Circulating markers of oxidative stress and polycystic ovary syndrome (PCOS): a systematic review and meta-analysis.Hum Reprod Update. 2013 May-Jun; 19(3):268-88.HR
Abstract
BACKGROUND
Oxidative stress might be associated with polycystic ovary syndrome (PCOS), but relatively small studies published to date do not permit reaching a definitive conclusion. We aimed at conducting a systematic review and meta-analysis of studies evaluating circulating markers of oxidative stress in patients with PCOS.METHODS
We conducted a systematic review of studies reporting circulating markers of oxidative stress in women with PCOS and controls published up to June 2012, using Entrez PubMed and EMBASE online facilities. Meta-analysis calculated standardized mean differences (SMDs) and 95% confidence intervals (95CI).RESULTS
From 1633 potential studies identified electronically, 68 studies, including 4933 PCOS patients and 3671 controls, were selected. For each of nine circulating markers of oxidative stress, an individual meta-analysis was conducted. Compared with control women, patients with PCOS presented higher circulating concentrations of homocysteine (23% increase, SMD 0.6, 95CI, 0.4-0.8), malondialdehyde (47% increase, SMD 1.9, 95CI 1.2-2.6) and asymmetric dimethylarginine (36% increase, SMD 1.1, 95CI 0.6-1.6), and increased superoxide dismutase activity (34% increase, SMD 1.0, 95CI 0.5-1.4) and decreased glutathione levels (50% decrease, SMD -3.7, 95CI -6.2 to -1.2) and paraoxonase-1 activity (32% decrease, SMD -0.9, 95CI -1.3 to -0.4). Similar results were found when restricting the analyses to studies in which patients and controls were matched for age and body mass index.CONCLUSIONS
Circulating markers of oxidative stress are abnormal in women with PCOS independent of weight excess. This finding suggests that oxidative stress may participate in the pathophysiology of this common disorder.Links
MeSH
Pub Type(s)
Journal Article
Meta-Analysis
Research Support, Non-U.S. Gov't
Review
Systematic Review
Language
eng
PubMed ID
23303572
Clinical Trial Links
Citation
Murri, Mora, et al. "Circulating Markers of Oxidative Stress and Polycystic Ovary Syndrome (PCOS): a Systematic Review and Meta-analysis." Human Reproduction Update, vol. 19, no. 3, 2013, pp. 268-88.
Murri M, Luque-Ramírez M, Insenser M, et al. Circulating markers of oxidative stress and polycystic ovary syndrome (PCOS): a systematic review and meta-analysis. Hum Reprod Update. 2013;19(3):268-88.
Murri, M., Luque-Ramírez, M., Insenser, M., Ojeda-Ojeda, M., & Escobar-Morreale, H. F. (2013). Circulating markers of oxidative stress and polycystic ovary syndrome (PCOS): a systematic review and meta-analysis. Human Reproduction Update, 19(3), 268-88. https://doi.org/10.1093/humupd/dms059
Murri M, et al. Circulating Markers of Oxidative Stress and Polycystic Ovary Syndrome (PCOS): a Systematic Review and Meta-analysis. Hum Reprod Update. 2013 May-Jun;19(3):268-88. PubMed PMID: 23303572.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR
T1 - Circulating markers of oxidative stress and polycystic ovary syndrome (PCOS): a systematic review and meta-analysis.
AU - Murri,Mora,
AU - Luque-Ramírez,Manuel,
AU - Insenser,María,
AU - Ojeda-Ojeda,Miriam,
AU - Escobar-Morreale,Hector F,
Y1 - 2013/01/09/
PY - 2013/1/11/entrez
PY - 2013/1/11/pubmed
PY - 2013/9/26/medline
SP - 268
EP - 88
JF - Human reproduction update
JO - Hum Reprod Update
VL - 19
IS - 3
N2 - BACKGROUND Oxidative stress might be associated with polycystic ovary syndrome (PCOS), but relatively small studies published to date do not permit reaching a definitive conclusion. We aimed at conducting a systematic review and meta-analysis of studies evaluating circulating markers of oxidative stress in patients with PCOS. METHODS We conducted a systematic review of studies reporting circulating markers of oxidative stress in women with PCOS and controls published up to June 2012, using Entrez PubMed and EMBASE online facilities. Meta-analysis calculated standardized mean differences (SMDs) and 95% confidence intervals (95CI). RESULTS From 1633 potential studies identified electronically, 68 studies, including 4933 PCOS patients and 3671 controls, were selected. For each of nine circulating markers of oxidative stress, an individual meta-analysis was conducted. Compared with control women, patients with PCOS presented higher circulating concentrations of homocysteine (23% increase, SMD 0.6, 95CI, 0.4-0.8), malondialdehyde (47% increase, SMD 1.9, 95CI 1.2-2.6) and asymmetric dimethylarginine (36% increase, SMD 1.1, 95CI 0.6-1.6), and increased superoxide dismutase activity (34% increase, SMD 1.0, 95CI 0.5-1.4) and decreased glutathione levels (50% decrease, SMD -3.7, 95CI -6.2 to -1.2) and paraoxonase-1 activity (32% decrease, SMD -0.9, 95CI -1.3 to -0.4). Similar results were found when restricting the analyses to studies in which patients and controls were matched for age and body mass index. CONCLUSIONS Circulating markers of oxidative stress are abnormal in women with PCOS independent of weight excess. This finding suggests that oxidative stress may participate in the pathophysiology of this common disorder.
SN - 1460-2369
UR - https://www.unboundmedicine.com/medline/citation/23303572/full_citation
L2 - https://academic.oup.com/humupd/article-lookup/doi/10.1093/humupd/dms059
DB - PRIME
DP - Unbound Medicine
ER -