RT Journal A1 Ling, Hui A1 Spizzo, Riccardo A1 Atlasi, Yaser A1 Nicoloso, Milena A1 Shimizu, Masayoshi A1 Redis, Roxana S. A1 Nishida, Naohiro A1 Gafà, Roberta A1 Song, Jian A1 Guo, Zhiyi A1 Ivan, Cristina A1 Barbarotto, Elisa A1 De Vries, Ingrid A1 Zhang, Xinna A1 Ferracin, Manuela A1 Churchman, Mike A1 van Galen, Janneke F. A1 Beverloo, Berna H. A1 Shariati, Maryam A1 Haderk, Franziska A1 Estecio, Marcos R. A1 Garcia-Manero, Guillermo A1 Patijn, Gijs A. A1 Gotley, David C. A1 Bhardwaj, Vikas A1 Shureiqi, Imad A1 Sen, Subrata A1 Multani, Asha S. A1 Welsh, James A1 Yamamoto, Ken A1 Taniguchi, Itsuki A1 Song, Min-Ae A1 Gallinger, Steven A1 Casey, Graham A1 Thibodeau, Stephen N. A1 Le Marchand, Loïc A1 Tiirikainen, Maarit A1 Mani, Sendurai A. A1 Zhang, Wei A1 Davuluri, Ramana V. A1 Mimori, Koshi A1 Mori, Masaki A1 Sieuwerts, Anieta M. A1 Martens, John W.M. A1 Tomlinson, Ian A1 Negrini, Massimo A1 Berindan-Neagoe, Ioana A1 Foekens, John A. A1 Hamilton, Stanley R. A1 Lanza, Giovanni A1 Kopetz, Scott A1 Fodde, Riccardo A1 Calin, George A. T1 CCAT2, a novel noncoding RNA mapping to 8q24, underlies metastatic progression and chromosomal instability in colon cancer JF Genome Research JO Genome Research YR 2013 FD September 01 VO 23 IS 9 SP 1446 OP 1461 DO 10.1101/gr.152942.112 UL http://genome.cshlp.org/content/23/9/1446.abstract AB The functional roles of SNPs within the 8q24 gene desert in the cancer phenotype are not yet well understood. Here, we report that CCAT2, a novel long noncoding RNA transcript (lncRNA) encompassing the rs6983267 SNP, is highly overexpressed in microsatellite-stable colorectal cancer and promotes tumor growth, metastasis, and chromosomal instability. We demonstrate that MYC, miR–17–5p, and miR–20a are up-regulated by CCAT2 through TCF7L2-mediated transcriptional regulation. We further identify the physical interaction between CCAT2 and TCF7L2 resulting in an enhancement of WNT signaling activity. We show that CCAT2 is itself a WNT downstream target, which suggests the existence of a feedback loop. Finally, we demonstrate that the SNP status affects CCAT2 expression and the risk allele G produces more CCAT2 transcript. Our results support a new mechanism of MYC and WNT regulation by the novel lncRNA CCAT2 in colorectal cancer pathogenesis, and provide an alternative explanation of the SNP-conferred cancer risk.