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01 January 2008

The correlations between endogenous dehydroepiandrosterone sulfate and some atherosclerosis risk factors in premenopausal women

Grazyna Bednarek-TupikowskaABCDEFG, Urszula Tworowska-BardzinskaEF, Krzysztof TupikowskiCD, Anna Bohdanowicz-PawlakF, Jadwiga SzymczakF, Eliza KubickaF, Anna Skoczynska, Andrzej MilewiczAG

Med Sci Monit 2008; 14(1): CR37-41 :: ID: 636061

Abstract

Background
Dehydroepiandrosterone (DHEA) is postulated to have antiatherogenic properties, but the possible mechanism of this action is unclear. The aim of this study was to determine the influence of endogenous DHEA-S on the levels of some factors playing significant roles in atherogenesis.
Material and Method
In a group of 40 premenopausal women, relationships between endogenous DHEA-S and serum lipids and the apolipoproteins A1 (apoA1) and B (apoB), serum lipid peroxide (LPO), and total antioxidant system (TAS) concentrations as markers of the serum antioxidant-prooxidant balance were measured as well as clinical and biochemical parameters playing roles in atheromatosis such as the type of obesity and the serum glucose, insulin, insulin-like growth factor (IGF-1) and homocysteine (HCY) concentrations.
Results
Statistical analysis revealed significant correlation (p<0.05) between serum DHEA-S level and the serum concentrations of: HDL(2)-C (r=0.53), HDL(2)-C/HDL(3)-C (r=0.58), TG (r=0.35), IGF-1 (r=0.39), and HCY (r=-0.44). There was no statistically significant correlation between DHEA-S level and other biochemical and clinical parameters (age, BMI, WHR) found in this study.
Conclusions
Despite unfavorable correlation between DHEA-S and TG concentration, the results of this study indicate a potential antiatherogenic action of DHEA which may occur through various mechanisms: by increasing HDL(2)-C and the HDL(2)-C/HDL(3)-C ratio, which has an atheroprotective effect, by elevating the serum IGF-1 concentration, or by decreasing the HCY level. These preliminary results, however, require further investigation.

Keywords: Lipids - blood, Insulin-Like Growth Factor I - metabolism, Insulin - blood, Homocysteine - blood, Dehydroepiandrosterone Sulfate - blood, Risk Factors, Premenopause - blood, Blood Glucose - metabolism, Atherosclerosis - etiology

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750