Epidermal growth factor elevates intracellular pH in chicken granulosa cells by activating protein kinase C.

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：:Insulin receptors were measured in cultured Zajdela rat hepatoma cells (ZHC cells), a stable cell line which presents differentiated hepatic functions. The number of sites was 50,000/cell at 2 C, and the dissociation constant for high affinity binding was 1.6 x 10(-10) M. Down-regulation of receptors occurred rapidly ...

journal_title：Endocrinology

authors： Capeau J,Flaig-Staedel C,Beck JP,Picard J

更新日期：1982-09-01 00:00:00

abstract：:ACTH and cAMP stimulate steroidogenesis and the mitochondrial electron transport system for steroid hydroxylation in cultured mouse adrenal cortex tumor cells. During this stimulation, the biosynthesis of adrenodoxin, a non-heme iron protein which is one of the electron transport enzymes, was examined. 14C-labeled adr...

journal_title：Endocrinology

authors： Asano K,Harding BW

更新日期：1976-10-01 00:00:00

abstract：:The possible role of the pentose phosphate shunt in thyroid hormone secretion was investigated in vivo and in vitro with mouse thyroid glands. Thyroidal endocytosis in response to TSH, a step of thyroid hormone secretion, was evaluated for its dependency upon the pentose phosphate shunt by using 6-aminonicotinamide (6...

journal_title：Endocrinology

authors： Hashizume K,Onaya T,Sato A

更新日期：1975-10-01 00:00:00

abstract：:[131I]Thyroglobulin [( 131I]Tg), prepared by either enzymatic iodination of human goiter Tg in vitro or isolation from the thyroids of rats previously injected with 131I, was digested with a solubilized enzyme mixture prepared from purified hog thyroid lysosomes. The digestion was performed at 37 C for 24 h under nitr...

journal_title：Endocrinology

authors： Tokuyama T,Yoshinari M,Rawitch AB,Taurog A

更新日期：1987-08-01 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 have previously demonstrated that interleukin-1 beta (IL-1 beta), a putative intermediary in the ovulatory process, is a potent stimulator of ovarian PG biosynthesis. In this communication, we examine the possibility that this IL-1 effect reflects in part the induction of arachidonic acid mobilization by phospholip...

journal_title：Endocrinology

authors： Kol S,Ruutiainen-Altman K,Ben-Shlomo I,Payne DW,Ando M,Adashi EY

更新日期：1997-01-01 00:00:00

abstract：:Physiological roles for PTH-related peptide (PTHrP) appear varied, but remain to be clarified. The peptide is present in large amounts in milk, and PTHrP mRNA has been shown to be present in high amounts in lactating mammary gland. Because PTHrP can cause smooth muscle relaxation, we hypothesized that the peptide migh...

journal_title：Endocrinology

authors： Seitz PK,Cooper KM,Ives KL,Ishizuka J,Townsend CM Jr,Rajaraman S,Cooper CW

更新日期：1993-09-01 00:00:00

abstract：:Levels of bovine placental lactogen (bPL) have been measured in the serum of dairy and beef cattle and in the milk and amniotic fluid of pregnant animals with a highly specific radioimmunoassay. In both dairy and beef cows, serum bPL levels remain low (less than 50 ng/ml) during the first two trimesters and then rise ...

journal_title：Endocrinology

authors： Bolander FF,Ulberg LC,Fellows RE

更新日期：1976-11-01 00:00:00

abstract：:T3 stimulates in vitro GH secretion, whereas somatomedins have been shown to suppress GH. We, therefore, tested the effects of a recombinant human insulin-like growth factor analog (IGF-I; Thr 59) on T3-induced GH secretion. Pituitary monolayer cultures were derived from 4- to 7-week surgically thyroidectomized male r...

journal_title：Endocrinology

authors： Melmed S,Yamashita S

更新日期：1986-04-01 00:00:00

abstract：:Prolactin (PRL) is tonically inhibited by dopamine (DA) released from neurons in the arcuate and periventricular nuclei. Kisspeptin plays a pivotal role in LH regulation. In rodents, kisspeptin neurons are found mostly in the anteroventral periventricular and arcuate nuclei, but the physiology of arcuate kisspeptin ne...

journal_title：Endocrinology

authors： Szawka RE,Ribeiro AB,Leite CM,Helena CV,Franci CR,Anderson GM,Hoffman GE,Anselmo-Franci JA

