Chromosomal assignment of woodchuck hepatitis virus (WHV) dna integration sites in a woodchuck hepatocellular carcinoma‐derived cell line (WH257GE10)

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Abstract
The chromosomal sites of woodchuck hepatitis virus (WHV) DNA integration were identified in a woodchuck hepatocellular carcinoma‐derived cell line (WH257GE10) by the in situ hybridization technique using 3H‐labelled WHV whole genome (WHV 2) as a probe. The G‐banded chromosome spreads from WH257GE10 were identified and diagrammed schematicaiiy according to their band patterns. WHV DNA was integrated into 2 sites: 33 region of the long arm of chromosome 6 (6q33) and 31 region of the long arm of chromosome 8 (8q31). Chromosomal sites of WHV DNA integration were stable during successive passage periods analyzed in vitro.