FAS and coronary artery disorder: We found that the absolute number of circulating γδ T cells in the peripheral blood of CAD patients was significantly lower than that of healthy individuals, which may be due to the significantly lower percentage of naïve γδ T cells and the marked significantly increase of Fas, which is a molecule that mediates apoptosis on the surface of γδ T cells in the peripheral blood of CAD patients (Supplementary Figure 2).