Inhibition of prolactin (PRL)-induced proliferative signals in breast cancer cells by a molecular mimic of phosphorylated PRL, S179D-PRL.

abstract：:[14C]-3-O-Methyl-D-glucose transport in response to GH stimulation was measured in freshly prepared and cultured hepatocytes from hypophysectomized (hypox) adult female rats. Sugar transport in freshly isolated hepatocytes from hypox animals was stimulated by 10(-9) M human GH (hGH) and 10(-9) M rat GH (rGH) during 0-...

journal_title：Endocrinology

authors： Fix JA,Moore WV

更新日期：1981-01-01 00:00:00

abstract：:The paucity of clinical and preclinical studies investigating sex differences in sleep has resulted in mixed findings as to the exact nature of these differences. Although gonadal steroids are known to modulate sleep in females, less is known about males. Moreover, little evidence exists concerning the origin of these...

journal_title：Endocrinology

authors： Cusmano DM,Hadjimarkou MM,Mong JA

更新日期：2014-01-01 00:00:00

abstract：:19-Nor progesterone (19-nor P) has previously been shown to have a approximately 3-fold higher affinity for mineralocorticoid receptors than progesterone (P), its C-19 methylated parent steroid; in contrast, 19-nor aldosterone has less than 1% the mineralocorticoid receptor affinity of aldosterone. In the present stud...

journal_title：Endocrinology

authors： Funder JW,Adam WR

更新日期：1981-07-01 00:00:00

abstract：:The roles of growth hormone and somatomedin in stimulating muscle cell proliferation were investigated in a series of experiments on myoblast growth in culture. At levels 100 times normal circulating concentrations, neither growth hormone nor insulin stimulated growth of rat muscle cells in serum-free medium. In contr...

journal_title：Endocrinology

authors： Florini JR,Nicholson ML,Dulak NC

更新日期：1977-07-01 00:00:00

abstract：:Nicotine is a potent stimulus for the secretion of ACTH, and norepinephrinergic neurons originating in the brainstem are involved. Prior reports using in vivo microdialysis in alert rats have shown that nicotine, administered i.p. or into the fourth ventricle, stimulated the release of norepinephrine (NE) into the hyp...

journal_title：Endocrinology

authors： Fu Y,Matta SG,Valentine JD,Sharp BM

更新日期：1997-05-01 00:00:00

abstract：:Pituitary adenylate cyclase-activating polypeptide-38 (PACAP38) is a neuropeptide related to vasoactive intestinal peptide-secretin-glucagon which stimulates adenylate cyclase in cultured rat pituitary cells and stimulates LH and FSH release in vitro and in vivo. Because the cAMP-protein kinase-A pathway regulates the...

journal_title：Endocrinology

authors： Tsujii T,Ishizaka K,Winters SJ

更新日期：1994-09-01 00:00:00

abstract：:A relationship between the actions of TSH and IGF-1 was first recognized several decades ago. The close physical and functional associations between their respective receptors (TSHR and IGF-1R) has been described more recently in thyroid epithelium and human orbital fibroblasts as has the noncanonical behavior of IGF-...

journal_title：Endocrinology

authors： Atkins SJ,Lentz SI,Fernando R,Smith TJ

更新日期：2015-12-01 00:00:00

abstract：:Estrogen increases the alpha 1-adrenergic contractile sensitivity of the rabbit uterus. Since estrogen treatment increases prostaglandin (PG) production by the perfused rabbit uterus, and PGs contribute to the alpha 1-adrenergic contractile response, we postulated that estrogen's effects on PG production or response m...

journal_title：Endocrinology

authors： Hurd WW,Riemer RK,Goldfien A,Roberts JM

更新日期：1991-09-01 00:00:00

abstract：:The mechanisms whereby tissue sensitivity to PRL is controlled are not well understood. Here we report that expression of mRNA and protein for members of the SOCS/CIS/JAB family of cytokine signaling inhibitors is increased by PRL administration in ovary and adrenal gland of the lactating rat deprived of circulating P...

journal_title：Endocrinology

authors： Tam SP,Lau P,Djiane J,Hilton DJ,Waters MJ

更新日期：2001-11-01 00:00:00

abstract：:The electrical responses of rat islet cells maintained in culture with varying levels of glucose were determined. After culture with 2.8 or 4.2 mM glucose, the beta-cells did not respond electrically to 27.8 mM glucose. However, after culture in 5.6 mM glucose, the cells responded to 27.8 mM glucose in short term expe...

journal_title：Endocrinology

authors： Pace CS,Conant S,Lacy PE

更新日期：1978-05-01 00:00:00

abstract：:A chemiluminescent dot blot assay has been developed by our laboratory for rapid determinations of IGF-I in serum-free conditioned media (CM) collected from cultured cells. In contrast to IGF-I radioimmunoassays (RIAs), the IGF binding proteins (IGFBPs) did not interfere with the dot blot assay and did not require the...

