ATF3 and rheumatoid arthritis: In addition to the transcriptome and associated clinical information of the GPL570 and GPL96 databases, the RNA-seq and clinical data in GSE13026, GSE21537, and GSE45867 were also downloaded to investigate the relationships between ATF3 expression and clinical parameters, such as age, gender, joint location, RA status, lymphocyte aggregation status in the synovium, inflammation status in the synovium, infliximab response, tocilizumab response, and methotrexate response.