Phosphorylation state of tyrosine hydroxylase in the stalk-median eminence is decreased by progesterone in cycling female rats.

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：:Acidosis has been implicated in the pathogenesis of various metabolic bone diseases. Experimental acid ingestion is known to stimulate the release of bone mineral in humans and increase osteoclastic resorption surfaces in animals, but the mechanism has remained unclear. We have investigated the effect of medium pH on ...

journal_title：Endocrinology

authors： Arnett TR,Dempster DW

更新日期：1986-07-01 00:00:00

abstract：:In addition to 17beta-estradiol binding, estrogen receptor (ER) transcriptional activity could be controlled by intracellular kinase signaling pathways activated by growth factors. In this report we present evidence suggesting that glycogen synthase kinase 3 (GSK3), an effector kinase of the phosphatidylinositol 3-kin...

journal_title：Endocrinology

authors： Mendez P,Garcia-Segura LM

更新日期：2006-06-01 00:00:00

abstract：:31P nuclear magnetic resonance (NMR) was used to study the effects of 17 beta-estradiol on the content of phosphates and on the flux catalyzed by creatine kinase in immature rat uteri. Perifusion with oxygenated medium at 36 C maintained the uteri in a viable state for at least 10 h in vitro during 31P NMR measurement...

journal_title：Endocrinology

authors： Degani H,Victor TA,Kaye AM

更新日期：1988-04-01 00:00:00

abstract：:Osteoblasts are known to produce osteoclast-stimulating activity (OSA). The aim of the current study was to relate the expression of OSA to the osteoblastic phenotype and examine its regulation by calciotropic hormones. The study was performed with the normal osteoblastic cell clone CRP 10/30 and the preosteoblastic c...

journal_title：Endocrinology

authors： Collin P,Guenther HL,Fleisch H

更新日期：1992-09-01 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：: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：:Type 1 diabetes is caused by autoimmune destruction of β-cells. Although immunotherapy can restore self-tolerance thereby halting continued immune-mediated β-cell loss, residual β-cell mass and function is often insufficient for normoglycemia. Using a growth factor to boost β-cell mass can potentially overcome this ba...

journal_title：Endocrinology

authors： Hyslop CM,Tsai S,Shrivastava V,Santamaria P,Huang C

更新日期：2016-01-01 00:00:00

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：:The production of hydrogen peroxide (H2O2) as an essential process for iodide organification is a key reaction in TSH-induced thyroid hormone synthesis. Here we characterize the signal transduction pathway involved in TSH-induced H2O2 production in FRTL-5 thyroid cells. At higher than 1 nM TSH, N6-(L-2-phenylisopropyl...

journal_title：Endocrinology

authors： Kimura T,Okajima F,Sho K,Kobayashi I,Kondo Y

更新日期：1995-01-01 00:00:00

abstract：:Trans-10, cis-12 conjugated linoleic acid (10,12 CLA) is a dietary fatty acid that promotes weight loss and disproportionate fat loss. Obese mice fed a high-fat, high-sucrose (HFHS) diet containing 10,12 CLA are resistant to weight gain and contain markedly reduced subcutaneous fat and adiponectin, with a concurrent l...

journal_title：Endocrinology

authors： Wang S,Goodspeed L,Turk KE,Houston B,den Hartigh LJ

更新日期：2017-09-01 00:00:00

abstract：:Oxytocin (OT) has a dual action in the uterus: a uterotonic action on myometrial cells and a prostaglandin (PG)-releasing action on endometrial/decidual cells. It had not been determined whether the OT-binding sites or receptors on the myometrial and the endometrial/decidual membranes are of the same type or may repre...

journal_title：Endocrinology

authors： Chan WY,Chen DL,Manning M

更新日期：1993-03-01 00:00:00

abstract：:Atrial natriuretic factor (ANF) was studied for its effect on renin release by rat renal cortical slices. ANF (rat) alone (10(-9)-10(-6) M) had no effect on basal renin release, but significantly (P less than 0.001) potentiated angiotensin II (AII) inhibition of renin secretion in doses as low as 10(-9) M. ANF also po...

journal_title：Endocrinology

authors： Antonipillai I,Vogelsang J,Horton R

更新日期：1986-07-01 00:00:00

abstract：:Pdx-1 plays a key role in the development of the pancreas and the control of islet gene transcription and has also been proposed as a dominant regulator of the alpha- vs. beta-cell phenotype via extinction of proglucagon expression. To ascertain the relationship between Pdx-1 and proglucagon gene expression, we examin...

journal_title：Endocrinology

authors： Flock G,Cao X,Drucker DJ

更新日期：2005-01-01 00:00:00

abstract：:An estrogen-binding protein (EBP) has been identified and characterized in the cytosol of the pathogenic yeast Candida albicans. Binding of [3H]estradiol was found to be optimal at pH 7.4 in the presence of 0.3 M KCl and was linearly related to protein concentration. Binding was very rapid, reaching maximal levels in ...

journal_title：Endocrinology

authors： Skowronski R,Feldman D

更新日期：1989-04-01 00:00:00

abstract：:Arginine vasopressin (AVP) stimulates the secretion of ACTH from pituitary corticotropes. We investigated the action of AVP in single corticotropes of male rats. Corticotropes were identified with the reverse hemolytic plaque assay using antibodies against ACTH. Using the whole-cell recording technique in conjunction ...

journal_title：Endocrinology

authors： Tse A,Lee AK

更新日期：1998-05-01 00:00:00

abstract：:The steady state levels of the prodynorphin-derived opioid peptides, dynorphin A, dynorphin B, and alpha-neo-endorphin, have been extensively studied in the magnocellular/posterior pituitary system of the rat. To determine whether the rat system serves as a general model for prodynorphin processing in the mammalian po...

