The lack of an effect of active immunization with the beta-subunit of chorionic gonadotropin coupled to tetanus toxoid on the growth of human choriocarcinoma maintained in the hamster cheek pouch.

abstract：:Chronically elevated circulating glucocorticoid levels are although to enhance vulnerability to psychopathology. Here we hypothesized that such sustained glucocorticoid levels, disturbing corticosterone pulsatility, attenuate glucocorticoid receptor signaling and target gene responsiveness to an acute challenge in the...

journal_title：Endocrinology

authors： Sarabdjitsingh RA,Isenia S,Polman A,Mijalkovic J,Lachize S,Datson N,de Kloet ER,Meijer OC

更新日期：2010-03-01 00:00:00

abstract：:GH secretion is altered by exercise in humans. In an attempt to investigate the underlying mechanisms, we developed a rodent model. GH secretion was assayed in male and female rats that were sedentary (not exercised), acutely exercised, and chronically exercised. Sedentary males showed typical pulsatile GH secretion. ...

journal_title：Endocrinology

authors： Butkus JA,Brogan RS,Giustina A,Kastello G,Sothmann M,Wehrenberg WB

更新日期：1995-06-01 00:00:00

abstract：:Although implantation of GH3 pituitary epithelial cells has been shown to reverse thymic aging in rats, the differentiation pattern of T-lymphocytes within the reconstituted thymus glands has not been investigated. Syngeneic GH3 cells were implanted into 22-month-old female (old) Wistar-Furth rats. Eight weeks later, ...

journal_title：Endocrinology

authors： Li YM,Brunke DL,Dantzer R,Kelley KW

更新日期：1992-05-01 00:00:00

abstract：:Previous studies have shown that mice missing gp130, the common receptor subunit for many cytokines, die at or before birth with multiple skeletal abnormalities. Furthermore, interactions between PTH and gp130 signaling have suggested that gp130 signaling might influence calcium homeostasis. We, therefore, examined th...

journal_title：Endocrinology

authors： Shin HI,Divieti P,Sims NA,Kobayashi T,Miao D,Karaplis AC,Baron R,Bringhurst R,Kronenberg HM

更新日期：2004-03-01 00:00:00

abstract：:Testicular LH receptor occupancy and steroidogenic responses were measured in adult male rats after intracardiac injections of [125I]iodo-hCG (0.5--5 x 10(6) cpm) mixed with known amounts of nonradioactive hCG to yield doses ranging from 10 ng to 300 micrograms. Uptake of the hormone by the testis was measured in the ...

journal_title：Endocrinology

authors： Huhtaniemi IT,Clayton RN,Catt KJ

更新日期：1982-09-01 00:00:00

abstract：:Leukemia inhibitory factor (LIF) is a pleiotropic cytokine known to control the proliferation and survival of stem cells including primordial germ cells and gonocytes. This led us to study the origin and regulation of testicular LIF. The LIF transcript was detected in the rat testis by RT-PCR from 13.5 days postcoitum...

journal_title：Endocrinology

authors： Piquet-Pellorce C,Dorval-Coiffec I,Pham MD,Jégou B

更新日期：2000-03-01 00:00:00

abstract：:To elucidate the temporal profile of adaptive changes of the islets of Langerhans to the increased insulin demands of pregnancy, we have studied islet cell proliferation and insulin secretion during gestation in the rat. 5-Bromo-2'-deoxyuridine incorporation into dividing islet cells was significantly (P less than 0.0...

journal_title：Endocrinology

authors： Parsons JA,Brelje TC,Sorenson RL

更新日期：1992-03-01 00:00:00

abstract：:The effects of rat CRF, arginine vasopressin (VP), oxytocin (OXY), and isoproterenol (ISO) on the biosynthesis and release of pro-ACTH/endorphin-derived peptides by monolayer cultures of rat anterior pituitary cells in complete serum-free medium (CSFM) were studied. When cells were exposed to hormone for 3 h, CRF, VP,...

journal_title：Endocrinology

authors： Wand GS,Eipper BA

更新日期：1987-03-01 00:00:00

abstract：:Localized expression of cytochromes P450 17 alpha-hydroxylase (P450c17) and aromatase (P450arom) was investigated in embryonic cell layers of elongating porcine blastocysts by immunocytochemistry. Blastocysts were flushed from the uterus on day 12 of pregnancy, fixed in paraformaldehyde, embedded in paraffin, sectione...

journal_title：Endocrinology

authors： Conley AJ,Christenson LK,Ford SP,Christenson RK

更新日期：1994-12-01 00:00:00

abstract：:The effect of osmotic changes on aldosterone production, [Ca2+]i and voltage-gated Ca2+ currents, was studied in cultured rat glomerulosa cells. Alteration of osmolarity by sucrose addition in the 250-330 mosM range did not influence aldosterone production per se, but it substantially affected K+-stimulated aldosteron...

