Article ; Online: DeepSom: a CNN-based approach to somatic variant calling in WGS samples without a matched normal.
Bioinformatics (Oxford, England)
2023 Volume 39, Issue 1
Abstract: Motivation: Somatic mutations are usually called by analyzing the DNA sequence of a tumor sample in conjunction with a matched normal. However, a matched normal is not always available, for instance, in retrospective analysis or diagnostic settings. For ...
Abstract | Motivation: Somatic mutations are usually called by analyzing the DNA sequence of a tumor sample in conjunction with a matched normal. However, a matched normal is not always available, for instance, in retrospective analysis or diagnostic settings. For such cases, tumor-only somatic variant calling tools need to be designed. Previously proposed approaches demonstrate inferior performance on whole-genome sequencing (WGS) samples. Results: We present the convolutional neural network-based approach called DeepSom for detecting somatic single nucleotide polymorphism and short insertion and deletion variants in tumor WGS samples without a matched normal. We validate DeepSom by reporting its performance on five different cancer datasets. We also demonstrate that on WGS samples DeepSom outperforms previously proposed methods for tumor-only somatic variant calling. Availability and implementation: DeepSom is available as a GitHub repository at https://github.com/heiniglab/DeepSom. Supplementary information: Supplementary data are available at Bioinformatics online. |
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MeSH term(s) | Humans ; Software ; Retrospective Studies ; High-Throughput Nucleotide Sequencing/methods ; Whole Genome Sequencing ; Neoplasms/genetics |
Language | English |
Publishing date | 2023-01-25 |
Publishing country | England |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 1422668-6 |
ISSN | 1367-4811 ; 1367-4803 |
ISSN (online) | 1367-4811 |
ISSN | 1367-4803 |
DOI | 10.1093/bioinformatics/btac828 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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