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Type: Journal article
Title: Follistatin and activins in polycystic ovary syndrome: relationship to metabolic and hormonal markers
Author: Teede, H.
Ng, S.
Hedger, M.
Moran, L.
Citation: Metabolism-clinical and Experimental, 2013; 62(10):1394-1400
Publisher: W B Saunders Co
Issue Date: 2013
ISSN: 0026-0495
Statement of
Helena Teede, Sze Ng, Mark Hedger, Lisa Moran
Abstract: <h4>Objective</h4>Polycystic ovary syndrome (PCOS) is common and has reproductive and metabolic manifestations. Activin A and follistatin levels remain controversial and activin B levels are unstudied in PCOS. The aim of this study was to evaluate activin A, activin B and follistatin levels and to examine their associations with metabolic status in overweight and obese women with and without PCOS.<h4>Materials and methods</h4>Cross-sectional study assessing overweight and obese, premenopausal women with PCOS (n=51, n=26 National Institutes of Health (NIH) and n=25 non-NIH) and without PCOS (n=25 controls). Outcomes included activin A, activin B, follistatin and activin A/follistatin ratio and the association of the activins and follistatin with metabolic variables.<h4>Results</h4>Activin A, activin B and activin A/follistatin ratio were not significantly different and follistatin was elevated for PCOS versus controls (P=0.01) independent of age or BMI. Follistatin levels were significantly different across the PCOS phenotypes (p=0.05), however this was a non-significant trend (after correction for age and BMI) for women with NIH PCOS or non-NIH PCOS to have elevated levels in comparison to controls. Activin A was most strongly predicted by low density lipoprotein/high density lipoprotein (r(2)=0.192, p<0.001), follistatin by triglycerides and highly sensitive C-reactive protein (r(2)=0.340, p<0.001) and the activin A/follistatin ratio by insulin area under the curve and mean arterial pressure (r(2)=0.289, p<0.001).<h4>Conclusions</h4>Follistatin is elevated and activins A and B are not different between PCOS and controls. Follistatin and activin A are related to metabolic parameters in women with and without PCOS. Follistatin may potentially act as a marker of or be involved in the pathophysiology of both reproductive and metabolic features of PCOS.
Keywords: Polycystic ovary syndrome; Activin; Follistatin
Rights: Copyright © 2013 Elsevier Inc. All rights reserved.
RMID: 0020131923
DOI: 10.1016/j.metabol.2013.05.003
Appears in Collections:Obstetrics and Gynaecology publications

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