Characteristics of insulin and epidermal growth factor stimulation of receptor autophosphorylation in detergent extracts of rat liver and transplantable rat hepatomas.

abstract：:Estrogen receptor α (ESR1; encoded by Esr1) is a crucial nuclear transcription factor for female reproduction and is expressed throughout the female reproductive tract. To assess the function of ESR1 in reproductive tissues without confounding effects from a potential developmental defect arising from global deletion ...

journal_title：Endocrinology

authors： Herrera GGB,Lierz SL,Harris EA,Donoghue LJ,Hewitt SC,Rodriguez KF,Jefferson WN,Lydon JP,DeMayo FJ,Williams CJ,Korach KS,Winuthayanon W

更新日期：2020-02-01 00:00:00

abstract：:The estrogenic and antiestrogenic actions of the geometric isomers of tamoxifen and 4-hydroxytamoxifen were determined in a PRL synthesis assay using primary cultures of dispersed immature rat pituitary gland cells. 4-Hydroxytamoxifen was 100 times more potent as an antiestrogen than tamoxifen. The cis isomer of tamox...

journal_title：Endocrinology

authors： Jordan VC,Koch R,Langan S,McCague R

更新日期：1988-04-01 00:00:00

abstract：:Transforming growth factor-beta (TGF beta) has been shown to influence the growth and differentiation of many widely varied cell types in vitro, including some that are endocrinologically active. We have investigated the previously unknown effects of this unique growth factor in the differentiated rat thyroid follicul...

journal_title：Endocrinology

authors： Morris JC 3rd,Ranganathan G,Hay ID,Nelson RE,Jiang NS

更新日期：1988-09-01 00:00:00

abstract：:Studies were performed to determine whether the postovulatory secretion of FSH in the rabbit is an LHRH-mediated event. Does were mated and then injected at 12 and 18 h postcoitum with pentobarbital (30 mg/kg BW), an agent known to block endogenous LHRH release. The injection of this barbiturate had no measurable effe...

journal_title：Endocrinology

authors： Mills TM,Copland JA,Coy DH,Schally AV

更新日期：1983-09-01 00:00:00

abstract：:Osteoclast precursors reach sites of osteoclast formation and remodelling via the vasculature and are therefore destined to encounter endothelium before migrating to the bone surface. Here we investigated the hypothesis that endothelium may be involved in the regulation of osteoclast precursor recruitment to sites of ...

journal_title：Endocrinology

authors： McGowan NW,Walker EJ,Macpherson H,Ralston SH,Helfrich MH

更新日期：2001-04-01 00:00:00

abstract：:Addition of somatostatin-14 (SRIF) inhibits corticotropin releasing factor (CRF) and forskolin-stimulated cyclic AMP formation and ACTH release from tumor cells of the mouse anterior pituitary (AtT-20/D16-16). After long-term pretreatment of these cells with SRIF, the ability of SRIF to inhibit CRF and forskolin-stimu...

journal_title：Endocrinology

authors： Reisine T,Axelrod J

更新日期：1983-08-01 00:00:00

abstract：:The uptake of [125I]triiodothyroacetic acid ([125I]Triac) in anterior pituitary cells was investigated and compared with that of [125I]T3. Furthermore, the effects of Triac, T3, and T4 on TSH release were compared. Cells isolated from adult male Wistar rats were cultured for 3 days in medium with 10% fetal calf serum....

journal_title：Endocrinology

authors： Everts ME,Visser TJ,Moerings EP,Docter R,van Toor H,Tempelaars AM,de Jong M,Krenning EP,Hennemann G

更新日期：1994-12-01 00:00:00

abstract：:Recently, we demonstrated that estradiol (E(2)) modulates cross-talk between protein tyrosine kinases and norepinephrine (NE) receptor signaling in the hypothalamus (HYP) and preoptic area (POA), brain areas that govern female reproductive function. We are now investigating the identity of protein tyrosine kinase(s) t...

journal_title：Endocrinology

authors： Quesada A,Etgen AM

更新日期：2001-02-01 00:00:00

abstract：:Adrenal cAMP and plasma corticosterone levels were determined in pre-weanling rats subjected to treatment with either ACTH (50 mU/rat) or histamine dihydrochloride (0.2 mg/g body wt). ACTH injection elevated both serum corticosterone and adrenal cAMP levels on all days tested. However, the ACTH-induced elevation of ad...

journal_title：Endocrinology

authors： Cote TE,Yasumura S

更新日期：1975-04-01 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：:Earlier studies have shown that lactation-induced bone loss in the rat is both PTH- and vitamin D-independent and have suggested the involvement of another, as yet unidentified, factor(s) in the altered calcium metabolism which accompanies lactation. In the present study, we investigated the possibility that PTH-relat...

