BMP4 and malignant colon neoplasm: Specifically, colon cancer marker genes such as ANXA1, FABP6, ACE2, FXYD5, LY6E, SERPINE2, SCD, BMP4, CEACAM6, TESC, and TGFBI were overexpressed in CRC organoids (Supplementary Data Fig. 2a and Supplementary Data S3).