Interestingly, pri-miR-202 (Chr10), pri-miR-129-1 (Chr7) and pri-miR-1297 (Chr13) are significantly under-expressed in CRC samples compared to mucosae (Figure 8a–c), supporting the hypothesis of a NORAD/SNHG6-mediated sponging mechanism. Here, NORAD is linked to colorectal carcinoma.