Of the 40 genes with the highest gene importance scores, 12 genes, PSMG1, PTGER4, CPEB4, EGR2, RFX3, IL1R1, LRRK2, GPR183, ZMIZ1, ELMO1, TNFSF11, SATB2 are associated with other autoimmune diseases than SLE according to the GWAS catalog (Table 1). This evidence concerns the gene PTGER4 and autoimmune disease.