journal_title：Endocrinology

authors： De León DD,Asmerom Y

更新日期：1997-05-01 00:00:00

abstract：:Decidualization of the endometrial stroma in the rat gives rise to two different cell populations, located either mesometrially or antimesometrially in the uterus. We have previously shown that the rat decidua is the site of production and action of a PRL-like hormone. In this investigation we examined, using reverse ...

journal_title：Endocrinology

authors： Gu Y,Srivastava RK,Clarke DL,Linzer DI,Gibori G

更新日期：1996-11-01 00:00:00

abstract：:In this study, we investigated the hypothalamic regulatory role of pituitary adenylate cyclase-activating polypeptide (PACAP) in the control of LH and PRL secretion. Overiectomized ewes were surgically prepared with bilateral guide tubes directed at the preoptic area (POA) or medial basal hypothalamus (MBH). After rec...

journal_title：Endocrinology

authors： Anderson ST,Sawangjaroen K,Curlewis JD

更新日期：1996-08-01 00:00:00

abstract：:Ovarian angiotensin I (Ang I)-converting enzyme (ACE), estimated by the specific binding of the ACE inhibitor [125I]iodo-MK-351A, is localized on multiple ovarian structures, including follicular granulosa cells, corpora lutea, terminal epithelium, and ovarian blood vessels, but total ovarian ACE does not display a cy...

journal_title：Endocrinology

authors： Daud AI,Bumpus FM,Husain A

更新日期：1990-06-01 00:00:00

abstract：:Recent evidence indicates that catecholamines may directly alter anterior pituitary function. In the present study, an in vitro perifusion system was used to investigate whether catecholamines affect the gonadotrope. Pituitary tissue from castrated ram lambs was incubated in the presence of epinephrine (EPI), norepine...

journal_title：Endocrinology

authors： Swartz SR,Moberg GP

更新日期：1986-06-01 00:00:00

abstract：:Isolated bone cells are often described according to the presence of PTH- and calcitonin (CT)-sensitive adenylate cyclase activities. Osteoblasts are thought to be cells with PTH-sensitive adenylate cyclase but without CT response, and osteoclasts are thought to be CT-sensitive cells. We have studied the adenylate cyc...

journal_title：Endocrinology

authors： Gutierrez GE,Mundy GR,Katz MS

更新日期：1984-12-01 00:00:00

abstract：:Activin A is a gonadal protein originally isolated from follicular fluid and is recognized as a local regulator of granulosa cell differentiation. Whether activin A promotes folliculogenesis, however, still remains unclarified. The present study was designed to elucidate the effect of activin A on follicular growth in...

journal_title：Endocrinology

authors： Yokota H,Yamada K,Liu X,Kobayashi J,Abe Y,Mizunuma H,Ibuki Y

更新日期：1997-11-01 00:00:00

abstract：:A monoclonal antibody directed against bovine TSH was obtained by hybridoma technology. This antibody was specific for TSH and did not react with bovine LH and FSH. Affinity chromatography of crude TSH was performed on anti-TSH Sepharose. Bovine TSH was purified in a single step to near homogeneity by this technique, ...

journal_title：Endocrinology

authors： Lock AJ,van Denderen J,Aarden LA

更新日期：1988-01-01 00:00:00

abstract：:Female Chinese hamsters (n = 10) were immunized with Chinese hamster ovary (CHO) cells that expressed the human TSH receptor (TSHR) to generate a model of Graves' disease. TSHR-autoantibodies (TSHR-Ab) were determined by CHO-TSHR. Two hamsters with stimulating TSHR-Ab showed thyrocyte hypertrophy associated with a foc...

journal_title：Endocrinology

authors： Ando T,Imaizumi M,Graves P,Unger P,Davies TF

更新日期：2003-02-01 00:00:00

abstract：:Canine renal cortical PTH receptors were solubilized after occupancy of membrane-associated receptors with the agonist ligand [125I]bovine (b) PTH-(1-34). Stabilization of binding during solubilization required the use of high concentrations of BSA (optimally 5%) and appropriate detergents (0.5% 3-[(3-cholamidopropyl)...

journal_title：Endocrinology

authors： Nissenson RA,Mann E,Winer J,Teitelbaum AP,Arnaud CD

更新日期：1986-03-01 00:00:00

abstract：:To determine if the inhibitory effects of glucocorticoids on GnRH-stimulated secretion of LH observed in male rats in vivo are exerted directly on the pituitary, dispersed pituitary cells from adult male rats were treated with 60 or 600 ng/ml cortisol (F) or corticosterone (B) during one or two 48-h incubations. Contr...

