Nitric oxide production by cultured rat Leydig cells.

abstract：:The plasma osteocalcin (OC) concentration correlates with histological parameters of bone formation and has been used as an index of osteoblast activity. Although the rate of OC synthesis is likely to be a major determinant of the plasma OC level, the contribution of other processes, for example, OC plasma clearance, ...

journal_title：Endocrinology

authors： Fortune CL,Farrugia W,Tresham J,Scoggins BA,Wark JD

更新日期：1989-06-01 00:00:00

abstract：:The actions of IGF-I and IGF-II are thought to be largely due to their activation of the IGF-I receptor. However, IGF-II can also bind with high affinity to, and effectively activate, an isoform of the insulin receptor (IR-A) that lacks a sequence at the carboxyl-terminal end of the extracellular alpha subunit due to ...

journal_title：Endocrinology

authors： Denley A,Brierley GV,Carroll JM,Lindenberg A,Booker GW,Cosgrove LJ,Wallace JC,Forbes BE,Roberts CT Jr

更新日期：2006-02-01 00:00:00

abstract：:The brain has traditionally been considered to be a target site of peripheral steroid hormones. By contrast, new findings over the past decade have shown that the brain itself also has the capability of forming steroids de novo, the so-called neurosteroids. De novo neurosteroidogenesis in the brain from cholesterol is...

journal_title：Endocrinology

authors： Tsutsui K

更新日期：2008-06-01 00:00:00

abstract：:A highly conserved region in the PTH promoter was identified using the basic local alignment search tool (BLAST) 2 Sequences comparison. Strong specific complexes were observed with a DNA probe that contained much of the computer-derived conserved sequence in the EMSA using bovine parathyroid gland (bPTG) nuclear extr...

journal_title：Endocrinology

authors： Alimov AP,Langub MC,Malluche HH,Koszewski NJ

更新日期：2003-07-01 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：:The FOXO family of forkhead transcription factors stimulates the transcription of target genes involved in many fundamental cell processes, including cell survival, cell cycle progression, DNA repair, and insulin sensitivity. The activity of FOXO proteins is principally regulated by activation of protein kinase B (PKB...

journal_title：Endocrinology

authors： Tsai WC,Bhattacharyya N,Han LY,Hanover JA,Rechler MM

更新日期：2003-12-01 00:00:00

abstract：:Specific retinoid X receptor (RXR) agonists, such as LG100268 (LG268), and the thiazolidinedione (TZD) PPARgamma agonists, such as rosiglitazone, produce insulin sensitization in rodent models of insulin resistance and type 2 diabetes. In sharp contrast to the TZDs that produce significant increases in body weight gai...

journal_title：Endocrinology

authors： Leibowitz MD,Ardecky RJ,Boehm MF,Broderick CL,Carfagna MA,Crombie DL,D'Arrigo J,Etgen GJ,Faul MM,Grese TA,Havel H,Hein NI,Heyman RA,Jolley D,Klausing K,Liu S,Mais DE,Mapes CM,Marschke KB,Michellys PY,Montrose-Rafi

更新日期：2006-02-01 00:00:00

abstract：:The first mutation in a gene associated with a neuronal migration disorder was identified in patients with Kallmann Syndrome, characterized by hypogonadotropic hypogonadism and anosmia. This pathophysiological association results from a defect in the development of the GnRH and the olfactory system. A recent genetic s...

journal_title：Endocrinology

authors： Hutchins BI,Kotan LD,Taylor-Burds C,Ozkan Y,Cheng PJ,Gurbuz F,Tiong JD,Mengen E,Yuksel B,Topaloglu AK,Wray S

更新日期：2016-05-01 00:00:00

abstract：:Sodium vanadate, an agent known to have multiple cellular actions, was studied for its effects on aspects of bone formation in cultures of 21-day-old fetal rat calvariae. Vanadate (0.1-10 microM) stimulated the incorporation of [3H] thymidine into acid-insoluble residues (DNA); the effect appeared after 3 h and was su...

journal_title：Endocrinology

authors： Canalis E

更新日期：1985-03-01 00:00:00

abstract：:In this study, site-directed mutagenesis and biochemical strategies have been used to establish whether disulfide bonding between extracellular Cys residues contributes to the structural integrity of the GnRH receptor (GnRH-R) and, if so, to delineate the nature of the bonding patterns involved. The majority of G prot...

