نتایج جستجو برای: sex steroid binding protein
تعداد نتایج: 1667173 فیلتر نتایج به سال:
Recently, it has been concluded that measurement of the serum free testosterone level is crucial for evaluating male gonadal function. However, the extent of the decline of serum free testosterone levels with aging and the actual levels in male infertility have not yet been clearly defined. In this study, the clinical significance of serum free testosterone levels was evaluated in a total of 24...
Antibody used in a steroid radioimmunoassay raised against a steroid hapten-carrier protein conjugate may recognize both the hapten and the chemical bridge to the protein. Use of the same bridge in the radio-isotopic label may lead to higher affinity binding to the label than to the native steroid. Inhibition curves under these conditions are shallow and generally not acceptable for radioimmuno...
We have investigated the physiochemical characteristics of trypsin-treated, molybdate-stabilized glucocorticoid-receptor complexes from rat liver in the presence of 10 mM sodium molybdate by high performance ion-exchange chromatography, high performance size-exclusion chromatography, and sedimentation analysis. Trypsin treatment was performed under conditions previously reported to degrade the ...
In vertebrates, the mineralocorticoid receptor (MR) is a steroid-activated nuclear (NR) that plays essential roles in water-electrolyte balance and blood pressure homeostasis. It belongs to group of oxo-steroidian NRs, together with glucocorticoid (GR), progesterone (PR), androgen (AR) receptors. Classically, these NRs homodimerize bind specific genomic sequences activate gene expression. are m...
Treatment of rat liver cytosol with hydrogen peroxide (H2O2) or sodium molybdate (MoO4(2-)) inhibits thermal inactivation of glucocorticoid receptor steroid-binding capacity at 25 degrees C. Dithiothreitol (DTT) prevents the stabilization of receptors by H2O2. Heating (25 degrees C) of immune pellets formed by immunoadsorption of L-cell murine glucocorticoid receptor complexes to protein-A-Seph...
OBJECTIVES Since sex hormone markers are metabolically linked, examining sex steroid hormones singly may account for inconsistent findings by age, race/ethnicity and body mass index (BMI) across studies. First, these markers were statistically combined into profiles to account for the metabolic relationship between markers. Then, the relationships between sex steroid hormone profiles and age, r...
A putative Membrane Steroid Binding Protein (designated MSBP1) was identified and functionally characterized as a negative regulator of cell elongation in Arabidopsis thaliana. The MSBP1 gene encodes a 220-amino acid protein that can bind to progesterone, 5-dihydrotestosterone, 24-epi-brassinolide (24-eBL), and stigmasterol with different affinities in vitro. Transgenic plants overexpressing MS...
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