Abstract
ObjectiveTo investigate the relationship between the resistin intronic +299G/A polymorphism and nonalcoholic fatty liver disease (NAFLD) in patients with type 2 diabetes mellitus (T2DM). MethodsWe selected 738 T2DM patients, including 395 with NAFLD and 343 without fatty liver disease, as well as 279 healthy control individuals, and analyzed their resistin +299G/A polymorphism genotype by polymerase chain reaction–restriction fragment length polymorphism. ResultsPlasma resistin levels in T2DM patients with NAFLD were at the highest (P<0.05). The frequency of AA genotype at the +299 site of the resistin gene in patients with concurrent T2DM combined with NAFLD was significantly different from that in the control (P<0.05). The AA genotype was found to be associated with a 1.80-fold increased risk for T2DM combined with NAFLD, 2.05-fold increased risk for obesity and 2.37-fold increased risk for obesity of abdominal type compared to the GG (P<0.05, respectively). The multivariate non-conditional logistic regression model analysis further shows that the AA genotype is a risk factor for the development of NAFLD in T2DM patients (OR, 2.32; 95% CI, 1.05–4.68; P<0.05). ConclusionThe resistin +299AA genotype may be associated with increases in the risk of the NAFLD development in T2DM patients.
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