Increased plasma prolactin levels in ovariectomized thyroidectomized rats treated with estrogen.

abstract：:It is well established that in the pituitary gland corticotropin-releasing hormone (CRH) stimulates the release of beta-endorphin (beta-E) via a cAMP-linked mechanism. Studies of the mechanisms underlying the CRH stimulation of beta-E release from rat hypothalamic slices perifused in vitro are reported in this paper. ...

journal_title：Endocrinology

authors： Burns G,Almeida OF,Passarelli F,Herz A

更新日期：1989-09-01 00:00:00

abstract：:Previously, a human CYP3A4-transgenic (Tg-CYP3A4) mouse line was reported to exhibit enhanced metabolism of midazolam by cytochrome P450 3A4 (CYP3A4) expressed in small intestine. Here we show that expression of CYP3A4 and murine cyp3a and cyp2b was both age and sex dependent. CYP3A4 was expressed in the livers of mal...

journal_title：Endocrinology

authors： Yu AM,Fukamachi K,Krausz KW,Cheung C,Gonzalez FJ

更新日期：2005-07-01 00:00:00

abstract：:To define the specific role of IGF-I receptor (IGF-IR) in adipogenic and thermogenic differentiation of brown adipocytes during late fetal life, we have established immortalized brown adipocyte cell lines from fetuses of IGF-IR-deficient mice (IGF-IR(-/-)) as well as from wild-type mice (IGF-IR(+/+)). IGF-IR(-/-) cell...

journal_title：Endocrinology

authors： Mur C,Arribas M,Benito M,Valverde AM

更新日期：2003-02-01 00:00:00

abstract：:The effect of fibroblast growth factor (FGF) on LH-stimulated testosterone production was investigated using primary cultures of rat testicular cells. Testicular cells obtained from neonatal rats (8-9 days of age) were maintained in culture for 3 days and then challenged with LH with or without basic FGF. After 3 addi...

journal_title：Endocrinology

authors： Fauser BC,Baird A,Hsueh AJ

更新日期：1988-12-01 00:00:00

abstract：:Insulin-like growth factor (IGF)-1, IGF binding protein (IGFBP)-2, and IGFBP-3 are expressed in the rat brain in regions of neuronal loss by 3 days after hypoxic- ischemic (HI) brain injury and IGF-2 somewhat later. Central administration of rh-IGF-1 after HI injury reduces neuronal loss in vivo. To clarify the mode o...

journal_title：Endocrinology

authors： Guan J,Williams CE,Skinner SJ,Mallard EC,Gluckman PD

更新日期：1996-03-01 00:00:00

abstract：:Androgens are required for the development and function of the prostate. In a normal human prostate, androgens control the synthesis of proteins such as prostate-specific antigen and human glandular kallikrein. The prostate secretes these proteins as well as a number of other compounds to form the prostatic fluid. Usi...

journal_title：Endocrinology

authors： Prescott JL,Tindall DJ

更新日期：1998-04-01 00:00:00

abstract：:GH promotes the conversion of cultured preadipose 3T3 cells into adipose cells. The serum of most animals also promotes this differentiation. In order to determine the extent to which GH is responsible for the adipogenic activity of serum, we used a specific antiserum able to suppress completely the adipogenic activit...

journal_title：Endocrinology

authors： Nixon T,Green H

更新日期：1984-02-01 00:00:00

abstract：:Maintenance of FSH biosynthesis requires ongoing exposure to pulsatile GnRH. Recent data demonstrate that activin also stimulates FSH biosynthesis. We used a perifused pituitary system to examine regulation of FSH beta mRNA levels by pulsatile GnRH and activin. Hourly pulses of 10 nM GnRH increased FSH beta mRNA level...

journal_title：Endocrinology

authors： Weiss J,Harris PE,Halvorson LM,Crowley WF Jr,Jameson JL

更新日期：1992-09-01 00:00:00

abstract：:The alphaVbeta3 integrin is an important determinant of IGF-I-stimulated receptor phosphorylation and biological actions. Blocking ligand occupancy of alphaVbeta3 with the distintegrin echistatin reduces IGF-I-stimulated receptor phosphorylation, and it inhibits cellular migration and DNA synthesis responses to IGF-I....

journal_title：Endocrinology

authors： Maile LA,Clemmons DR

更新日期：2002-11-01 00:00:00

abstract：:The suprachiasmatic nucleus (SCN) and arcuate nucleus (ARC) have reciprocal connections; catabolic metabolic information activates the ARC and inhibits SCN neuronal activity. Little is known about the influence of the SCN on the ARC. Here, we investigated whether the SCN modulated the sensitivity of the ARC to catabol...

