Comparison of the signaling abilities of the cytoplasmic domains of the insulin receptor and the insulin receptor-related receptor in 3T3-L1 adipocytes.

abstract：:The ontogenic changes in the somatotroph's responsiveness to TRH were examined in enzymatically dissociated rat pituitary cells in primary monolayer culture. Exposure to TRH (10(-8) M) caused a significant increase in GH release in cultured pituitary cells from rats ranging in age from -1 day (20 days of gestational a...

journal_title：Endocrinology

authors： Welsh JB,Cuttler L,Szabo M

更新日期：1986-11-01 00:00:00

abstract：:There is considerable evidence that CRH can suppress food intake. As hypothalamic CRH, a main site of CRH expression, is also negatively regulated by glucocorticoids, it is unclear whether anorexia and weight loss in adrenal insufficiency are attributable to elevated CRH or to decreased glucocorticoid levels. To disti...

journal_title：Endocrinology

authors： Jacobson L

更新日期：1999-01-01 00:00:00

abstract：:Epidemiological evidence indicates that phytoestrogens inhibit cancer formation and growth, reduce cholesterol levels, and show benefits in treating osteoporosis. At least some of these activities are mediated through the interaction of phytoestrogens with estrogen receptors alpha and beta (ERalpha and ERbeta). Resver...

journal_title：Endocrinology

authors： Bowers JL,Tyulmenkov VV,Jernigan SC,Klinge CM

更新日期：2000-10-01 00:00:00

abstract：:To investigate GH's role in diabetic end organ damage, experimental diabetes was induced with streptozotocin (STZ) in bovine GH (bGH) or bGH antagonist transgenic mice and in their nontransgenic (NTG) litter mates. Body growth, blood glucose, serum insulin-like growth factor-I levels, liver GH receptor (GHR) binding, ...

journal_title：Endocrinology

authors： Chen NY,Chen WY,Bellush L,Yang CW,Striker LJ,Striker GE,Kopchick JJ

更新日期：1995-02-01 00:00:00

abstract：:11 beta-Hydroxysteroid dehydrogenase (11 beta HSI) is an enzyme complex responsible for the conversion of hormonally active cortisol to inactive cortisone; two isoforms of the enzyme have been cloned and characterized. Clinical observations from patients with the hypertensive syndrome apparent mineralocorticoid excess...

journal_title：Endocrinology

authors： Shimojo M,Ricketts ML,Petrelli MD,Moradi P,Johnson GD,Bradwell AR,Hewison M,Howie AJ,Stewart PM

更新日期：1997-03-01 00:00:00

abstract：:The two phases of the ovulatory menstrual cycle of the primate are characterized by divergent activities of the GnRH pulse generator. During the luteal phase, LH pulse frequency is significantly reduced below that observed during the follicular phase. In this report we investigate whether the decrease in pulse frequen...

journal_title：Endocrinology

authors： Lam NY,Ferin M

更新日期：1987-05-01 00:00:00

abstract：:Studies were carried out to determine the regional central nervous system and species specificity of the previously observed [125I]iodoavian pancreatic polypeptide ( [125I]iodo-APP) specific binding to chick brain membranes. The avian species examined were chicken, pigeon, duck, quail, chukar, and pheasant. In all spe...

journal_title：Endocrinology

authors： Adamo ML,Hazelwood RL

更新日期：1984-03-01 00:00:00

abstract：:Signals derived from other pituitary cells can have a dramatic effect on PRL gene expression and secretion by mammotropes. However, the intracellular mechanisms by which these effects are manifested on the target cell remain unexplored. Inasmuch as calcium is a key modulator of both gene expression and hormone export ...

journal_title：Endocrinology

authors： Abraham EJ,Villalobos C,Frawley LS

更新日期：1998-06-01 00:00:00

abstract：:17 beta-Hydroxysteroid dehydrogenase (17HSD) catalyzes the reversible conversion of estrone into estradiol. The complementary DNA (cDNA) coding for rat 17HSD type 1 was cloned from a commercial rat ovarian cDNA library, using human 17HSD type 1 cDNA as a probe. The nucleotide sequence extends for 1160 basepairs (bp), ...

journal_title：Endocrinology

authors： Ghersevich S,Nokelainen P,Poutanen M,Orava M,Autio-Harmainen H,Rajaniemi H,Vihko R

更新日期：1994-10-01 00:00:00

abstract：:In order to investigate the physiological counterpart of the anatomical finding showing that the dorsal motor nucleus of the vagus nerve (DMX) is a source of efferent vagal fibers innervating the pancreas, unilateral electrical stimulation using monopolar electrodes (50 microA, 30 Hz, 0.2 msec) at a glycemia of 150 mg...

