The effect of Sutherlandia frutescens on steroidogenesis: confirming indigenous wisdom.

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：INTRODUCTION:The scavenger receptor class B type I (SR-BI) is a key component in the reverse cholesterol transportation. The aim of this study was to assess the association between exon1 (G → A) polymorphism of SR-BI gene and lipid profiles among the Tehran Lipid and Glucose Study (TLGS) population. MATERIALS AND METH...

journal_title：Endocrine research

authors： Faam B,Daneshpour MS,Hedayati M,Halalkhor S,Mansournia MA,Zarkesh M,Azizi F

更新日期：2014-01-01 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：: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：:Steroid 21-hydroxylase deficiency is the most frequent cause of congenital adrenal hyperplasia, an inherited inability to synthesize cortisol. Mutations causing this disorder have been characterized by hybridization analysis of patient DNA samples using cDNA and oligonucleotide probes, and by cloning and sequencing of...

journal_title：Endocrine research

authors： White PC

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND:Tetraiodothyroacetic acid (tetrac) and its nanoparticulate formulation (Nanotetrac) act at a cell surface receptor to block angiogenesis and tumor cell proliferation. OBJECTIVE:The complex anti-angiogenic properties of tetrac and Nanotetrac caused us to search in the literature and in certain of our unpubli...

journal_title：Endocrine research

authors： Davis PJ,Glinsky GV,Lin HY,Incerpi S,Davis FB,Mousa SA,Tang HY,Hercbergs A,Luidens MK

更新日期：2013-01-01 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

abstract：PURPOSE:The aim of the present study was to investigate the association between plasma homocysteine (Hcy) levels and carotid, cardiac, and renal end-organ damage in newly diagnosed type 2 diabetes mellitus (T2DM) patients. METHODS:Newly diagnosed normotensive T2DM patients (n = 390) were enrolled in this study. The pa...

journal_title：Endocrine research

authors： Kundi H,Kiziltunc E,Ates I,Cetin M,Barca AN,Ozkayar N,Ornek E

更新日期：2017-02-01 00:00:00

abstract：:We quantitated serial serum beta-hydroxybutyrate (beta-OHB) levels using the Ketosite method in 9 children with IDDM who were treated for diabetic ketoacidosis (DKA) and compared them to urinary ketone measurements by dipstick. Persistent elevations of serum beta-OHB were seen in six patients when the urine became cle...

journal_title：Endocrine research

authors： Nadgir UM,Silver FL,MacGillivray MH

更新日期：2001-02-01 00:00:00

abstract：:It is now well documented that obesity is associated with a chronic low-grade inflammatory state. Levels of high-sensitivity C-reactive protein, a marker of systemic inflammation and a mediator of atherothrombotic disease, have been shown to correlate with cardiovascular disease risk. Our objective was to evaluate the...

journal_title：Endocrine research

authors： Coban E,Sari R

更新日期：2004-08-01 00:00:00

abstract：:The B vitamin nicotinamide (NIC), commonly known as niacin, is currently in trial as a potential means of preventing Type 1 diabetes in first-degree relatives of affected individuals. Sodium butyrate (BUT) a common dietary micronutrient has also been reported to have beneficial effects on the differentiation and funct...

journal_title：Endocrine research

authors： Liu HK,Green BD,Flatt PR,McClenaghan NH,McCluskey JT

更新日期：2004-02-01 00:00:00

abstract：:Maternal smoking is considered to be a risk factor for low birth weight. It is hypothesized that alteration in leptin concentration may be associated with reduced fetal growth. In this study, we assess the effect of smoking during pregnancy on maternal and neonatal serum leptin concentrations, and also on breast milk ...

journal_title：Endocrine research

authors： Ozkan B,Ermis B,Tastekin A,Doneray H,Yildirim A,Ors R

更新日期：2005-01-01 00:00:00

abstract：:Neuropeptide Y (NPY) and calcitonin gene-related peptide (CGRP) are both intrapancreatic neuropeptides that are known to inhibit stimulated insulin secretion. In the present study, we examined their influences on basal and stimulated glucagon and insulin secretion in the mouse. Either NPY or CGRP was injected intraven...

journal_title：Endocrine research

authors： Pettersson M,Lundquist I,Ahrén B

更新日期：1987-01-01 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：:The question of whether ethanol's (ETOH's) known suppressive effect on serum luteinizing hormone (LH) could be mediated directly at the anterior pituitary level was addressed by examining the effects of ETOH in vitro on release of LH from cultured male rat pituitary cells. The impact of added ethanol concentrations ra...

