Effect of methysergide, a blocker of serotonin receptors, on plasma prolactin levels in lactating and ovariectomized rats.

abstract：:Studies in mice have identified the ob gene product, leptin, as a signaling factor regulating body weight homeostasis and energy balance. Defective production of the encoded protein may be one of the causes for the development of obesity. Using a high affinity antibody, that in immunohistochemical studies specifically...

journal_title：Endocrinology

authors： McGregor GP,Desaga JF,Ehlenz K,Fischer A,Heese F,Hegele A,Lammer C,Peiser C,Lang RE

更新日期：1996-04-01 00:00:00

abstract：:The effect of amino acid substitutions introduced to the third alpha-helix in bovine GH (bGH) was investigated. A GH analog (bGH-M8), in which three amino acids were substituted to form an idealized amphiphilic alpha-helix, possessed the same specific binding affinity as wild-type bGH to cell membranes prepared from 3...

journal_title：Endocrinology

authors： Okada S,Chen WY,Wiehl P,Kelder B,Goodman HM,Guller S,Sonenberg M,Kopchick JJ

更新日期：1992-04-01 00:00:00

abstract：:The health impacts of endocrine-disrupting chemicals (EDCs) remain debated, and their tissue and molecular targets are poorly understood. In this study, we leveraged systems biology approaches to assess the target tissues, molecular pathways, and gene regulatory networks associated with prenatal exposure to the model ...

journal_title：Endocrinology

authors： Shu L,Meng Q,Diamante G,Tsai B,Chen YW,Mikhail A,Luk H,Ritz B,Allard P,Yang X

更新日期：2019-02-01 00:00:00

abstract：:The utility of the established ACTH secreting mouse pituitary tumor cell line AtT20 for investigating early glucocorticoid inhibition was examined. Three different strains of the cell line D1, D16v, and D16:16, respectively, were analyzed. In initial studies CRF and phorbol esters were used as secretagogues to examine...

journal_title：Endocrinology

authors： Woods MD,Shipston MJ,Mullens EL,Antoni FA

更新日期：1992-12-01 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：:Hypertrophic cardiomyopathy (HCM) is more severe in male than female mice eating a soy-based diet. We sought to determine whether the detrimental effects are mediated by the phytoestrogens present in soy, the mechanism by which phytoestrogens act, and to test whether estrogen modulates the sexually dimorphic phenotype...

journal_title：Endocrinology

authors： Haines CD,Harvey PA,Luczak ED,Barthel KK,Konhilas JP,Watson PA,Stauffer BL,Leinwand LA

更新日期：2012-09-01 00:00:00

abstract：:To test the role of gene expression of the classical ER (ER alpha) in the inhibitory effects of E on food intake and body weight, we ovariectomized and administered E2 benzoate (75 pg/d) or vehicle to wild-type (WT) mice and mice with a null mutation of ER alpha (alpha ERKO). Mice were ovariectomized at age 9 wk, at w...

journal_title：Endocrinology

authors： Geary N,Asarian L,Korach KS,Pfaff DW,Ogawa S

更新日期：2001-11-01 00:00:00

abstract：:The product of the ob/ob gene, leptin, is known to be able to exert a modulator, role on HPA axis function. The aim of the present study was to determine whether endogenous ACTH and glucocorticoids exert any regulatory effect on leptin secretion. For this purpose bilaterally adrenalectomized (ADX) or sham operated (Sh...

journal_title：Endocrinology

authors： Spinedi E,Gaillard RC

更新日期：1998-09-01 00:00:00

abstract：:The effects of FSH, hCG, and PRL on the activity of 20 alpha-hydroxysteroid dehydrogenase (20 alpha-SDH) of separate ovarian components of hypophysectomized, diethylstilbestrol-treated rats were studied. Enzyme activity was found to reside mainly in granulosa cells. FSH induced an increase in enzyme activity. A prepar...

journal_title：Endocrinology

authors： Eckstein B,Nimrod A

更新日期：1979-03-01 00:00:00

abstract：:Homeostatic control of endocrine systems proceeds via feedforward (agonistic, stimulatory) and feedback (antagonistic, inhibitory) interactions mediated via implicit dose-response functions. However, neither the feedback/feedforward pathways nor the dose-response interfaces are directly observed in vivo. Thus, the goa...

journal_title：Endocrinology

authors： Keenan DM,Clarke IJ,Veldhuis JD

更新日期：2011-12-01 00:00:00

abstract：:Specific retinoid X receptor (RXR) agonists, such as LG100268 (LG268), and the thiazolidinedione (TZD) PPARgamma agonists, such as rosiglitazone, produce insulin sensitization in rodent models of insulin resistance and type 2 diabetes. In sharp contrast to the TZDs that produce significant increases in body weight gai...

