Journal
SCIENTIFIC REPORTS
Volume 12, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-022-14554-7
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Funding
- PhD Start-up Fund of Guangdong Medical University [B2019016]
- Administration of Traditional Chinese Medicine of Guangdong Province [20211223]
- Science and Technology Special Project of Zhanjiang [2019A01009]
- Basic and Applied Basic Research Program of Guangdong Province [2019A1515110201]
- Key Program of Marine Economy Development(Six Marine Industries) Special Foundation of Department of Natural Resources of Guangdong Province [[2020]053]
- Discipline Construction Project of Guangdong Medical University [4SG21004G]
- Fund of Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang) [ZJW-2019-007]
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This study analyzed datasets from HCC patients and identified a four-gene signature that can predict HCC prognosis. It also highlighted the potential role of PRDX1, a ferroptosis-related gene, in HCC and its potential as a biomarker for predicting HCC outcome.
Ferroptosis is a novel type of cell death depending on iron and is strongly related to the development of tumors. Hepatocellular carcinoma (HCC) is a malignancy with high incidence. Despite some reports demonstrating the relation between ferroptosis-related genes and HCC, more details have not been excavated. In the present study, we collected and analyzed HCC patients' datasets from the TCGA-LIHC project and ICGC portal, respectively. Through the bioinformatic methods, we screened 126 differentially expressed genes. Then a prognostic model was established with four genes (GPX2, MT3, PRDX1, and SRXN1). PRDX1 is the hub gene of the prognosis model and has a high expression in hepatocellular carcinoma tumor tissue and cell lines. We further found that silencing PRDX1 increased the accumulation of ferrous ions and lipid peroxidation accumulation in HEPG2 cells and promoted ferroptosis in hepatocellular carcinoma. In conclusion, the study demonstrated the four-gene signature can be used to predict HCC prognosis. It also revealed the potential function of the ferroptosis-related gene PRDX1 in HCC, which can be a biomarker of the prediction for HCC outcome.
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