Time course of action of pertussis toxin to block the inhibition of stimulated insulin release by norepinephrine.

abstract：:In young adult female rats, the patterns of inhibin subunit mRNA expression during the estrous cycle are regulated by cyclic changes in gonadotropin secretion and follicular development. Since there are distinct alterations in profiles of both hormone secretion and folliculogenesis during the reproductive lifespan of ...

journal_title：Endocrinology

authors： Jih MH,Lu JK,Wan YJ,Wu TC

更新日期：1993-01-01 00:00:00

abstract：:A model for the study of testicular function in experimental uremia induced by subtotal nephrectomy in mature male rats is described. Glomerular filtration rate was reduced by 87%, resulting in stable uremia for up to 13 weeks with characteristic biochemical changes and reduction in weight of testes, prostate, seminal...

journal_title：Endocrinology

authors： Handelsman DJ,Spaliviero JA,Turtle JR

更新日期：1985-11-01 00:00:00

abstract：:Although prolactinomas can be effectively treated with dopamine agonists, about 20% of patients develop dopamine resistance or tumor recurrence after surgery, indicating a need for better understanding of underlying disease mechanisms. Although estrogen-induced rat prolactinomas have been widely used to investigate th...

journal_title：Endocrinology

authors： Tong Y,Zheng Y,Zhou J,Oyesiku NM,Koeffler HP,Melmed S

更新日期：2012-08-01 00:00:00

abstract：:Cocaine- and amphetamine-regulated transcript (CART) is an anorexigenic neuropeptide synthesized in the hypothalamus. A Leu34Phe missense mutation in proCART has been found in an obese family in humans. Here we show that humans bearing the Leu34Phe mutation in proCART have severely diminished levels of bioactive CART,...

journal_title：Endocrinology

authors： Yanik T,Dominguez G,Kuhar MJ,Del Giudice EM,Loh YP

更新日期：2006-01-01 00:00:00

abstract：:G proteins were quantitated by immunoblot in normal rat anterior pituitary, an estrone-induced pituitary adenoma, and in two transplantable pituitary tumors resistant to dopamine, 7315a and MtTW15. Antisera specific for the alpha o and beta subunits or the alpha i subunit of G proteins were tested with all preparation...

journal_title：Endocrinology

authors： Collu R,Bouvier C,Lagacé G,Unson CG,Milligan G,Goldsmith P,Spiegel AM

更新日期：1988-03-01 00:00:00

abstract：:Treatment of 5-day cyclic rats with 10 or 100 microgram estradiol benzoate on the day of estrus induced a luteal phase in all animals studied. On the other hand, an injection with 1 microgram estradiol benzoate given on the same day failed to induce pseudopregnancy. When 10 mg progesterone were injected on the day of ...

journal_title：Endocrinology

authors： de Greef WJ,Zeilmaker GH

更新日期：1979-07-01 00:00:00

abstract：:The human estrogen receptor alpha (ERalpha) and the recently identified ERbeta share a high degree of amino acid homology; however, there are significant differences in regions of these receptors that would be expected to influence transcriptional activity. Consequently, we compared the mechanism(s) by which these rec...

journal_title：Endocrinology

authors： Hall JM,McDonnell DP

更新日期：1999-12-01 00:00:00

abstract：:The present studies demonstrate that the murine adrenocortical tumor cell line Y-1 releases a digoxin-like immunoreactive material into both serum-supplemented nutrient medium and minimal Krebs-Ringer bicarbonate medium. Release of pregnenolone into minimal medium from these cells was consistently inhibited by additio...

journal_title：Endocrinology

authors： Doris PA,Kilgore MW,Durham D,Alberts D,Stocco DM

更新日期：1989-11-01 00:00:00

abstract：:The effects of estradiol valerate and constant light exposure on the histological appearance of the arcuate nucleus were assessed in female rats. Both of these treatments caused significant increases in the numbers of reactive microglial cells and astrocytic granules in the nucleus. Ovariectomy before either treatment...

journal_title：Endocrinology

authors： Brawer JR,Schipper H,Naftolin F

更新日期：1980-07-01 00:00:00

abstract：:Dispersed Leydig cells were prepared from pig testes and purified in a discontinuous Percoll gradient. About 95% of these cells stained for 3 beta-hydroxysteroid dehydrogenase. The cells were cultured in a chemically defined medium. Testosterone production was low (2 +/- 0.4 ng/10(6) cells/day) under basal conditions,...