journal_title：Endocrinology

authors： Cook JV,Eidne KA

更新日期：1997-07-01 00:00:00

abstract：:We have used immunohistochemistry to define the cellular distribution of GH receptors in the gastrointestinal tract (GIT) and its derivatives. Immunohistochemistry was performed in the adult rat GIT with a panel of characterized monoclonal antibodies to the GH receptor. The most intense and heterogeneous immunoreactiv...

journal_title：Endocrinology

authors： Lobie PE,Breipohl W,Waters MJ

更新日期：1990-01-01 00:00:00

abstract：:The insulin-like growth factor I (IGF-I) receptor is a transmembrane tyrosine kinase that mediates the growth-promoting effects of IGF-I and IGF-II. Changes in IGF-I receptor messenger RNA levels are reflected in cell surface receptor number, and modulation of IGF-I receptor levels affects tumorigenicity in numerous c...

journal_title：Endocrinology

authors： Tajinda K,Carroll J,Roberts CT Jr

更新日期：1999-10-01 00:00:00

abstract：:Previous studies have shown that the adenylyl cyclase of intact granulosa cells from immature porcine follicles has a uniquely prolonged responsiveness to FSH and an atypically poor responsiveness to cholera toxin relative to other cells. The present studies were designed to determine if these characteristics were due...

journal_title：Endocrinology

authors： Hunzicker-Dunn M,LaBarbera AR

更新日期：1986-01-01 00:00:00

abstract：:We have examined expression of the chicken PRL receptor (cPRLR) gene in different tissues of the chicken by Northern blot analysis. Most tissues examined (ovary, testis, oviduct, kidney, and fat) possess a prominent full-length (4.6-kb) cPRLR transcript. A larger (11.7-kb) transcript is also detected in ovary, oviduct...

journal_title：Endocrinology

authors： Mao JN,Burnside J,Li L,Tang J,Davolos C,Cogburn LA

更新日期：1999-03-01 00:00:00

abstract：:GnRH was first identified as the hypothalamic decapeptide that promotes gonadotropin release from pituitary gonadotropes. Thereafter, direct stimulatory and inhibitory effects of GnRH on cell proliferation were demonstrated in a number of types of primary cultured cells and established cell lines. Recently, the effect...

journal_title：Endocrinology

authors： Enomoto M,Utsumi M,Park MK

更新日期：2006-01-01 00:00:00

abstract：:In a previous study we found that PTH stimulated bone resorption and release of insulin-like growth factor-I (IGF-I) and IGF-II from cultured neonatal mouse calvaria. Since IGF-I and IGF-II stimulate osteoblast proliferation and collagen synthesis, these results suggested that increased release of IGFs during resorpti...

journal_title：Endocrinology

authors： Linkhart TA,Keffer MJ

更新日期：1991-03-01 00:00:00

abstract：:Male Wistar rats were treated with 50 mg 3,3',4,4'-tetrachlorobiphenyl (TCB)/kg BW or vehicle. After 4 days, the livers were isolated and perfused for 90 min with 2 nM [125I]T3 or 10 nM [125I]T4 in Krebs-Ringer medium containing 1% albumin. Deiodination and conjugation products and remaining substrates were determined...

journal_title：Endocrinology

authors： Beetstra JB,van Engelen JG,Karels P,van der Hoek HJ,de Jong M,Docter R,Krenning EP,Hennemann G,Brouwer A,Visser TJ

更新日期：1991-02-01 00:00:00

abstract：:During in vitro maturation of porcine cumulus cell-oocyte complexes and in vitro luteinization of porcine granulosa cells, FSH induces the expression of the protease TNFα-converting enzyme/A disintegrin and metalloproteinase domain 17 (TACE/ADAM17) and the epidermal growth factor (EGF)-like factors, which activate the...

journal_title：Endocrinology

authors： Yamashita Y,Okamoto M,Ikeda M,Okamoto A,Sakai M,Gunji Y,Nishimura R,Hishinuma M,Shimada M

更新日期：2014-03-01 00:00:00

abstract：:This study was undertaken to examine short photoperiod (SD; 8 h of light, 16 h of darkness)-induced alterations in reproductive endocrine and neuroendocrine parameters in the male white-footed mouse, Peromyscus leucopus. Exposure to SD for 8 weeks caused dramatic reductions in testis and seminal vesicle weights, decre...

