Study

WGS Mutant clone mapping in normal oesohagus and skin

Study ID Alternative Stable ID Type
EGAS00001002416 Cancer Genomics

Study Description

We will use whole genome sequencing to examine normal appearing oesophageal epithelium and skin to determine the mutational burden. DNA will be extracted from epithelia of a defined size and we will overlay positional information from the epithelial pieces to give clone maps over a wide area. This will be done in both oesophageal epithelium and skin

Study Datasets 1 dataset.

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Dataset ID Description Technology Samples
EGAD00001004159
The extent to which cells in normal tissues accumulate mutations during life is poorly understood. Some mutant cells expand into clones that can be detected by genome sequencing. We mapped mutant clones in normal esophageal epithelium from nine donors aged 20-75. Somatic mutations accumulate with age and are mainly caused by intrinsic mutational processes. We found strong Darwinian selection of clones carrying mutations in 14 cancer genes, with tens to hundreds of such clones per square ... (Show More)
HiSeq X Ten 25

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