1887

Abstract

Summary

A 10 kb genomic DNA fragment derived from a human primary liver cell carcinoma (PLC) and containing integrated hepatitis B virus (HBV) DNA was cloned and analysed. Physical mapping showed the viral DNA to comprise a linear sequence of at least 2.8 kb (87%) of the HBV genome and to be of the subtype. Integration appeared to have occurred in the region of the viral genome spanning the cohesive ends. The cellular flanking DNA sequences to one side of the integrated viral DNA contained repeats of the family. The finding of no apparent rearrangements of the integrated HBV DNA sequences in this clone is in contrast to the situation in the huSP and PLC/PRF/5 PLC cell lines in which the integrated viral DNA sequences are greatly rearranged and suggests that such rearrangements may be atypical of solid PLCs.

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1986-04-01
2022-10-06
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