TCAF2 and colorectal carcinoma: To evaluate whether endogenous TCAF2 in TPCs is essential for CRC metastasis in vivo, pericyte‐Tcaf2 conditional knockout mice were generated using Cspg4‐CreERT2 mice intravenously injected with adeno‐associated virus (AAV)‐Tcaf2 (Figure S15A, Supporting Information).