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2017 ; 7
(10
): ä Nephropedia Template TP
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Creating a RAW264 7 CRISPR-Cas9 Genome Wide Library
#MMPMID28868328
Napier BA
; Monack DM
Bio Protoc
2017[May]; 7
(10
): ä PMID28868328
show ga
The bacterial clustered regularly interspaced short palindromic repeats
(CRISPR)-Cas9 genome editing tools are used in mammalian cells to knock-out
specific genes of interest to elucidate gene function. The CRISPR-Cas9 system
requires that the mammalian cell expresses Cas9 endonuclease, guide RNA (gRNA) to
lead the endonuclease to the gene of interest, and the PAM sequence that links
the Cas9 to the gRNA. CRISPR-Cas9 genome wide libraries are used to screen the
effect of each gene in the genome on the cellular phenotype of interest, in an
unbiased high-throughput manner. In this protocol, we describe our method of
creating a CRISPR-Cas9 genome wide library in a transformed murine macrophage
cell-line (RAW264.7). We have employed this library to identify novel mediators
in the caspase-11 cell death pathway (Napier et al., 2016); however, this library
can then be used to screen the importance of specific genes in multiple murine
macrophage cellular pathways.