@chiehyujessie Well known markers: Cell Type | Markers -- | -- T cells (CD4+) | PTPRC, CD3D, CD4 T cells (CD8+) | PTPRC, CD3D, CD8A, CD8B B cells | PTPRC, CD79A NK cell | PTPRC, NKG7 Myeloid cells | PTPRC, LYZ Endothelial | PLVAP Fibroblast | ACTA2 Epithelial | EPCAM, KRT8