journal_title：Endocrinology

authors： Glass JD,Ferreira S,Deaver DR

更新日期：1988-08-01 00:00:00

abstract：:Recent evidence suggests that the aromatization of testosterone to estrogen is important for the organizing effects of neonatal testosterone on neuroendocrine responses to acute challenges. However, the extent to which neonatal inhibition of aromatase alters the stress-induced activation of neural pathways has not bee...

journal_title：Endocrinology

authors： Bingham B,Wang NX,Innala L,Viau V

更新日期：2012-04-01 00:00:00

abstract：:The regulation of cholecystokinin octapeptide (CCK-8) secretion was studied using a fetal cerebral cortical cell culture system. After 2-3 weeks in culture, the cells were utilized for short-term release experiments. CCK-8 was measured by RIA and its identity was confirmed by HPLC. Depolarization of the cells with K+ ...

journal_title：Endocrinology

authors： Abucham J,Reichlin S

更新日期：1991-12-01 00:00:00

abstract：:Excess of glucocorticoids (GCs) is a leading cause of bone fragility, and therapeutic targets are sorely needed. We report that genetic deletion or pharmacological inhibition of proline-rich tyrosine kinase 2 (Pyk2) prevents GC-induced bone loss by overriding GC effects of detachment-induced bone cell apoptosis (anoik...

journal_title：Endocrinology

authors： Sato AY,Cregor M,McAndrews K,Li T,Condon KW,Plotkin LI,Bellido T

更新日期：2019-07-01 00:00:00

abstract：:In the pituitary, GABA regulates the release of several hormones via different receptors. GABA(C) receptors are heterooligomers that differ from GABA(A) receptors in that they contain p-subunits and are insensitive to bicuculline. However, molecular and functional evidence for the presence of GABA(C) receptors outside...

journal_title：Endocrinology

authors： Boue-Grabot E,Taupignon A,Tramu G,Garret M

更新日期：2000-05-01 00:00:00

abstract：:We have examined the effects of a new synthetic inhibitor of mammalian tissue collagenase, CI-1 (N-[3-N-(benzyloxycarbonyl)amino-1-(R)carboxypropyl]L-leucyl-O-methyl-L- tyrosine N-methylamide; G. D. Searle SC 40827), and a general metalloproteinase inhibitor, 1,10-phenanthroline, on ovulation, as judged by the observa...

journal_title：Endocrinology

authors： Brännström M,Woessner JF Jr,Koos RD,Sear CH,LeMaire WJ

更新日期：1988-05-01 00:00:00

abstract：:Osteoclast precursors have not been well characterized because there are no known markers that can detect them. We have used osteoclast-like cells formed in vitro to develop a panel of specific antibodies that react with mature osteoclasts, osteoclast precursors, and other cells in the osteoclast lineage. Monoclonal a...

journal_title：Endocrinology

authors： Kukita T,Roodman GD

更新日期：1989-08-01 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：:The recently discovered estrogen receptor-beta (ERbeta) is expressed in rodent and human testes. To obtain insight in the physiological role of ERbeta we have investigated the cell type-specific expression pattern of ERbeta messenger RNA (mRNA) and protein in the testis of rats of various ages by in situ hybridization...

journal_title：Endocrinology

authors： van Pelt AM,de Rooij DG,van der Burg B,van der Saag PT,Gustafsson JA,Kuiper GG

更新日期：1999-01-01 00:00:00

abstract：:6-Phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB) catalyzes the synthesis and degradation of fructose-2,6-bisphosphate, a key modulator of glycolysis-gluconeogenesis. To gain insight into the molecular mechanism behind hormonal and nutritional regulation of PFKFB expression, we have cloned and characterized...

journal_title：Endocrinology

authors： Metón I,Egea M,Anemaet IG,Fernández F,Baanante IV

更新日期：2006-07-01 00:00:00

abstract：:Recently, we demonstrated that estradiol (E(2)) modulates cross-talk between protein tyrosine kinases and norepinephrine (NE) receptor signaling in the hypothalamus (HYP) and preoptic area (POA), brain areas that govern female reproductive function. We are now investigating the identity of protein tyrosine kinase(s) t...

journal_title：Endocrinology

authors： Quesada A,Etgen AM

更新日期：2001-02-01 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