Effect of atrial natriuretic peptide on renin release in a superfusion system of kidney slices and dispersed juxtaglomerular cells.

abstract：:A method is described for growing monolayers of newborn rat beta-cells in microculture trays. After disruption of the pancreas with collagenase, islets were isolated by Ficoll density gradient centrifugation, trypsinized to obtain individual cells, and plated in 96-well tissue culture trays. The cells were incubated f...

journal_title：Endocrinology

authors： Dobersen MJ,Scharff JE,Notkins AL

更新日期：1980-04-01 00:00:00

abstract：:We have previously shown that plasma IGF 1 concentration is positively correlated with the rate of antler growth and have proposed that IGF 1 is stimulatory for antler growth in the red deer stag. Therefore to partly resolve the question of whether the IGF 1 was of circulating or local origin in relation to its effect...

journal_title：Endocrinology

authors： Suttie JM,Fennessy PF,Gluckman PD,Corson ID

更新日期：1988-06-01 00:00:00

abstract：:To determine the effect of aromatase inhibitors on peripheral aromatization, male rhesus monkeys were infused with [7-3H]androstenedione and [4-14C]estrone before and during treatment with 4-hdyroxy-androstene-3,17-dione (50 mg/kg each; four monkeys) or 4-acetoxy-androstene-3,17-dione (700 mg each; two monkeys). In al...

journal_title：Endocrinology

authors： Brodie AM,Longcope C

更新日期：1980-01-01 00:00:00

abstract：:Endocrine cells isolated from the anterior pituitary fire intracellular Ca2+ ([Ca2+]i) transients due to voltage-gated Ca2+ entry. However, the patterns of [Ca2+]i transients within the glandular parenchyma of the anterior pituitary are unknown. Here we describe, using real-time confocal laser microscopy, several spon...

journal_title：Endocrinology

authors： Bonnefont X,Fiekers J,Creff A,Mollard P

更新日期：2000-03-01 00:00:00

abstract：:The time sequence of the metabolism of [4-14C] pregnenolone to testosterone in homogenates of human and rat testis was studied with special emphasis on the chain of events in the early 15 min of incubation. The incubations were performed at 32 C in the presence of NAD and a NADPH-generating system. The various interme...

journal_title：Endocrinology

authors： Weusten JJ,Smals AG,Hofman JA,Kloppenborg PW,Benraad TJ

更新日期：1987-05-01 00:00:00

abstract：:The effect of synthetic ovine CRF on ACTH secretion of dispersed, domestic fowl pituitary cells was investigated. Cells preincubated for 2 h, 16 h, or after 48-h culture were incubated briefly with CRF (up to 4 h). ACTH was bioassayed using isolated rat adrenocortical cells; ACTH-(1-24) served as the standard for expr...

journal_title：Endocrinology

authors： Carsia RV,Weber H,Perez FM Jr

更新日期：1986-01-01 00:00:00

abstract：:To study conversion of 3,5,3'-triiodothyroinine (T3) and 3,3',5'-triiodothyronine (rT3) to 3,3'-diiodothyronine (T2) in vitro, T3 or rT3 was incubated at pH 7.35 with homogenates of several rat tissues (liver, kidney, muscle, heart, ling, spleen, intestines, and brain) for 15 min at 37 C. The T2 generated during incub...

journal_title：Endocrinology

authors： Chopra IJ,Wu SY,Nakamura Y,Solomon DH

更新日期：1978-04-01 00:00:00

abstract：:The regulation of insulin-like growth factor binding protein (IGFBP)-4 proteolytic degradation by insulin-like growth factors (IGFs) has been largely studied in vitro, but not in vivo. The aim of this study was to investigate the involvement of IGFs, IGFBP-2, IGFBP-3, and IGFBP-3 proteolytic fragments in the regulatio...

journal_title：Endocrinology

authors： Mazerbourg S,Zapf J,Bar RS,Brigstock DR,Lalou C,Binoux M,Monget P

更新日期：1999-09-01 00:00:00

abstract：:In the present study we have examined the effects of FSH, forskolin, and (Bu)2cAMP on messenger RNA (mRNA) levels for all known subunits of cAMP-dependent protein kinase in rat Sertoli cells, using newly developed complementary DNA (cDNA) probes. mRNAs for the three regulatory subunits [RI alpha, RII51, (RII beta), an...