journal_title：Endocrinology

authors： Herrera-Moro Chao D,León-Mercado L,Foppen E,Guzmán-Ruiz M,Basualdo MC,Escobar C,Buijs RM

更新日期：2016-09-01 00:00:00

abstract：:A 50-70% depletion in the anterior pituitary concentration of PRL occurred within 5 min of electrical stimulation of a single abdominal mammary nerve of urethane-anesthetized lactating rats previously nonsuckled for 6-8 h. The stimulus parameters were: 1-msec pulses, 10-20/sec at 5-30 V applied 5 sec on and 10 sec off...

journal_title：Endocrinology

authors： Mena F,Pacheco P,Grosvenor CE

更新日期：1980-02-01 00:00:00

abstract：:The family of CRH-related peptides are suggested to play important roles in the control of myometrial contractility during pregnancy and labor. In this study we investigated the expression of urocortin II (UCN II) in human myometrium and its ability to phosphorylate intracellular components that can be involved in mod...

journal_title：Endocrinology

authors： Karteris E,Hillhouse EW,Grammatopoulos D

更新日期：2004-02-01 00:00:00

abstract：:Several laboratories have reported the presence of an intracellular, high affinity [dissociation constant (Kd), 1-2 nM] antiestrogen-specific binding site in estrogen target tissues. In this report, we describe the binding properties and characteristics of an additional triphenylethylene antiestrogen-binding site in t...

journal_title：Endocrinology

authors： Winneker RC,Guthrie SC,Clark JH

更新日期：1983-05-01 00:00:00

abstract：:The existence of renin in a number of extrarenal tissues has been well documented, but the physiological role of extrarenal renin remains unknown. To study the physiological role of adrenal renin, we developed a serum-free culture system for adrenal capsular/zona glomrulosa explants. Explants showed good viability in ...

journal_title：Endocrinology

authors： Shier DN,Kusano E,Stoner GD,Franco-Saenz R,Mulrow PJ

更新日期：1989-07-01 00:00:00

abstract：:The regulation of TRH gene expression in the paraventricular nucleus of the hypothalamus (PVH) by leptin is critical for normal function of the thyroid axis in rodents and humans. The TRH neuron in the PVH expresses both leptin and melanocortin-4 receptors, suggesting that both signaling systems may regulate TRH gene ...

journal_title：Endocrinology

authors： Guo F,Bakal K,Minokoshi Y,Hollenberg AN

更新日期：2004-05-01 00:00:00

abstract：:Bovine granulosa cells seeded in the presence of serum on extracellular matrix-coated dishes proliferate actively when exposed to serum-free medium supplemented with insulin (2 microgram/ml), fibroblast growth factor (FGF, 100 ng/ml), and high density lipoprotein (HDL, 30 microgram protein/ml). The final density of th...

journal_title：Endocrinology

authors： Savion N,Lui GM,Laherty R,Gospodarowicz D

更新日期：1981-08-01 00:00:00

abstract：:The impact of clinical progestins used in contraception and hormone therapies on the metabolic capacity of the brain has long-term implications for neurological health in pre- and postmenopausal women. Previous analyses indicated that progesterone and 17β-estradiol (E2) sustain and enhance brain mitochondrial energy-t...

journal_title：Endocrinology

authors： Irwin RW,Yao J,Ahmed SS,Hamilton RT,Cadenas E,Brinton RD

更新日期：2011-02-01 00:00:00

abstract：:Swine granulosa cells cultured under serum-free conditions in vitro exhibit significant responsivity to the stimulatory actions of estradiol (E2) and FSH or LH. Under these conditions, granulosa cells harvested from either immature or mature Graafian follicles synthesized significantly increased quantities of progeste...

journal_title：Endocrinology

authors： Veldhuis JD,Gwynne JT,Strauss JF 3rd,Demers LM

更新日期：1984-06-01 00:00:00

abstract：:We have previously shown that placental protein 12 (PP12) is synthesized and secreted by human term pregnancy decidua in vitro. In the present study, fragments of proliferative and secretory phase endometrium were cultured in media in the presence and absence of progesterone (P) and 17 beta-estradiol (E2) for 96 h. Th...

journal_title：Endocrinology

authors： Rutanen EM,Koistinen R,Sjöberg J,Julkunen M,Wahlström T,Bohn H,Seppälä M

更新日期：1986-03-01 00:00:00

abstract：:We have recently demonstrated that GnRH-stimulated gonadotropin secretion is augmented by coadministration with neuropeptide-Y (NPY) in anterior pituitaries removed in the afternoon from proestrous, but not metestrous, rats. To test the hypothesis that these effects of NPY are due to an interaction with progesterone (...

