TBK1 and rheumatoid arthritis: TBK1 is a key signaling kinase involved in the regulation of inflammation and innate immunity, closely associated with the pathogenesis of IMIDs, such as rheumatoid arthritis (RA), autoinflammatory arthritis, ulcerative colitis (UC), systemic lupus erythematosus (SLE), asthma, and multiple sclerosis (MS) [11,74,75,76,77,78,79].