journal_title：Endocrine research

authors： Emanuele MA,Tentler J,Emanuele NV,Reda D,Kirsteins L,Lawrence AM

更新日期：1989-01-01 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：:Adrenocortical steroidogenesis is regulated in addition to a central regulation via the hypothalamus-pituitary-adrenal axis by intra-adrenal mechanisms involving the adrenal medulla. We could previously show that adrenocortical steroidogenesis is stimulated by co-culturing bovine adrenocortical cells with medullary ch...

journal_title：Endocrine research

authors： Ehrhart-Bornstein M,Haidan A,Alesci S,Bornstein SR

更新日期：2000-11-01 00:00:00

abstract：:There are two main regulatory sites of aldosterone biosynthesis, the early rate-limiting step by the P450scc and the final steps by the P450aldo. We have already demonstrated that, during gestation, activity and mRNA levels of P450aldo are increased. It has been shown that changes in sodium and potassium in the diet m...

journal_title：Endocrine research

authors： Brochu M,Roy-Clavel E,Picard S,St-Louis J

更新日期：1998-08-01 00:00:00

abstract：:We sought to determine the effect of maternal infections on the fetal hypothalamic-pituitary-adrenal axis. Umbilical cord blood was collected at vaginal delivery after labor (24-44 wk. gestation) from 361 infants of women having normal pregnancy ( apart from preterm delivery in some) and 110 infants of women diagnosed...

journal_title：Endocrine research

authors： Falkenberg ER,Davis RO,DuBard M,Parker CR Jr

更新日期：1999-08-01 00:00:00

abstract：:Neutrophils have an important role in the host defense. The elevated serum glucose levels of diabetics affect traditional host defenses such as neutrophil counts and functions. The causes of these impairments are not clear. We aimed to investigate changes of peripheral neutrophil counts and functions and their relatio...

journal_title：Endocrine research

authors： Cantürk Z,Cantürk NZ,Cetinarslan B,Erçin C,Dökmetaş S,Sencan M

更新日期：1999-08-01 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：: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：:In order to clarify the roles of cholinergic and serotonergic neurotransmission in the mediation of exercise-induced growth hormone (GH) release, normal young volunteers of both sexes were studied. Exercise was for 20 minutes at 800 kpm for the men and 500 kpm for the women. Pretreatment with 0.4 mg atropine 1 hour pr...

journal_title：Endocrine research

authors： Brillon D,Nabil N,Jacobs LS

更新日期：1986-01-01 00:00:00

abstract：:Tumor-promoting phorbol esters are believed to affect cell functions by activating a Ca+2-and lipid-dependent protein kinase (protein kinase C). 12-0-Tetradecanoyl phorbol-13-acetate (TPA) inhibits LH stimulation of progesterone (P) accumulation in rat granulosa cells. To determine the mechanisms by which TPA inhibits...

journal_title：Endocrine research

authors： Kawai Y,Clark MR

更新日期：1986-01-01 00:00:00

abstract：:The objective of the current investigation was to study adrenomedullary and glycemic responses to stress in soft-shelled turtles, Lissemys p. punctata. Dehydration (7 days) and formalin (formaldehyde 1%, 0.1 mL/100 g body wt. daily for 7 days) stress-stimulated adrenomedullary activity at histological (by increasing t...

journal_title：Endocrine research

authors： Ray PP,Sarkar S,Chaudhuri-Sengupta S,Maiti BR

更新日期：2008-01-01 00:00:00

abstract：:The effect of crowding on the pituitary-gonadal axis was studied in adult male rats. Crowding reduced body weight gain, did not alter relative adrenal weight and increased relative testis weight. Neither basal levels of corticosterone nor its response to acute stress were altered by crowding. Likewise, LH secretion wa...

journal_title：Endocrine research

authors： Armario A,Lopez-Calderón A

更新日期：1986-01-01 00:00:00

abstract：:The rat adrenal cortex possesses at least two mechanisms for uptake of extracellular lipoprotein cholesterol; one is receptor mediated endocytosis and the second is a non-endocytotic pathway. The latter was revealed by the ability of lipoproteins such as HDL which do not possess apo B or apo E to enhance steroid hormo...

journal_title：Endocrine research

authors： Gwynne JT,Hess B,Hughes T,Rountree R,Mahaffee D

更新日期：1984-01-01 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：:A comparative study (n = 20) of serum levels of leutinizing hormone (LH) and testosterone (T) between male trained athletes (high-school students, 16-18 years old) living in North and South Shouna in the Jordan Valley (JV), 320-360 meters below sea level, and those living in Ramtha and Irbid, 550-650 meters above sea ...

journal_title：Endocrine research

authors： Bani Hani I,El-Migdadi F,Shotar A,Abudheese R,Bashir N

更新日期：2001-02-01 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