Consistently, elevated levels of p200 CUX1 and its proteolytically processed isoform p110 were noted in these NB cells, cervical cancer HeLa cells, colon cancer LoVo cells, and prostate cancer PC‐3 cells, than those of non‐transformed normal MCF 10A cells (Appendix Fig S1A). Here, CUX1 is linked to malignant colon neoplasm.