Objective To investigate the changes of CD4~+CD28~-T cell and CD4~+CD25~+ regulatory T cell (Treg) subsets in patients with coronary artery disease (CAD).

• 目的探讨冠心病患者外周血CD4~+CD28~-T细胞和CD4~+CD25~+调节性T细胞(Treg)亚组的变化及意义。