Technical Comments

Response to Comment on “Specific and nonhepatotoxic degradation of nuclear hepatitis B virus cccDNA”

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Science  13 Jun 2014:
Vol. 344, Issue 6189, pp. 1237
DOI: 10.1126/science.1254083

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Chisari et al. challenge our central conclusion that the hepatitis B virus (HBV) persistent form, the covalently closed circular DNA (cccDNA), is degraded in a noncytotoxic and specific fashion in the nucleus of infected hepatocytes. Specificity of the assays used, exclusion of cell division or death, and activity of APOBEC3 deaminases in the nucleus, however, were addressed in the paper.

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