journal_title：Endocrinology

authors： Dores RM,Akil H

更新日期：1987-01-01 00:00:00

abstract：:Gonadotropin-regulated testicular RNA helicase (GRTH/Ddx25) is a posttranscriptional regulator of genes that are essential for spermatid elongation and completion of spermatogenesis. It also prevents Leydig cells (LCs) from gonadotropin overstimulation of androgen production. In transgenic (Tg) mice carrying deletions...

journal_title：Endocrinology

authors： Kavarthapu R,Tsai-Morris CH,Fukushima M,Pickel J,Dufau ML

更新日期：2013-06-01 00:00:00

abstract：:The estrogen receptor-alpha (ERalpha) pituitary-specific variant, TERP-1, is regulated dramatically by physiological status. We examined hormonal regulation of the TERP-1 promoter in transient transfection assays in GH3 somatolactotrope cells. We found that 17beta-estradiol (E2), genistein, androgen, pituitary adenyla...

journal_title：Endocrinology

authors： Bryant WM,Gibson MA,Shupnik MA

更新日期：2006-01-01 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：:The induction of long-term responses in the uterus following estrogen treatment is discussed, with special reference to DNA synthesis. Immature female rats injected daily with estradiol-17beta or estriol (0.01 to 1 mug) or a combination of the two steroids for one, two or three consecutive days were sacrificed at inte...

journal_title：Endocrinology

authors： Stormshak F,Leake R,Wertz N,Gorski J

更新日期：1976-12-01 00:00:00

abstract：:Previously, we reported that testicular macrophages constitutively release tumor necrosis factor (TNF) in vitro and are unresponsive to bacterial endotoxins [lipopolysaccharides (LPS)]. These properties are not typical of other tissue macrophages. The goals of the present study were, therefore, to establish 1) if test...

journal_title：Endocrinology

authors： Moore C,Hutson JC

更新日期：1994-01-01 00:00:00

abstract：:Regulatory elements present in the cytoplasmic carboxyl-terminal tails of G protein-coupled receptors contribute to agonist-dependent receptor desensitization, internalization, and association with accessory proteins such as beta-arrestin. The mammalian type I GnRH receptors are unique among the rhodopsin-like G prote...

journal_title：Endocrinology

authors： Pawson AJ,Faccenda E,Maudsley S,Lu ZL,Naor Z,Millar RP

更新日期：2008-03-01 00:00:00

abstract：:Polyadenylated RNA, extracted from rat hypothalami, cross-hybridized with a RNA probe complementary in sequence to rat PTH (rPTH) messenger RNA (mRNA). Amplification of complementary DNA (cDNA) by the polymerase chain reaction also demonstrated the presence of rPTH mRNA in the rat hypothalamus and parathyroid gland. r...

journal_title：Endocrinology

authors： Fraser RA,Kronenberg HM,Pang PK,Harvey S

更新日期：1990-11-01 00:00:00

abstract：:The original objective of this study was to use available distribution volume (V) and deca constant (k) estimates for rat LH and FSH to determine the amounts of these hormones synthesized and released during a dynamic secretory event, the postpartum preovulatory surge. The problem was approached by 1) determining the ...

journal_title：Endocrinology

authors： Diebel ND,Bogdanove EM

更新日期：1978-09-01 00:00:00

abstract：:The calcium-dependent class of cell adhesion molecules known as cadherins mediate homotypic cell interactions in most epithelia. We have now investigated the expression and distribution of cadherins and cadherin-associated molecules in the developing and maturing rat testis. E-Cadherin was not detected in the seminife...

journal_title：Endocrinology

authors： Byers SW,Sujarit S,Jegou B,Butz S,Hoschutzky H,Herrenknecht K,MacCalman C,Blaschuk OW

更新日期：1994-02-01 00:00:00

abstract：:The extent thyroid hormone receptors (TRs) bind to AGGTCA-related motifs as monomers and/or homodimers, and as heterodimers with retinoid X receptors (RXRs) depends on the number, spacing, and orientation of these half-sites. Here we show that recombinant RXR alpha affects TR binding to DNA in diverse ways; it enhance...

journal_title：Endocrinology

authors： Ribeiro RC,Apriletti JW,Yen PM,Chin WW,Baxter JD

更新日期：1994-11-01 00:00:00

abstract：:Mesenchymal stroma/stem cells (MSCs) exist in adult tissues, such as adipose tissue and bone marrow, and differentiate into cells of multiple lineages. In previous studies, we found that MSCs differentiate into steroidogenic cells by forced expression of steroidogenic factor 1 (SF-1)/adrenal 4 binding protein (Ad4BP),...

journal_title：Endocrinology

authors： Tanaka T,Aoyagi C,Mukai K,Nishimoto K,Kodama S,Yanase T

更新日期：2020-03-01 00:00:00

abstract：:11 beta-Hydroxysteroid dehydrogenase (11 beta HSI) is an enzyme complex responsible for the conversion of hormonally active cortisol to inactive cortisone; two isoforms of the enzyme have been cloned and characterized. Clinical observations from patients with the hypertensive syndrome apparent mineralocorticoid excess...

journal_title：Endocrinology

authors： Shimojo M,Ricketts ML,Petrelli MD,Moradi P,Johnson GD,Bradwell AR,Hewison M,Howie AJ,Stewart PM

更新日期：1997-03-01 00:00:00

abstract：:The administration of testosterone via Silastic capsules has been shown previously to maintain advanced spermatid number quantitatively in intact rats in which LH but not FSH was suppressed, but not in hypophysectomized rats, indicating that pituitary factors in addition to LH are required for the quantitative mainten...

journal_title：Endocrinology

authors： Awoniyi CA,Zirkin BR,Chandrashekar V,Schlaff WD

更新日期：1992-06-01 00:00:00