Study

Single cell transcriptomic and genomic profiling of carcinogenesis in patients with familial adenomatous polyposis

Study ID Alternative Stable ID Type
EGAS00001003598 Other

Study Description

Familial Adenomatous Polyposis (FAP) is characterized by hundreds to thousands of adenocarcinomas at different evolutional stages in the colon and rectum. Much effort has been made to illuminate the key genomic alterations that facilitate the transition from adenoma to carcinoma. However, the strong heterogeneity of the tumors may hamper these efforts. Here, by sequencing matched adjacent normal tissues, adenomas at different stages and carcinomas from the same patient, we precisely traced the process of colorectal carcinogenesis. Our study offers an accurate genomic landscape during the initiation and progression of carcinogenesis, especially for the transition between adenomas and carcinomas.

Study Datasets 1 dataset.

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Dataset ID Description Technology Samples
EGAD00001005457 Whole-exome sequencing (WES) and whole-genome sequencing (WGS) were performed on matched adjacent normal tissues, multiregionally sampled adenomas at different stages and carcinomas from 5 patients with FAP and 1 patient with MUTYH-associated polyposis (MAP) (n=56 exomes; n=56 genomes; n=8,757 single cells). Illumina HiSeq 4000 165

Who archives the data?

There are no publications available