The mechanisms by which phorbol ester inhibits LH stimulation of progesterone production in rat granulosa cells.

abstract：:We have recently reported on the activities of glucose-6-phosphate dehydrogenase (G6PD), hexokinase (HK) and carbonic anhydrase I (CA-I) and II (CA-II) isoenzymes obtained from erythrocytes of healthy subjects and untreated patients with hyperthyroid diseases. Also, erythrocyte zinc concentrations were measured. Red b...

journal_title：Endocrine research

authors： Odçikin E,Ozdemir H,Ciftçi M,Capoğlu I

更新日期：2002-02-01 00:00:00

abstract：:CYP17 is not expressed in adult mouse adrenal glands but is expressed in a subset of fetal adrenocortical cells, indicating the potential to produce both corticosterone and cortisol during murine embryogenesis. CYP11A is expressed in the fetal adrenal but also in developing hindgut, which will form the colon, and in c...

journal_title：Endocrine research

authors： Keeney DS

更新日期：1995-02-01 00:00:00

abstract：OBJECTIVES:The diagnosis and management of osteoporosis and osteoporotic fractures are challenging in rural and underdeveloped areas of China because medical resources are inaccessible; thus, a simple and accurate method is essential for the detection of vertebral fractures. We aimed to examine the relationship between...

journal_title：Endocrine research

authors： Chen R,Liu S,Huang M,Ou Y,Liu W,Cui R,Yuan L,Xie Z,Sheng Z,Liu H

更新日期：2021-02-01 00:00:00

abstract：:Thyroid dysfunction influences the levels of Von Willebrand factor (VWF:Ag). Plasma VWF:Ag levels in 35 hyperthyroid patients were significantly elevated, which had a positive correlation with both T3 (Triiodothyronine) and T4 (Thyroxine) levels. A follow-up study of seven hyperthyroid patients undergoing anti-thyroid...

journal_title：Endocrine research

authors： Liu L,Wang X,Lin Z,Wu H

更新日期：1993-01-01 00:00:00

abstract：OBJECTIVES:The relationship between thyroid status and renal function has been well characterized. However, renal function is affected by various factors, including sex and dysglycemia. Because these studies have yet to be undertaken in a normoglycemic population, this study sought to explore the association between th...

journal_title：Endocrine research

authors： Sun MT,Hsiao FC,Su SC,Pei D,Hung YJ

更新日期：2012-01-01 00:00:00

abstract：:Pretreatment of confluent human fibroblast cultures for two days in dexamethasone, serum free medium increased 10-20 fold the sensitivity of the cells to insulin-like growth factor I (IGF I) stimulation of amino acid uptake using the amino acid analog alpha-aminoisobutyric acid (AIB). This increased sensitivity result...

journal_title：Endocrine research

authors： Heath-Monnig E,Daughaday WH

更新日期：1989-01-01 00:00:00

abstract：:The prostate gland of humans and other animals has the unique function of accumulating and secreting extraordinarily high levels of citrate. The prostate secretory epithelial cells synthesize citrate which, due to a limiting mitochondrial (m-) aconitase, accumulates rather than being oxidized. Thus citrate is essentia...

journal_title：Endocrine research

authors： Costello LC,Liu Y,Zou J,Franklin RB

更新日期：2000-02-01 00:00:00

abstract：:Purpose/aim of the study: Graves' ophthalmopathy (GO) is closely related to the thyroid autoimmune disorder Graves' disease. Previous studies have suggested roles for thyroidal CD8+ T cells and autoimmunity against calsequestrin-1 (CASQ)-1 in the link between thyroidal and orbital autoimmune reactions in GO. A role fo...

journal_title：Endocrine research

authors： Al-Ansari F,Lahooti H,Stokes L,Edirimanne S,Wall J

更新日期：2018-11-01 00:00:00

abstract：:In order to investigate the regulation of connexin distribution in rapidly growing cells, we evaluated the effects of dibutyryl cyclic adenosine monophosphate (DbcAMP) treatment on the cellular location of endogenous connexin 43 (Cx43) in an adrenal tumor cell population. Polyclonal antibodies to Cx43 and a Cx43 green...

journal_title：Endocrine research

authors： Wynn J,Shah U,Murray SA

更新日期：2002-11-01 00:00:00

abstract：:We have previously reported that the protein kinase C ligand 12-O-tetradecanoyphorbol-13-acetate (TPA) inhibited the angiotensin II (AII) stimulated CYP11B2 gene expression in the adrenocortical H295R cell line. Here we report that TPA increased the level of phospho-p44/42 MAPK but AII did not. The MEK1 inhibitor PD98...

