CD4 and familial dilated cardiomyopathy: The abundance of Macrophage, Neutrophil, Monocyte, and NKT cells was markedly decreased in DCM patients compared with controls, whereas the abundance of CD4+T cells, NK cells, Gamma_delta cells, B cells, CD8+T cells, Th2 cells, Tfh cells, Tr1 cells, iTreg cells, nTreg cells, Th1 cells, entral_memory cells, and CD4+naive cells was markedly up-regulated (Figure 6A).