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Gynecol Endocrinol. 2012 Sep;28(9):722-5. doi: 10.3109/09513590.2011.652719. Epub 2012 Feb 4.

High plasma level of long Pentraxin 3 is associated with insulin resistance in women with polycystic ovary syndrome.

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  • 1Department of Endocrinology and Metabolism, Gulhane School of Medicine, Etlik, Ankara, Turkey.



Polycystic ovary syndrome (PCOS) is characterized by insulin resistance. Chronic low-grade inflammation has been anticipated to play role in the pathogenesis of both insulin resistance and atherosclerosis. Pentraxin 3 (PTX3) is an inflammatory mediator synthesized in a variety of cells and tissues including heart, vascular endothelial cells, macrophages and adipocytes. In the present study, serum PTX3 level and its relationship with insulin resistance were investigated in patients with PCOS.


Forty patients with PCOS and 40 age- and body mass index (BMI)-matched healthy controls were enrolled in the study. PTX3 and high-sensitivity C-reactive protein (hs-CRP) levels were determined by enzyme immunoassay (EIA). Insulin resistance was calculated by the homeostasis model assessment of insulin resistance (HOMA-IR) formula.


Plasma levels of PTX3, hs-CRP and HOMA-IR scores were all significantly higher (p = 0.021, p = 0.002 and p = 0.0001, respectively) in women with PCOS compared with healthy controls. Blood PTX3 level correlated positively with hs-CRP, BMI, waist-to-hip ratio (WHR), HOMA-IR and negatively with high-density lipoprotein cholesterol level (p < 0.05, for all). After adjustment for age and BMI, PTX3, total testosterone levels and BMI remained as independent predictors of HOMA-IR scores (p < 0.05, for all).


PTX3 level is increased in patients with PCOS in concordance with insulin resistance.

[PubMed - indexed for MEDLINE]
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