PAK2 and colorectal cancer: Beyond cell lines, we obtained the IHC slice images of HTRA1, RBBP7, NFE2L2, SCAF11, ABL1, PAK2, and CPTP in colorectal cancer, breast cancer, prostate cancer, lung cancer, and Non-Hodgkin’s Lymphoma from The Human Protein Atlas (HPA) database to assess the expression of these genes in human tumor tissues, although the IHC image of ADORA3 was not available.