A recellularized human colon model identifies cancer driver genes.

TitleA recellularized human colon model identifies cancer driver genes.
Publication TypeJournal Article
Year of Publication2016
AuthorsHJ Chen, Z Wei, J Sun, A Bhattacharya, DJ Savage, R Serda, Y Mackeyev, SA Curley, P Bu, L Wang, S Chen, L Cohen-Gould, E Huang, X Shen, SM Lipkin, NG Copeland, NA Jenkins, and ML Shuler
JournalNature Biotechnology
Volume34
Issue8
Start Page845
Pagination845 - 851
Date Published08/2016
Abstract

Refined cancer models are needed to bridge the gaps between cell line, animal and clinical research. Here we describe the engineering of an organotypic colon cancer model by recellularization of a native human matrix that contains cell-populated mucosa and an intact muscularis mucosa layer. This ex vivo system recapitulates the pathophysiological progression from APC-mutant neoplasia to submucosal invasive tumor. We used it to perform a Sleeping Beauty transposon mutagenesis screen to identify genes that cooperate with mutant APC in driving invasive neoplasia. We identified 38 candidate invasion-driver genes, 17 of which, including TCF7L2, TWIST2, MSH2, DCC, EPHB1 and EPHB2 have been previously implicated in colorectal cancer progression. Six invasion-driver genes that have not, to our knowledge, been previously described were validated in vitro using cell proliferation, migration and invasion assays and ex vivo using recellularized human colon. These results demonstrate the utility of our organoid model for studying cancer biology.

DOI10.1038/nbt.3586
Short TitleNature Biotechnology