ABCA1 and head and neck cancer: In addition to glioblastoma and head and neck cancer, all three types of renal cancers (clear cell carcinoma [ccRCC], chromophobe carcinoma, and papillary cell carcinoma) exhibited significant ABCA1 upregulation in tumor (Figure 1F, Figure 1—figure supplement 1A and B), indicating that ABCA1 upregulation frequently occurs in clinical renal cancers.