Published in Gene Therapy Weekly, February 3rd, 2005
"Uncontrolled insertion of gene transfer vectors into the human genome is raising significant safety concerns for their clinical use. The wild-type adeno-associated virus (AAV) can insert its genome at a specific site in human chromosome 19 (AAVS1) through the activity of a specific replicase/integrase protein (Rep) binding both the AAVS1 and the viral inverted terminal repeats (ITRs). AAV-derived vectors, however, do not carry the rep gene and cannot maintain site-specific integration properties," investigators in Italy report.
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