[1]Endocrinology Department the Second Affiliated Hospital of Xi’an Medical University Xi’an Shaanxi Province 710038;
[2]Department of Tumor Radiotherapy the First Affiliated Hospital of Xi’an Jiaotong University Xi’an Shaanxi Province 710061;
[3]Surgery Department the Second Affiliated Hospital of Xi’an Medical University Xi’an Shaanxi Province 710038;
Type 2 diabetes mellitus; DPP-4 inhibitor; Blood glucose control; Oxidative stress; Inflammatory response;