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Accurate somatic variant detection using weakly supervised deep learning.


ABSTRACT: Identification of somatic mutations in tumor samples is commonly based on statistical methods in combination with heuristic filters. Here we develop VarNet, an end-to-end deep learning approach for identification of somatic variants from aligned tumor and matched normal DNA reads. VarNet is trained using image representations of 4.6 million high-confidence somatic variants annotated in 356 tumor whole genomes. We benchmark VarNet across a range of publicly available datasets, demonstrating performance often exceeding current state-of-the-art methods. Overall, our results demonstrate how a scalable deep learning approach could augment and potentially supplant human engineered features and heuristic filters in somatic variant calling.

SUBMITTER: Krishnamachari K 

PROVIDER: S-EPMC9307817 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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Accurate somatic variant detection using weakly supervised deep learning.

Krishnamachari Kiran K   Lu Dylan D   Swift-Scott Alexander A   Yeraliyev Anuar A   Lee Kayla K   Huang Weitai W   Leng Sim Ngak SN   Skanderup Anders Jacobsen AJ  

Nature communications 20220722 1


Identification of somatic mutations in tumor samples is commonly based on statistical methods in combination with heuristic filters. Here we develop VarNet, an end-to-end deep learning approach for identification of somatic variants from aligned tumor and matched normal DNA reads. VarNet is trained using image representations of 4.6 million high-confidence somatic variants annotated in 356 tumor whole genomes. We benchmark VarNet across a range of publicly available datasets, demonstrating perfo  ...[more]

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