ABCC9 and prostate cancer: The relationship between the aberrant expression of the ATP binding cassette subfamily C member 8 (ABCC8) and ABCC9 subunits, which encode for SUR1 and SUR2 [82], respectively, the overexpression of KATP channels, and the invasive growth of various malignant tumors, including liver, pancreatic, gastric, brain, bladder, and prostate cancers, has been confirmed by multiple studies [83,84,85].