Targeting natural splicing plasticity of APOBEC3B restricts its expression and mutagenic activity

A. Rouf Banday et al. report targeting alternative splicing of APOBEC3B as a strategy to modulate APOBEC-mediated mutagenesis in cancers. Higher expression of the mutagenic APOBEC3B isoform predicted shorter progression-free survival in bladder cancer patients. Expression of this mutagenic isoform could be decreased by inducing skipping of APOBEC3B exon 5 in cells treated with SF3B1 inhibitor or…

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