journal_title：Endocrinology

authors： Oyen O,Sandberg M,Eskild W,Levy FO,Knutsen G,Beebe S,Hansson V,Jahnsen T

更新日期：1988-06-01 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：: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 brain has traditionally been considered to be a target site of peripheral steroid hormones. By contrast, new findings over the past decade have shown that the brain itself also has the capability of forming steroids de novo, the so-called neurosteroids. De novo neurosteroidogenesis in the brain from cholesterol is...

journal_title：Endocrinology

authors： Tsutsui K

更新日期：2008-06-01 00:00:00

abstract：:Species-specific differences in genes encoding type II GnRH receptor indicate that a functional hepta-helical receptor is produced in monkeys but not in rodents, cows, chimpanzees, or humans. To further investigate the extent of evolutionary differences, we sequenced the type II GnRH receptor gene from wild-type Soay ...

journal_title：Endocrinology

authors： Gault PM,Morgan K,Pawson AJ,Millar RP,Lincoln GA

更新日期：2004-05-01 00:00:00

abstract：:It is still controversial whether the bone-derived hormone fibroblast growth factor-23 (FGF23) has additional physiological functions apart from its well-known suppressive actions on renal phosphate reabsorption and vitamin D hormone synthesis. Here we analyzed premature aging, mineral homeostasis, carbohydrate metabo...

journal_title：Endocrinology

authors： Streicher C,Zeitz U,Andrukhova O,Rupprecht A,Pohl E,Larsson TE,Windisch W,Lanske B,Erben RG

更新日期：2012-04-01 00:00:00

abstract：:Anorexia is a debilitating manifestation of many malignancies. The etiology of cancer anorexia is poorly understood, and effective treatment options are limited. To investigate the role of central melanocortin receptor signaling in the pathogenesis of cancer anorexia, we assessed the effects on food intake of the mela...

journal_title：Endocrinology

authors： Wisse BE,Frayo RS,Schwartz MW,Cummings DE

更新日期：2001-08-01 00:00:00

abstract：:The present study was undertaken to evaluate the efficacy of an estradiol-chemical delivery system (E2-CDS) for the brain vs. estradiol benzoate (E2-BNZ) in suppressing serum testosterone (T) and weights of the ventral prostate and seminal vesicle in male rats. Also, the role of serum T in the weight reduction of andr...

journal_title：Endocrinology

authors： Anderson WR,Rahimy MH,Brewster ME,Bodor N,Simpkins JW

更新日期：1991-08-01 00:00:00

abstract：:The rapid, nongenomic effects of estrogen are increasingly recognized as playing an important role in several aspects of estrogen action. Rapid activation of the mitogen-activated protein kinase (MAPK) signaling pathway by estrogen is among the more recently identified of these effects. To explore the role of estrogen...

journal_title：Endocrinology

authors： Wade CB,Robinson S,Shapiro RA,Dorsa DM

更新日期：2001-06-01 00:00:00

abstract：:Angiotensin-II (Ang-II), K+, and ACTH are important stimulators of aldosterone secretion that require Ca2+ influx to be active. However, Ang-II and K+ are linked to the Ca2+ messenger system, while ACTH is coupled to the cAMP pathway. Peripheral-type binding sites for benzodiazepines are particularly abundant in stero...

journal_title：Endocrinology

authors： Python CP,Rossier MF,Vallotton MB,Capponi AM

更新日期：1993-04-01 00:00:00

abstract：:PTH-related protein (PTHrP) has been shown to be a major factor responsible for hypercalcemia of malignancy. PTHrP acts via the PTH/PTHrP receptor, and therefore, PTH antagonists might be expected to reverse the hypercalcemia in malignancy. In the present studies, the PTH antagonists [Tyr34]bovine (b) PTH-(7-34)NH2, [...

journal_title：Endocrinology

authors： Kukreja SC,D'Anza JJ,Wimbiscus SA,Fisher JE,McKee RL,Caulfield MP,Rosenblatt M

更新日期：1994-05-01 00:00:00

abstract：:In the present study we investigated whether fetal exposure to flutamide affected messenger and protein levels of claudin-11, a key Sertoli cell factor in the establishment of the hemotesticular barrier, at the time of two key events of postnatal testis development: 1) before puberty (postnatal d 14) during the establ...

