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- W3032484425 abstract "e13546 Background: Liver cancer is the sixth most common cancer in the world and the fourth most common cause of cancer mortality. Genomic alterations including homologous recombination deficiency (HRD) mutations often lead to aberrant regulations of signaling pathways, which play an important role in tumorigenesis. The prognostic value of HRD mutation and its correlation with overall survival in liver cancer is unclear. Methods: We used cBioPortal platform to analyze a cohort of 978 liver cancer samples. Mutations in 13 genes (BRCA1, BRCA2, ATM, BARD1, BRIP1, CHEK1, CHEK2, ABRAXAS1, MRE11, NBN, PALB2, RAD51C, RAD51D) were screened due to the fact that they are the most common indication of deficiency in the homologous recombination (HR) DNA repair pathway. We define overall survival (OS) as the time between the sample collection (surgical) date and the date of death or the last follow-up visit. We conducted Kaplan-Meier survival analysis, and the statistical differences were compared by log-rank tests. Results: 228 of the cases harbored at least one mutation of the HRD-indicator genes. Based on the result, patients were divided into the HRD and non-HRD group. The median OS of the HRD group was 45.47, which is significantly shorter than the OS of the non-HRD group (log-rank test p = 1.6196e-4, Table). Conclusions: HRD mutations are significantly associated with a shorter OS in liver cancer patients. HRD mutation was a negative prognostic factor for overall survival in liver cancer, but the underlying mechanisms remain to be explored. [Table: see text]" @default.
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- W3032484425 date "2020-05-20" @default.
- W3032484425 modified "2023-09-26" @default.
- W3032484425 title "The prognostic value of HRD mutations in liver cancer." @default.
- W3032484425 doi "https://doi.org/10.1200/jco.2020.38.15_suppl.e13546" @default.
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