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J Reprod Med. 2013 Mar-Apr;58(3-4):107-14.

Oxidative stress and inflammation in lean and obese subjects with polycystic ovary syndrome.

Author information

  • 1Nutrition and Metabolism Group, Centre for Public Health, Queen's University, Belfast, and the Department of Diabetes and Endocrinology, Adelaide and Meath Hospital, Dublin, U.K.

Abstract

OBJECTIVE:

To determine whether polycystic ovary syndrome (PCOS) independently influences oxidative stress and inflammation or if the culprit is the comorbidities of obesity and/or insulin resistance common to this condition.

STUDY DESIGN:

Thirty women with PCOS were matched for age, body mass index and insulin resistance with 30 control subjects. Oxidative stress was examined by measuring the total oxidant status (TOS) and total antioxidant capacity (TAC) by spectrophotometric assay. The inflammatory biomarkers, C-reactive protein, plasminogen activator inhibitor-1, myeloperoxidase, neopterin, and serum amyloid A were measured by ELISA methodologies.

RESULTS:

Oxidative status was increased in the PCOS subjects relative to their weight-matched controls (TOS: obese PCOS patients vs. obese controls, 42.42 +/- 4.49 vs. 32.57 +/- 1.97, p<0.05; lean PCOS patients vs. lean controls, 33.69 +/- 1.59 vs. 28.69 +/- 1.18 micromol H2O2 Equiv/L, p < 0.05). Furthermore, antioxidant capacity was lower in the lean PCOS group relative to their weight-matched controls (TAC: lean PCOS patients vs. lean controls, 1.10 +/- 0.09 vs. 1.49 +/- 0.03 nmol Trolox Equiv/L, p < 0.05).

CONCLUSION:

These results suggest that PCOS independently influenced oxidative stress. Overall, the presence of PCOS may increase cardiovascular risk.

PMID:
23539878
[PubMed - indexed for MEDLINE]
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