journal_title：Endocrine research

authors： LeHoux JG,Lefebvre A

更新日期：2004-11-01 00:00:00

abstract：PURPOSE:To determine whether daily oral micronized progesterone affects bone turnover, as estimated by serum and urine biochemical markers, in postmenopausal women on long-term estrogen replacement therapy (ERT). METHODS:We recruited 14 women aged 65 or older to participate in a 9-week trial with micronized progestero...

journal_title：Endocrine research

authors： Azizi G,Hansen A,Prestwood KM

更新日期：2003-05-01 00:00:00

abstract：:Fifteen patients affected by new-onset Graves' disease with ophthalmopathy have been examined for lymphocyte subset phenotypes by two-colour cytometric analysis. CD5+ B cells were significantly increased in comparison to the normal population (43.2 +/- 20.6% versus 19.5 +/- 6.9%; p < 0.0009); total T cells showed a no...

journal_title：Endocrine research

authors： Afeltra A,Paggi A,Ferri GM,Amoroso A,Di Prima MA,Startari S,Faralli AR,Bonomo L

更新日期：1993-03-01 00:00:00

abstract：:11 beta-hydroxysteroid dehydrogenase (11 beta-HSD) catalyzes the interconversion of cortisol (F) to inactive cortisone (E) in man (corticosterone (B) to 11-dehydrocorticosterone (A) in rodents) and plays a crucial role in regulating corticosteroid hormone action. Two isoforms of this enzyme have been characterized; a ...

journal_title：Endocrine research

authors： Shimojo M,Condon J,Whorwood CB,Stewart PM

更新日期：1996-11-01 00:00:00

abstract：:Addition of cAMP (as the dibutyryl compound) to a primary culture of mouse Leydig cells caused the accumulation of a protein, i(b), with the same dependence on cAMP concentration as the increase in testosterone synthesis. Stimulation of both protein i(b) and testosterone production were inhibited by cycloheximide. Add...

journal_title：Endocrine research

authors： Pon LA,Epstein LF,Orme-Johnson NR

更新日期：1986-01-01 00:00:00

abstract：:Several lines of evidence have suggested that the nuclear receptor Steroidogenic Factor-1 (SF-1 or Ad4BP) may be directly involved in the cAMP-dependent regulation of steroid hydroxylase genes in adrenocortical cells. In the bovine CYP17 gene, which encodes the cytochrome P450 17alpha-hydroxylase, an SF-1 site is pres...

journal_title：Endocrine research

authors： Lund J,Jacob A,Aesöy R,Yri OE,Mellgren G

更新日期：1998-08-01 00:00:00

abstract：AIMS/HYPOTHESIS:Glucose tolerance progressively declines with age, and there is a high prevalence of type 2 diabetes in the elderly people. Previous studies have reported the sex differences in risk for type 2 diabetes, especially in the elderly people, whereas reasons for these sex differences remain poorly understood...

journal_title：Endocrine research

authors： Li T,Jiao W,Li W,Li H

更新日期：2016-08-01 00:00:00

abstract：:We studied whether the activation of rat brown adipose tissue (BAT) by cold exposure or by the administration of beta-3-noradrenergic agonist CGP-12177 could be prevented by the inhibition of thyroxine (T4) to triiodothyronine (T3) conversion. Hypothyroid rats were treated with replacement doses of T4, T4 plus iopanoi...

journal_title：Endocrine research

authors： Zaninovich AA,Rebagliati I,Raíces M,Ricci C,Hagmüller K

更新日期：2000-05-01 00:00:00

abstract：:Biochemical mechanisms by which analogs of thyrotropin-releasing hormone (TRH) produce their potent neuropharmacological actions on the brain remain ill-defined. We tested effects of YM14673, a novel analog of TRH, on TRH receptors in rat brains in vitro. No significant binding of [3H]YM14673 to brain plasma membranes...

journal_title：Endocrine research

authors： Monden T,Mizuma H,Yamada M,Murakami M,Mori M

更新日期：1995-11-01 00:00:00

abstract：:In order to study the role of Platelet Activating Factor (PAF) in the mechanism of parturition and connective tissue metabolism in the pregnant rat uterus, we investigated the influence of the Platelet Activating Factor Receptor Antagonist (BN 52021) on gestation duration and collagen concentration in pregnant rat ute...

journal_title：Endocrine research

authors： Bieńkiewicz A,Pajszczyk-Kieszkiewicz T,Kuś E,Dabrowski R

更新日期：1994-11-01 00:00:00

abstract：:Excessive aldosterone secretion in some hypertensive patients may result from abnormal aldosterone synthase (AS) gene regulation in response to changes in dietary sodium intake. We have utilized NCI-H295 cells, which exhibit stable angiotensin-induced aldosterone secretion, for transient transfections with murine AS/h...