journal_title：Endocrinology

authors： Benahmed M,Reventos J,Saez JM

更新日期：1983-06-01 00:00:00

abstract：:For insight into transcriptional mechanisms mediating physiological responses to GH, data mining was performed on a profile of GH-regulated genes induced or inhibited at different times in highly responsive 3T3-F442A adipocytes. Gene set enrichment analysis indicated that GH-regulated genes are enriched in pathways in...

journal_title：Endocrinology

authors： Chen Y,Lin G,Huo JS,Barney D,Wang Z,Livshiz T,States DJ,Qin ZS,Schwartz J

更新日期：2009-08-01 00:00:00

abstract：:Macrophage migration inhibitory factor (MIF) is a proinflammatory cytokine produced by peripheral immune cells and also by endocrine cells in the anterior pituitary gland. MIF exerts its proinflammatory actions in the host-defense system by blocking the inhibitory effects of glucocorticoids on the release of other pro...

journal_title：Endocrinology

authors： Tierney T,Patel R,Stead CA,Leng L,Bucala R,Buckingham JC

更新日期：2005-01-01 00:00:00

abstract：:To examine the molecular genetic basis for the age-related increase in PRL secretion and decrease in LH production in the rat, we measured steady state levels of PRL and LH beta mRNA in pituitary homogenates and cell lysates from monolayer adenohypophyseal cultures. These mRNA levels were compared with the correspondi...

journal_title：Endocrinology

authors： Stewart DA,Blackman MR,Kowatch MA,Danner DB,Roth GS

更新日期：1990-02-01 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：:Brown adipose tissue (BAT) thermogenesis is activated by the sympathetic nervous system. BAT responses to norepinephrine are blunted in hypothyroidism and are rapidly restored by thyroid hormone. We examined in rats the effects of thyroid hormone on BAT beta 1- and beta 2-adrenergic receptors (AR) expression and capac...

journal_title：Endocrinology

authors： Rubio A,Raasmaja A,Maia AL,Kim KR,Silva JE

更新日期：1995-08-01 00:00:00

abstract：:One physiological role for endogenous opioid peptides is to attenuate the release of oxytocin (OT) from the hypothalamo-neurohypophysial system during dehydration and hemorrhage when vasopressin maintains fluid balance and blood pressure. During lactation, OT, which stimulates milk ejection, is released without vasopr...

journal_title：Endocrinology

authors： Hartman RD,Rosella-Dampman LM,Summy-Long JY

更新日期：1987-08-01 00:00:00

abstract：:To examine the physiological effects of norepinephrine (NE) in the paraventricular nucleus of the hypothalamus (PVH) on CRF gene expression and CRF release, NE was microinjected bilaterally into the PVH of conscious rats, and kinetic studies were performed on the levels of POMC messenger RNA (mRNA) in the anterior pit...

journal_title：Endocrinology

authors： Itoi K,Suda T,Tozawa F,Dobashi I,Ohmori N,Sakai Y,Abe K,Demura H

更新日期：1994-11-01 00:00:00

abstract：:Because there are sex differences in feeding behavior in rats, we looked for a possible sex difference in the response to glucose of melanin-concentrating hormone (MCH) neurons in the lateral hypothalamic area using phosphorylated cAMP response element-binding protein (pCREB) as a marker of neural activity. Intact mal...

journal_title：Endocrinology

authors： Mogi K,Funabashi T,Mitsushima D,Hagiwara H,Kimura F

更新日期：2005-08-01 00:00:00

abstract：:Mutations of the monocarboxylate transporter 8 gene (MCT8, SLC16A2) cause the Allan-Herndon-Dudley syndrome, an X-linked syndrome of severe intellectual deficit and neurological impairment. Mct8 transports thyroid hormones (T4 and T3), and the Allan-Herndon-Dudley syndrome is likely caused by lack of T3 transport to n...

journal_title：Endocrinology

authors： Grijota-Martínez C,Díez D,Morreale de Escobar G,Bernal J,Morte B

更新日期：2011-04-01 00:00:00

abstract：:Calcitonin gene-related peptide (CGRP)-I has been reported to inhibit gastric acid secretion through stimulation of gastric somatostatin-14 (S-14) release. To establish whether some of the effects of CGRP-I on intestinal function might also be mediated through somatostatin, fetal rat intestinal cultures were treated w...

