S100A8 and rheumatoid arthritis: Six of the 13 RA Score Panel genes (TNFAIP6, S100A8, TNFSF10, LY96, ENTPD1 and CLIC1) were also among the 33 common DE genes, whereas seven of the 13 RA Score Panel genes (DRAM1, QPCT, KYNU, ATP6V0E1, NCL, CIRBP and HSP90AB1) were not.