HERPUD1 and neoplasm: Furthermore, we used regression coefficients for HERPUD1, MAP3K8, GAPDH, and DNAJB4 to construct risk score models as follows: risk score = −0.197∗MAP3K8 −0.261∗HERPUD1+ 0.185∗GAPDH+ 0.191∗DNAJB4 and calculated the risk score for each LUAD tumor sample.