Figure 8. Single-cell analysis of HOXD1, HOXD3, and HOXD4 in single-cell datasets of cancer samples. (A) Summary of HOXD1 expression of 40 cell types in 44 single-cell datasets. (B) Summary of HOXD3 expression of 33 cell types in 34 single-cell datasets. (C) Summary of HOXD4 expression of 32 cell types in 29 single-cell datasets.