CD4 and coronary artery disorder: Immune infiltration analysis showed a higher level of activated dendritic cells (aDC), basophils, conventional DCs (cDCs), macrophages, M1 macrophages, M2 macrophages, monocytes, and NKT cells, as well as a lower level of CD4+ memory T cells, CD8+ naïve T cells, CD8+ T cells, CD8+ central memory T cells (CD8+ Tcm), CD8+ effecter memory T cells (CD8+ Tem), naïve B cells, NK cells, Th2 cells, and Tregs in AMI compared with the CHD group (Figure 2A).