Cell-specific activation of the human skeletal alpha-actin by androgens.

abstract：:We examined the effects of bombesin on rat pancreatic digestive enzyme gene expression using cloned complementary DNA probes for amylase, trypsinogen I, chymotrypsinogen B, and lysophospholipase. Rats were injected sc three times daily with 5 nmol/kg body wt bombesin. Pancreata were investigated after 6, 12, 24, 48, a...

journal_title：Endocrinology

authors： Rosewicz S,Liehr RM,Solomon TE,Riecken EO,Logsdon CD

更新日期：1992-03-01 00:00:00

abstract：:This study was designed to test the hypothesis that systemic immune challenge with endotoxin inhibits the reproductive axis centrally by suppressing GnRH pulsatile release into hypophyseal portal blood. Using alert, normally behaving, ovariectomized ewes, we sampled hypophyseal portal blood at 10-min intervals beginni...

journal_title：Endocrinology

authors： Battaglia DF,Bowen JM,Krasa HB,Thrun LA,Viguié C,Karsch FJ

更新日期：1997-10-01 00:00:00

abstract：:In this study, we investigated the transcriptional regulation of the adrenergic induction of type II iodothyronine deiodinase (Dio2) in rat pinealocytes. Treatment of pinealocytes with norepinephrine (NE) caused an increase in the mRNA level of Dio2 that peaked around 2 h and declined over the next 5 h. Both beta- and...

journal_title：Endocrinology

authors： Chik CL,Wloka MT,Price DM,Ho AK

更新日期：2007-07-01 00:00:00

abstract：:We have tested the hypothesis that basic fibroblast growth factor (bFGF) and transforming growth factor beta (TGF beta) regulate the proliferation of osteoblast-like cells. Cells which migrated from central bone explants of fetal calf calvaria expressed markers characteristic of the osteoblast phenotype, including ost...

journal_title：Endocrinology

authors： Globus RK,Patterson-Buckendahl P,Gospodarowicz D

更新日期：1988-07-01 00:00:00

abstract：:The relationship between serum levels of rat GH (rGH), rat PRL (rPRL), corticosterone, estrogen, and testosterone and the liver-binding sites specific to [125I]iodo-human GH (hGH), -human PRL (hPRL), and -rPRL were investigated in normal rats, in rats bearing the GH- and PRL-secreting tumor (GH3), and in rats 14 days ...

journal_title：Endocrinology

authors： Furuhashi N,Fang VS

更新日期：1978-12-01 00:00:00

abstract：:This study was undertaken to examine short photoperiod (SD; 8 h of light, 16 h of darkness)-induced alterations in reproductive endocrine and neuroendocrine parameters in the male white-footed mouse, Peromyscus leucopus. Exposure to SD for 8 weeks caused dramatic reductions in testis and seminal vesicle weights, decre...

journal_title：Endocrinology

authors： Glass JD,Ferreira S,Deaver DR

更新日期：1988-08-01 00:00:00

abstract：:Genetically obese Zucker rats, like obese humans, have normal or elevated circulating insulin-like growth factor-I (IGF-I) levels in the presence of low GH secretion. Hyperinsulinemia, increased energy status, or other nutritional factors associated with obesity could be responsible for these findings directly by incr...

journal_title：Endocrinology

authors： Melián E,Velasco B,Barrios R,Sanchez-Franco F

更新日期：1997-03-01 00:00:00

abstract：:In addition to mineralocorticoid and glucocorticoid receptors, the kidney contains a third high affinity binding site for endogenous glucocorticoids, the type III receptor. These binding sites have been localized to the collecting duct, but their biological function has not yet been identified. We have used immunodiss...

journal_title：Endocrinology

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

更新日期：1994-04-01 00:00:00

abstract：:It is assumed that after complete bilateral adrenalectomy (ADX), no adrenal tissue will redevelop and adrenal hormone levels will remain low and unaffected by stress. However, anecdotal observations in animals and in patients suggest that under some unknown circumstances the opposite can occur. Herein, we studied whet...

journal_title：Endocrinology

authors： Gotlieb N,Albaz E,Shaashua L,Sorski L,Matzner P,Rosenne E,Amram B,Benbenishty A,Golomb E,Ben-Eliyahu S

