Soluble forms of the receptor for advanced glycation end product could be an endogenous protection factor against occurrence of DF, hence may be of therapeutic value in the treatment of DF.

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Chemerinwas recently added to the adipokine family and was identified in human ovarian follicles and follicular fluid that suggests a direct correlation between chemerin and PCOS. Asymmetric dimethyl arginine (ADMA) is involved in endothelial dysfunctionthe atherogenic potential of ADMA has been investigated in young patients with PCOS. Oxidative stress is considered to be implicated in the pathophysiology of PCOS.Paraoxonase 1 (PON1) is an antioxidant enzyme and its concentration has been shown to be inversely associated with oxidative stress. Objectives: Evaluation of serum chemerin, ADMA, PON1in obese and non-obese polycystic ovarian patients to postulate their role in pathogenesis of PCOS. Methods: Ninetynuligravida women aged 20-35 (60 with PCOS and 30 controls) were recruited. Fasting blood was obtained on day 2 or 3 of the menstrual cycle. Clinical evaluation, hormonal profile, Chemerin, ADMA and PON1 were assessed. Results: There was a significant increase in serum chemerinlevels in PCOS obese group when compared with PCOS non obese patients and healthy controls non obese and obese respectively. Serum ADMA level was increased significantly in PCOS obese group as compared to the PCOS non obese group , control non obese and control obese. Paraoxonase was decreased stepwise significantly from the control non obese group and control obese group to PCOS non obese patients then PCOS obese patients to. Conclusions: it could be suggested that increased chemerin has a role in PCOS development andaltered ADMA and PON1 associated withobesity and oxidative stress may exacerbate the condition.

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