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 2 datasets.
Click on a Dataset ID in the table below to learn more, and to find out who to contact about access to these data
Dataset ID | Description | Technology | Samples |
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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 |
EGAD00001006194 |
The risk of getting non-melanoma skin cancer varies over 40-fold across the body. Here we map mutations in normal skin in high and low risk sites in normal donors and those with an increased risk of skin cancer. The density of mutations varied widely, with evidence of positive and negative genetic selection. Regional differences in mutational signatures in high and low cancer risk sites and preferential selection of mutants of TP53 in high risk skin and FAT1 in lower risk skin were observed. ... (Show More)
|
HiSeq X Ten,Illumina HiSeq 2500,Illumina NovaSeq 6000 | 805 |
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