更新日期：2010-07-01 00:00:00

abstract：:Protein synthesis in bovine pituitaries was measured by incubation of tissue slices with radioactive amino acids, followed by gel electrophoresis. PRL and GH syntheses were estimated by determining the amount of radioactivity comigrating with standards of these hormones. Pituitary tissue removed from adult animals dem...

journal_title：Endocrinology

authors： Baxter LA,Gorski J

更新日期：1981-08-01 00:00:00

abstract：:Current in vivo and in vitro data indicate that progesterone (P) is required for epithelial proliferation in mammary glands of adult mice. P receptors (PgR) in adult mammary glands are under estrogenic regulation. By contrast in immature, pubertal 5-week-old mice, PgR are present only in low concentration and cannot b...

journal_title：Endocrinology

authors： Haslam SZ

更新日期：1988-02-01 00:00:00

abstract：:To address the neural mediation of the eating-inhibitory effect of circulating glucagon-like peptide-1 (GLP-1), we investigated the effects of 1) intra-fourth ventricular infusion of the GLP-1 receptor antagonist exendin-9 or 2) area postrema lesion on the eating-inhibitory effect of intrameal hepatic portal vein (HPV...

journal_title：Endocrinology

authors： Punjabi M,Arnold M,Rüttimann E,Graber M,Geary N,Pacheco-López G,Langhans W

更新日期：2014-05-01 00:00:00

abstract：:Atrial (ANP), brain (BNP), and C-type natriuretic peptide (CNP) belong to a family of hormones important in blood pressure and sodium homeostasis. Expression of ANP has been reported in embryo hearts, but BNP and CNP expression during development has not been described. We used in situ hybridization to identify the si...

journal_title：Endocrinology

authors： Cameron VA,Aitken GD,Ellmers LJ,Kennedy MA,Espiner EA

更新日期：1996-03-01 00:00:00

abstract：:Recent studies suggest that hyperinsulinemia and insulin resistance are linked to Alzheimer's disease (AD). In this study, we used Tg2576 transgenic (Tg) mice, a widely used transgenic mouse model for AD, to explore the relationship between increased amyloid beta-peptide (Abeta) and insulin resistance. When fed a high...

journal_title：Endocrinology

authors： Kohjima M,Sun Y,Chan L

更新日期：2010-04-01 00:00:00

abstract：:Three distinct receptor types for natriuretic peptides (NP) have been identified in human tissue. "A" and "B" receptors initiate biological actions, whereas the "C" receptor has a clearance function. It has been proposed that the natural ligand for the B receptor is c-type natriuretic peptide (CNP), rather than atrial...

journal_title：Endocrinology

authors： Canaan-Kühl S,Jamison RL,Myers BD,Pratt RE

更新日期：1992-01-01 00:00:00

abstract：:Insulin-like growth factor (IGF) I, a polypeptide synthesized by skeletal cells, and its amino terminus truncated derivative desamino-(1-3)-IGF I (des-IGF I) were compared for their effects on bone formation in vitro. Des-IGF I and IGF I were studied for their effects on DNA and collagen synthesis in cultures of intac...

journal_title：Endocrinology

authors： Canalis E,McCarthy TL,Centrella M

更新日期：1991-07-01 00:00:00

abstract：:RIAs specific for the alpha-subunit of glycoprotein hormones were used to monitor the subunit conformation in ovine FSH and TSH and in recombinants of ovine LH alpha with (ovine and porcine) LH beta and hCG beta. Differences in log-logit slopes of the RIA dilution curves were interpreted to indicate changes, presumabl...

journal_title：Endocrinology

authors： Strickland TW,Puett D

更新日期：1982-07-01 00:00:00

abstract：:After 5 days of incubation with 10 nM tritiated dexamethasone, the amount of glucocorticoid displaceably-bound by the ACTH-secreting, glucocorticoid-responsive AtT-20 mouse pituitary tumor cell decreases by 70-80%. This decrease takes place in both the cytosolic and nuclear fractions. Although one might predict that t...

journal_title：Endocrinology

authors： Svec F,Rudis M

更新日期：1982-08-01 00:00:00

abstract：:11beta-hydroxysteroid dehydrogenases (11betaHSDs) catalyze interconversion of 11-hydroxy-glucocorticoids with inactive 11-keto metabolites. In blood vessel walls, loss of 11betaHSD1 is thought to reduce local glucocorticoid concentrations, reducing the progression of atheroma and enhancing angiogenesis. Conversely, on...

