What’s the advantage of knock out by TAL or CRISPR compared to vector-based stable shRNA?
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TAL and CRISPR edits the genome and hence more efficient. In case of stable shrNA the expressed shRNA works at the level of transcripts hence the effect of knock down in gene expression depends on the level of expression of shRNa the activity of the promoter at the locus where the shRNa is stably integrated as well as the ratio of shRNa to mRNa transcripts.
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