Microculture system for studying monolayers of functional beta-cells.

abstract：:Using a Leydig tumor cell line (MA-10) transiently transfected with the human lutropin receptor (hLHR) and mutants thereof, we examined the identity of the G proteins activated by the agonist-engaged hLHR-wild type (wt) and by three of its naturally occurring constitutively active mutants. Two of the mutants examined,...

journal_title：Endocrinology

authors： Hirakawa T,Ascoli M

更新日期：2003-09-01 00:00:00

abstract：:The effects of insulin and glucose, alone and combined, on diacylglycerol (DAG), protein kinase-C (PKC), and glucose transport were compared in rat adipocytes and solei incubated in medium containing 0-20 mM glucose. In both tissues insulin rapidly stimulated [3H]DAG production from [3H]glycerol; extracellular glucose...

journal_title：Endocrinology

authors： Hoffman JM,Ishizuka T,Farese RV

更新日期：1991-06-01 00:00:00

abstract：:Multiple interferon (IFN)-tau genes exist in cattle, but it has remained unclear how many are expressed, the extent of their variation, and whether different genes exhibit similar patterns of expression and code for proteins with similar biological activities. A total of 118 complementary DNA (cDNA) were bi-directiona...

journal_title：Endocrinology

authors： Ealy AD,Larson SF,Liu L,Alexenko AP,Winkelman GL,Kubisch HM,Bixby JA,Roberts RM

更新日期：2001-07-01 00:00:00

abstract：:The roles of steroids in zebrafish sex differentiation, gonadal development, and function of the adult gonad are poorly understood. Herein, we used ferredoxin 1b (fdx1b) mutant zebrafish to explore such processes. Fdx1b is an essential electron-providing cofactor to mitochondrial steroidogenic enzymes, which are cruci...

journal_title：Endocrinology

authors： Oakes JA,Li N,Wistow BRC,Griffin A,Barnard L,Storbeck KH,Cunliffe VT,Krone NP

更新日期：2019-10-01 00:00:00

abstract：:The guinea pig adrenal cortex is grossly composed of two regions: an outer, yellow zone and an inner, brown zone. These zones, which represent 33% and 66% of the total adrenocortical volume, respectively, can be separated by blunt dissection. It has been previously reported that specific pregnenolone and pregnenolone ...

journal_title：Endocrinology

authors： Strott CA,Goff AK,Lyons CD

更新日期：1981-12-01 00:00:00

abstract：:The active form of vitamin D, 1,25-dihydroxyvitamin D3, [1,25(OH)2D3] has potent actions on innate and adaptive immunity. Although endocrine synthesis of 1,25(OH)2D3 takes place in the kidney, the enzyme that catalyzes this, 25-hydroxyvitamin D-1alpha-hydroxylase (CYP27b1 in humans, Cyp27b1 in mice), is expressed at m...

journal_title：Endocrinology

authors： Liu N,Nguyen L,Chun RF,Lagishetty V,Ren S,Wu S,Hollis B,DeLuca HF,Adams JS,Hewison M

更新日期：2008-10-01 00:00:00

abstract：:Steroids mediate the gonadotropic stimulus of oocyte maturation in fish and amphibians. Such a role of steroids in mammals has not been confirmed until recently. A series of studies presented data suggesting that steroids might be involved in meiosis of mouse oocytes. Here we examined this suggestion using in vitro cu...

journal_title：Endocrinology

authors： Motola S,Popliker M,Tsafriri A

更新日期：2007-09-01 00:00:00

abstract：:After incubation with 0.5 mM isobutylmethylxanthine, 1 microM dexamethasone, and 1 microM insulin for 72 h, 3T3-L1 cells acquire the phenotypic characteristics of mature adipocytes, including a hormone-sensitive particulate cAMP phosphodiesterase activity. In addition, adipocytes contain soluble cAMP and calmodulin-se...

journal_title：Endocrinology

authors： Elks ML,Manganiello VC,Vaughan M

更新日期：1984-10-01 00:00:00

abstract：:SH2B1 is an SH2 domain-containing adaptor protein that plays a key role in the regulation of energy and glucose metabolism in both rodents and humans. Genetic deletion of SH2B1 in mice results in obesity and type 2 diabetes. Single-nucleotide polymorphisms in the SH2B1 loci and chromosomal deletions of the SH2B1 loci ...

journal_title：Endocrinology

authors： Morris DL,Cho KW,Rui L

更新日期：2010-08-01 00:00:00

abstract：:A study was conducted to determine the influence of conditions known to alter ACTH secretion on prolactin release by the pituitary. Dexamethasone or 0.9% NaCl was injected subcutaneously into intact male rats 4 hr before a 2-min ether stress. Other rats were submitted to the ether stress 2 weeks following adrenalectom...

