Department of Cardiology;
the First Affiliated Hospital of Guangxi Medical University;
Guangxi Cardiovascular Institute;
Nanning;
Guangxi;
China;
Department of Orthodontics;
the Affiliated Dental Hospitdl of Guangxi Medical University;
Nanning;
Cruangxi;
China;
CD4^+T; lymphocyte; Coronary; artery; disease; IFN-γ; MicroRNA-155;