journal_title：Endocrinology

authors： Florin A,Maire M,Bozec A,Hellani A,Chater S,Bars R,Chuzel F,Benahmed M

更新日期：2005-03-01 00:00:00

abstract：:Lanosterol 14alpha-demethylase (CYP51) responds to cholesterol feedback regulation through sterol regulatory element binding proteins (SREBPs). The proximal promoter of CYP51 contains a conserved region with clustered regulatory elements: GC box, cAMP-response elements (CRE-like), and sterol regulatory element (SRE). ...

journal_title：Endocrinology

authors： Fink M,Acimovic J,Rezen T,Tansek N,Rozman D

更新日期：2005-12-01 00:00:00

abstract：:The present study investigated whether activation of the hexosamine biosynthesis pathway might mediate at least in part the high glucose effect on angiotensinogen (ANG) gene expression and immortalized renal proximal tubular cell (IRPTC) hypertrophy. IRPTC were cultured in monolayer. ANG, renin, and beta-actin mRNA ex...

journal_title：Endocrinology

authors： Hsieh TJ,Fustier P,Zhang SL,Filep JG,Tang SS,Ingelfinger JR,Fantus IG,Hamet P,Chan JS

更新日期：2003-10-01 00:00:00

abstract：:Open pig thyroid follicles in which the apical surface of the follicle cells is in direct contact with the incubation medium were used to study the effect of stimulated exocytosis and stimulated H2O2 generation on the iodination of protein in the incubation medium. In previous studies on this system of follicles we ha...

journal_title：Endocrinology

authors： Björkman U,Ekholm R

更新日期：1988-02-01 00:00:00

abstract：:In preovulatory ovarian follicles, the oocyte is maintained in meiotic prophase arrest by natriuretic peptide precursor C (NPPC) and its receptor natriuretic peptide receptor 2 (NPR2). LH treatment results in the decrease of NPR2 guanylyl cyclase activity that promotes resumption of meiosis. We investigated the regula...

journal_title：Endocrinology

authors： Wang Y,Kong N,Li N,Hao X,Wei K,Xiang X,Xia G,Zhang M

更新日期：2013-09-01 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：:Specific binding sites for PRL were identified on isolated intestinal epithelial cells from both male and female rabbits. These receptors exhibited a very high affinity for PRL (Kd = 5 x 10(-11) M) and were immunologically very similar to the well characterized mammary PRL receptor. About 3500 PRL receptors/cell were ...

journal_title：Endocrinology

authors： Dusanter-Fourt I,Belair L,Gespach C,Djiane J

更新日期：1992-05-01 00:00:00

abstract：:Linear growth results from proliferation and differentiation of chondrocytes within the growth plates and is regulated, in part, by the insulin-like growth factors (IGFs). IGF binding proteins (IGFBPs) also appear to play a significant, but yet unclear, role. To examine IGFBP production by chondrocytes, we isolated bo...

journal_title：Endocrinology

authors： Olney RC,Smith RL,Kee Y,Wilson DM

更新日期：1993-08-01 00:00:00

abstract：:Rat pituitary cells express messenger RNA for the activin-binding protein, follistatin (FS), and rat and bovine pituitary cell cultures secrete FS into the medium. In the present study, a previously validated, heterologous RIA for ovine FS was employed to investigate FS synthesis, secretion, and regulation in cultures...

journal_title：Endocrinology

authors： Farnworth PG,Thean E,Robertson DM,Schwartz J

更新日期：1995-10-01 00:00:00

abstract：:T4-binding globulin (TBG), the principal carrier of thyroid hormone in serum, is a glycoprotein containing 20% carbohydrate. The importance of the carbohydrate moiety has been previously studied by enzymatic deglycosylation, which showed that deglycosylated TBG retains its original immunological an T4-binding properti...

journal_title：Endocrinology

authors： Murata Y,Magner JA,Refetoff S

更新日期：1986-04-01 00:00:00

abstract：:We recently found that the Japanese red-bellied newt, Cynops pyrrhogaster, actively produces 7alpha-hydroxypregnenolone, a previously undescribed amphibian neurosteroid. 7alpha-Hydroxypregnenolone stimulates locomotor activity of male newts. Locomotor activity of male newts increases during the breeding period as in o...

journal_title：Endocrinology

authors： Haraguchi S,Koyama T,Hasunuma I,Vaudry H,Tsutsui K

更新日期：2010-05-01 00:00:00