TGM2 and rheumatoid arthritis: The other MyD88 target genes that were upregulated in RA synovium were TGM2 (Transglutaminase 2), CDK1 (Cyclin-dependent kinase 1), IGLV1-51 (Immunoglobulin lambda variable 1–51) and LINC01010 (long-non coding RNA LINC01010).