:00:00

abstract：:Estrogen deficiency induced by menopause leads to an increase in bone resorption that is not compensated for by a comparable increase in bone formation, resulting in excessive bone loss. Clinically, estrogen replacement reverses these processes, but the mechanisms by which this takes place are not completely understoo...

journal_title：Endocrinology

authors： Robinson JA,Riggs BL,Spelsberg TC,Oursler MJ

更新日期：1996-02-01 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：:Thyroid hormone entry into the thymocyte, a thyroid hormone target, was investigated by incubating the cells with tracer amounts of [125I]L-T3. At 37 C T3 uptake was linear with time up to 2 min, and then approached a plateau. The specific T3 uptake, obtained by subtracting the uptake in the presence of excess unlabel...

journal_title：Endocrinology

authors： Centanni M,Mancini G,Andreoli M

更新日期：1989-05-01 00:00:00

abstract：:The xenoestrogen bisphenol A (BPA) has been shown to mimic estrogen both in vivo and in vitro. BPA stimulates PRL secretion and the expression of a PRL regulating factor from the posterior pituitary in the estrogen-sensitive Fischer 344 rat (F344), but not in Sprague-Dawley (SD) rats. The goal of the present studies w...

journal_title：Endocrinology

authors： Steinmetz R,Mitchner NA,Grant A,Allen DL,Bigsby RM,Ben-Jonathan N

更新日期：1998-06-01 00:00:00

abstract：:The effect of fasting on hepatic endothelial lipase activity in the liver of adult rats was investigated. We found that, both in male and female rats, fasting produced a progressive decrease of the hepatic endothelial lipase activity. Upon refeeding, the activity returned to control values in 48 h. In isolated livers ...

journal_title：Endocrinology

authors： Peinado-Onsurbe J,Soler C,Galan X,Poveda B,Soley M,Llobera M,Ramírez I

更新日期：1991-11-01 00:00:00

abstract：:Dehydroepiandrosterone (DHEA) and its sulfate ester are the most abundant circulating adrenal steroids in humans. Administration of DHEA has been reported to have beneficial effects on obesity, hyperlipidemia, diabetes, and atherosclerosis in obese rodents, although its effects on insulin resistance have not been full...

journal_title：Endocrinology

authors： Kimura M,Tanaka S,Yamada Y,Kiuchi Y,Yamakawa T,Sekihara H

更新日期：1998-07-01 00:00:00

abstract：:In addition to androgens that are essential for maintenance of prostate growth and function, nonandrogenic hormones must also be considered to explain some regulatory events occurring in the prostate. The detection of LH/CG receptor (LH/CG-R) gene expression in some nongonadal tissues, has led us to consider LH as a p...

journal_title：Endocrinology

authors： Reiter E,McNamara M,Closset J,Hennen G

更新日期：1995-03-01 00:00:00

abstract：:The site(s) of the negative feedback action of estrogen on gonadotropin secretion were studied in the ovariectomized rhesus monkey by observing the serum LH and FSH responses to intravenous GnRH injections at various times after implantation of Silastic capsules filled with estrogen. Circulating estrogen concentration...

journal_title：Endocrinology

authors： Weick RF,Pitelka V,Thompson DL

更新日期：1983-05-01 00:00:00

abstract：:We performed an electrophysiological study to investigate ion transport of pendrin and thereby understand the pathogenesis of Pendred syndrome. Using pendrin-transfected COS-7 cells, we could show that pendrin transports both iodide and chloride measured as voltage-dependent inward and outward membrane currents. Chlor...

journal_title：Endocrinology

authors： Yoshida A,Hisatome I,Taniguchi S,Sasaki N,Yamamoto Y,Miake J,Fukui H,Shimizu H,Okamura T,Okura T,Igawa O,Shigemasa C,Green ED,Kohn LD,Suzuki K

更新日期：2004-09-01 00:00:00

abstract：:The secretion of LH, PRL, and cortisol was investigated in 4 sexually mature female rhesus macaques with cardiac catheters protected by tethers. Based on endocrine parameters, all 4 of the animals ovulated within 2 months from the time they were tethered, and regular menstrual cycles of 24-34 days were observed. The c...

journal_title：Endocrinology

authors： Norman RL,Lindstrom SA,Bangsberg D,Ellinwood WE,Gliessman P,Spies HG

更新日期：1984-07-01 00:00:00

abstract：:Wortmannin (5-100 nM), a specific phosphatidyinositol 3-kinase inhibitor, augmented 8 mM glucose-induced insulin secretion from control Sprague Dawley rat islets in a dose-dependent manner. This effect persisted after its removal from the perifusion medium; however, this augmenting effect was reduced by the calcium ch...

journal_title：Endocrinology

authors： Zawalich WS,Zawalich KC

更新日期：2000-09-01 00:00:00

abstract：:PRL has been reported to exist as a number of mol wt and charge variants. We have attempted to determine the relationships among the charge and lower mol wt variants by two-dimensional gel analysis of pituitary and pituitary cell extracts. Silver-stained gels of the extracts showed three major charge isoforms of 24,00...

journal_title：Endocrinology

authors： Oetting WS,Walker AM

更新日期：1985-10-01 00:00:00

abstract：:Carboxyl-terminal fragments of PTH (C-PTH) appear to have biological properties different from those mediated by the amino-terminal portions of PTH and PTH-related peptide (PTHrP). To characterize a C-PTH receptor that may be involved in mediating these functions, we performed RRAs and affinity cross-linking studies w...