journal_title：Endocrinology

authors： Yamamoto M,Duong LT,Fisher JE,Thiede MA,Caulfield MP,Rosenblatt M

更新日期：1991-11-01 00:00:00

abstract：:Recent work has implicated stimulatory kisspeptin neurons in the arcuate nucleus (ARC) as important for seasonal changes in reproductive function in sheep, but earlier studies support a role for inhibitory A15 dopaminergic (DA) neurons in the suppression of GnRH (and LH) pulse frequency in the nonbreeding (anestrous) ...

journal_title：Endocrinology

authors： Goodman RL,Maltby MJ,Millar RP,Hileman SM,Nestor CC,Whited B,Tseng AS,Coolen LM,Lehman MN

更新日期：2012-12-01 00:00:00

abstract：:Bovine granulosa cells seeded in the presence of serum on extracellular matrix-coated dishes proliferate actively when exposed to serum-free medium supplemented with insulin (2 microgram/ml), fibroblast growth factor (FGF, 100 ng/ml), and high density lipoprotein (HDL, 30 microgram protein/ml). The final density of th...

journal_title：Endocrinology

authors： Savion N,Lui GM,Laherty R,Gospodarowicz D

更新日期：1981-08-01 00:00:00

abstract：:Clinically, approximately 30% of women who receive synthetic glucocorticoids (sGC) for risk of preterm labor carry to term. In vitro studies have shown that sGC acutely regulate the placental system A amino acid transporter, but there are no comparable data in vivo. Hence, the objective of our study was to examine the...

journal_title：Endocrinology

authors： Audette MC,Challis JR,Jones RL,Sibley CP,Matthews SG

更新日期：2011-09-01 00:00:00

abstract：:Estrogens are essential hormones for the regulation of fertility. Cellular responses to estrogens are mediated by estrogen receptor α (ESR1) and estrogen receptor β (ESR2). In mouse and rat models, disruption of Esr1 causes infertility in both males and females. However, the role of ESR2 in reproductive function remai...

journal_title：Endocrinology

authors： Rumi MAK,Singh P,Roby KF,Zhao X,Iqbal K,Ratri A,Lei T,Cui W,Borosha S,Dhakal P,Kubota K,Chakraborty D,Vivian JL,Wolfe MW,Soares MJ

更新日期：2017-07-01 00:00:00

abstract：:Periodontitis, an inflammatory disease of periodontal tissues, is characterized by excessive alveolar bone resorption. An increase in the receptor activator of nuclear factor-κB ligand (RANKL) to osteoprotegerin (OPG) ratio is thought to reflect the severity of periodontitis. Here, we examined alveolar bone loss in OP...

journal_title：Endocrinology

authors： Koide M,Kobayashi Y,Ninomiya T,Nakamura M,Yasuda H,Arai Y,Okahashi N,Yoshinari N,Takahashi N,Udagawa N

更新日期：2013-02-01 00:00:00

abstract：:Ovarian surface epithelium (OSE) is the most conceivable cell origin of epithelial ovarian carcinomas. Unlike many other epithelial tumors, the precancerous lesion acquires expression of epithelial markers, e.g. E-cadherin and claudins, suggesting that OSE cells undergo mesenchymal to epithelial transition (MET) durin...

journal_title：Endocrinology

authors： Zhu Y,Nilsson M,Sundfeldt K

更新日期：2010-11-01 00:00:00

abstract：:Insulin-like growth factor (IGF)-binding protein-3 (IGFBP-3), the predominant IGF carrier protein in circulation, is posttranslationally modified in vivo by IGFBP-3 protease(s) into a number of fragments. Based on the ascertained and predicted recognition sites for known IGFBP-3 proteases, FLAG-epitope tagged intact I...

journal_title：Endocrinology

authors： Devi GR,Yang DH,Rosenfeld RG,Oh Y

更新日期：2000-11-01 00:00:00

abstract：:Nonesterified fatty acids (NEFAs) have been recently shown in the rat to be involved in steroid hormone expression, having effects on plasma transport and intracellular activity. This study examines the influence of saturated and unsaturated NEFAs on estradiol (E2) binding to cytosol from human uterus, breast, and mel...

journal_title：Endocrinology

authors： Benassayag C,Vallette G,Hassid J,Raymond JP,Nunez EA

更新日期：1986-01-01 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：:The insulin-like growth factor-II (IGF-II)/Mannose 6-P receptor (Man 6-P) is a multifunctional receptor that binds two unrelated ligands, IGF-II and lysosomal enzymes that contain Man 6-P recognition markers. Although this receptor has been extensively characterized in mammalian cells, binding of radiolabeled IGF-II t...

