Melatonin modulates secretion of growth hormone and prolactin by trout pituitary glands and cells in culture.

abstract：:Incubation of human placenta membranes with low concentrations (0.1-0.2 mM) of dithiothreitol (DTT) increased insulin binding approximately 1.4-fold, while 10 mM DTT completely inhibited insulin binding. In contrast, treatment of rat adipocyte membranes with 0.5-2.0 mM DTT increased tracer insulin binding 3- to 6-fold...

journal_title：Endocrinology

authors： Swanson ML,Dudley DT,Walker PS,Boyle TR,Pessin JE

更新日期：1988-03-01 00:00:00

abstract：:Loss-of-function mutations in the X-linked immunoglobulin superfamily, member 1 (IGSF1) gene cause central hypothyroidism. IGSF1 is a transmembrane glycoprotein of unknown function expressed in thyrotropin (TSH)-producing thyrotrope cells of the anterior pituitary gland. The protein is cotranslationally cleaved, with ...

journal_title：Endocrinology

authors： Turgeon MO,Silander TL,Doycheva D,Liao XH,Rigden M,Ongaro L,Zhou X,Joustra SD,Wit JM,Wade MG,Heuer H,Refetoff S,Bernard DJ

更新日期：2017-04-01 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：:Although GH plays a key role in postnatal growth, prenatal growth is thought to be GH independent. However, recent data has shown GH receptor/binding protein (GHR/BP) to be present in rat fetal tissues as early as fetal stage E12. The aim of the present study was to investigate tissue-specific production of the GHR/BP...

journal_title：Endocrinology

authors： Edmondson SR,Werther GA,Russell A,LeRoith D,Roberts CT Jr,Beck F

更新日期：1995-10-01 00:00:00

abstract：:Bone remodeling is a complex process of coordinated resorption and formation of bone, which is regulated by systemic hormones and by local factors. We have previously shown that the peptide hormone adrenomedullin is mitogenic to osteoblastic cells in vitro and that it promotes bone growth in vivo. The aim of the prese...

journal_title：Endocrinology

authors： Naot D,Callon KE,Grey A,Cooper GJ,Reid IR,Cornish J

更新日期：2001-05-01 00:00:00

abstract：:The effect of diabetes mellitus on the synthesis and secretion of thyroid hormone ws investigated in mice with streptozotocin-induced diabetes. Thyroid glands were labeled in vivo with 131I for 2 h. In control animals, TSH stimulated the synthesis of PB127I and 131I-labeled iodothyronines and simultaneously decreased ...

journal_title：Endocrinology

authors： Bagchi N,Brown TR,Shivers B,Lucas S,Mack RE

更新日期：1981-11-01 00:00:00

abstract：:The direct effects of glucocorticoids on testicular LH receptor content and steroidogenesis were studied in vivo and in vitro. Immature hypophysectomized rats were treated with varying doses of dexamethasone, corticosterone, or a synthetic progestin, 17,21-dimethyl-19-nor-pregna-4,9-diene-3,20-dione (R5020). Some anim...

journal_title：Endocrinology

authors： Bambino TH,Hsueh AJ

更新日期：1981-06-01 00:00:00

abstract：:The effects of electrical stimulation of the brain on the ovarian venous plasma concentrations of estradiol (E2) and progesterone (P) were investigated in female rats hypophysectomized and adrenalectomized at 1000 h on the day of proestrus. Stimulation was applied during the proestrous critical period under pentobarbi...

journal_title：Endocrinology

authors： Kawakami M,Kubo K,Uemura T,Nagase M,Hayashi R

更新日期：1981-07-01 00:00:00

abstract：:Although the effectiveness of nuclear hormone-receptor complexes is known to depend on coregulator partner proteins, relatively little is known about the roles of coregulators in uterine development and early stages of pregnancy and implantation. Because conventional genetic deletion of the coregulator, repressor of e...

journal_title：Endocrinology

authors： Park S,Yoon S,Zhao Y,Park SE,Liao L,Xu J,Lydon JP,DeMayo FJ,O'Malley BW,Bagchi MK,Katzenellenbogen BS

更新日期：2012-08-01 00:00:00

abstract：:Anti-Müllerian hormone (AMH) was partially purified from incubation medium of calf fetal testes and injected into a BALB/c mouse, whose splenocytes were fused with Sp2/Ag8 myeloma cells. Hybridomas were screened for specific antibody production by double antibody precipitation of labeled AMH, which was obtained by inc...

