Several studies have also shown that certain DRB1 or DPB1 alleles are associated with SSc with ATA; thus, DPB1*13:01 is associated with SSc with ATA in Europeans [6] and DRB1*15:02 and DPB1*09:01 in Japanese [9]. The gene discussed is HLA-DPB1; the disease is systemic sclerosis.