journal_title：Endocrinology

authors： Knox KL,Bauer-Dantoin AC,Levine JE,Schwartz NB

更新日期：1995-01-01 00:00:00

abstract：:Studying the mechanisms for the complex pathogenesis of polycystic ovary syndrome (PCOS) requires animal models with endocrine, reproductive, and metabolic features of the syndrome. Hyperandrogenism seems to be a central factor in PCOS, leading to anovulation and insulin resistance. In female rats, continuous administ...

journal_title：Endocrinology

authors： Maliqueo M,Sun M,Johansson J,Benrick A,Labrie F,Svensson H,Lönn M,Duleba AJ,Stener-Victorin E

更新日期：2013-01-01 00:00:00

abstract：:We have developed and characterized a primary cell culture system to study the regulation of 17 alpha-hydroxylase cytochrome P450 (P45017 alpha) gene expression in bovine thecal cells. Conditions have been established for the dispersal and growth of thecal cells isolated from bovine follicles, which maintain the expre...

journal_title：Endocrinology

authors： Demeter-Arlotto M,Rainey WE,Simpson ER

更新日期：1993-03-01 00:00:00

abstract：:Developmental exposures to phthalates are suspected to contribute to risk of metabolic syndrome. However, findings from human studies are inconsistent, and long-term metabolic impacts of early-life phthalate and phthalate mixture exposures are not fully understood. Furthermore, most animal studies investigating metabo...

journal_title：Endocrinology

authors： Neier K,Cheatham D,Bedrosian LD,Gregg BE,Song PXK,Dolinoy DC

更新日期：2019-07-01 00:00:00

abstract：:The very low density lipoprotein/apolipoprotein-E receptor (VLDLR) is the newest member of the low density lipoprotein receptor (LDLR) family. Very little is known about VLDLR localization and regulation. Immunohistochemical analysis of human placenta with a specific polyclonal antibody detected VLDLR in syncytiotroph...

journal_title：Endocrinology

authors： Wittmaack FM,Gåfvels ME,Bronner M,Matsuo H,McCrae KR,Tomaszewski JE,Robinson SL,Strickland DK,Strauss JF 3rd

更新日期：1995-01-01 00:00:00

abstract：:We demonstrated previously that glucocorticoids differentially affect the levels of the two pituitary gonadotropins, LH and FSH, both in vivo and in vitro. In vivo, the effect of glucocorticoids is GnRH independent, indicating a direct action on the gonadotrope, and it leads to selective up-regulation of the pituitary...

journal_title：Endocrinology

authors： Kilen SM,Szabo M,Strasser GA,McAndrews JM,Ringstrom SJ,Schwartz NB

更新日期：1996-09-01 00:00:00

abstract：:Several studies have revealed a variety of interactions between PTH and ACTH. The existence of a significant area of homology in the bioactive regions of the two molecules has been proposed as a possible reason for such interactions. To clarify the relationship, corticosteroidogenic and cAMP accumulative effects of bo...

journal_title：Endocrinology

authors： Rafferty B,Zanelli JM,Rosenblatt M,Schulster D

更新日期：1983-09-01 00:00:00

abstract：:In the bovine ovary, thecal cells are the only cell type capable of expressing the CYP17 gene in response to LH. With the onset of ovulation and luteinization in the cow, there is complete loss of P450c17alpha expression. To characterize the molecular mechanisms involved in tissue-specific regulation of the CYP17 gene...

journal_title：Endocrinology

authors： Borroni R,Liu Z,Simpson ER,Hinshelwood MM

更新日期：1997-05-01 00:00:00

abstract：:The effects of endothelin-1 (ET-1), a potent vasoconstrictor and mitogen to various cell types, on proliferation and differentiated functions of the murine Leydig tumor cell line MA-10 were investigated. Kinetic binding experiments at room temperature showed that [125I] ET-1 bound to MA-10 cells and reached equilibriu...

journal_title：Endocrinology

authors： Ergul A,Glassberg MK,Majercik MH,Puett D

更新日期：1993-02-01 00:00:00

abstract：:Skeletal cells synthesize bone morphogenetic proteins (BMPs) and BMP antagonists. Gremlin, a BMP antagonist, is expressed in osteoblasts and opposes BMP effects on osteoblastic differentiation and function in vitro. However, its effects in vivo are not known. To investigate the actions of gremlin on bone remodeling in...

journal_title：Endocrinology

authors： Gazzerro E,Pereira RC,Jorgetti V,Olson S,Economides AN,Canalis E

更新日期：2005-02-01 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