Abstract
ObjectivesTo reveal potential association between glucagon-like peptide 1 (GLP-1) concentration in serum and mild cognitive function impairment (MCI) in type 2 diabetes mellitus (T2DM) patients. Patients and MethodsA total of 106 T2DM patients and 47 normal controls were recruited in this study. Montreal Cognitive Assessment (MoCA) was performed in all subjects. Among the 106 patients, 52 presented with MCI. Fasting blood glucose (FBG), total cholesterol (TC), low-density cholesterol (LDL-C), high-density cholesterol (HDL-C), triglyceride (TG), uric acid (UA) and GLP-1 levels were also assessed in all subjects. ResultsPatients with MCI had higher serum concentrations of FBG and TC and lower concentrations of GLP-1 and HDL-C than controls. Bivariate correlation analysis showed that MCI in T2DM patients closely correlated with FBG, HDL-C, and GLP-1 levels. Moreover, ordinal regression analysis showed that GLP-1 concentration in serum was protective for MCI in T2DM patients (OR = 0.025; 95%CI: 0.005–3.934). ConclusionsOur results indicated that low concentration of GLP-1 may play a role in the pathogenesis of MCI in T2DM patients.
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