By ELISA, only Ephrin type-B receptor 2 (EphB2) and Three prime Histone mRNA EXonuclease 1 (THEX1) remained significantly recognized by autoantibodies from patients with SSc and were further tested to reach a total of respectively 336 and 362 individuals including patients with SSc, with Systemic Lupus Erythematosus (SLE) Rheumatoid Arthritis (RA), Psoriatic Arthritis (PsA), Ankylosing Spondylitis (AS) and healthy controls (HC). This evidence concerns the gene EPHB2 and rheumatoid arthritis.