For example, the β-deletion has been shown or speculated to be regulated by RMB10 in pancreatic cancer [72]; NOVA1/PTBP1 in lung cancer [70,71]; SRSF11, hnRNPH2, and hnRNPL in breast cancer [32]; and MCPH1/BRIT1 in ovarian cancer [88]. Here, PTBP1 is linked to breast carcinoma.