HNRNPA1 and cancer: Expression of SRSF1, SRSF2, SRSF3, SRSF5, SRSF6, hnRNPA1, hnRNPA2, hnRNPB1, hnRNPH, and hnRNPK is frequently disturbed in cancers, which leads to impaired alternative splicing of key apoptotic mRNA targets.