ITGA5 and nonpapillary renal cell carcinoma: On the other hand, analysis using a gene expression dataset of TGCA ccRCC (n = 417 samples) [27] (Table S6) revealed that ANGPTL2 and ITGA5 mRNA levels were negatively correlated with those of HLA‐A, HLA‐B, and HLA‐C mRNAs (Fig. 6B,C).