Identification of biologically active epidermal growth factor precursor in human fluids and secretions.

abstract：:Tamoxifen, a partial competitive antagonist to the estrogen receptor, is a potent inhibitor of the proliferation of experimental mammary carcinoma in the rat and is widely used clinically in the treatment of breast cancer. Blockade of estrogen receptors present on neoplastic cells represents the classic mechanism of a...

journal_title：Endocrinology

authors： Tannenbaum GS,Gurd W,Lapointe M,Pollak M

更新日期：1992-06-01 00:00:00

abstract：:Effects of thyroidectomy on Fos-like immunoreactivity (IR) in the rat brain were examined using single and double-label immunocytochemical techniques. In particular, the possibility that Fos might be involved in thyroid hormone regulation of thyrotropin releasing hormone (TRH)-containing neurons located in the parvoce...

journal_title：Endocrinology

authors： Koibuchi N,Gibbs RB,Suzuki M,Pfaff DW

更新日期：1991-12-01 00:00:00

abstract：:The Src homology 2-containing tyrosine phosphatase, Shp-2, is a crucial enzyme that mediates intracellular signaling and is implicated in cell proliferation and differentiation. Here we investigated the involvement of the Shp-2 tyrosine phosphatase in determining the downstream signaling pathways initiated by the Ret ...

journal_title：Endocrinology

authors： D'Alessio A,Califano D,Incoronato M,Santelli G,Florio T,Schettini G,Carlomagno MS,Cerchia L,de Franciscis V

更新日期：2003-10-01 00:00:00

abstract：:Parathyroid hormone (PTH) secretion rate was measured in seven calves by using a technique which involved RIA of parathyroid venous blood collected during timed intervals and measured volumetrically. Infusion of solutions of NA2EDTA and MgCl2 into the jugular vein was used to alter plasma calcium and magnesium concent...

journal_title：Endocrinology

authors： Mayer GP,Hurst JG

更新日期：1978-06-01 00:00:00

abstract：:The structural elements of 19-norprogestogens which may be essential for binding to progesterone and estradiol-17beta(E2) receptors were investigated in the rabbit uterine cytosol. The kinetic study showed that 19-nor-progestogens are competitive inhibitors of progesterone-receptor (8S) binding and E2-receptor binding...

journal_title：Endocrinology

authors： Tamaya T,Nioka S,Furuta N,Shimura T,Takano N

更新日期：1977-06-01 00:00:00

abstract：:A major function of the p53 tumor suppressor is the regulation of the cell cycle and apoptosis. In addition to its well-documented functions in malignant cancer cells, p53 can also regulate cell migration and invasion, which contribute to metastasis. Growth differentiation factor-15 (GDF-15), a member of the TGF-β sup...

journal_title：Endocrinology

authors： Cheng JC,Chang HM,Leung PC

更新日期：2011-08-01 00:00:00

abstract：:AtT20/D16v is a clonal strain of mouse pituitary tumor cells which synthesizes and secretes ACTH. Somatostatin, a hypothalamic tetradecapeptide, has been shown to inhibit the release of PRL, GH, and TSH from the pituitary gland. We have characterized specific binding sites for somatostatin on AtT20/D16v cells and demo...

journal_title：Endocrinology

authors： Richardson UI,Schonbrunn A

更新日期：1981-01-01 00:00:00

abstract：:Kisspeptin, neurokinin B (NKB) and dynorphin A are coexpressed in a population of neurons in the arcuate nucleus (ARC), termed KNDy neurons, which were recently recognized as important elements for the generation of GnRH pulses. However, the topographic distribution of these peptides and their regulated expression by ...

journal_title：Endocrinology

authors： Overgaard A,Ruiz-Pino F,Castellano JM,Tena-Sempere M,Mikkelsen JD

更新日期：2014-10-01 00:00:00

abstract：:The feedback sites of estrogen within the hypothalamus and lower brain stem involved in the suppression of pulsatile LH secretion during 48-h fasting were examined in ovariectomized rats with local estradiol (E2) implants. The animals were ovariectomized and immediately implanted stereotaxically with stainless steel c...

journal_title：Endocrinology

authors： Nagatani S,Tsukamura H,Maeda K

更新日期：1994-09-01 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：:Primary aldosteronism (PA) is a common form of endocrine hypertension that is characterized by the excessive production of aldosterone relative to suppressed plasma renin levels. PA is usually caused by either a unilateral aldosterone-producing adenoma or bilateral adrenal hyperplasia. Somatic mutations have been iden...

