KDM4A and colonic neoplasm: More interestingly in colon cancer cells, JMJD2C appears to be co-overexpressed with JMJD2A and JMJD2B, and JMJD2C also forms heteromers with JMJD2A, whereas JMJD2D does not have the same function as JMJD2C [43].