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Letter to the Editor: Examining HBV RNA kinetics during NA treatment - are NA multifunctional antiviral agents?
Carey et al. recently proposed that HBV pregenomic RNA (pgRNA) is a sensitive indicator of covalently closed circular DNA (cccDNA) transcription status in patients receiving nucleos(t)ide analogue therapy (NA) for hepatitis B. pgRNA is transcribed from the cccDNA minichromosome and therefore reflects a product of cccDNA transcriptional activity and its prevalence within HBV-infected cells. They observed that some patients reached pgRNA negativity 12 months of NA, suggesting a surprisingly rapid decline in transcriptional activity/prevalence of cccDNA.
Harel Dahari, Andrew Vaillant, Scott J. Cotler
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