Delayed puberty in spontaneously hypertensive rats involves a primary ovarian failure independent of the hypothalamic KiSS-1/GPR54/GnRH system.

abstract：:Androgens play a critical role in the development and progression of prostate cancer (PCa), and androgen deprivation therapy via surgical or medical castration is front-line therapy for patients with advanced PCa. However, intratumoral testosterone levels are elevated in metastases from patients with castration-resist...

journal_title：Endocrinology

authors： Cho E,Montgomery RB,Mostaghel EA

更新日期：2014-11-01 00:00:00

abstract：:Activin A is a member of the transforming growth factor-beta family of growth factors and a potent regulator of cellular activity. A number of binding proteins for activin A have been identified, including alpha 2-macroglobulin (alpha 2M). Alpha 2M has several conformational states that are known to have different gro...

journal_title：Endocrinology

authors： Niemuller CA,Randall KJ,Webb DJ,Gonias SL,LaMarre J

更新日期：1995-12-01 00:00:00

abstract：:Adrenomedullin (AM), a potent and novel vasodilator 52-residue peptide originally isolated from pheochromocytoma, is processed from a precursor molecule (preproAM) in which another unique 20-residue sequence, termed proadrenomedullin N-terminal 20 peptide (PAMP), exists. Using [125I Tyr0] rat PAMP as a radioligand, we...

journal_title：Endocrinology

authors： Iwasaki H,Hirata Y,Iwashina M,Sato K,Marumo F

更新日期：1996-07-01 00:00:00

abstract：:The effects of insulin to stimulate metabolic and mitogenic responses were examined in Rat 1 fibroblast cells that overexpressed either normal (HIRc) or kinase-deficient human insulin receptors. When studied at the optimal growth stage for each cell line, insulin-stimulated responses measured in cells containing kinas...

journal_title：Endocrinology

authors： Wong EH,Tan CH,Khoo HE,Ng FH,Lim KL,Ciaraldi TP

更新日期：1995-04-01 00:00:00

abstract：:The CYP11A1 encodes cytochrome P450scc, catalyzing the first step of steroidogenesis in adrenals and gonads under the control of cAMP-mediated hormonal signals. The cAMP-induced activation of human CYP11A1 has been suggested to depend on the transcription factor cAMP-responsive element-binding protein (CREB), but the ...

journal_title：Endocrinology

authors： Guo IC,Huang CY,Wang CK,Chung BC

更新日期：2007-04-01 00:00:00

abstract：:Neonatal exposure to high doses of estrogen results in permanent suppression of prostate growth and reduced sensitivity to androgens in adulthood. It is unclear whether alterations in prostate growth are due to a direct effect of estrogens on the gland or are the result of hypothalamic-pituitary-gonadal axis suppressi...

journal_title：Endocrinology

authors： Jarred RA,Cancilla B,Prins GS,Thayer KA,Cunha GR,Risbridger GP

更新日期：2000-09-01 00:00:00

abstract：:Morphological plasticity in response to estradiol is a hallmark of astrocytes in the arcuate nucleus. The functional consequences of these morphological changes have remained relatively unexplored. Here we report that in the arcuate nucleus estradiol significantly increased the protein levels of the two enzymes in the...

journal_title：Endocrinology

authors： Blutstein T,Baab PJ,Zielke HR,Mong JA

更新日期：2009-07-01 00:00:00

abstract：:We showed that insulin appears in the chick embryo before beta-cells are recognizable, as well as in the egg constituents even before fertilization. Acid-ethanol extracts of 2- to 8-day-old embryos were gel-filtered on Sephadex G-50. The peak of immunoreactive insulin chromatographed in a position corresponding to tha...

journal_title：Endocrinology

authors： De Pablo F,Roth J,Hernandez E,Pruss RM

更新日期：1982-12-01 00:00:00

abstract：:The signals that regulate cardiac myocyte maturation in the neonatal heart are not completely understood. In our study we examined the effects of 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] on primary cultures of ventricular myocytes isolated from neonatal rat hearts. Our data show that 1,25-(OH)2D3 inhibited an increase ...

journal_title：Endocrinology

authors： O'Connell TD,Giacherio DA,Jarvis AK,Simpson RU

更新日期：1995-02-01 00:00:00

abstract：:A serially transplantable, chemically induced pancreatic islet cell tumor was developed in Lewis rats. The original tumor was induced by the administration of streptozotocin and nicotinamide. It was subsequently maintained by ip or sc transplantation of tissue fragments into recipient animals. Tumors generally grew to...

journal_title：Endocrinology

authors： Chick WL,Appel MC,Weir GC,Like AA,Lauris V,Porter JG,Chute RN

更新日期：1980-10-01 00:00:00

abstract：:In vivo, fibroblast growth factor-2 (FGF-2) inhibits longitudinal bone growth. Similarly, activating FGF receptor 3 mutations impair growth in achondroplasia and thanatophoric dysplasia. To investigate the underlying mechanisms, we chose a fetal rat metatarsal organ culture system that would maintain growth plate hist...