更新日期：2018-01-01 00:00:00

abstract：:We have analyzed the factors responsible for the circadian variation in rat hepatic mRNA-S14. Regulation of this sequence, which is found in lipogenic tissues and encodes a protein (S14) believed to be associated with fatty acid synthesis, is an excellent model of the interaction of thyroid hormone and dietary factors...

journal_title：Endocrinology

authors： Kinlaw WB,Fish LH,Schwartz HL,Oppenheimer JH

更新日期：1987-04-01 00:00:00

abstract：:Vitellogenin (Vg) is a major yolk protein precursor in numerous oviparous animals. Numerous studies in bilateral oviparous animals have shown that Vg sequences are conserved across taxa and that Vgs are synthesized by somatic-cell lineages, transported to and accumulated in oocytes, and eventually used for supporting ...

journal_title：Endocrinology

authors： Shikina S,Chen CJ,Chung YJ,Shao ZF,Liou JY,Tseng HP,Lee YH,Chang CF

更新日期：2013-09-01 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：:A recent report suggests that estrogen induction of hypothalamic progestin receptors is not a prerequisite for the facilitation by progesterone of female sexual behavior in rats. Progesterone was found to facilitate sexual behavior despite no apparent induction of progestin receptors by 1-(o-chlorophenyl) 1-(p-chlorop...

journal_title：Endocrinology

authors： Brown TJ,Blaustein JD

更新日期：1984-12-01 00:00:00

abstract：:Ovarian cancer in women is a complex and deadly disease, where the molecular events that initiate and control tumor formation remain poorly defined. Therefore, mouse models provide one approach for determining the mechanisms by which specific oncogenic factors cause ovarian surface epithelial cell and granulosa cell t...

journal_title：Endocrinology

authors： Mullany LK,Richards JS

更新日期：2012-04-01 00:00:00

abstract：:The possibility of direct pituitary effects of sex steroids on gonadotropin gene expression and synthesis was studied in male rats. The animals were treated with a potent GnRH antagonist, Ac-D-pClPhe-D-pClPhe-D-Trp-Ser-Tyr-D-Arg-Leu-Arg-Pro-D-Ala-+ ++NH2CH3COOH (Org 30276; 0.5 mg/kg BW, sc, twice daily) for 10 days. G...

journal_title：Endocrinology

authors： Perheentupa A,Huhtaniemi I

更新日期：1990-06-01 00:00:00

abstract：:The occupancy of atrial natriuretic peptide (ANP) receptors of the ANPA type in human neuroblastoma NB-OK-1 cells elevates cGMP. In this study, ANP concentrations of 10 nM or more increased total K+ uptake. Data obtained in the presence of bumetanide and/or ouabain demonstrated that 1 microM ANP induced a primary stim...

journal_title：Endocrinology

authors： Delporte C,Winand J,Poloczek P,Christophe J

更新日期：1993-07-01 00:00:00

abstract：:This report describes properties of highly purified cathepsin-B and an additional cysteine proteinase, designated cysteine proteinase I, obtained from human thyroids. Both enzymes are localized to lysosomes. The activity profile of cysteine proteinase I combined with its sensitivity to the active site inhibitor Z-Phe-...

journal_title：Endocrinology

authors： Dunn AD,Dunn JT

更新日期：1988-08-01 00:00:00

abstract：:Serum LH and FSH were measured at 60, 30, and 0 min before, at 5, 15, and 30 min during, and at 10, 45, and 90 min after bilateral electrical stimulation (ES) of various hypothalamic regions in 12 unanesthetized ovariectomized rhesus monkeys. ES of the arcuate-ventromedial nuclei (medial basal hypothalamus; MBH) induc...

journal_title：Endocrinology

authors： Spies HG,Norman RL,Quadri SK,Clifton DK

更新日期：1977-02-01 00:00:00

abstract：:Interleukin-1 (IL-1) greatly induces osteoclast formation and stimulates bone resorption of mouse calvaria in culture. In the presence of soluble IL-6 receptor (sIL-6R), IL-6 similarly induces osteoclast formation, but the potency of IL-6 in inducing bone resorption in organ culture is weaker than that of IL-1. To stu...

journal_title：Endocrinology

authors： Kusano K,Miyaura C,Inada M,Tamura T,Ito A,Nagase H,Kamoi K,Suda T

更新日期：1998-03-01 00:00:00

abstract：:The hippocampus is essentially involved in learning and memory processes. Its functions are affected by various neuromodulators, including 17beta-estradiol, testosterone, and retinoid. Brain-synthesized steroid hormones act as autocrine and paracrine modulators. The regulatory mechanism underlying brain steroidogenesi...

