According to immunohistochemical analysis, KIF11, RCC1, KIAA1217, SLC44A1, ITGA3, SON, ATP8A1, ADCY1, INPP5B, and SDK1 were differentially expressed in protein levels between pancreatic normal and cancer tissues and also validated by multiple analyses (Fig. 7A, B). The gene discussed is RCC1; the disease is cancer.