journal_title：Endocrinology

authors： Suter DE,Schwartz NB

更新日期：1985-09-01 00:00:00

abstract：:The effect of synthetic atrial natriuretic factor (ANF) on adrenal steroidogenesis has been studied in primary culture of bovine adrenal cells. ANF-(8-33) produced a potent 40-70% inhibition of angiotensin II-, ACTH-, PGE1-, and forskolin-stimulated secretion of aldosterone production from zona glomerulosa cells with ...

journal_title：Endocrinology

authors： De Léan A,Racz K,Gutkowska J,Nguyen TT,Cantin M,Genest J

更新日期：1984-10-01 00:00:00

abstract：:Prolactin (PRL) is tonically inhibited by dopamine (DA) released from neurons in the arcuate and periventricular nuclei. Kisspeptin plays a pivotal role in LH regulation. In rodents, kisspeptin neurons are found mostly in the anteroventral periventricular and arcuate nuclei, but the physiology of arcuate kisspeptin ne...

journal_title：Endocrinology

authors： Szawka RE,Ribeiro AB,Leite CM,Helena CV,Franci CR,Anderson GM,Hoffman GE,Anselmo-Franci JA

更新日期：2010-07-01 00:00:00

abstract：:Patients with noninsulin-dependent diabetes mellitus exhibit increased proportions of plasma proinsulin and proinsulin conversion intermediates. We used hyperinsulinemic diabetic and nondiabetic Psammomys obesus to study the possible relationship between steady state pancreatic insulin stores and the proportion of pro...

journal_title：Endocrinology

authors： Gadot M,Leibowitz G,Shafrir E,Cerasi E,Gross DJ,Kaiser N

更新日期：1994-08-01 00:00:00

abstract：:The metabolic consequences of visceral obesity have been associated with amplification of glucocorticoid action by 11beta-hydroxysteroid dehydrogenase type 1 (11beta-HSD1) in adipose tissue. This study aimed to assess in a rat model of diet-induced obesity the effects of pharmacological 11beta-HSD1 inhibition on the m...

journal_title：Endocrinology

authors： Berthiaume M,Laplante M,Festuccia W,Gélinas Y,Poulin S,Lalonde J,Joanisse DR,Thieringer R,Deshaies Y

更新日期：2007-05-01 00:00:00

abstract：:Epididymal adipocytes were isolated from Fischer 344 rats aged 3, 6, 12, and 24 months, to study the mechanisms responsible for age-dependent diminution in cellular adrenergic responsiveness. Messenger RNA (mRNA) levels for the beta 1-, beta 2-, and beta 3-adrenergic receptors (ARs) were compared across age groups and...

journal_title：Endocrinology

authors： Gettys TW,Rohlfs EM,Prpic V,Daniel KW,Taylor IL,Collins S

更新日期：1995-05-01 00:00:00

abstract：:Cyclin D1 encodes the regulatory subunit of a holoenzyme that phosphorylates and inactivates the retinoblastoma protein and promotes progression through the G1-S phase of the cell cycle. Amplification or overexpression of cyclin D1 plays pivotal roles in the development of a subset of human cancers including parathyro...

journal_title：Endocrinology

authors： Fu M,Wang C,Li Z,Sakamaki T,Pestell RG

更新日期：2004-12-01 00:00:00

abstract：:Groups of female ferrets born in the laboratory received sc Silastic capsules containing testosterone (T), 5 alpha-dihydrotestosterone (DHT), 17 beta-estradiol (E), or no steroid for 15 days beginning on the day of birth; an additional group of male ferrets received empty sc capsules neonatally. All ferrets were gonad...

journal_title：Endocrinology

authors： Baum MJ,Gallagher CA,Martin JT,Damassa DA

更新日期：1982-09-01 00:00:00

abstract：:Five studies are reported which were designed to define the effects of an estrogen and a progestogen, alone and in combination, on tissue concentrations (heart, kidney, and liver) of two trace metals (zinc, copper) and four bulk cations (sodium, potassium, calcium, magnesium). Male rats received Premarin (0.08 mg) and...

journal_title：Endocrinology

authors： Yunice AA,Lindeman RD

更新日期：1975-11-01 00:00:00

abstract：:The effects of GH and PTH on cancellous histomorphometry were determined in the proximal tibial metaphysis of hypophysectomized (HYPOX) sexually mature female rats. HYPOX resulted in uterine atrophy and a loss in body weight. Longitudinal bone growth ceased and bone formation was greatly reduced. There were decreases ...

journal_title：Endocrinology

authors： Schmidt IU,Dobnig H,Turner RT

更新日期：1995-11-01 00:00:00