journal_title：Endocrinology

authors： Ionescu E,Rohner-Jeanrenaud F,Berthoud HR,Jeanrenaud B

更新日期：1983-03-01 00:00:00

abstract：:Although tamoxifen (TAM), which is widely used in the treatment of breast cancer, also has a beneficial effect on cisplatin-refractory ovarian cancer, the biological mechanism of this effect has remained obscure. TAM, besides its action as an antiestrogen, also inhibits cell proliferation of estrogen receptor (ER)-neg...

journal_title：Endocrinology

authors： Mabuchi S,Ohmichi M,Kimura A,Ikebuchi Y,Hisamoto K,Arimoto-Ishida E,Nishio Y,Takahashi K,Tasaka K,Murata Y

更新日期：2004-03-01 00:00:00

abstract：:G proteins were quantitated by immunoblot in normal rat anterior pituitary, an estrone-induced pituitary adenoma, and in two transplantable pituitary tumors resistant to dopamine, 7315a and MtTW15. Antisera specific for the alpha o and beta subunits or the alpha i subunit of G proteins were tested with all preparation...

journal_title：Endocrinology

authors： Collu R,Bouvier C,Lagacé G,Unson CG,Milligan G,Goldsmith P,Spiegel AM

更新日期：1988-03-01 00:00:00

abstract：:Progesterone, which is normally produced in the endoplasmic reticulum, was found to be rapidly degraded in the cytosolic fraction of the guinea pig adrenal cortex in vitro. Assuming this finding reflects what happens in vivo raises a question as to the source of progesterone for interacting with a nuclear progesterone...

journal_title：Endocrinology

authors： Demura T,Driscoll WJ,Strott CA

更新日期：1990-09-01 00:00:00

abstract：:Mutations in the GnRH receptor gene (GNRHR) can result in hypogonadotropic hypogonadism in humans. Unlike most mammals, mice lack a second form of GnRH (GnRH2) and a type 2 GnRH receptor. To determine whether the GnRH receptor is critical at all stages of reproduction and whether this receptor has additional physiolog...

journal_title：Endocrinology

authors： Wu S,Wilson MD,Busby ER,Isaac ER,Sherwood NM

更新日期：2010-03-01 00:00:00

abstract：:Intravenous (i.v.) administration of TRF (1 mg/kg) increases the LD50 of pentobarbital (PB) by 25% while the same dose of somatostatin results in a 30% reduction in PB LD50. A similar increase of PB LD50 by TRF was observed in hypophysectomized rats. Mortality was completely abolished in rats receiving TRF (1 mg/kg) t...

journal_title：Endocrinology

authors： Brown M,Vale W

更新日期：1975-05-01 00:00:00

abstract：:There is growing international interest in how environmental conditions experienced during development can shape adult phenotypes and the extent to which such induced changes are adaptive. One physiological system that links an individual to changes in environmental circumstances during development is the hypothalamic...

journal_title：Endocrinology

authors： Spencer KA,Evans NP,Monaghan P

更新日期：2009-04-01 00:00:00

abstract：:Bombesin was injected into the cerebral ventricle of male rats anesthetized with urethane to study its effect on plasma levels of immunoreactive somatostatin (IRS) in hypophysial portal and jugular blood. An intraventricular injection of bombesin (0.2 and 2 micrograms/rat) caused a significant and dose-related increas...

journal_title：Endocrinology

authors： Abe H,Chihara K,Minamitani N,Iwasaki J,Chiba T,Matsukura S,Fujita T

更新日期：1981-07-01 00:00:00

abstract：:Although the extent of proptosis in exophthalmic Graves' disease has been measured directly and shown to correlate with serum content of a bioassayable exophthalmus-producing factor (EPS;1), a comparable relationship in an experimental model has not been reported. Progressive exophthalmos, measured from photographs an...

journal_title：Endocrinology

authors： Valk TW,Taylor RE Jr,Barker SB

更新日期：1975-01-01 00:00:00

abstract：:Although atrial and brain natriuretic peptides are well known to be involved in the regulation of cardiovascular and endocrine functions as circulating hormones, the roles of the C-type natriuretic peptide (CNP) remain unknown. We examined the effects of CNP on the secretion of aldosterone and cyclic nucleotides from ...

journal_title：Endocrinology

authors： Kawai M,Naruse M,Yoshimoto T,Naruse K,Shionoya K,Tanaka M,Morishita Y,Matsuda Y,Demura R,Demura H

更新日期：1996-01-01 00:00:00

abstract：:A subline of an x-ray-induced transplantable rat insulinoma has been studied in vivo and in vitro. Tumors grew rapidly after sc transplantation and were rich in insulin, but contained only small amounts of glucagon and somatostatin. Despite marked basal hyperinsulinemia, iv glucose administration caused a further incr...

