ECE2008 Poster Presentations Reproduction (48 abstracts)
Relation of proatherogenic lipid profile and insulin resistance in PCOS
Djuro Macut 1 , Dimitrios Panidis 2 , Biljana Glisic 3 , Nikolaos Spanos 2 , Milan Petakov 1 , Jelica Bjekic 4 , Ivana Bozic 1 & Svetozar Damjanovic 1
1Institute of Endocrinology, Diabetes and Metabolic Diseases, Clinical Center of Serbia, Belgrade, Serbia; 2Division of Endocrinology and Human Reproduction, 2nd Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Thessaloniki, Greece; 3Institute of Medical Biochemistry, Clinical Center of Serbia, Belgrade, Serbia; 4Department of Endocrinology, CHC Bežanijska kosa, Belgrade, Serbia.
Polycystic ovary syndrome (PCOS) is a common reproductive endocrine disorder. The metabolic aspect of disorder is characterized by obesity-related risk factors for cardiovascular disease. The aim of this study was to determine in women with PCOS, indices of lipid metabolism and their oxidation, and to assess possible relation to insulin resistance. We investigated 75 women with PCOS (age: 23.1±5.1 years, body mass index (BMI): 24.9±4.7 kg/m2) and 56 age and BMI respective controls. In all subjects after an overnight fast, blood samples were collected in follicular phase of the cycle for basal glucose, total-, HDL- and LDL-cholesterol, oxidized LDL (OxLDL), triglycerides, apolipoprotein – A1, B and E, nonesterified fatty acid (NEFA), insulin, testosterone and SHBG. Homeostatic model (HOMA index) and free androgen index were determined. PCOS patients in comparison to controls had increased indices of insulin resistance, basal insulin and HOMA index (14.3±8.7 vs 8.2±3.4 mU/l, P<0.001 and 3.2±2.0 vs 1.7±0.7, P<0.001 respectively), and deteriorated insulin resistance-related dyslipidemia with decreased HDL-cholesterol (1.2±0.3 vs 1.5±0.3 mmol/l, P<0.01), elevated triglycerides (1.0±0.6 vs 0.8±0.4 mmol/l, P=0.010), and pronounced LDL oxidation 66.9±33.0 vs 50.2±14.6 ng/ml, P<0.001). In conclusion, PCOS women had characteristic dyslipidemia of insulin resistance. Elevated OxLDL, and relation to the insulin insulin (r=0.389, P<0.01) and HOMA (r=0.343, P<0.01), is suggestive on premature atherosclerosis in patients with PCOS.
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Endocrine Abstracts
ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
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