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KMID : 0624620220550120587
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BMB Reports
2022 Volume.55 No. 12 p.587 ~ p.594
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Topological implications of DNA tumor viral episomes
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Kim Eui-Tae
Kim Kyoung-Dong
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Abstract
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A persistent DNA tumor virus infection transforms normal cells into cancer cells by either integrating its genome into host chromosomes or retaining it as an extrachromosomal entity called episome. Viruses have evolved mechanisms for attaching episomes to infected host cell chromatin to efficiently segregate the viral genome during mitosis. It has been reported that viral episome can affect the gene expression of the host chromosomes through interactions between viral episomes and epigenetic regulatory host factors. This mini review summarizes our current knowledge of the tethering sites of viral episomes, such as EBV, KSHV, and HBV, on host chromosomes analyzed by three-dimensional genomic tools.
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KEYWORD
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3D genomics, DNA tumor viruses, Epigenetics, Viral episome, Viral latency
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