journal_title：Endocrine research

authors： Holland OB,Carr B,Brasier AR

更新日期：1995-02-01 00:00:00

abstract：:Plasminogen activator inhibitor-1 (PAI-1) levels were found to be associated with obesity, indicating that adipocytes might influence PAI-1 plasma levels. In addition, the 4G/5G promoter polymorphism of the PAI-1 gene possibly modulates PAI-1 gene transcription and, as a consequence, PAI-1 plasma levels. Metabolic par...

journal_title：Endocrine research

authors： Zietz B,Buechler C,Drobnik W,Herfarth H,Schölmerich J,Schäffler A

更新日期：2004-08-01 00:00:00

abstract：:The adrenal cortex is a complex tissue comprising different cell types, including endocrine, stromal, nerve, perivascular, and endothelial cells. The pituitary hormone ACTH controls the coordinated development of the vasculature and the endocrine tissue mass. This suggests that paracrine secretions between steroidogen...

journal_title：Endocrine research

authors： Keramidas M,Feige JJ,Thomas M

更新日期：2004-11-01 00:00:00

abstract：:Dehydroepiandrosterone sulphate (DHEAS) is a steroid product of the adrenal gland, which circulates in high concentrations, but whose functions are largely unknown. There is evidence for antiproliferative effects of DHEAS in neoplastic tissue. The present study was designed to investigate the effects of DHEAS on vascu...

journal_title：Endocrine research

authors： Hinson JP,Khan M

更新日期：2004-11-01 00:00:00

abstract：OBJECTIVE:Some similar factors, such as genetic susceptibility and subinflammation/autoimmunity, contribute to development of both polycystic ovary syndrome (PCOS) and Hashimoto's thyroiditis (HT), suggesting a potential pathogenic link between the two common disorders. In this study, we investigated the relationship b...

journal_title：Endocrine research

authors： Arduc A,Aycicek Dogan B,Bilmez S,Imga Nasiroglu N,Tuna MM,Isik S,Berker D,Guler S

更新日期：2015-01-01 00:00:00

abstract：:There are striking similarities between Cushing's syndrome and the 'metabolic syndrome X' since both are characterised by hypertension, insulin resistance, glucose intolerance, hyperlipidaemia, and central obesity. The possibility that cortisol contributes to the associations between multiple risk factors for cardiova...

journal_title：Endocrine research

authors： Walker BR

更新日期：1996-11-01 00:00:00

abstract：:Progesterone (P) given intramuscularly increases renal sodium excretion. We tested the in vitro capacity of P to bind to the human mineralocorticoid receptor (MR) with a reticulocyte lysate system and Ps transactivation potency in transfected CV-1 cells. Progesterone binds with higher affinity to the MR than aldostero...

journal_title：Endocrine research

authors： Quinkler M,Diederich S

更新日期：2002-11-01 00:00:00

abstract：:Diabetes mellitus impairs ventricular function, which itself may be disparately influenced by gender. This study compared the impact of gender on cardiac contractile response in ventricular myocytes from wild-type FVB and calmodulin-induced diabetic transgenic (OVE26) mice at young (2 month) and older (11 month) age. ...

journal_title：Endocrine research

authors： Zhang X,Ye G,Duan J,Chen AF,Ren J

更新日期：2003-05-01 00:00:00

abstract：:The purpose of this study was to examine the effects of exercise on anterior pituitary hormones (adrenocorticotropic hormone (ACTH), leutinizing hormone (LH) and growth hormone) as well as on cortisol at low altitude (350 meters below the sea level) and to compare these effects with those at a moderate level altitude ...

journal_title：Endocrine research

authors： Bashir N,el-Migdadi F,Hasan Z,al-Hader AA,Wezermes I,Gharaibeh M

更新日期：1996-08-01 00:00:00

abstract：:It was the aim of this study to test for a possible effect of the new non ergot dopamine agonist CV 205-502 on plasma growth hormone (GH) concentrations in acromegaly. 10 acromegalic patients received a single oral dose of 150 micrograms CV 205-502 after an overnight fast. As a control group 7 acromegalic patients und...

journal_title：Endocrine research

authors： Svoboda T,Kotzmann H,Clodi M,Bernecker P,Geyer G,Luger A

更新日期：1994-02-01 00:00:00

abstract：:Mouse Y1 adrenocortical tumor cells harbor amplified and overexpressed c-Ki-ras gene, displaying relatively high constitutive levels of Ras x GTP. Here we report that Y1 cells also constitutively display high levels of phosphorylated AKT/PKB, that are dependent on Ras x GTP and PI3K. ACTH rapidly causes dephosphorylat...

journal_title：Endocrine research

authors： Forti FL,Armelin HA

更新日期：2000-11-01 00:00:00