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Abstract：
Hepatitis B virus (HBV) DNA integration is closely related to the occurrence of liver cancer. However, current studies mostly focus on the detection of the viral integration sites, ignoring the relationship between the frequency of viral integration and liver cancer. Thus, this study uses previous data to distinguish the breakpoints according to the integration frequency and analyzes the characteristics of different groups. This analysis revealed that three sets of breakpoints were characterized by its own integrated sample frequency, breakpoint distribution, and affected gene pathways. This result indicated an evolution in the virus integration sites in the process of tumor formation and development. Therefore, our research clarified the characteristics and differences in the sites of viral integration in tumors and adjacent tissues, and clarified the key signaling pathways affected by viral integration. Hence, these findings might be of great significance in the understanding of the role of viral integration frequency in hepatocellular carcinoma.
摘要：
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