DOI: http://dx.doi.org/10.18203/2320-6012.ijrms20163774

The plasma nitric oxide and homocysteine levels and their association with insulin resistance in South Indian women with polycystic ovary syndrome

Kandasamy S., Inmozhi Sivagamasundari R., Bupathy A., Sethupathy S.

Abstract


Background: Women with polycystic ovary syndrome (PCOS) exhibit features of the metabolic syndrome apart from low-grade chronic inflammation and endothelial dysfunction and may be at increased risk for cardiovascular disease (CVD). The Nitric oxide (NO) and Homocysteine (Hcy) are important plasma markers of endothelial dysfunction, an early marker of atherosclerosis. There are no Indian studies on NO and Hcy levels in women with PCOS and their association with Insulin Resistance (IR). Therefore the present study is to estimate plasma levels of NO and Hcy in south Indian women with PCOS and association with insulin resistance.

Methods: 104 women with PCOS and 95 healthy age matched control subject were enrolled in the study. Standard physical methods and Chemiluminescent Immunoassay technique were employed for estimation of Anthropometric parameter and plasma sex hormones respectively. Fasting insulin, glucose, NO and Hcy were measured by standard methods. Insulin resistance was evaluated by using Homeostasis Model Assessment for Insulin Resistance (HOMA- IR)

Results: Women with PCOS had significantly higher insulin resistance (P<0.01), Hcy (p<0.05) and lower NO levels (P<0.05), IR was positively correlated with Hcy (r= 0.610, p<0.01) and negatively correlated with NO (r= -0.285; p<0.01)

Conclusions: Our data revealed that South Indian women with PCOS had elevated IR and homocyeteine and lowered NO levels.


Keywords


Endothelial dysfunction, Homocysteine, Insulin resistance, Nitric oxide, Polycystic ovary syndrome

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