journal_title：Endocrinology

authors： Vigier B,Picard JY,Josso N

更新日期：1982-01-01 00:00:00

abstract：:Although acute leptin administration in the hypothalamus decreases food intake and increases peripheral energy metabolism, the peripheral actions of central chronic leptin administration are less understood. In this study, we investigated what effects chronic (7 d) intracerebroventricular (ICV) administration of lepti...

journal_title：Endocrinology

authors： Keung W,Palaniyappan A,Lopaschuk GD

更新日期：2011-11-01 00:00:00

abstract：:The fragile X syndrome is the most frequent hereditary form of mental retardation. This X-linked disorder is, in most cases, caused by an unstable and expanding trinucleotide CGG repeat located in the 5'-untranslated region of the gene involved, the fragile X mental retardation 1 (FMR1) gene. Expansion of the CGG repe...

journal_title：Endocrinology

authors： Slegtenhorst-Eegdeman KE,de Rooij DG,Verhoef-Post M,van de Kant HJ,Bakker CE,Oostra BA,Grootegoed JA,Themmen AP

更新日期：1998-01-01 00:00:00

abstract：:Treatment of inflammation is often accomplished through the use of glucocorticoids. However, their use is limited by side effects. We have examined the activity of a novel glucocorticoid receptor ligand that binds the receptor efficiently and strongly represses inflammatory gene expression. This compound has potent an...

journal_title：Endocrinology

authors： López FJ,Ardecky RJ,Bebo B,Benbatoul K,De Grandpre L,Liu S,Leibowitz MD,Marschke K,Rosen J,Rungta D,Viveros HO,Yen WC,Zhi L,Negro-Vilar A,Miner JN

更新日期：2008-05-01 00:00:00

abstract：:Estrogens stimulate cell proliferation in typical estrogen-responsive tissues including the anterior pituitary gland. Here we report that 17-beta estradiol (E2) has estrogen receptor-mediated mitogenic and antimitogenic actions on rat lactotrophs in primary culture, depending on the cell context. E2 did not affect bas...

journal_title：Endocrinology

authors： Kawashima K,Yamakawa K,Takahashi W,Takizawa S,Yin P,Sugiyama N,Kanba S,Arita J

更新日期：2002-07-01 00:00:00

abstract：:Targeted disruption [knockout (KO)] of the mouse prolactin (PRL) gene created an animal model of primary isolated PRL deficiency in which there is no detectable PRL bioactivity. Pituitary glands of young adult female PRLKO mice were hyperplastic, and many cells had expanded cytoplasms with granular accumulations of an...

journal_title：Endocrinology

authors： Cruz-Soto ME,Scheiber MD,Gregerson KA,Boivin GP,Horseman ND

更新日期：2002-11-01 00:00:00

abstract：:Prolactinomas are the most prevalent functional pituitary adenomas. Dopamine D2 receptor (D2R) agonists, such as bromocriptine are the first line of therapy; however, drug intolerance/resistance to D2R agonists exists. Apart from D2R agonists, there is no established medical therapy for prolactinomas; therefore, ident...

journal_title：Endocrinology

authors： Miller M,Chen S,Woodliff J,Kansra S

更新日期：2008-08-01 00:00:00

abstract：:Sex difference in the number of neurons projecting axons from the lateral septum (LS) to the midbrain central gray (MCG) that are concerned with the lordosis-inhibiting system was investigated by injection of Fluoro-Gold (FG), a retrograde tracer, into the rostral MCG on the right side in male and female rats. Immunoh...

journal_title：Endocrinology

authors： Tsukahara S,Yamanouchi K

更新日期：2002-01-01 00:00:00

abstract：:Specific receptors for tetradecapeptide somatostatin (S-14) in rat adrenal cortical membranes were quantitated by direct binding studies using [125I-Tyr11]S-14. Competitive inhibition of this radioligand by S-14 showed that these receptors constitute a single class of high affinity binding sites [dissociation constant...

journal_title：Endocrinology

authors： Srikant CB,Patel YC

更新日期：1985-05-01 00:00:00

abstract：:A method has been developed for the purification of rat placental lactogen employing a specific radioreceptor assay (RRA). The method involves precipitation with ammonium sulfate, gel filtration on Sephadex G-100, ion-exchange chromatography on DEAE-cellulose and CM-Sephadex, and preparative isoelectric focusing. The ...

journal_title：Endocrinology

authors： Roberston MC,Friesen HG

更新日期：1975-09-01 00:00:00

abstract：:The concentration-activity profiles for insulin and insulin-like growth factor I (IGF-I; in the presence of and insulin-like growth factor I (IGF-I; in the presence of hydrocortisone and PRL) have been compared in terms of the accumulation of beta-casein mRNA, total casein synthesis, and alpha-lactalbumin and basal ca...

