单细胞：用于区分不同细胞类型的标志性基因

CD4+ T: CD3D+, CD3E+, CD8A–;
CD8+ T: CD3D+, CD8A+;
NK cells: CD3D–, NKG7+, GNLY+;
monocytes: CD14+, LYZ+;
B: MS4A1+;
granulocytes: PRSS57+;
dendritic cells (DCs): HLA-DRA+, HLA-DRB1+, CCR7+, CST3+, CD83+.