Ribonucleoprotein Transfection for CRISPR/Cas9-Mediated Gene Knockout in Primary T Cells.

Authors: Oh SA, Seki A, Rutz S Abstract CRISPR/Cas9 has enabled the rapid and efficient generation of gene knockouts across various cell types of several species. T cells are central players in adaptive immune responses. Gene editing in primary T cells not only represents a valuable research tool, but is also critical for next generation immunotherapies, such as CAR T cells. Broad application of CRIPSR/Cas9 for gene editing in primary T cells has been hampered by limitations in transfection efficiency and the requirement for TCR stimulation. In this article, we provide a detailed protocol for Cas9/gRNA ribonucleoprotein (RNP) transfection of primary mouse and human T cells without the need for TCR stimulation that achieves near complete loss of target gene expression at the populat...

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