journal_title：Endocrinology

authors： Yang YW,Robbins AR,Nissley SP,Rechler MM

更新日期：1991-02-01 00:00:00

abstract：:To determine the presence of a PRL-binding protein (PRL-BP) in rat serum, female rats were ovariectomized and administered sc estradiol benzoate capsules. Serum was incubated with [125I]rat PRL (rPRL) for 1 h at 37 C with or without different doses of rPRL, ovine PRL (oPRL), or rGH. Separation of the [125I]rPRL-PRL-BP...

journal_title：Endocrinology

authors： Cohen H,Guillaumot P,Sabbagh I

更新日期：1993-06-01 00:00:00

abstract：:To probe the possible role of endogenous opiates in Sertoli cell proliferation during testicular development, the effect of interfering with beta-endorphin action either in vivo or in vitro was determined. The percent of Sertoli cells dividing was measured with quantitative autoradiography in [methyl 3H]-thymidine-exp...

journal_title：Endocrinology

authors： Orth JM

更新日期：1986-10-01 00:00:00

abstract：:In several mammalian species, luteinizing hormone-releasing hormone (LHRH) neurons have been shown to migrate from nasal regions to the brain during early development. Using immunocytochemistry, we have identified LHRH containing neurons in developing chick embryos. In embryonic day 4 (E4) and E5 animals, a small grou...

journal_title：Endocrinology

authors： Norgren RB Jr,Lehman MN

更新日期：1991-03-01 00:00:00

abstract：:Parathyroid tissue from patients with hyperparathyroidism (HPT) exhibited reduced immunohistochemical reactivity with monoclonal antiparathyroid antibodies, previously shown to stain intensely the surface of normal human parathyroid cells and to interfere with a receptor mechanism of these cells which is involved in t...

journal_title：Endocrinology

authors： Juhlin C,Klareskog L,Nygren P,Ljunghall S,Gylfe E,Rastad J,Akerström G

更新日期：1988-06-01 00:00:00

abstract：:Maintenance of FSH biosynthesis requires ongoing exposure to pulsatile GnRH. Recent data demonstrate that activin also stimulates FSH biosynthesis. We used a perifused pituitary system to examine regulation of FSH beta mRNA levels by pulsatile GnRH and activin. Hourly pulses of 10 nM GnRH increased FSH beta mRNA level...

journal_title：Endocrinology

authors： Weiss J,Harris PE,Halvorson LM,Crowley WF Jr,Jameson JL

更新日期：1992-09-01 00:00:00

abstract：:Up-regulation of maternal islet function is essential to accommodate the increased demand for insulin during pregnancy. Previously, we suggested that lactogenic activity regulates islet function during pregnancy. However, this hypothesis was based on the effect of homologous PRLs on islets, since the homologous placen...

journal_title：Endocrinology

authors： Brelje TC,Scharp DW,Lacy PE,Ogren L,Talamantes F,Robertson M,Friesen HG,Sorenson RL

更新日期：1993-02-01 00:00:00

abstract：:Prolonged fasting is associated with a number of changes in the thyroid axis manifested by low serum T3 and T4 levels and, paradoxically, low or normal TSH. This response is, at least partly, caused by suppression of proTRH gene expression in neurons of the hypothalamic paraventricular nucleus (PVN) and reduced hypoth...

journal_title：Endocrinology

authors： Légrádi G,Emerson CH,Ahima RS,Flier JS,Lechan RM

更新日期：1997-06-01 00:00:00

abstract：:The previously reported synchronous oscillations in plasma glucose and insulin levels have been further studied to determine whether the phenomenon can be attributed to cyclic secretion or degradation of the hormone. Plasma C-peptide concentrations were measured and found to cycle with the same period as plasma insuli...

journal_title：Endocrinology

authors： Koerker DJ,Goodner CJ,Hansen BW,Brown AC,Rubenstein AH

更新日期：1978-05-01 00:00:00

abstract：:Although renal hypertrophy occurs rapidly after uninephrectomy, restoring the majority of renal excretory function, it remains unknown whether similar compensatory mechanisms maintain 1,25-dihydroxyvitamin D production (and calcium homeostasis). To address this issue we compared plasma calcitriol levels and renal 25-h...

journal_title：Endocrinology

authors： Almond JR,Bales CW,Lobaugh B,Klotman PE,Drezner MK

更新日期：1989-05-01 00:00:00