MEG3 and colorectal cancer: Cao et al. genotyped 5 SNPs, i.e., rs4081134, rs11160608, rs3087918, rs10144253, as well as rs7158663, located in MEG3 to study their roles in the onset of colorectal cancer, and found that the rs7158663 SNP of MEG3 was linked to the risk of colorectal cancer in Chinese [17].