Association of serum 25-hydroxyvitamin D with insulin resistance and β-cell function in a healthy Chinese female population
Acta pharmacologica Sinica(2013)
摘要
Aim: To assess associations of the serum level of 25-hydroxyvitamin D with insulin resistance and β-cell function in a healthy Chinese female population. Methods: This cross-sectional study included 1382 female participants free of type 2 diabetes who were recruited in Shanghai. Blood samples were collected within a winter season and the serum levels of 25-hydroxyvitamin D, fasting plasma glucose and insulin, and other biochemical parameters were determined. Insulin resistance and β-cell function were assessed using the homeostasis model assessments of insulin resistance (HOMA-IR) and β-cell function (HOMA-B), respectively. Results: Multiple linear regression analyses adjusted for age, parathyroid hormone, Ca 2+ and BMI revealed that independent inverse associations existed between the serum level of 25-hydroxyvitamin D and HOMA-IR ( P <0.001) and between the serum level of 25-hydroxyvitamin D and HOMA-B ( P =0.001). Conclusion: Serum vitamin D level is significantly and independently associated with insulin resistance and β-cell function in a healthy Chinese female population.
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关键词
vitamin D,25-hydroxyvitamin D,type 2 diabetes,β-cell function,insulin resistance,female
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