journal_title：Endocrinology

authors： Aragao-Santiago L,Gomez-Sanchez CE,Mulatero P,Spyroglou A,Reincke M,Williams TA

更新日期：2017-12-01 00:00:00

abstract：:It was shown previously that epidermal growth factor (EGF) plays a role in the testosterone-dependent fetal Wolffian duct differentiation. In this communication, the role of EGF was further investigated by determining whether EGF receptor plays a role in mediating the effect of EGF during Wolffian duct (male duct) dif...

journal_title：Endocrinology

authors： Gupta C,Jaumotte J

更新日期：1993-10-01 00:00:00

abstract：:The sympathetic nervous system is a physiological regulator of bone homeostasis. Autonomic nerves are indeed present in bone, bone cells express the β2-adrenergic receptors (β2AR), and pharmacological or genetic disruption of sympathetic outflow to bone induces bone gain in rodents. These recent findings implied that ...

journal_title：Endocrinology

authors： Ma Y,Nyman JS,Tao H,Moss HH,Yang X,Elefteriou F

更新日期：2011-04-01 00:00:00

abstract：:Hypophysiotrophic neurons projecting to hypophyseal portal vessels in the median eminence of the hypothalamus maintain the operation of the master gland, the pituitary, by secreting releasing and release-inhibiting hormones into the bloodstream. LHRH, synthesized in neurons of the rat prosencephalon, is one of the key...

journal_title：Endocrinology

authors： Liposits Z,Reid JJ,Negro-Vilar A,Merchenthaler I

更新日期：1995-05-01 00:00:00

abstract：:The effect of 3 alpha-hydroxy-4-pregnen-20-one (3HP), a Sertoli cell steroid, on the secretion of gonadotropins from rat anterior pituitary cells in culture was examined and subsequently compared with the action of other gonadal steroids and steroids structurally related to 3HP. Pituitary cells from randomly cycling, ...

journal_title：Endocrinology

authors： Wood PH,Wiebe JP

更新日期：1989-07-01 00:00:00

abstract：:Prolactin (Prl) secreting cells in a mixed pituitary cell culture form microscopically-identifiable plaques (zones of hemolysis around the lactotropes) when incubated in a monolayer with staphylococcal protein-A-coated ovine erythrocytes in the presence of Prl antiserum and complement. Plaques form first at 15-30 min ...

journal_title：Endocrinology

authors： Neill JD,Frawley LS

更新日期：1983-03-01 00:00:00

abstract：:To assess the effect of breast feeding on circulating thyroid hormone levels in the suckling neonate, we examined serum concentrations of T4, T3, and rT3 by RIA in 12- and 15-day-old rat pups fasted for 3 or 6 h before, at, and hourly for 3 or 4 h after suckling. In both age groups, serum T4 levels decreased significa...

journal_title：Endocrinology

authors： Oberkotter LV

更新日期：1988-07-01 00:00:00

abstract：:ACTH produced a 75% increase in pregnenolone biosynthesis from endogenous precursors in isolated cells prepared from the rat Snell adrenocortical carcinoma 494. On the addition of 24- and 25-hydroxycholesterol to the tumor cells, the rate of pregnenolone synthesis increased 10-fold but was insensitive to the presence ...

journal_title：Endocrinology

authors： Mason JI,Robidoux WF

更新日期：1979-11-01 00:00:00

abstract：:Compelling evidence indicates a crucial role of prostaglandin F2α (PGF2α) in parturition. Both the maternal and fetal sides of the fetal membranes synthesize PGF2α, which exerts effects via the prostaglandin F2α receptor (FP) that is coupled to the activation of protein kinase C (PKC). Cyclooxygenase-2 (COX-2) catalyz...

journal_title：Endocrinology

authors： Guo CM,Kasaraneni N,Sun K,Myatt L

更新日期：2012-10-01 00:00:00

abstract：:Pulsatile release of GnRH-1 is critical to stimulate gonadotropes of the anterior pituitary. This secretory pattern seems to be inherent to GnRH-1 neurons, however, the mechanisms underlying such episodical release remain unknown. In monkey nasal explants, the GnRH-1 population exhibits synchronized calcium events wit...

journal_title：Endocrinology

authors： Constantin S,Caraty A,Wray S,Duittoz AH

更新日期：2009-07-01 00:00:00

abstract：:Somatostatin was infused via the portal vein at a rate of 50 ng/min in a group of eight conscious dogs beginning 30 min before and continuing for 6 h after the ingestion of an 800-g fat-protein meal. The fasting and postprandial levels of plasma somatostatin-like immunoreactivity (SLI), insulin, glucagon, and triglyce...

