October 23, 2019  |  

Altering tropism of rAAV by directed evolution.

Authors: Marsic, Damien and Zolotukhin, Sergei

Directed evolution represents an attractive approach to derive AAV capsid variants capable of selectively infect specific tissue or cell targets. It involves the generation of an initial library of high complexity followed by cycles of selection during which the library is progressively enriched for target-specific variants. Each selection cycle consists of the following: reconstitution of complete AAV genomes within plasmid molecules; production of virions for which each particular capsid variant is matched with the particular capsid gene encoding it; recovery of capsid gene sequences from target tissue after systemic administration. Prevalent variants are then analyzed and evaluated.

Journal: Methods in molecular biology
DOI: 10.1007/978-1-4939-3271-9_11
Year: 2015

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