CXCL2 and rheumatoid arthritis: Interestingly, the upregulated genes, according to the KEGG 2021 Human assignment, also hold functions in several immune-mediated diseases like rheumatoid arthritis (CXCL6, IL6, CXCL8, IL23A, CCL2, CXCL1, CXCL3, CXCL2, TNF, CXCL5) as well as parasitic infections like amoebiasis (IL6, CXCL8, CXCL1, PRDX1, FN1, TNF and other).