journal_title：Endocrinology

authors： Mancilla EE,De Luca F,Uyeda JA,Czerwiec FS,Baron J

更新日期：1998-06-01 00:00:00

abstract：:Arginine-vasopressin (AVP) acts on vasoconstriction and diuresis through two different types of receptors (V1 and V2, respectively). Since AVP also modifies ACTH release, we have attempted to determine which class of receptors mediates the capacity of AVP to increase ACTH secretion and to potentiate the effect of cort...

journal_title：Endocrinology

authors： Rivier C,Rivier J,Mormede P,Vale W

更新日期：1984-09-01 00:00:00

abstract：:In the mouse, there is a large family of paralogous genes closely related to PRL. The objective of this report was to investigate the organization of the mouse PRL gene family locus. PRL family genes reside on chromosome 13 of the mouse genome. The PRL gene family members were localized to a series of overlapping bact...

journal_title：Endocrinology

authors： Wiemers DO,Shao LJ,Ain R,Dai G,Soares MJ

更新日期：2003-01-01 00:00:00

abstract：:We have analyzed the factors responsible for the circadian variation in rat hepatic mRNA-S14. Regulation of this sequence, which is found in lipogenic tissues and encodes a protein (S14) believed to be associated with fatty acid synthesis, is an excellent model of the interaction of thyroid hormone and dietary factors...

journal_title：Endocrinology

authors： Kinlaw WB,Fish LH,Schwartz HL,Oppenheimer JH

更新日期：1987-04-01 00:00:00

abstract：:GnRH peptides in the hypothalami of marsupials (tammar wallaby, short-nosed bandicoot, and eastern quoll) and a monotreme (echidna) were investigated by reverse phase HPLC and RIA with region-specific antisera. In the wallaby hypothalamic extract, a single form of GnRH was present, which eluted in the same position as...

journal_title：Endocrinology

authors： King JA,Mehl AE,Tyndale-Biscoe CH,Hinds L,Millar RP

更新日期：1989-11-01 00:00:00

abstract：:In this study we tested the hypothesis that receptor-mediated transport of urocortin across the blood-brain barrier (BBB) undergoes developmental changes. Urocortin is a peptide produced by both selective brain regions and peripheral organs, and it is involved in feeding, memory, mood, cardiovascular functions, and im...

journal_title：Endocrinology

authors： Hsuchou H,Kastin AJ,Wu X,Tu H,Pan W

更新日期：2010-03-01 00:00:00

abstract：:The expression of short-chain fatty acid receptors GPR41/FFAR3 and GPR43/ free fatty acid receptor 2 (FFAR2) was studied in the gastrointestinal tract of transgenic monomeric red fluorescent protein (mRFP) reporter mice. In the stomach free fatty acid receptor 3 (FFAR3)-mRFP was expressed in a subpopulation of ghrelin...

journal_title：Endocrinology

authors： Nøhr MK,Pedersen MH,Gille A,Egerod KL,Engelstoft MS,Husted AS,Sichlau RM,Grunddal KV,Poulsen SS,Han S,Jones RM,Offermanns S,Schwartz TW

更新日期：2013-10-01 00:00:00

abstract：:The effects of epidermal growth factor (EGF) on glycogen metabolism and the binding of [125I]iodo-EGF to receptors in fetal rat hepatocytes have been examined. The actions of EGF have been compared with those of insulin-like growth factor I (IGF-I) and insulin. EGF (0.1-45 nM) stimulated dose-dependent increases in [1...

journal_title：Endocrinology

authors： Freemark M

更新日期：1986-08-01 00:00:00

abstract：:High plasma levels of estradiol (E2) are associated with use of a place memory system over a response memory system. We examined whether infusing estradiol into the medial prefrontal cortex (mPFC) or anterior cingulate cortex (AC) could affect memory system bias in female rats. We also examined the ultrastructural dis...

journal_title：Endocrinology

authors： Almey A,Cannell E,Bertram K,Filardo E,Milner TA,Brake WG

更新日期：2014-11-01 00:00:00

abstract：:Caveolae and their principal component caveolin have been implicated in playing a major role in G protein-mediated transmembrane signaling. We examined whether caveolin interacts with adenylyl cyclase, an effector of G protein signaling, using a 20-mer peptide derived from the N-terminus scaffolding domain of caveolin...

journal_title：Endocrinology

authors： Toya Y,Schwencke C,Couet J,Lisanti MP,Ishikawa Y

更新日期：1998-04-01 00:00:00

abstract：:Treatment of rat islets with the cytokine IL-1 results in the inhibition of mitochondrial function and insulin secretion, events that are mediated by beta-cell expression of iNOS [inducible nitric oxide (NO) synthase] and production of NO. beta-Cells recover from the inhibitory actions of NO, produced following 24 h i...

