Effects of interferon-gamma and other cytokines on collagen synthesis in fetal rat bone cultures.

abstract：:Estrogen regulates the function, growth, and proliferation of lactotropes in the pituitary. We report here that low-density lipoprotein (LDL) receptor (LDLR) gene expression and LDL uptake are strongly up-regulated by estrogen in pituitary somatolactotropic GH(3) cells. The uptake of LDL was significantly inhibited by...

journal_title：Endocrinology

authors： Smith PM,Cowan A,White BA

更新日期：2004-07-01 00:00:00

abstract：:Previous studies established the existence of an FSH-inducible rat granulosa cell-derived insulin-like growth factor binding protein (IGFBP)-5 endopeptidase. It was the objective of this communication to characterize this activity in some detail. Exposure of [125I]rhIGFBP-5 substrate to media conditioned by FSH-treate...

journal_title：Endocrinology

authors： Resnick CE,Fielder PJ,Rosenfeld RG,Adashi EY

更新日期：1998-03-01 00:00:00

abstract：:Cloning of GnRH receptors from several animal species has made it possible to investigate receptor function using site-directed mutagenesis. However, many mutant GnRH receptors exhibit decreased ligand binding, which makes analysis of their ligand binding characteristics technically difficult. To increase the affinity...

journal_title：Endocrinology

authors： Flanagan CA,Fromme BJ,Davidson JS,Millar RP

更新日期：1998-10-01 00:00:00

abstract：:Puberty in primates is timed by 2 hypothalamic events: during late infancy a decline in pulsatile GnRH release occurs, leading to a hypogonadotropic state that maintains quiescence of the prepubertal gonad; and in late juvenile development, pulsatile GnRH release is reactivated and puberty initiated, a phase of develo...

journal_title：Endocrinology

authors： Ramaswamy S,Dwarki K,Ali B,Gibbs RB,Plant TM

更新日期：2013-05-01 00:00:00

abstract：:A biologically active form of the epidermal growth factor (EGF) precursor has been detected in human fluids and secretions. The secreted protein identified in human urine and milk has an apparent molecular mass of 160-170 kilodaltons and exhibits an affinity for the glycosaminoglycan heparin. More importantly, the sec...

journal_title：Endocrinology

authors： Mroczkowski B,Reich M

更新日期：1993-01-01 00:00:00

abstract：:Prolactin (PRL) shares several characteristics with growth factors and cytokines, many of which are known to bind to heparan sulfate proteoglycans. In this study we examined the heparin-binding properties of selected members of the PRL/GH family, using heparin affinity columns followed by gel electrophoresis/Western b...

journal_title：Endocrinology

authors： Khurana S,Kuns R,Ben-Jonathan N

更新日期：1999-02-01 00:00:00

abstract：:In developed countries, the increasing incidence of obesity is a serious health problem. Leptin exposure in the perinatal period affects long-term regulation of appetite and energy expenditure, but control of leptin production in utero is unclear. This study investigated perirenal adipose tissue (PAT) and placental le...

journal_title：Endocrinology

authors： O'Connor DM,Blache D,Hoggard N,Brookes E,Wooding FB,Fowden AL,Forhead AJ

更新日期：2007-08-01 00:00:00

abstract：:Nitric oxide (NO) has emerged as an intracellular and intercellular messenger in a number of biological systems. In the present study, we demonstrated that NO was produced by cultured rat Leydig cells, and that inducible nitric oxide synthase (iNOS) messenger RNA (mRNA) was expressed in Leydig cells. NO was measured a...

journal_title：Endocrinology

authors： Tatsumi N,Fujisawa M,Kanzaki M,Okuda Y,Okada H,Arakawa S,Kamidono S

更新日期：1997-03-01 00:00:00

abstract：:Basal serum gonadotropin levels were monitored weekly in female hamsters from birth to 10 weeks of age. Hamsters raised on three different photoperiods presented uniform pre- and postpubertal patterns of serum LH and FSH, suggesting that gonadotropin release in the young hamster occurs independently of ambient photope...

journal_title：Endocrinology

authors： Smith SG 3rd,Matt KS,Prestowitz WF,Stetson MH

更新日期：1982-04-01 00:00:00

abstract：:The mineralocorticoid receptor (MR) is a member of the steroid-thyroid hormone receptor superfamily of ligand-dependent transcription factors with diverse functions including the biological actions of aldosterone. Identification of the various transcriptional coregulators of MR is essential for understanding the compl...

journal_title：Endocrinology

authors： Kuppusamy M,Gomez-Sanchez EP,Beloate LN,Plonczynski M,Naray-Fejes-Toth A,Fejes-Toth G,Gomez-Sanchez CE

