期刊
FRONTIERS IN IMMUNOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2022.952413
关键词
hepatocellular carcinoma; immunotherapy; chemotherapy; biomarker; prognosis
类别
资金
- National Natural Science Foundation of China [82072670, 81871916]
- Leading Project of the Science and Technology Committee of Shanghai Municipality [21Y21900100]
- Project of Shanghai Municipal Health Commission [202140269]
An EGRscore was constructed to evaluate the prognosis, mutation pattern, and immune microenvironment of liver hepatocellular carcinoma (LIHC) and other tumors. The study found that there were differences in TP53 mutation profiles, immune cell composition, and drug resistance genes between EGRscore-high and EGRscore-low patients. Furthermore, EGRscore-low patients showed a higher response rate to immunotherapy and targeted therapy.
BackgroundEpigenetic modification regulates various aspects of cancer biology, from tumor growth and invasion to immune microenvironment modulation. Whether epigenetic regulators (EGRs) can decide tumor malignant degree and risk of immune evasion in liver hepatocellular carcinoma (LIHC) remains unclear. MethodAn EGR signature called EGRscore was constructed based on bulk RNA-seq data of EGR in hepatocellular carcinoma (HCC). The correlation between EGRscore and overall survival (OS) was validated in HCC cohorts and other tumor cohorts. Mutation profiles, copy number alterations (CNAs), enriched pathways, and response to immunotherapy and chemotherapy were compared between EGRscore-high and EGRscore-low patients. ResultsWe found that EGRscore was associated with OS in HCC as well as several tumors including glioma, uveal melanoma (UVM), and kidney tumors. A mechanism study demonstrated that the distinct mutation profile of TP53 was present in EGRscore-high and EGRscore-low patients. Meanwhile, EGRscore-low patients were characterized with immune cells that promote killing tumors. Furthermore, EGRscore was associated with genes regulating drug resistance in HCC. Finally, we indicated that EGRscore-low patients had higher response rates to immunotherapy and targeted therapy. ConclusionsEGRscore could be used to distinguish OS, tumor progression, mutation pattern, and immune microenvironment. The present study contributes to improving hepatocellular carcinoma patient prognosis and predicting response to immunotherapy.
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