ABCA9 and breast cancer: Conversely, genes on chromosome 17 region “Nikolsky Breast Cancer 17q21-q25” were amplified in CR and contained ATP-binding cassette (ABC) transporters (ABCA5/ABCA6/ABCA8/ABCA9/ABCA10) among them (Fig. 3b, 172 genes total, FDR = 7.39E−178).