PCOS (polycystic ovary syndrome) is associated with reproductive abnormalities, IR (insulin resistance) and elevated risk factors for CVD (cardiovascular disease) and Type 2 diabetes, including endothelial dysfunction. The present study aimed to assess a range of circulating markers of endothelial function in overweight women with and without PCOS. Overweight and obese age- and BMI (body mass index)-matched women with (n=80) and without (n=27) PCOS were assessed in a cross-sectional study. End-point measures were HOMA (homoeostasis model assessment)-IR, androgens, lipids, inflammatory markers [hsCRP (high-sensitivity C-reactive protein)] and endothelial function [FMD (flow-mediated dilation), ADMA (asymmetric dimethylarginine), PAI-1 (plasminogen activator inhibitor-1) and vWF (von Willebrand factor)]. Women with PCOS had elevated HOMA-IR (4.1±3.4 compared with 1.9±1.4), free androgen index (9.3±5.6 compared with 4.6±3.8), total cholesterol (5.2±1.0 compared with 4.7±0.9 mmol/l) and triacylglycerols (triglycerides; 1.4±0.7 compared with 0.9±0.3 mmol/l) (P<0.05 for all), but similar hsCRP compared with women without PCOS. With regard to endothelial function, women with PCOS had elevated ADMA (1.0±0.4 compared 0.3±0.1 μmol/l, P<0.001) and PAI-1 (5.6±1.8 compared with 4.6±1.1 units/ml, P=0.006), a trend towards worsened FMD (11.8±5.0 compared with 13.5±4.0%, P=0.075) and no difference in vWF compared with controls. For all subjects, ADMA (P=0.002) and PAI-1 (P<0.001) were increased with higher tertiles of HOMA-IR. Women with PCOS are hyperandrogenic, dyslipidaemic and have IR, and have risk factors for CVD and diabetes including increased circulating markers of endothelial function (ADMA and PAI-1) and a trend towards worse FMD as a global marker of endothelial function. In PCOS, deterioration in endothelial function is related to IR, hyperandrogenism and other factors.
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May 2009
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Research Article|
April 15 2009
A comprehensive assessment of endothelial function in overweight women with and without polycystic ovary syndrome
Lisa J. Moran;
*The Jean Hailes Foundation for Women's Health, Monash Institute of Health Services Research, Monash University, Melbourne 3168, Australia
Correspondence: Dr Lisa J. Moran ([email protected]).
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Samantha K. Hutchison;
Samantha K. Hutchison
*The Jean Hailes Foundation for Women's Health, Monash Institute of Health Services Research, Monash University, Melbourne 3168, Australia
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Caroline Meyer;
Caroline Meyer
†Diabetes Unit, Southern Health, Melbourne 3168, Australia
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Sophia Zoungas;
Sophia Zoungas
*The Jean Hailes Foundation for Women's Health, Monash Institute of Health Services Research, Monash University, Melbourne 3168, Australia
†Diabetes Unit, Southern Health, Melbourne 3168, Australia
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Helena J. Teede
Helena J. Teede
*The Jean Hailes Foundation for Women's Health, Monash Institute of Health Services Research, Monash University, Melbourne 3168, Australia
†Diabetes Unit, Southern Health, Melbourne 3168, Australia
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Publisher: Portland Press Ltd
Received:
June 11 2008
Revision Received:
September 09 2008
Accepted:
October 13 2008
Accepted Manuscript online:
October 13 2008
Online ISSN: 1470-8736
Print ISSN: 0143-5221
© The Authors Journal compilation © 2009 Biochemical Society
2009
Clin Sci (Lond) (2009) 116 (10): 761–770.
Article history
Received:
June 11 2008
Revision Received:
September 09 2008
Accepted:
October 13 2008
Accepted Manuscript online:
October 13 2008
Citation
Lisa J. Moran, Samantha K. Hutchison, Caroline Meyer, Sophia Zoungas, Helena J. Teede; A comprehensive assessment of endothelial function in overweight women with and without polycystic ovary syndrome. Clin Sci (Lond) 1 May 2009; 116 (10): 761–770. doi: https://doi.org/10.1042/CS20080218
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