journal_title：Endocrinology

authors： Schusdziarra V,Harris V,Arimura A,Unger RH

更新日期：1979-06-01 00:00:00

abstract：:Experiments were conducted to investigate the actions of glucocorticoids and insulin on the induction of a specific mRNA (p33-mRNA) expressed in rat H4 hepatoma cells. Previous studies have found a 10-fold increase in this mRNA following 60 min of insulin addition. In the present study, dexamethasone (Dex) induced the...

journal_title：Endocrinology

authors： Messina JL

更新日期：1989-02-01 00:00:00

abstract：:Progesterone has the capacity to suppress hypothalamic dopaminergic neuronal activity on proestrous afternoon and prolong or amplify the preovulatory prolactin surge in rats. In the present study, we examined enzyme activity and phosphorylation state of tyrosine hydroxylase (TH) in the stalk-median eminence of cycling...

journal_title：Endocrinology

authors： Liu B,Arbogast LA

更新日期：2008-04-01 00:00:00

abstract：:To test the hypothesis that angiotensin (Ang) II induces profibrotic gene expression through endogenous aldosterone, we measured the effect of 4 h infusion (600 ng/kg x min) of Ang II on tissue mRNA expression of plasminogen activator inhibitor 1 (PAI-1), preproendothelin-1 (ppET-1), TGF-beta, and osteopontin in wild-...

journal_title：Endocrinology

authors： Luther JM,Wang Z,Ma J,Makhanova N,Kim HS,Brown NJ

更新日期：2009-05-01 00:00:00

abstract：:In virtually all studies with MA-10 cells, progesterone RIAs have been used to measure steroid synthesis. To test whether progesterone is a stable end product, we investigated the metabolism of added tritiated progesterone and pregnenolone in MA-10 cells over a period of 3 h. Steroids were then extracted, separated by...

journal_title：Endocrinology

authors： Rommerts FF,King SR,Span PN

更新日期：2001-12-01 00:00:00

abstract：:Important enzymes for thyroid hormone metabolism, antioxidative defense, and intracellular redox control contain selenocysteine (Sec) in their active centers. Expression of these selenoproteins is tightly controlled, and a sex-specific phenotype is observed on disturbance of selenium (Se) transport in mice. Therefore,...

journal_title：Endocrinology

authors： Riese C,Michaelis M,Mentrup B,Götz F,Köhrle J,Schweizer U,Schomburg L

更新日期：2006-12-01 00:00:00

abstract：:With the rapid changes in lifestyle in modern society, including the high nutritional intake and reduced physical activity, the incidence of metabolic diseases has been increasing year by year. Obstructive sleep apnea syndrome (OSAS) is a sleep disorder, usually characterized by sudden pauses of breathing during sleep...

journal_title：Endocrinology

authors： Li M,Li X,Lu Y

更新日期：2018-07-01 00:00:00

abstract：:In the ovarian follicle, oocyte-secreted factors induce cumulus-specific genes and repress mural granulosa cell specific genes to establish these functionally distinct cell lineages. The mechanism establishing this precise morphogenic pattern of oocyte signaling within the follicle is unknown. The present study invest...

journal_title：Endocrinology

authors： Watson LN,Mottershead DG,Dunning KR,Robker RL,Gilchrist RB,Russell DL

更新日期：2012-09-01 00:00:00

abstract：:Metastatic pheochromocytoma continues to be an incurable disease, and treatment with conventional cytotoxic chemotherapy offers limited efficacy. In the present study, we evaluated a novel topoisomerase I inhibitor, LMP-400, as a potential treatment for this devastating disease. We found a high expression of topoisome...

journal_title：Endocrinology

authors： Schovanek J,Bullova P,Tayem Y,Giubellino A,Wesley R,Lendvai N,Nölting S,Kopacek J,Frysak Z,Pommier Y,Kummar S,Pacak K

更新日期：2015-11-01 00:00:00

abstract：:Dynamic bone histomorphometry, [3H]thymidine radioautography, and Northern analysis for bone matrix proteins and insulin-like growth factor-I (IGF-I) were performed in calvariae of ovariectomized (OVX) and estrogen-treated OVX rats. Treatment of OVX rats with diethylstilbestrol (DES) for 2 weeks reduced the periosteal...

journal_title：Endocrinology

authors： Turner RT,Backup P,Sherman PJ,Hill E,Evans GL,Spelsberg TC

更新日期：1992-08-01 00:00:00