journal_title：Endocrinology

authors： Prosser CG,Sankaran L,Hennighausen L,Topper YJ

更新日期：1987-04-01 00:00:00

abstract：:Active immunization against GRF at 6 months of age delays puberty in beef heifers. The objectives of the present study were to determine whether active immunization against GRF at an earlier age would affect normal onset of puberty and follicular growth and to determine whether these changes were related to alteration...

journal_title：Endocrinology

authors： Cohick WS,Armstrong JD,Whitacre MD,Lucy MC,Harvey RW,Campbell RM

更新日期：1996-05-01 00:00:00

abstract：:In the adrenal gland, neuroendocrine cells that synthesize catecholamines and epithelial cells that produce steroid hormones are united beneath a common organ capsule to function as a single stress-responsive organ. The functional anatomy of the steroid hormone-producing adrenal cortex and the catecholamine-producing ...

journal_title：Endocrinology

authors： Sun N,Wu Y,Nanba K,Sbiera S,Kircher S,Kunzke T,Aichler M,Berezowska S,Reibetanz J,Rainey WE,Fassnacht M,Walch A,Kroiss M

更新日期：2018-03-01 00:00:00

abstract：:Dexamethasone-induced changes in insulin and epidermal growth factor (EGF) receptor number, autophosphorylation, and kinase activity were studied in intact rat hepatocytes. Hepatocytes were freshly isolated from Sprague-Dawley rats treated with dexamethasone (1 mg/kg) for 4 days and from untreated littermates. Dexamet...

journal_title：Endocrinology

authors： Karasik A,Kahn CR

更新日期：1988-11-01 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：:Specific triiodothyronine receptor activity has been detected in rat lung nuclei isolated by Triton X-100, which was sensitive to pH and exhibited temperature-dependent association kinetics. This activity represented a single order of high affinity binding sites, with an apparent dissociation constant for 3,3',5-triio...

journal_title：Endocrinology

authors： Morishige WK,Guernsey DL

更新日期：1978-05-01 00:00:00

abstract：:IGF-binding protein-3 (IGFBP-3) is the major circulating carrier protein for IGF, and also acts as a potent antiproliferative agent in various cell types. Recently, IGFBP-3 was reported to mediate high glucose-induced apoptosis in mesangial cells and podocytes. In this study, we investigated the role of IGFBP-3 in hig...

journal_title：Endocrinology

authors： Yoo EG,Lee WJ,Kim JH,Chae HW,Hyun SE,Kim DH,Kim HS,Oh Y

更新日期：2011-08-01 00:00:00

abstract：:UMR106-06 cells predominantly express the C1a isoform of the rat calcitonin (CT) receptor (CTR). We have compared the homologous regulation of the C1a CTR endogenously expressed in UMR106-06 cells with the cloned C1a CTR in transfected HEK 293 cells, in which expression is driven by a heterologous promoter. It was fou...

journal_title：Endocrinology

authors： Findlay DM,Houssami S,Christopoulos G,Sexton PM

更新日期：1996-11-01 00:00:00

abstract：:The steroid hormone 1 alpha,25-dihydroxyvitamin D3 [1,25-(OH)2D3] can elicit biological responses via a nongenomic pathway that involves rapid opening of the plasma membrane Ca2+ channels. There is also evidence that 1,25-(OH)2D3 influences insulin secretion in the pancreatic beta-cell, which is primarily mediated by ...

journal_title：Endocrinology

authors： Sergeev IN,Rhoten WB

更新日期：1995-07-01 00:00:00

abstract：:Increased matrix extracellular phosphoglycoprotein (MEPE) expression occurs in several phosphate and bone-mineral metabolic disorders. To resolve whether MEPE plays a role, we created a murine model overexpressing MEPE protein (MEPE tgn) in bone. MEPE tgn mice displayed a growth and mineralization defect with altered ...

journal_title：Endocrinology

authors： David V,Martin A,Hedge AM,Rowe PS

更新日期：2009-09-01 00:00:00

abstract：:The purpose of these studies was to determine whether changes in FSH receptors correlated with FSH-induced attenuation of FSH-responsive adenylyl cyclase in immature porcine granulosa cells. Cells were incubated with FSH (1-1000 ng/ml) for up to 24 h, treated with acidified medium (pH 3.5) to remove FSH bound to cells...

journal_title：Endocrinology

authors： Ford KA,LaBarbera AR

更新日期：1988-11-01 00:00:00