journal_title：Endocrinology

authors： Inomata N,Akiyama M,Kubota N,Jüppner H

更新日期：1995-11-01 00:00:00

abstract：:To investigate the physiological role of GRF and somatostatin (SRIF) in GH secretion in adult male rats, we prepared in vitro models using the perifusion system of cultured rat anterior pituitary cells exposed to various combinations of human GRF-(1-44)NH2 (hGRF) and SRIF. We studied the following three models on GRF ...

journal_title：Endocrinology

authors： Sato M,Takahara J,Fujioka Y,Niimi M,Irino S

更新日期：1988-10-01 00:00:00

abstract：:Steroids mediate the gonadotropic stimulus of oocyte maturation in fish and amphibians. Such a role of steroids in mammals has not been confirmed until recently. A series of studies presented data suggesting that steroids might be involved in meiosis of mouse oocytes. Here we examined this suggestion using in vitro cu...

journal_title：Endocrinology

authors： Motola S,Popliker M,Tsafriri A

更新日期：2007-09-01 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 studied the interactions of two natural thyroid hormone receptor (TR) mutants from patients with resistance to thyroid hormone (RTH) and an artificial TR mutant with a nuclear receptor corepressor, N-CoR, and a steroid receptor coactivator, SRC-1. In electrophoretic mobility shift assays, wild-type TRbeta-1 interac...

journal_title：Endocrinology

authors： Liu Y,Takeshita A,Misiti S,Chin WW,Yen PM

更新日期：1998-10-01 00:00:00

abstract：:A transient increase in serum progesterone concentrations (to 1 ng/ml for 1-2 days) is observed in the majority of ewes before the first estrous cycle of the breeding season. To determine whether such a brief antecedent rise in progesterone ensures initiation of a full-length cycle by the next LH surge, synthetic GnRH...

journal_title：Endocrinology

authors： Legan SJ,I'Anson H,Fitzgerald BP,Akaydin MS Jr

更新日期：1985-10-01 00:00:00

abstract：:T(4) activation into T(3) is catalyzed by type 2 deiodinase (D2) in the brain. The rapid induction of D2 in astrocytes by transient brain ischemia has prompted us to explore the effects of hypoxia on D2 in cultures of astrocytes. Hypoxia (2.5% O(2)) of cultured astrocytes increased D2 activity, alone or in association...

journal_title：Endocrinology

authors： Lamirand A,Mercier G,Ramaugé M,Pierre M,Courtin F

更新日期：2007-10-01 00:00:00

abstract：:We report here 1) that GnRH and a potent GnRH agonist inhibit basal and LH stimulated ovarian androgen biosynthesis in vitro, 2) that the inhibitory effects of GnRH are dose-dependent and completely inhibited by concomitant treatment with a GnRH antagonist and 3) that the GnRH action is very rapid (t1/2 = 10 min) and ...

journal_title：Endocrinology

authors： Magoffin DA,Reynolds DS,Erickson GF

更新日期：1981-08-01 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：:Bioactive peptides are usually synthesized as inactive precursor proteins that yield bioactive products only after specific biosynthetic processing events. Large dense core vesicles (LDCV) are usually the site of storage of mature peptides. Atrial myocyte LDCV are rather unique in their storage of intact prohormone, p...

journal_title：Endocrinology

authors： Marx R,Mains RE

更新日期：1997-12-01 00:00:00

abstract：:Maternal nutrient restriction at specific stages of gestation has differential effects on fetal development such that the offspring are programmed to be at increased risk of adult disease. We investigated the effect of gestational age and maternal nutrition on the maternal plasma concentration of leptin and cortisol t...

journal_title：Endocrinology

authors： Bispham J,Gopalakrishnan GS,Dandrea J,Wilson V,Budge H,Keisler DH,Broughton Pipkin F,Stephenson T,Symonds ME

更新日期：2003-08-01 00:00:00

abstract：:During the reproductive cycle, fluctuations in circulating estrogens affect multiple homeostatic systems controlled by hypothalamic neurons. Two of these neuronal populations are arcuate proopiomelanocortin and neuropeptide Y neurons, which control energy homeostasis and feeding. Estradiol modulates these neurons eith...

journal_title：Endocrinology

authors： Roepke TA,Xue C,Bosch MA,Scanlan TS,Kelly MJ,Rønnekleiv OK

更新日期：2008-12-01 00:00:00

abstract：:The role of 11 beta,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al (F enol aldehyde) as an intermediate in the biological conversion of cortisol to a 17-deoxy-21-oic acid was studied in vitro with mouse liver as the source of enzyme. The substrate, [1,2-3H]F enol aldehyde, was synthesized and found to contain cis and tr...

journal_title：Endocrinology

authors： Singer CJ,Iohan F,Monder C

更新日期：1986-09-01 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：:To study the transcriptional regulation of the vasopressin gene in vitro, 3 kb of the 5' regulatory region of the rat vasopressin gene was isolated and subcloned, along with a series of various deletion mutants, into vectors containing the luciferase reporter gene. After transfecting these genes transiently into the h...

journal_title：Endocrinology

authors： Iwasaki Y,Oiso Y,Saito H,Majzoub JA

更新日期：1997-12-01 00:00:00