Integrase inhibitor reversal dynamics indicate unintegrated HIV-1 dna initiate de novo integration

Abstract excerpt

BACKGROUND: Genomic integration, an obligate step in the HIV-1 replication cycle, is blocked by the integrase inhibitor raltegravir. A consequence is an excess of unintegrated viral DNA genomes, which undergo intramolecular ligation and accumulate as 2-LTR circles. These circularized genomes are also reliably observed in vivo in the absence of antiviral therapy and they persist in non-dividing cells. However,...

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