In comparison with SLE, ten proteins were upregulated in PR3-AAV (AXIN1, SIRT2, STAMBP, OSM, MMP-1, JAM-A, MMP-9, SELP, PAI, PDGF subunit A) and eleven in SLE (Supplementary Table 14). The gene discussed is MMP9; the disease is systemic lupus erythematosus.