TGFB1 and colorectal carcinoma: However, circTAX1BP1 level in iCAF and ITGA11+‐d myCAF was not affected by co‐culturing (Figure S13E, Supporting Information), indicating the presence of a potential positive feedback loop between EV‐packaged circTAX1BP1 from ITGA11+ myCAFs and TGF‐β from CRC cells.