journal_title：Endocrinology

authors： Dover AR,Hadoke PW,Macdonald LJ,Miller E,Newby DE,Walker BR

更新日期：2007-01-01 00:00:00

abstract：:The glycoprotein FSH, a product of pituitary gonadotrope cells, regulates ovarian follicle development in females and spermatogenesis in males. FSH is a heterodimer of the common α gonadotropin subunit and the hormone-specific FSHβ subunit (a product of the Fshb gene). Using a conditional knockout approach (Cre-lox), ...

journal_title：Endocrinology

authors： Li Y,Schang G,Wang Y,Zhou X,Levasseur A,Boyer A,Deng CX,Treier M,Boehm U,Boerboom D,Bernard DJ

更新日期：2018-07-01 00:00:00

abstract：:Thyroid toxicity of iodide excess has been demonstrated in animals fed with an iodide-rich diet; in vitro iodide is cytotoxic, inhibits cell growth, and induces morphological changes in thyroid cells of some species. In this study, we investigated the effect of iodide excess in an immortalized thyroid cell line (TAD-2...

journal_title：Endocrinology

authors： Vitale M,Di Matola T,D'Ascoli F,Salzano S,Bogazzi F,Fenzi G,Martino E,Rossi G

更新日期：2000-02-01 00:00:00

abstract：:Flavonoids are functional constituents of many fruits and vegetables. Some flavonoids have antidiabetic properties because they improve altered glucose and oxidative metabolisms of diabetic states. Procyanidins are flavonoids with an oligomeric structure, and it has been shown that they can improve the pathological ox...

journal_title：Endocrinology

authors： Pinent M,Blay M,Bladé MC,Salvadó MJ,Arola L,Ardévol A

更新日期：2004-11-01 00:00:00

abstract：:Using a Leydig tumor cell line (MA-10) transiently transfected with the human lutropin receptor (hLHR) and mutants thereof, we examined the identity of the G proteins activated by the agonist-engaged hLHR-wild type (wt) and by three of its naturally occurring constitutively active mutants. Two of the mutants examined,...

journal_title：Endocrinology

authors： Hirakawa T,Ascoli M

更新日期：2003-09-01 00:00:00

abstract：:The possibility of direct pituitary effects of sex steroids on gonadotropin gene expression and synthesis was studied in male rats. The animals were treated with a potent GnRH antagonist, Ac-D-pClPhe-D-pClPhe-D-Trp-Ser-Tyr-D-Arg-Leu-Arg-Pro-D-Ala-+ ++NH2CH3COOH (Org 30276; 0.5 mg/kg BW, sc, twice daily) for 10 days. G...

journal_title：Endocrinology

authors： Perheentupa A,Huhtaniemi I

更新日期：1990-06-01 00:00:00

abstract：:Stanniocalcin (STC) is a new mammalian polypeptide hormone and appears to be a regulator of neuronal function. We have already shown that the induction of STC mRNA and protein expression by cAMP is integral to neuroblastoma cell differentiation, particularly neurite outgrowth. In this study, we examined the cAMP pathw...

journal_title：Endocrinology

authors： Yeung HY,Chan DK,Mak NK,Wagner GF,Wong CK

更新日期：2003-10-01 00:00:00

abstract：:The anterior pituitary (AP) is made of five different cell types. The relative abundance and phenotype of AP cells may change in different physiological situations as an expression of pituitary plasticity. Here, we analyze in detail the phenotype of mouse corticotropes and the effects of acute cold stress on AP cell p...

journal_title：Endocrinology

authors： Senovilla L,Núñez L,Villalobos C,García-Sancho J

更新日期：2008-05-01 00:00:00

abstract：:The procession of round spermatids through stages VII and VIII of the rat spermatogenic cycle is critically dependent on testosterone (T). When intratesticular T levels are reduced, round spermatids appear to slough from the seminiferous epithelium, resulting in the disappearance of elongated spermatids. We hypothesiz...

journal_title：Endocrinology

authors： Perryman KJ,Stanton PG,Loveland KL,McLachlan RI,Robertson DM

更新日期：1996-09-01 00:00:00

abstract：:The rat uterine enzyme glycerylphosphorylcholine (GPC) diesterase found in the proestrous secretions was purified and characterized biochemically with respect to its subunit mol wt, native size, pI, and amino acid and carbohydrate composition. The 30-kDa protein was assessed to have a native mol wt of 105 kDa, as dete...

journal_title：Endocrinology

authors： Mitra J,Chowdhury M

更新日期：1991-09-01 00:00:00