Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2023
Plasma visfatin and apelin levels in adolescents with polycystic ovary syndrome.
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Ruan Xiangyan, Li Meng, Min Min, Ju Rui, Wang Husheng, Xu Zhongting, Luo Suiyu, Mueck Alfred Otto
Аннотация
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common endocrine disorder that usually begins during adolescence. Patients may have severe metabolic disorders.
OBJECTIVE: To investigate the levels of visfatin and apelin in adolescent girls with PCOS and to explore the importance of visfatin and apelin in glucose and lipid metabolism.
METHODS: A total of 88 girls (aged 12-20 years) were prospectively and consecutively recruited during two years for the PCOS group (n = 44) and the control group (n = 44). Serum visfatin, apelin and other metabolic parameters were measured. Receiver operator characteristics (ROC) curve analysis was performed to reveal the diagnostic potential.
RESULTS: Visfatin, apelin and indicators of glucose and lipid-metabolism were not different for PCOS patients compared to control. However, insulin resistance (IR) in the PCOS-group was more frequent (p < 0.05). Visfatin in non-IR patients was higher than in IR-patients in the PCOS-group (p < 0.05). However, there was no difference in apelin levels between IR and non-IR patients in the PCOS-group (p > 0.05). ROC-curve analyses demonstrated that the optimal value of visfatin for predicting IR in PCOS-patients was 7.14 ng/mL, with 78.1% sensitivity and 68.7% specificity. In the PCOS-group, visfatin was positively correlated with high density lipoprotein cholesterol (HDL-C), and negatively correlated with HOMA-IR, apolipoprotein B (Apo-B), cholesterol (CHO), low density lipoprotein cholesterol (LDL-C) and CHO/HDL-C ratio (p < 0.05). Apelin had no correlation with all indices (p > 0.05).
CONCLUSIONS: Higher visfatin levels may prevent IR in adolescent PCOS patients, showing a positive predictive value for IR and also reflecting a beneficial effect on lipids. It is a possible protective factor at certain stages of metabolic syndrome.
OBJECTIVE: To investigate the levels of visfatin and apelin in adolescent girls with PCOS and to explore the importance of visfatin and apelin in glucose and lipid metabolism.
METHODS: A total of 88 girls (aged 12-20 years) were prospectively and consecutively recruited during two years for the PCOS group (n = 44) and the control group (n = 44). Serum visfatin, apelin and other metabolic parameters were measured. Receiver operator characteristics (ROC) curve analysis was performed to reveal the diagnostic potential.
RESULTS: Visfatin, apelin and indicators of glucose and lipid-metabolism were not different for PCOS patients compared to control. However, insulin resistance (IR) in the PCOS-group was more frequent (p < 0.05). Visfatin in non-IR patients was higher than in IR-patients in the PCOS-group (p < 0.05). However, there was no difference in apelin levels between IR and non-IR patients in the PCOS-group (p > 0.05). ROC-curve analyses demonstrated that the optimal value of visfatin for predicting IR in PCOS-patients was 7.14 ng/mL, with 78.1% sensitivity and 68.7% specificity. In the PCOS-group, visfatin was positively correlated with high density lipoprotein cholesterol (HDL-C), and negatively correlated with HOMA-IR, apolipoprotein B (Apo-B), cholesterol (CHO), low density lipoprotein cholesterol (LDL-C) and CHO/HDL-C ratio (p < 0.05). Apelin had no correlation with all indices (p > 0.05).
CONCLUSIONS: Higher visfatin levels may prevent IR in adolescent PCOS patients, showing a positive predictive value for IR and also reflecting a beneficial effect on lipids. It is a possible protective factor at certain stages of metabolic syndrome.