Diabetes is a common endocrine disease and its complications are major stimuli for the enhancment of efforts towards its control. At present, glycosylated hemoglobin (HbAlc) is used for long term control of glucose levels in diabetic patients, but due to lack of availability of a standard control method, recent findings suggest that insulin-like growth factor-I (IGF-I) may be used as a biomarker for glycaemic control. The aim of this study was to examine the correlation between IGF-I and glycaemic control measured as fasting plasma glucose (FPG) and HbAlc in Type 1 diabetes.
Materials and Methods:We designed a crosssectional case-control study with systematic random sampling. The study included 26 newly diagnosed patients with Type 1 diabetes (15 male and 11 female; mean age 23.7±9.1years) and 26 healthy controls (9 male and 17 female; mean age 24.1±4.4years). The concentrations of FPG, IGF-I, HbAlc and IGF-binding protein-3 (IGFBP-3)were measured in both groups. FPG was measured by the enzymatic glucose oxidase method and the colorimetric method was used to measure HbAlc. Determination of serum IGF-I and IGFBP-3 total levels was carried out using immunoassay.
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