BRCA2 and cancer: The PCAT1 ncRNA is known to repress BRCA2 (Prensner et al. 2014b), activate MYC (Prensner et al. 2014a), promote cell proliferation (Xiong et al. 2019), and is upregulated in prostate, colorectal, and other cancers (Xiong et al. 2019).