journal_title：Endocrinology

authors： Makara JK,Petheö GL,Tóth A,Spät A

更新日期：2000-05-01 00:00:00

abstract：:The expression of genes encoding key hepatic gluconeogenic enzymes, including phosphoenolpyruvate carboxykinase (PEPCK) and glucose-6-phosphatase (G6Pase), is regulated at the transcriptional level by a network of transcription factors and cofactors, including cAMP response element-binding protein (CREB). It has been ...

journal_title：Endocrinology

authors： Seo HY,Kim MK,Min AK,Kim HS,Ryu SY,Kim NK,Lee KM,Kim HJ,Choi HS,Lee KU,Park KG,Lee IK

更新日期：2010-02-01 00:00:00

abstract：:This study was aimed at testing the hypothesis that different forms of fibronectin (FN), produced as a consequence of the alternative splicing of the precursor messenger RNA, play specific roles during development of the ovarian follicle. In particular, we were interested in determining the effect of the ED-I (also te...

journal_title：Endocrinology

authors： Colman-Lerner A,Fischman ML,Lanuza GM,Bissell DM,Kornblihtt AR,Barañao JL

更新日期：1999-06-01 00:00:00

abstract：:Vasoactive intestinal polypeptide (VIP)ergic nerves innervate both the neurohypophysis and the hypothalamus. To test the hypothesis that VIP is a releasing factor for neurohypophyseal hormones, rats were given intracerebroventricular (icv) infusions of VIP in doses varying from 0.3 pmol/kg.min to 3 nmol/kg.min for 5 m...

journal_title：Endocrinology

authors： Bardrum B,Ottesen B,Fahrenkrug J,Fuchs AR

更新日期：1988-11-01 00:00:00

abstract：:In this study, we investigated the transcriptional regulation of the adrenergic induction of type II iodothyronine deiodinase (Dio2) in rat pinealocytes. Treatment of pinealocytes with norepinephrine (NE) caused an increase in the mRNA level of Dio2 that peaked around 2 h and declined over the next 5 h. Both beta- and...

journal_title：Endocrinology

authors： Chik CL,Wloka MT,Price DM,Ho AK

更新日期：2007-07-01 00:00:00

abstract：:Chronically elevated fatty acids contribute to insulin resistance through poorly defined mechanisms. Endoplasmic reticulum (ER) stress and the subsequent unfolded protein response (UPR) have been implicated in lipid-induced insulin resistance. However, the UPR is also a fundamental mechanism required for cell adaptati...

journal_title：Endocrinology

authors： Achard CS,Laybutt DR

更新日期：2012-05-01 00:00:00

abstract：:Ghrelin is a growth hormone-releasing peptide recently discovered in the stomach of rat and human as an endogenous ligand for growth hormone-secretagogue receptor. In the present study, a full-length cDNA for mouse ghrelin has been cloned from the stomach using the oligo-capping and rapid amplification methods, and th...

journal_title：Endocrinology

authors： Tanaka M,Hayashida Y,Iguchi T,Nakao N,Nakai N,Nakashima K

更新日期：2001-08-01 00:00:00

abstract：:In male rats maintained on a 12 h light-dark schedule (6 AM-6 PM), there is a nyctohemeral cycle of plasma prolactin which consists of a nadir at 11:30 AM and an apogee at approximately 11:30 PM. In rats exposed to constant darkness, this rhythm persists for 7 days. Seven days of constant light, however, reverses this...

journal_title：Endocrinology

authors： Kizer JS,Zivin JA,Jacobowitz DM,Kopin IJ

更新日期：1975-05-01 00:00:00

abstract：:Rabbit uterine muscle may contract or relax with adrenergic stimulation depending on the hormonal milieu. This difference in contractile activity has been shown to be due to alteration of adrenergic response between alpha-adrenergic (contraction) and beta-adrenergic (relaxation). When rabbits are treated with estrogen...

journal_title：Endocrinology

authors： Roberts JM,Insel PA,Goldfien RD,Goldfien A

更新日期：1977-12-01 00:00:00

abstract：:The specific uptake by rat liver of human (hGH) and bovine (bGH) GHs labeled with 125I was studied by an in vivo procedure. A significant reduction of the uptake was observed when labeled hormones were injected together with different amounts of the corresponding native GH. This reduction was dose dependent, and the c...

journal_title：Endocrinology

authors： Turyn D,Dellacha JM

更新日期：1978-10-01 00:00:00

abstract：:GH and insulin-like growth factor (IGF)-I are important components of the growth axis. We undertook to determine how plasma levels of these hormones altered with different seasonal and nutritional states in young male red deer to provide an insight into how the growth axis changes under these conditions. Growth rate a...