journal_title：Endocrinology

authors： Leibowitz MD,Ardecky RJ,Boehm MF,Broderick CL,Carfagna MA,Crombie DL,D'Arrigo J,Etgen GJ,Faul MM,Grese TA,Havel H,Hein NI,Heyman RA,Jolley D,Klausing K,Liu S,Mais DE,Mapes CM,Marschke KB,Michellys PY,Montrose-Rafi

更新日期：2006-02-01 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：:There is now general agreement that neurokinin B (NKB) acts via neurokinin-3-receptor (NK3R) to stimulate secretion of GnRH and LH in several species, including rats, mice, sheep, and humans. However, the roles of two other tachykinins, substance P (SP) and neurokinin A, which act primarily via NK1R and NK2R, respecti...

journal_title：Endocrinology

authors： Fergani C,Mazzella L,Coolen LM,McCosh RB,Hardy SL,Newcomb N,Grachev P,Lehman MN,Goodman RL

更新日期：2016-12-01 00:00:00

abstract：:Rat reticulocytes contain a cytosol activator protein (RCAP) that augments hormone-sensitive adenylate cyclase activity in the rat reticulocyte and other systems. In a previous publication, using a highly purified preparation of RCAP, we reported that the stimulatory guanine nucleotide-binding protein (Ns) was require...

journal_title：Endocrinology

authors： Shane E,Yeh M,Feigin AS,Owens JM,Bilezikian JP

更新日期：1985-07-01 00:00:00

abstract：:In adult male rhesus monkeys, 1 day of fasting leads to a profound suppression of LH secretion that is rapidly reversed with refeeding. To test the hypothesis that changes in insulin secretion during fasting and refeeding mediate the changes in LH secretion, blood samples for LH measurement were obtained between 0900-...

journal_title：Endocrinology

authors： Williams NI,Lancas MJ,Cameron JL

更新日期：1996-06-01 00:00:00

abstract：:Induction of cyclin proteins is required for progression of cells through the G(1)-S and G(2)-M cell cycle checkpoints and is a primary mechanism by which mitogens regulate cell cycle progression. IGF-I and the epidermal growth factor (EGF)-related ligands are mitogens for mammary epithelial cells in vitro and are ess...

journal_title：Endocrinology

authors： Stull MA,Richert MM,Loladze AV,Wood TL

更新日期：2002-05-01 00:00:00

abstract：:The pregnancy hormone relaxin has recently been shown to be cardio-protective. Despite its well-established antifibrotic actions in the heart, the effects of relaxin on cardiomyocytes (CM) remain to be determined. We investigated effects of isoform 2 of the human relaxin (H2-relaxin) on CM hypertrophy and apoptosis. I...

journal_title：Endocrinology

authors： Moore XL,Tan SL,Lo CY,Fang L,Su YD,Gao XM,Woodcock EA,Summers RJ,Tregear GW,Bathgate RA,Du XJ

更新日期：2007-04-01 00:00:00

abstract：:Cross talks between the vascular and immune system play a critical role in vascular diseases, in particular in atherosclerosis. The osteoclast-associated receptor (OSCAR) is a regulator of osteoclast differentiation and dendritic cell maturation. Whether OSCAR plays a role in vascular biology and has an impact on athe...

journal_title：Endocrinology

authors： Goettsch C,Rauner M,Sinningen K,Helas S,Al-Fakhri N,Nemeth K,Hamann C,Kopprasch S,Aikawa E,Bornstein SR,Schoppet M,Hofbauer LC

更新日期：2011-12-01 00:00:00

abstract：:3-Iodothyronamine (T(1)AM) is an endogenous thyroid hormone derivative with unknown biosynthetic origins. Structural similarities have led to the hypothesis that T(1)AM is an extrathyroidal metabolite of T(4). This study uses an isotope-labeled T(4) [heavy-T(4) (H-T(4))] that can be distinguished from endogenous T(4) ...

journal_title：Endocrinology

authors： Hackenmueller SA,Marchini M,Saba A,Zucchi R,Scanlan TS

更新日期：2012-11-01 00:00:00

abstract：:Estrogen is generally considered to maintain bone mass through suppression of bone resorption. We have previously demonstrated that administration of pharmacological doses of estrogen increases bone formation in rats. Because such high doses of estrogen might induce bone formation through some mechanism other than the...

journal_title：Endocrinology

authors： Chow JW,Lean JM,Chambers TJ

更新日期：1992-05-01 00:00:00

abstract：:Melatonin was shown to occur in rat plasma and urine after pinealectomy by bioassay, radioimmunoassay, and thin-layer chromatography. Total daily excretion of melatonin in pinealectomized rats was about 20% of control. Light-dark rhythms of plasma melatonin levels and urinary excretion rates disappeared after pinealec...

