Cited by 9Cancer Genomics and DiagnosticsHepatocellular Carcinoma Treatment and PrognosisBioinformatics and Genomic Networks

Machine learning and multi-omics data reveal driver gene-based molecular subtypes in hepatocellular carcinoma for precision treatment

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Wang, Meng, Yan, Xinyue, Dong, Yanan, Li, Xiaoqin, Gao, Bin·2024·PLOS Computational Biology

Abstract

The heterogeneity of Hepatocellular Carcinoma (HCC) poses a barrier to effective treatment. Stratifying highly heterogeneous HCC into molecular subtypes with similar features is crucial for personalized anti-tumor therapies. Although driver genes play pivotal roles in cancer progression, their potential in HCC subtyping has been largely overlooked. This study aims to utilize driver genes to construct HCC subtype models and unravel their molecular mechanisms. Utilizing a novel computational framework, we expanded the initially identified 96 driver genes to 1192 based on mutational aspects and an additional 233 considering driver dysregulation. These genes were subsequently employed as stratification markers for further analyses. A novel multi-omics subtype classification algorithm was developed, leveraging mutation and expression data of the identified stratification genes. This algorithm successfully categorized HCC into two distinct subtypes, CLASS A and CLASS B, demonstrating significant differences in survival outcomes. Integrating multi-omics and single-cell data unveiled substantial distinctions between these subtypes regarding transcriptomics, mutations, copy number variations, and epigenomics. Moreover, our prognostic model exhibited excellent predictive performance in training and external validation cohorts. Finally, a 10-gene classification model for these subtypes identified TTK as a promising therapeutic target with robust classification capabilities. This comprehensive study provides a novel perspective on HCC stratification, offering crucial insights for a deeper understanding of its pathogenesis and the development of promising treatment strategies.

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Crossref · 10.1371/journal.pcbi.1012113

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  • Proteogenomic studies in hepatocellular carcinoma have identified three molecular classes: immune-hot with favorable outcomes, proliferative and TP53-enriched with angiogenic signaling and poorer outcomes, and CTNNB1-enriched with mTOR-pathway activation.

    “In hepatocellular carcinoma, for example, proteogenomic studies integrating whole-genome sequencing, RNA sequencing, and quantitative proteomics have identified three molecular classes: immune-“hot” with favorable outcomes, proliferative and TP53-enriched with angiogenic signaling and poorer outcomes, and CTNNB1-enriched with mTOR-pathway activation [88,89,90].”

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Authors
Wang, M., Yan, X., Dong, Y., Li, X., & Gao, B.
Affiliations
Beijing University of Technology (CN)
Corresponding author
Li, Xiaoqin
Venue
PLOS Computational Biology
Published
2024-05-10
Volume
20
Issue
5
Pages
e1012113
ISSN
  • 1553-734X (ISSN-L)
  • 1553-7358
OpenAlex
W4396789799
Cited by
9
References
78
Citations by year
2026: 1 · 2025: 7 · 2024: 1
FWCI
1.80
Type
journal article
Language
en
Open access
Locations
  • PLoS Computational Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Key Research and Development Program of China (2022YFC2704804)
  • National Natural Science Foundation of China (61931013)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Health Sciences › Medicine › Hepatology › Hepatocellular Carcinoma Treatment and Prognosis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
Keywords
hepatocellular carcinoma, molecular subtypes, driver genes, multi-omics integration, tumor heterogeneity, prognostic model, TTK, therapeutic target, copy number variation, epigenomics, single-cell data, precision medicine
MeSH terms
Machine Learning, Multiomics, Algorithms, Carcinoma, Hepatocellular, Humans, Liver Neoplasms, Mutation, Prognosis, Biomarkers, Tumor, Gene Expression Regulation, Neoplastic, Computational Biology, Gene Expression Profiling, Genomics, DNA Copy Number Variations, Precision Medicine

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