Subtype-Former: a deep learning approach for cancer subtype discovery with multi-omics data

• URL: http://arxiv.org/abs/2207.14639v1
• Date: Thu, 28 Jul 2022 08:15:06 GMT
• Title: Subtype-Former: a deep learning approach for cancer subtype discovery with multi-omics data
• Authors: Hai Yang, Yuhang Sheng, Yi Jiang, Xiaoyang Fang, Dongdong Li, Jing Zhang, Zhe Wang
• Abstract summary: This study proposed Subtype-Former, a deep learning method based on Transformer and Block. We found that Subtype-Former can perform better on the benchmark datasets of more than 5000 tumors based on the survival analysis. We identified 50 essential biomarkers, which can be used to study targeted cancer drugs.
• Score: 17.36619699329539
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Motivation: Cancer is heterogeneous, affecting the precise approach to personalized treatment. Accurate subtyping can lead to better survival rates for cancer patients. High-throughput technologies provide multiple omics data for cancer subtyping. However, precise cancer subtyping remains challenging due to the large amount and high dimensionality of omics data. Results: This study proposed Subtype-Former, a deep learning method based on MLP and Transformer Block, to extract the low-dimensional representation of the multi-omics data. K-means and Consensus Clustering are also used to achieve accurate subtyping results. We compared Subtype-Former with the other state-of-the-art subtyping methods across the TCGA 10 cancer types. We found that Subtype-Former can perform better on the benchmark datasets of more than 5000 tumors based on the survival analysis. In addition, Subtype-Former also achieved outstanding results in pan-cancer subtyping, which can help analyze the commonalities and differences across various cancer types at the molecular level. Finally, we applied Subtype-Former to the TCGA 10 types of cancers. We identified 50 essential biomarkers, which can be used to study targeted cancer drugs and promote the development of cancer treatments in the era of precision medicine.

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