?Counter intuitive to have ⬇️autoimmune conditions in Sero+ RA vs seronegative but could be due to other genes that are more common in seronegative ex TNF promoter gene, PTPN22 CARD15, STAT4 etc that cluster with IBD, DMType1 etc & not shared epitope POS0313 #EULAR2021 @RheumNow https://t.co/eqLCTIU7A7