journal_title：Endocrinology

authors： Webster JR,Corson ID,Littlejohn RP,Stuart SK,Suttie JM

更新日期：1996-02-01 00:00:00

abstract：:It is known that renin is present in fetal membranes, with the highest concentration in the chorion laeve (reflected chorion). The purpose of this study was to identify and localize renin in human chorion laeve. Indirect immunofluorescent analysis, using antiserum against pure human kidney renin, revealed a single lay...

journal_title：Endocrinology

authors： Poisner AM,Wood GW,Poisner R,Inagami T

更新日期：1981-10-01 00:00:00

abstract：:The effects of hypophysectomy and GH on blood pressure and renin secretion were studied. Within 2 weeks after removal of the pituitary gland of rats, mean arterial blood pressure declined 30%, and heart rate fell 50%. No significant effect of hypophysectomy on blood volume or hematocrit was noted. Within 2 h after the...

journal_title：Endocrinology

authors： Honeyman TW,Goodman HM,Fray JC

更新日期：1983-05-01 00:00:00

abstract：:Recent work has led to the hypothesis that kisspeptin/neurokinin B/dynorphin (KNDy) neurons in the arcuate nucleus play a key role in GnRH pulse generation, with kisspeptin driving GnRH release and neurokinin B (NKB) and dynorphin acting as start and stop signals, respectively. In this study, we tested this hypothesis...

journal_title：Endocrinology

authors： Goodman RL,Hileman SM,Nestor CC,Porter KL,Connors JM,Hardy SL,Millar RP,Cernea M,Coolen LM,Lehman MN

更新日期：2013-11-01 00:00:00

abstract：:GH secretion is markedly blunted in obesity; however, the mechanism(s) mediating this response remains to be elucidated. In the present study we examined the involvement of the two hypothalamic GH-regulatory hormones, GH-releasing factor (GRF) and somatostatin (SRIF), using the genetically obese male Zucker rat. Spont...

journal_title：Endocrinology

authors： Tannenbaum GS,Lapointe M,Gurd W,Finkelstein JA

更新日期：1990-12-01 00:00:00

abstract：:Previous studies have shown that increased sodium chloride in drinking water failed to suppress serum renin activity (SRA) in the etheranesthetized rat. In the absence of anesthesia, sodium chloride decreased SRA by 76% and serum aldosterone by 72%. Deoxycorticosterone acetate, when given alone, produced similar resul...

journal_title：Endocrinology

authors： Campbell WB,Pettinger WA

更新日期：1975-12-01 00:00:00

abstract：:We have characterized opioid binding sites in the Sertoli cells of adult and 18-day-old rat testes. Maximal specific etorphine binding was attained after 30 min at 4 C. The binding was reversible, with association and dissociation rate constants of 0.98 X 10(5) M-1 min-1 and 0.33 min-1, respectively. Scatchard analyse...

journal_title：Endocrinology

authors： Fabbri A,Tsai-Morris CH,Luna S,Fraioli F,Dufau ML

更新日期：1985-12-01 00:00:00

abstract：:For 3 yr, 1-yr synchronized circannual rhythms were found for the chick oviduct weights, amounts of soluble protein, concentrations of the progesterone receptor in this organ, and capacity of this steroid-receptor complex in cytosol in bind in vitro to deoxyribonucleoprotein acceptor sites. By fitting the data with 1-...

journal_title：Endocrinology

authors： Spelsberg TC,Halberg F

更新日期：1980-10-01 00:00:00

abstract：:An immunomodulatory role for LHRH was suggested when we reported the presence of immunoactive and bioactive LHRH and its mRNA in rat splenic and thymic lymphocytes. In this paper we report that human peripheral T-cells as well as its subsets CD4+ and CD8+ contained immunoactive and bioactive LHRH. Furthermore, analysi...

journal_title：Endocrinology

authors： Azad N,La Paglia N,Jurgens KA,Kirsteins L,Emanuele NV,Kelley MR,Lawrence AM,Mohagheghpour N

更新日期：1993-07-01 00:00:00

abstract：:We previously showed that peroxisome proliferator-activated receptor delta (PPARdelta) is crucial for embryo implantation as a receptor for cyclooxygenase-2-derived prostacyclin in mice. PPARs belong to the nuclear receptor superfamily. They form heterodimer with a retinoid X receptor, recruit transcriptional cofactor...

journal_title：Endocrinology

authors： Lim HJ,Moon I,Han K

更新日期：2004-06-01 00:00:00

abstract：:Five studies are reported which were designed to define the effects of an estrogen and a progestogen, alone and in combination, on tissue concentrations (heart, kidney, and liver) of two trace metals (zinc, copper) and four bulk cations (sodium, potassium, calcium, magnesium). Male rats received Premarin (0.08 mg) and...

journal_title：Endocrinology

authors： Yunice AA,Lindeman RD

更新日期：1975-11-01 00:00:00