journal_title：Endocrinology

authors： Ozaki Y,Lynch HJ

更新日期：1976-08-01 00:00:00

abstract：:This study was designed to investigate the role of dopaminergic mechanisms in the control of aldosterone secretion. Six rhesus monkeys received metoclopramide (1.25 mg, iv), with 5% dextrose (vehicle) or with dopamine (4 micrograms/kg . min) infusions begun 60 min before the administration of the dopamine antagonists....

journal_title：Endocrinology

authors： Sowers JR,Berg G,Martin VS,Mayes DM

更新日期：1982-04-01 00:00:00

abstract：:To define further the mechanism by which metoclopramide, a dopamine antagonist, stimulates aldosterone secretion, seven lambs were injected iv with metoclopramide during a constant infusion of 5% dextrose in water and again during a constant infusion of trimethapan, a ganglionic blocker. In addition, suspensions of ad...

journal_title：Endocrinology

authors： Wilson TA,Kaiser DL,Peach MJ,Wright EM,Carey RM

更新日期：1983-09-01 00:00:00

abstract：:IGF binding protein (IGFBP)-3 is an important regulator of mammary epithelial cell (MEC) growth and can enhance the ability of both IGF-I and epidermal growth factor ligands such as TGFalpha to stimulate MEC proliferation. Here we investigate the role of the phosphatidylinositol-3 kinase (PI3K) and MAPK pathways in th...

journal_title：Endocrinology

authors： Sivaprasad U,Fleming J,Verma PS,Hogan KA,Desury G,Cohick WS

更新日期：2004-09-01 00:00:00

abstract：:The intermediate filament protein nestin was originally found to be expressed in neuronal progenitor cells, but recent studies have shown that other cell types, including endocrine and vascular endothelial cells, express nestin. In the present study, we examined the expression and localization of nestin in the ovaries...

journal_title：Endocrinology

authors： Takahashi N,Itoh MT,Ishizuka B

更新日期：2008-01-01 00:00:00

abstract：:Although it is well known that chronic treatment with glucocorticoids inhibits somatic growth, the mechanism of action of this inhibitory effect is not completely understood. It is likely that glucocorticoids act at various levels, including pituitary, hypothalamus, and peripheral organs modulating GH synthesis, secre...

journal_title：Endocrinology

authors： Señarís RM,Lago F,Coya R,Pineda J,Diéguez C

更新日期：1996-12-01 00:00:00

abstract：:The expression of genes encoding key hepatic gluconeogenic enzymes, including phosphoenolpyruvate carboxykinase (PEPCK) and glucose-6-phosphatase (G6Pase), is regulated at the transcriptional level by a network of transcription factors and cofactors, including cAMP response element-binding protein (CREB). It has been ...

journal_title：Endocrinology

authors： Seo HY,Kim MK,Min AK,Kim HS,Ryu SY,Kim NK,Lee KM,Kim HJ,Choi HS,Lee KU,Park KG,Lee IK

更新日期：2010-02-01 00:00:00

abstract：:The neuroendocrine hormones ACTH and corticotropin- releasing factor (CRF), which are involved in the stress response, have acute effects on arterial pressure. New evidence indicates that urocortin (UCN), the putative agonist for the CRF type 2 receptor, has selective cardiovascular actions. The responses to long-term...

journal_title：Endocrinology

authors： Weisinger RS,Blair-West JR,Burns P,Denton DA,Purcell B,Vale W,Rivier J,Weisinger HS,May CN

更新日期：2004-12-01 00:00:00

abstract：:Although it is evident that androgens increase muscle mass and strength, little is known about the critical molecular targets of androgens in skeletal muscle. In rodents, the skeletal alpha-actin gene is a tissue-specific gene expressed only in the levator ani and other skeletal muscles but not in the prostate or prep...

journal_title：Endocrinology

authors： Hong MH,Sun H,Jin CH,Chapman M,Hu J,Chang W,Burnett K,Rosen J,Negro-Vilar A,Miner JN

更新日期：2008-03-01 00:00:00

abstract：:To examine developmental changes in the LH response to estrogen, eight neonatally ovariectomized monkeys received repeated injections (sc) of 50 micrograms/kg estradiol benzoate (EB) at approximately 4-month intervals starting at age 8-12 months and ending at 49-52 months. Serum samples were obtained 24 before and 0, ...

journal_title：Endocrinology

authors： Terasawa E

更新日期：1985-12-01 00:00:00