journal_title：Endocrinology

authors： Harms PG,Langlier P,McCann SM

更新日期：1975-02-01 00:00:00

abstract：:The dissociation kinetics of uterine estradiol receptor (UER) from young, middle-aged, and old mice have been studied in vitro and correlated with interactions of the steroid receptor with nuclear suspensions in a cell-free system. Furthermore, we have determined in these various age groups of mice the concentration o...

journal_title：Endocrinology

authors： Belisle S,Bellabarba D,Lehoux JG,Robel P,Baulieu EE

更新日期：1986-02-01 00:00:00

abstract：:Hydrogen peroxide acts as electron acceptor in the oxidative reactions (iodination and coupling) by which the thyroid hormones are formed. Regulation of the generation of H2O2 was studied in monolayer cultures of the FRTL-5 rat thyroid cell line and in primary monolayer cultures of porcine thyroid cells. Both cell typ...

journal_title：Endocrinology

authors： Björkman U,Ekholm R

更新日期：1992-01-01 00:00:00

abstract：:We have recently identified gonadotropes as target cells for ATP action via ATP receptors of the P2U subtype. The present studies have used gonadotrope-derived alpha T3-1 cells to examine the possible signaling mechanisms subserving ATP action in gonadotropes. Addition of ATP produced a biphasic intracellular Ca2+ (Ca...

journal_title：Endocrinology

authors： Chen ZP,Kratzmeier M,Poch A,Xu S,McArdle CA,Levy A,Mukhopadhyay AK,Lightman SL

更新日期：1996-01-01 00:00:00

abstract：:GH and IGF-I control over 80% of postnatal growth. We recently established that TNFalpha impairs the ability of IGF-I to increase protein synthesis and promote expression of myogenin in myoblasts. Here we extend these results by showing that ceramide, a second messenger in both TNFalpha and IL-1beta receptor signaling...

journal_title：Endocrinology

authors： Strle K,Broussard SR,McCusker RH,Shen WH,Johnson RW,Freund GG,Dantzer R,Kelley KW

更新日期：2004-10-01 00:00:00

abstract：:7B2 is a novel neuroendocrine polypeptide which belongs to an entirely new superfamily of proteins. In extension of previous reports on 7B2, these studies concern its expression in endocrine pancreatic tissue. They have been performed using specific antibodies prepared against two distinct synthetic fragments of 7B2 c...

journal_title：Endocrinology

authors： Benjannet S,Marcinkiewicz M,Falgueyret JP,Johnson DE,Seidah NG,Chrétien M

更新日期：1988-08-01 00:00:00

abstract：:The initial steps involved in mediating the transduction of PTH signal via its G protein-coupled receptors are well understood and occur through the activation of cAMP and phospholipase C pathways. However, the cellular and molecular mechanisms for subsequent receptor desensitization are less well understood. Recently...

journal_title：Endocrinology

authors： Miles RR,Sluka JP,Santerre RF,Hale LV,Bloem L,Boguslawski G,Thirunavukkarasu K,Hock JM,Onyia JE

更新日期：2000-01-01 00:00:00

abstract：:PRL levels during the estrous cycle have been reported to be low, with the notable exception of the afternoon proestrous surge. The present study was designed to evaluate the pulsatile pattern of PRL secretion during the low secretory phases of the cycle. Animals were bled at 3-min intervals for 150 min during proestr...

journal_title：Endocrinology

authors： López FJ,Dominguez JR,Sánchez-Criado JE,Negro-Vilar A

更新日期：1989-01-01 00:00:00

abstract：:Several lines of indirect evidence suggest that a monocyte family precursor gives rise to the osteoclast, although this hypothesis is controversial. Starting with a uniform population of nonspecific esterase positive, tartrate-sensitive, acid phosphatase-producing, mannose receptor-bearing mononuclear cells, prepared ...

journal_title：Endocrinology

authors： Alvarez JI,Teitelbaum SL,Blair HC,Greenfield EM,Athanasou NA,Ross FP

更新日期：1991-05-01 00:00:00

abstract：:A method to prepare suspension cultures of highly viable pinealocytes is described. Pineal glands of neonatal or adult rats can be used; the best yield is obtained from neonatal glands. Morphological examination of the cells indicates that they have a normal, healthy appearance and retain some structures typical of ne...

journal_title：Endocrinology

authors： Buda M,Klein DC

更新日期：1978-10-01 00:00:00

abstract：:Using a sensitive method for the simultaneous measurement of TSH subunit mRNAs, we have investigated their hormonal regulation in the pituitary glands of normal and hypothyroid rats. Oligodeoxyribonucleotides (probes) complementary to coding regions of rat alpha- and TSH beta-subunit mRNAs were synthesized. These prob...

journal_title：Endocrinology

authors： Carr FE,Ridgway EC,Chin WW

更新日期：1985-09-01 00:00:00

abstract：:To investigate the respective role in PRL secretion of gamma-aminobutyric acid (GABA), either derived from the central nervous system or circulating in plasma, experiments were performed using ethanolamine-O-sulfate (EOS), a specific inhibitor of GABA catabolism. Intracerebroventricular injection of EOS (2 mg/kg) indu...