更新日期：2017-07-01 00:00:00

abstract：:Otsuka Long-Evans Tokushima fatty (OLETF) rats lacking cholecystokinin-A receptors are hyperphagic, obese, and diabetic. Although exercise attenuates OLETF rats' obesity, the mechanisms underlying the effects of exercise are unclear. In this study, we determined the effects of running wheel activity on patterns of bod...

journal_title：Endocrinology

authors： Bi S,Scott KA,Hyun J,Ladenheim EE,Moran TH

更新日期：2005-04-01 00:00:00

abstract：:Adult female transgenic mice expressing the human GH (hGH) gene with mouse metallothionein-I promoter are sterile. To evaluate the hypothalamic-pituitary function in these animals, adult female transgenic mice and nontransgenic normal littermates were ovariectomized. On days 7 and 8 after ovariectomy, mice were inject...

journal_title：Endocrinology

authors： Chandrashekar V,Bartke A,Wagner TE

更新日期：1992-04-01 00:00:00

abstract：:A new perfusion system of isolated rat femora was established, and the effect of PTH or calcitonin (CT) on cAMP release from the adult bone was examined. Stimulation of cAMP release from the isolated perfused bone peaked rapidly between 5 and 10 min after human PTH (hPTH)-(1-34) or eel CT injection, respectively, and ...

journal_title：Endocrinology

authors： Sugimoto T,Fukase M,Tsutsumi M,Imai Y,Hishikawa R,Yoshimoto Y,Fujita T

更新日期：1985-11-01 00:00:00

abstract：:The effects of electrical stimulation of the brain on the ovarian venous plasma concentrations of estradiol (E2) and progesterone (P) were investigated in female rats hypophysectomized and adrenalectomized at 1000 h on the day of proestrus. Stimulation was applied during the proestrous critical period under pentobarbi...

journal_title：Endocrinology

authors： Kawakami M,Kubo K,Uemura T,Nagase M,Hayashi R

更新日期：1981-07-01 00:00:00

abstract：UNLABELLED:The long-acting glucagon-like peptide-1 receptor (GLP-1R) agonists, exendin-4 and liraglutide, suppress food intake and body weight. The mediating site(s) of action for the anorectic effects produced by peripheral administration of these GLP-1R agonists are not known. Experiments addressed whether food intak...

journal_title：Endocrinology

authors： Kanoski SE,Fortin SM,Arnold M,Grill HJ,Hayes MR

更新日期：2011-08-01 00:00:00

abstract：:Analyses of FSH secretion suggest pulsatile, nonpulsatile, or compositely pulsatile and nonpulsatile release modes. This may reflect the reduced signal-to-noise ratio inherent in FSH pulse estimation procedures and/or immunological-biological assay inconsistencies. To address these issues, we sampled cavernous sinus a...

journal_title：Endocrinology

authors： Clarke I,Moore L,Veldhuis J

更新日期：2002-01-01 00:00:00

abstract：:The effects of alloxan-induced diabetes on uterine decidualization and the associated changes in uterine blood flow (UBF) and corpus luteum activity were evaluated in rats between days 4-9 of pseudopregnancy (day 0 = ovulation). Rats were made diabetic (D) with a 40 mg/kg injection (iv) of alloxan on day 1 of pseudopr...

journal_title：Endocrinology

authors： Garris DR

更新日期：1988-02-01 00:00:00

abstract：:Recent in vitro and in vivo evidence shows that secretion of parathyroid hormone (PTH) and calcitonin (CT) is stimulated by beta-adrenergic agonists and inhibited by beta-adrenergic antagonists. To assess the possible roles of adrenal medullary or adrenergic nerve terminal catecholamines in calcium homeostasis, we hav...

journal_title：Endocrinology

authors： Heath H 3rd

更新日期：1980-10-01 00:00:00

abstract：:To address controversies of estrogen therapy, in vitro models of perimenopause and prevention vs. treatment modes of 17beta-estradiol (E(2)) exposure were developed and used to assess the neuroprotective efficacy of E(2) against beta-amyloid-1-42 (Abeta(1-42))-induced neurodegeneration in rat primary hippocampal neuro...

journal_title：Endocrinology

authors： Chen S,Nilsen J,Brinton RD

更新日期：2006-11-01 00:00:00

abstract：:Leptin, a pleiotropic adipokine, is a central regulator of appetite and weight and a key immunomodulatory protein. Although inborn leptin deficiency causes weight gain, it is unclear whether induced leptin deficiency in adult wild-type animals would be orexigenic. Previous work with a potent competitive leptin antagon...

journal_title：Endocrinology

authors： Elinav E,Niv-Spector L,Katz M,Price TO,Ali M,Yacobovitz M,Solomon G,Reicher S,Lynch JL,Halpern Z,Banks WA,Gertler A

