ArticleCancer medicine2022
Hepatocellular carcinoma after a sustained virological response by direct-acting antivirals harbors TP53 inactivation.
Article in Cancer medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Perspective of the risk and molecular mechanisms of hepatocellular carcinoma after HCV eradication in the post-DAA era: Correspondence to editorial on "Unmet needs in the post-direct-acting antivirals era: The risk and molecular mechanisms of hepatocellular carcinoma after hepatitis C virus eradication".Clinical and molecular hepatology · 2024Article
- Unmet needs in the post-direct-acting antivirals era: The risk and molecular mechanisms of hepatocellular carcinoma after hepatitis C virus eradication.Clinical and molecular hepatology · 2024Review
- Hepatocellular carcinoma after a sustained virological response by direct-acting antivirals harbors TP53 inactivation.Cancer medicine · 2022Article
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Authors and funding
18 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe genomic characteristics of hepatocellular carcinoma (HCC) after a sustained virological response (SVR) and its differences according to whether an SVR was achieved by treatment with direct-acting antivirals (DAA) or interferon (IFN) are still not fully understood.
methodsSixty-nine surgically resected HCCs from patients with hepatitis C virus infection were analyzed by gene expression profiling and whole-exome sequencing.
resultsAmong the 69 HCC patients, 34 HCCs in which an SVR was not achieved at the time of surgery were classified as HCV-positive, and 35 HCCs in which an SVR was achieved at the time of surgery were classified as HCV-SVR. According to the HCV treatment, 35 HCV-SVR HCCs were classified into two groups: eight tumors with DAA (HCV-SVR-DAA) and 24 tumors with interferon (HCV-SVR-IFN). The frequency of samples with ARID2 mutations was significantly lower in HCV-SVR than in HCV-positive tumors (p = 0.048). In contrast, the frequency of samples with PREX2 mutations was significantly higher in HCV-SVR samples than in HCV-positive samples (p = 0.048). Among the patients with HCV-SVR, the frequency of samples with TP53 mutations was significantly higher in HCV-SVR-DAA tumors than in HCV-SVR-IFN tumors (p = 0.030). TP53 inactivation scores in HCV-SVR-DAA tumors were found to be significantly enhanced in comparison to HCV-SVR-IFN tumors (p = 0.022). In addition, chromosomal instability and PI3K/AKT/mTOR pathway signatures were enhanced in HCV-SVR-DAA tumors. HCV-SVR-DAA was significantly associated with portal vein invasion (p = 0.003) in comparison to HCV-SVR-IFN.
conclusionOur dataset potentially serves as a fundamental resource for the genomic characteristics of HCV-SVR-DAA tumors. Our comprehensive genetic profiling by WES revealed significant differences in the mutation rate of several driver genes between HCV-positive tumors and HCV-SVR tumors. Furthermore, it was revealed that the frequency of samples with mutations in TP53 was significantly higher in HCV-SVR-DAA tumors than in HCV-SVR-IFN tumors.
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