Osteopontin (31), IL-1-RA (31), SNP rs117701653 (38),41,59, YWHAZ (73), SKAP2 (73), ketone bodies (110), phosphatidylcholine (110), mNFE (115), Alistipes (117), Fusicatenibacter (117). This evidence concerns the gene SKAP2 and rheumatoid arthritis.