Genomics

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Whole genome sequencing of colon organoid cultures with artificially induced oncogenic mutations


ABSTRACT: Using the CRISPR-Cas9 genome editing system, various oncogenic mutations were introduced in the genome of normal adult stem cells derived from the colon. The resulting clonal cultures were subjected to whole genome sequencing. In addition, the cultures were transplanted in a mouse and the resulting primary and metastatic tumors were also subjected to whole genome sequencing. The initial bulk culture, which was used to generate the mutations, was also whole genome sequenced and served as a reference sample to filter germline variants.

PROVIDER: EGAS00001001969 | EGA |

REPOSITORIES: EGA

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Publications

The somatic POLE P286R mutation defines a unique subclass of colorectal cancer featuring hypermutation, representing a potential genomic biomarker for immunotherapy.

Ahn Sung-Min SM   Ansari Adnan Ahmad AA   Kim Jihun J   Kim Deokhoon D   Chun Sung-Min SM   Kim Jiyun J   Kim Tae Won TW   Park Inja I   Yu Chang-Sik CS   Jang Se Jin SJ  

Oncotarget 20161001 42


Early-onset colorectal cancers (EOCRCs) may have biological or genomic features distinct from late-onset CRCs (LOCRCs). Previous studies have mostly focused on the germline predisposition conditions of EOCRCs, but we hypothesized that EOCRCs may have distinct somatic aberrations that accelerate cancer development. To identify the somatic aberrations that accelerate cancer development at an early age, we conducted whole exome sequencing for 28 polyposis-unrelated, microsatellite stable (MSS) EOCR  ...[more]

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