journal_title：Endocrinology

authors： Scarim AL,Nishimoto SY,Weber SM,Corbett JA

更新日期：2003-08-01 00:00:00

abstract：:We investigated the effect of TSH on calcium transport in mouse thyroid, as well as the influence of iodide thereupon. Thyroid lobes were incubated in Krebs-Ringer bicarbonate buffer containing [45Ca2+] and the time-dependent uptake of [45Ca2+] by the lobes was observed. In the presence of 0.5 mU/ml TSH, the uptake of...

journal_title：Endocrinology

authors： Hashizume K,Ichikawa K,Komiya I,Onaya T

更新日期：1984-05-01 00:00:00

abstract：:Estrogen formation is catalyzed by the aromatase cytochrome P450 (P450AROM) enzyme. Aromatase activity has been detected in several regions in the rat brain. In the present study, we used peptide-generated polyclonal antibodies raised against a 20-amino acid synthetic fragment of the rat P450AROM protein (as deduced f...

journal_title：Endocrinology

authors： Sanghera MK,Simpson ER,McPhaul MJ,Kozlowski G,Conley AJ,Lephart ED

更新日期：1991-12-01 00:00:00

abstract：:By acting in the brain, insulin suppresses food intake, whereas neuropeptide Y (NPY) has the opposite effect. Since fasting increases NPY gene expression in the hypothalamic arcuate nucleus (ARC) and also lowers circulating insulin levels, we hypothesized that the anorexiant effect of insulin could result from insulin...

journal_title：Endocrinology

authors： Schwartz MW,Marks JL,Sipols AJ,Baskin DG,Woods SC,Kahn SE,Porte D Jr

更新日期：1991-05-01 00:00:00

abstract：:Multiplication-stimulating activity (MSA), an insulin-like growth factor (IGF) (rat IGF II), binds to extracts of many tissues from fetal lambs. We now report the presence of high concentrations of a glycoprotein receptor with a high affinity for MSA-II in microsomes prepared from fetal lamb liver. The binding of radi...

journal_title：Endocrinology

authors： Owens PC,Waters MJ,Thorburn GD,Brinsmead MW

更新日期：1985-09-01 00:00:00

abstract：:We investigated whether genetic selection for growth influences pituitary GH secretion in two strains of rats, LL (large) and SS (small). Animals were bled every 15 min for 6 h via an indwelling atrial Silastic catheter, and GH levels were determined by RIA. LL and SS males displayed a low frequency, high amplitude ep...

journal_title：Endocrinology

authors： O'Sullivan D,Millard WJ,Badger TM,Martin JB,Martin RJ

更新日期：1986-11-01 00:00:00

abstract：:Iodine deficiency (ID) induces TSH-independent microvascular activation in the thyroid via the reactive oxygen species/nitric oxide-hypoxia-inducible factor-1α/vascular endothelial growth factor (VEGF) pathway. We hypothesized the additional involvement of mammalian target of rapamycin (mTOR) as a positive regulator o...

journal_title：Endocrinology

authors： Craps J,Joris V,De Jongh B,Sonveaux P,Horman S,Lengelé B,Bertrand L,Many MC,Colin IM,Gérard AC

更新日期：2016-06-01 00:00:00

abstract：:The corpora lutea of pregnancy in the rat are highly dependent on the action of PRL and PRL-like hormones to hypertrophy and to produce progesterone needed for the maintenance of gestation. Two forms of the PRL receptor (PRL-R), designated as long (PRL-RL) and short (PRL-RS), have been described in rat tissues. To det...

journal_title：Endocrinology

authors： Telleria CM,Parmer TG,Zhong L,Clarke DL,Albarracin CT,Duan WR,Linzer DI,Gibori G

更新日期：1997-11-01 00:00:00

abstract：:Recent evidence suggests that inflammation may be a common underlying cause of many obesity-associated conditions. To test whether obesity changes the response to inflammation, we investigated its effects on the acute phase of the inflammatory response to an endogenous pathogen, lipopolysaccharide (LPS). Diet-induced ...

journal_title：Endocrinology

authors： Pohl J,Woodside B,Luheshi GN

更新日期：2009-11-01 00:00:00

abstract：:In mammals, lactation is associated with a period of infertility characterized by the loss of pulsatile secretion of GnRH and cessation of ovulatory cycles. Despite the importance of lactational infertility in determining overall fecundity of a species, the mechanisms by which the suckling stimulus suppresses GnRH sec...

journal_title：Endocrinology

authors： Liu X,Brown RS,Herbison AE,Grattan DR

更新日期：2014-01-01 00:00:00