Abstract

Aim The aim of this study isto define genomic variations between fibrolamellar hepatocellular carcinoma (FL-HCC) and conventional hepatocellular carcinoma (HCC) Methods This study used the American Association for Cancer Research (AACR) Project GENIE data as a foundational element. Specifically, information about both fibrolamellar and conventional hepatocellular carcinoma was retrieved from this database. Results A total of 719 patients diagnosed with HCC and 52 individuals presenting with FL-HCC underwent thorough analysis. Notably, distinct variances in gene alterations were observed between the two cohorts. Predominantly, the HCC group exhibited frequent occurrences of mutations within the TP53 and CTNNB1 genes. Conversely, DNAJB1 fusion was uniquely identified in FL-HCC cases. Conclusion This study significantly broadens our understanding of the genetic makeup associated with FL-HCC and HCC. It is particularly notable because it reveals clear disparities in gene modifications between FL-HCC and HCC. Further investigation is essential to unravel the functional consequences of these genetic variances. This exploration will aid in the development of targeted therapeutic approaches to enhance the prognosis of patients diagnosed with diverse subtypes of HCC.

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