Relation of plasma galectin-3 level with parameters of chronic inflammation and insulin resistance in the patients with polycystic ovary syndrome / 中华内分泌代谢杂志

ABSTRACT

A total of 108 subjects were enrolled in this study, including 21 healthy subjects(control group), 34 non-obese patients with polycystic ovary syndrome [PCOS1 group, body mass index(BMI)<25 kg/m2], 32 obese patients with PCOS(PCOS2 group, BMI≥25 kg/m2), and 21 simple obese patients whose age and BMI matched with PCOS2(OB group). BMI, waist-hip ratio(WHR), fasting plasma glucose(FPG), postprandial 2h plasma glucose(2hPG), HbA1C, fasting insulin(FINS), postprandial 2h insulin(2hINS), sex hormones, and lipid parameters were determined. The status of insulin resistance was assessed by homeostasis model assessment for insulin resistant index(HOMA-IR)and insulin sensitivity index(ISI). Levels of plasma galectin-3 and interleukin-6(IL-6)were detected by ELISA. The results showed that the plasma level of galectin-3 was significantly higher in PCOS group than those in control and OB groups(all P<0.05). Moreover, the level of galectin-3 was also higher in OB group compared with control group, while galectin-3 level in PCOS2 group was higher than that in PCOS1 group(all P<0.05). After adjusted by age, BMI, and WHR, correlation analysis showed that the level of galectin-3 was positively correlated with FPG, 2hPG, FINS, HOMA-IR, highly-sensitive C-reactive protein, and IL-6, while negatively correlated with ISI. A multiple linear regression analysis revealed that the plasma galectin-3 concentration was independently associated with IL-6, HOMA-IR, and BMI(all P<0.05). These data suggest that plasma galectin-3 is closely associated with glucose metabolism, chronic inflammation, and insulin resistance, which may be involved in the pathogenesis of PCOS. (Chin J Endocrinol Metab, 2018, 34: 578-582)