journal_title：Endocrinology

authors： Masiello P,Wollheim CB,Janjic D,Gjinovci A,Blondel B,Praz GA,Renold AE

更新日期：1982-12-01 00:00:00

abstract：:The steady state concentration of dopamine (DA), norepinephrine (NE), and serotonin (5HT) was determined and turnover estimated in several brain regions of young (3-4 months) and old (21 months) male Wistar rats. An estimate of DA and NE turnover was obtained by determining their depletion rates after treatment with a...

journal_title：Endocrinology

authors： Simpkins JW,Mueller GP,Huang HH,Meites J

更新日期：1977-06-01 00:00:00

abstract：:One of the hypotheses attempting to explain the etiology of the human disease X-linked hypophosphatemia (XLH) posits renal hypersensitivity to parathyroid hormone (PTH). These studies were designed to test this hypothesis in vivo, using the hemizygous hypophosphatemic (Hyp/Y) mouse as an animal model for XLH. Vehicle ...

journal_title：Endocrinology

authors： Kiebzak GM,Meyer RA Jr

更新日期：1982-03-01 00:00:00

abstract：:We have measured the concentrations of vasopressin in sequential samples of cerebrospinal fluid (CSF) obtained from fetal lambs between 108 and 130 days gestation. There was a clear and significant (F = 4.46; P less than 0.005) rhythm in vasopressin concentrations in the CSF of nine fetuses, characterized by a mean tr...

journal_title：Endocrinology

authors： Stark RI,Daniel SS

更新日期：1989-06-01 00:00:00

abstract：:It has been shown that acute administration of interleukin-1 (IL-1) to rats elicits a transitory increase in plasma ACTH and corticosterone (B) levels. To investigate the effects of chronic administration of IL-1 on plasma ACTH and B levels, in the present study rats were equipped with Alzet osmotic minipumps loaded w...

journal_title：Endocrinology

authors： Sweep CG,van der Meer MJ,Hermus AR,Smals AG,van der Meer JW,Pesman GJ,Willemsen SJ,Benraad TJ,Kloppenborg PW

更新日期：1992-03-01 00:00:00

abstract：:The biosynthesis of estrogens is catalyzed by aromatase P450 (P450arom), the product of the CYP19 gene. The tissue-specific expression of the CYP19 gene is regulated by means of tissue-specific promoters through the use of alternative splicing mechanisms. Thus, transcripts containing various 5'-untranslated termini ar...

journal_title：Endocrinology

authors： Sun T,Zhao Y,Mangelsdorf DJ,Simpson ER

更新日期：1998-04-01 00:00:00

abstract：:The antitumor properties of antibodies to the beta-subunit of hCG (hCG beta) coupled to tetanus toxoid (tt) were studied in hamsters implanted with the BeWo strain of human choriocarcinoma. After active immunization with hCG beta-tt mixed in complete Freund's adjuvant, hamsters synthesized large quantities of antibodi...

journal_title：Endocrinology

authors： Knecht M

更新日期：1980-01-01 00:00:00

abstract：:In the present study, we have investigated the cellular mechanisms of androgen-induced antral follicular growth arrest and the possible involvement of chemerin and its receptor chemokine-like receptor 1 (CMKLR1) in this process, using a chronically androgenized rat model. We hypothesize that hyperandrogenism induces a...

journal_title：Endocrinology

authors： Kim JY,Xue K,Cao M,Wang Q,Liu JY,Leader A,Han JY,Tsang BK

更新日期：2013-08-01 00:00:00

abstract：:Ca2+/calmodulin-dependent processes are altered by manipulations of the hypothalamic-pituitary-adrenal axis. In particular, adrenalectomy (ADX) attenuates hippocampal, but not cortical, calmodulin-dependent adenylate cyclase activity measured during the active (waking) phase of rats. The involvement of calmodulin- and...

journal_title：Endocrinology

authors： Gannon MN,Akompong T,Billingsley ML,McEwen BS

更新日期：1994-02-01 00:00:00

abstract：:Glucocorticoids induce tyrosine aminotransferase (TAT) in hepatoma cells. We have previously shown that both the concentration of the agonist dexamethasone (Dex) required for half-maximal induction (EC50) and the amount of agonist activity produced by the antagonist dexamethasone 21-mesylate (Dex-Mes), expressed as a ...

journal_title：Endocrinology

authors： Oshima H,Simons SS Jr

更新日期：1992-04-01 00:00:00

abstract：:Leptin, a circulating 16-kDa protein secreted by adipocytes, decreases body weight by reducing food intake and enhancing energy utilization. Leptin receptors that share homology to the glycoprotein gp130 have been recently cloned. In addition, differentially spliced leptin receptor messenger RNAs have been identified....

journal_title：Endocrinology

authors： Liu C,Liu XJ,Barry G,Ling N,Maki RA,De Souza EB

更新日期：1997-08-01 00:00:00