One-step CRISPR-Cas9-mediated knockout of native TCRαβ genes in human T cells using RNA electroporation

Abstract excerpt

To avoid mispairing between native and introduced T cell receptors (TCRs) and to prevent graft-versus-host disease in allogeneic T cell therapies, TCRα and TCRβ chains of native TCRs are knocked out via CRISPR-Cas9. We demonstrate the isolation and activation of CD8+ T cells followed by electroporation of T cells with in vitro transcribed eSpCas9(1.1)-P2A-EGFP mRNA and single-guide RNAs targeting the TCRα and...

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