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  • Title: Enhanced Transduction of P2X7-Expressing Cells with Recombinant rAAV Vectors.
    Author: Mann AM, Schäfer W, Adriouch S, Börner K, Grimm D, Braren I, Koch-Nolte F.
    Journal: Methods Mol Biol; 2022; 2510():129-144. PubMed ID: 35776323.
    Abstract:
    Adeno-associated viruses (AAV) are useful vectors for transducing cells in vitro and in vivo. Targeting of specific cell subsets with AAV is limited by the broad tropism of AAV serotypes. Nanobodies are single immunoglobulin variable domains from heavy chain antibodies that naturally occur in camelids. Their small size and high solubility allow easy reformatting into fusion proteins. In this chapter we provide protocols for inserting a P2X7-specific nanobody into a surface loop of the VP1 capsid protein of AAV2. Such nanobody-displaying recombinant AAV allow 50- to 500-fold stronger transduction of P2X7-expressing cells than the parental AAV. We provide protocols for monitoring the transduction of P2X7-expressing cells by nanobody-displaying rAAV by flow cytometry and fluorescence microscopy.
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