journal_title：Endocrinology

authors： Munetsuna E,Hojo Y,Hattori M,Ishii H,Kawato S,Ishida A,Kominami SA,Yamazaki T

更新日期：2009-09-01 00:00:00

abstract：:PTHrP is produced in vessels and acts as a local modulator of tone. We recently reported that PTHrP(1-34) is able to induce vasorelaxation in rat uterine arteries, but in pregnancy, this response is blunted and becomes strictly endothelium dependent. The present study aimed to get insights into the mechanisms involved...

journal_title：Endocrinology

authors： Meziani F,Tesse A,Welsch S,Kremer H,Barthelmebs M,Andriantsitohaina R,Schneider F,Gairard A

更新日期：2008-02-01 00:00:00

abstract：:The possible role of the pentose phosphate shunt in thyroid hormone secretion was investigated in vivo and in vitro with mouse thyroid glands. Thyroidal endocytosis in response to TSH, a step of thyroid hormone secretion, was evaluated for its dependency upon the pentose phosphate shunt by using 6-aminonicotinamide (6...

journal_title：Endocrinology

authors： Hashizume K,Onaya T,Sato A

更新日期：1975-10-01 00:00:00

abstract：:The experimental induction of puberty by GnRH administration to prepubertal lambs increases serum bioactive FSH (B-FSH) as measured in the rat Sertoli cell aromatase induction bioassay. Serum immunoreactive FSH (I-FSH) levels are unchanged. The increase in serum B-FSH is associated with an increase in the proportion o...

journal_title：Endocrinology

authors： Hassing JM,Kletter GB,I'Anson H,Wood RI,Beitins IZ,Foster DL,Padmanabhan V

更新日期：1993-04-01 00:00:00

abstract：:The present work extends our previous report that the intracerebroventricular (i.c.v.) injection of interleukin-1beta(IL-1beta, 80 ng) significantly blunted the testosterone response to 1 U/kg human CG (hCG), an effect that we attributed to the stimulation of inhibitory pathways connecting the hypothalamus to the test...

journal_title：Endocrinology

authors： Ogilvie K,Rivier C

更新日期：1998-07-01 00:00:00

abstract：:Platelet-derived growth factor (PDGF), an agent with important mitogenic effects for bone cells, exists in three isoforms, PDGF-AA, -BB, and -AB. PDGF-AB and -BB are the prevalent circulating isoforms, whereas normal unstimulated cells of the osteoblast lineage synthesize primarily PDGF-AA. We examined the effects of ...

journal_title：Endocrinology

authors： Rydziel S,Shaikh S,Canalis E

更新日期：1994-06-01 00:00:00

abstract：:We have previously documented that raloxifene enhances the mechanical properties of dog vertebrae independent of changes in bone mass, suggesting a positive effect of raloxifene on material-level mechanical properties. The goal of this study was to determine the separate effects of raloxifene on the material-level mec...

journal_title：Endocrinology

authors： Allen MR,Hogan HA,Hobbs WA,Koivuniemi AS,Koivuniemi MC,Burr DB

更新日期：2007-08-01 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：:Hypothalamic neuropeptide Y (NPY) and proopiomelanocortin (POMC) neurons act to sense and coordinate the brain's responses to metabolic cues. One neuronal network that is very sensitive to metabolic status is that controlling fertility. In this study, we investigated the impact of neuropeptides released by NPY and POM...

journal_title：Endocrinology

authors： Roa J,Herbison AE

更新日期：2012-11-01 00:00:00

abstract：:The conversion of T4 to T3 in the brain and anterior pituitary gland contributes significantly to the T3 content of these tissues and appears to be an important modulator of thyroid hormone action. In the present study, the antimanic agent lithium was demonstrated in cultured neural and pituitary tissue to have a sign...

journal_title：Endocrinology

authors： St Germain DL

更新日期：1987-04-01 00:00:00

abstract：:The TSH receptor (TSHR) hinge region, the least well understood component, bridges the leucine-rich repeat and transmembrane domains. We report data on clusters of hinge charged residues the mutation of which to Ala is compatible with cell surface expression and normal, or near normal, TSH binding affinity yet with a ...

journal_title：Endocrinology

authors： Chen CR,Salazar LM,McLachlan SM,Rapoport B

更新日期：2012-10-01 00:00:00