In RA, CD14+ cells showed enrichment for interferon regulatory factor IRF4 and SMARCA4 [39] a chromatin remodeling protein while CD14− cells were enriched for CEBPE [40], which regulates myeloid differentiation and musculin (MSC) [41], a transcription factor expressed in skeletal muscle. This evidence concerns the gene SMARCA4 and rheumatoid arthritis.