journal_title：Endocrinology

authors： Apud JA,Racagni G,Iuliano E,Cocchi D,Casanueva F,Müller EE

更新日期：1981-04-01 00:00:00

abstract：:The binding properties of the gamma-emitting 125I-labeled 11 beta-methoxy analog of 16 alpha-iodoestradiol, 11 beta-methoxy-16 alpha-iodoestradiol (MIE2), were characterized for its use in vivo as a ligand for the measurement and localization of estrogen-binding sites. In binding displacement studies, MIE2 bound to ra...

journal_title：Endocrinology

authors： Brown TJ,MacLusky NJ,Toran-Allerand CD,Zielinski JE,Hochberg RB

更新日期：1989-05-01 00:00:00

abstract：:Nitric oxide (NO) has emerged as a potent regulator useful in alleviating estrogen deficiency bone loss. Osteoprotegerin (OPG) and receptor activator of nuclear factor-kappaB ligand (RANKL) play important roles in regulating osteoclastogenesis. Although recent studies have reported NO donor attenuation of bone loss, t...

journal_title：Endocrinology

authors： Wang FS,Wang CJ,Chen YJ,Huang YT,Huang HC,Chang PR,Sun YC,Yang KD

更新日期：2004-05-01 00:00:00

abstract：:Tobacco smoking favorably influences the course of Hashimoto thyroiditis, possibly through the antiinflammatory proprieties of nicotine. In this study we tested anatabine, another tobacco alkaloid, in a model of experimental autoimmune thyroiditis. Experimental autoimmune thyroiditis was induced by different doses of ...

journal_title：Endocrinology

authors： Caturegli P,De Remigis A,Ferlito M,Landek-Salgado MA,Iwama S,Tzou SC,Ladenson PW

更新日期：2012-09-01 00:00:00

abstract：:Growth hormone-releasing factor-like immunoreactivity (GRF-LI) was detected in partially purified extracts of rat hypothalamus and duodenum with a highly specific RIA for rat GRF (rGRF). The concentration of rGRF-LI in the rat hypothalamus was 32.5 fmol/mg dry weight (455 fmol or 3.18 ng/region), while the rat duodenu...

journal_title：Endocrinology

authors： Bruhn TO,Mason RT,Vale WW

更新日期：1985-10-01 00:00:00

abstract：:Thyroid hormone is essential for normal proliferation and differentiation of chondrocytes. Thus, untreated congenital hypothyroidism is marked by severe short stature. The monocarboxylate transporter 8 (MCT8) is a highly specific transporter for thyroid hormone. The hallmarks of Allan-Herndon-Dudley syndrome, caused b...

journal_title：Endocrinology

authors： Abe S,Namba N,Abe M,Fujiwara M,Aikawa T,Kogo M,Ozono K

更新日期：2012-08-01 00:00:00

abstract：:After reproductive senescence or gonadectomy, changes occur in neural gene expression, ultimately altering brain function. The endocrine mechanisms underlying these changes in gene expression beyond immediate hormone loss are poorly understood. To investigate this, we measured changes in gene expression the dorsal str...

journal_title：Endocrinology

authors： Meitzen J,Perry AN,Westenbroek C,Hedges VL,Becker JB,Mermelstein PG

更新日期：2013-05-01 00:00:00

abstract：:We previously showed that receptor-like protein tyrosine phosphatase (RPTP)-alpha inhibited insulin-increased prolactin gene transcription. Others suggested that RPTPalpha was a key intermediary between integrins and activation of Src. We present evidence that inhibition of insulin-increased prolactin gene transcripti...

journal_title：Endocrinology

authors： Vulin AI,Jacob KK,Stanley FM

更新日期：2005-08-01 00:00:00

abstract：:Analyses of FSH secretion suggest pulsatile, nonpulsatile, or compositely pulsatile and nonpulsatile release modes. This may reflect the reduced signal-to-noise ratio inherent in FSH pulse estimation procedures and/or immunological-biological assay inconsistencies. To address these issues, we sampled cavernous sinus a...

journal_title：Endocrinology

authors： Clarke I,Moore L,Veldhuis J

更新日期：2002-01-01 00:00:00

abstract：:Arginine-vasopressin (AVP) is known to be involved in maintaining glucose homeostasis, and AVP-resistance is observed in poorly controlled non-insulin-dependent diabetes mellitus subjects, resulting in a lowered plasma volume. Recently we reported that V1a vasopressin receptor-deficient (V1aR(-/-)) mice exhibited a de...

journal_title：Endocrinology

authors： Aoyagi T,Birumachi J,Hiroyama M,Fujiwara Y,Sanbe A,Yamauchi J,Tanoue A

更新日期：2007-05-01 00:00:00