Chromosomal sites for hepatitis B virus integration in human hepatocellular carcinoma.
The discovery that hepatitis B virus (HBV) integrates into host chromosomes raises the question of whether such viral DNA integration correlates directly with the activation of specific oncogenes or the inactivation of anti-oncogenes. To obtain insight into this problem, we randomly collected HBV integrant samples from different human hepatocellular carcinomas and identified the site of chromosomal integration by using in situ hybridization and/or linkage analysis with the flanking cellular DNAs as probes. Our findings did not specifically identify particular HBV DNA integration sites in chromosomes, although chromosomes 11 and 17 seemed to have more than the average number of integrants.[1]References
- Chromosomal sites for hepatitis B virus integration in human hepatocellular carcinoma. Tokino, T., Matsubara, K. J. Virol. (1991) [Pubmed]
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