更新日期：2009-07-01 00:00:00

abstract：:Osteoclasts are bone-resorbing cells whose normal function depends in part upon their ability to migrate over the bone surface to initiate new sites of bone resorption. The growth factor/cytokine, colony-stimulating factor-1 (CSF-1), potently stimulates osteoclast motility, in a c-src-dependent fashion. The intracellu...

journal_title：Endocrinology

authors： Grey A,Chen Y,Paliwal I,Carlberg K,Insogna K

更新日期：2000-06-01 00:00:00

abstract：:Previous studies from our laboratory have demonstrated that epidermal growth factor (EGF), induces intracellular alkalinization in chicken granulosa cells by activating a sodium-dependent and amiloride-sensitive Na+/H+ antiporter. In the present investigation we have examined the possible involvement of protein kinase...

journal_title：Endocrinology

authors： Li M,Morley P,Tsang BK

更新日期：1991-12-01 00:00:00

abstract：:GH controls its own secretion through a mechanism involving short-loop feedback regulation of the synthesis and release of GH-releasing hormone (GHRH). GHRH neurons coexpress the peptide galanin, but the functional significance of this coexpression is unknown. In this study, we tested the hypotheses that 1) galanin ge...

journal_title：Endocrinology

authors： Chan YY,Grafstein-Dunn E,Delemarre-van de Waal HA,Burton KA,Clifton DK,Steiner RA

更新日期：1996-12-01 00:00:00

abstract：:In the corpus luteum, prostaglandin F2 alpha (PGF2 alpha) appears to be a physiological agent with both antisteroidogenic and luteolytic actions. It is hypothesized that the antisteroidogenic action of PGF2 alpha acts through altered transport of cholesterol to the mitochondrial cytochrome P450 side-chain cleavage enz...

journal_title：Endocrinology

authors： McLean MP,Billheimer JT,Warden KJ,Irby RB

更新日期：1995-11-01 00:00:00

abstract：:Hypothalamic-pituitary-thyroid (HPT) axis activity is important for energy homeostasis, and is modified by stress. Maternal separation (MS) alters the stress response and predisposes to metabolic disturbances in the adult. We therefore studied the effect of MS on adult HPT axis activity. Wistar male and female pups we...

journal_title：Endocrinology

authors： Jaimes-Hoy L,Gutiérrez-Mariscal M,Vargas Y,Pérez-Maldonado A,Romero F,Sánchez-Jaramillo E,Charli JL,Joseph-Bravo P

更新日期：2016-08-01 00:00:00

abstract：:Covalent adduction of a nitrosyl group to cysteines [S-nitrosylation (S-NO)] is emerging as a key route for nitric oxide (NO) to directly modulate protein functions. Here, we studied the effects of estrogens on endothelial protein S-NO and analyzed the nitrosyl-proteomes by biotin/CyDye switch technique combined with ...

journal_title：Endocrinology

authors： Zhang HH,Feng L,Livnat I,Hoh JK,Shim JY,Liao WX,Chen DB

更新日期：2010-08-01 00:00:00

abstract：:GH is the major regulator of circulating IGF-I, which, in return, controls pituitary GH secretion by negative feedback. IGF-binding protein-1 (IGFBP-1) is believed to modify this feedback through its effects on free IGF-I. In the present study we investigated the potential influence of IGFBP-1 on GH secretion in the a...

journal_title：Endocrinology

authors： Cingel-Ristic V,Van Neck JW,Frystyk J,Drop SL,Flyvbjerg A

更新日期：2004-09-01 00:00:00

abstract：:Rats were made unilaterally cryptorchid by cutting the gubernaculum testis at birth. At 100 days age, the rats were injected with 600 IU/kg hCG. A biphasic testosterone response was seen in the scrotal (Scr) testis in response to hCG, with maxima at 1 h and 3 days after injection. The acute peak of testosterone was of...

journal_title：Endocrinology

authors： Huhtaniemi I,Bergh A,Nikula H,Damber JE

更新日期：1984-08-01 00:00:00

abstract：:Although viral infection is thought to be associated with subacute thyroiditis and probably with autoimmune thyroid disease, possible changes in thyroid function during the prodromal period of infection or subclinical infection remain largely unknown. Recently, it was shown that pathogen-associated molecular patterns ...

journal_title：Endocrinology

authors： Yamazaki K,Suzuki K,Yamada E,Yamada T,Takeshita F,Matsumoto M,Mitsuhashi T,Obara T,Takano K,Sato K

更新日期：2007-07-01 00:00:00

abstract：:Serum triiodothyronine (T3) in rats did not change if food intake was restricted without altering the composition of the diet. Feeding a hypocaloric low-protein high-carbohydrate diet caused increases in serum T3, while feeding a hypocaloric high-protein low-carbohydrate diet caused decreases in serum T3. These change...

journal_title：Endocrinology

authors： Glass AR,Mellitt R,Burman KD,Wartofsky L,Swerdloff RS

更新日期：1978-06-01 00:00:00