journal_title：Endocrinology

authors： Brubaker PL,Greenberg GR

更新日期：1993-12-01 00:00:00

abstract：:The contributions of estradiol and testosterone to atherosclerotic lesion progression are not entirely understood. Cross-sex hormone therapy (XHT) for transgender individuals dramatically alters estrogen and testosterone levels and consequently could have widespread consequences for cardiovascular health. Yet, no prec...

journal_title：Endocrinology

authors： Goetz TG,Mamillapalli R,Sahin C,Majidi-Zolbin M,Ge G,Mani A,Taylor HS

更新日期：2018-02-01 00:00:00

abstract：:We have investigated the interaction between hypothalamic ACTH secretagogues and adrenocortical glucocorticoids in rat anterior pituitary tissue using an in vitro perifusion system. Repeated 5 min pulses of 41-residue CRF (CRF-41) or arginine vasopressin (AVP) were applied at 1 h intervals for up to 7 h. Administratio...

journal_title：Endocrinology

authors： Shipston MJ,Antoni FA

更新日期：1992-04-01 00:00:00

abstract：:Identification of RF-amide-related peptides (RFRP), as putative mammalian orthologs of the avian gonadotropin-inhibitory hormone, has drawn considerable interest on its potential effects and mechanisms of action in the control of gonadotropin secretion in higher vertebrates. Yet, these analyses have so far relied most...

journal_title：Endocrinology

authors： Pineda R,Garcia-Galiano D,Sanchez-Garrido MA,Romero M,Ruiz-Pino F,Aguilar E,Dijcks FA,Blomenröhr M,Pinilla L,van Noort PI,Tena-Sempere M

更新日期：2010-04-01 00:00:00

abstract：:The influence of periparturient secretion of PRL on cytological differentiation of mammary epithelial cells was studied in 17 multiparous, monotocous Holstein cows. Mammary tissue was obtained 10 days prepartum and 10 days postpartum from untreated cows and from cows treated with CB154 (2-Br-alpha-ergokryptin) or CB15...

journal_title：Endocrinology

authors： Akers RM,Bauman DE,Goodman GT,Capuco AV,Tucker HA

更新日期：1981-07-01 00:00:00

abstract：:Aged (16-month-old) female rats (n = 8/treatment) were injected for 12 days with GH (100 micrograms/100 g x day), PTH (8 micrograms/100 g x day), GH plus PTH, or vehicle (V) in an experiment designed to determine the effects of these hormones on intestinal mineral absorption in senescent rats. PTH and GH increased fra...

journal_title：Endocrinology

authors： Fleet JC,Bruns ME,Hock JM,Wood RJ

更新日期：1994-04-01 00:00:00

abstract：:Protein iodination in the thyroid is largely confined to the surface of the epithelium. Intracellular iodine binding is insignificant. We have tested our hypothesis that the key mechanism in the control of intracellular iodination is the control of the intracellular availability of H2O2. The sites of iodination were i...

journal_title：Endocrinology

authors： Ekholm R,Björkman U

更新日期：1997-07-01 00:00:00

abstract：:Cyclic somatostatin strongly stimulated secretion of histamine from rat peritoneal mast cells. The energy, temperature and calcium dependence of this effect indicate that the action of somatostatin on the mast cells is similar to that of the classic mast cell secretagogue compound 48/80 and is to induce exocytosis. ...

journal_title：Endocrinology

authors： Theoharides TC,Douglas WW

更新日期：1978-05-01 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：:Amplification of insulin secretion by cAMP is mediated by protein kinase A (PKA) and exchange protein directly activated by cAMP (Epac). Using selective activators, we determined how each effector influences the cytosolic free Ca(2+) concentration ([Ca(2+)]c) and insulin secretion in mouse islets. Alone PKA activator ...

journal_title：Endocrinology

authors： Henquin JC,Nenquin M

更新日期：2014-09-01 00:00:00

abstract：:The glycoprotein FSH, a product of pituitary gonadotrope cells, regulates ovarian follicle development in females and spermatogenesis in males. FSH is a heterodimer of the common α gonadotropin subunit and the hormone-specific FSHβ subunit (a product of the Fshb gene). Using a conditional knockout approach (Cre-lox), ...

journal_title：Endocrinology

authors： Li Y,Schang G,Wang Y,Zhou X,Levasseur A,Boyer A,Deng CX,Treier M,Boehm U,Boerboom D,Bernard DJ

更新日期：2018-07-01 00:00:00