Roles of HLA / MHC in autoimmune diseases.

1.Ankylosing spondylitis B27

2.Postgonococcal arthritis B27

3.Acute anterior uveitis B27

4.Rheumatoid arthritis DR4

5.Autoimmune hepatitis DR3

6.Primary Sjögren syndrome DR3

7.Type 1 diabetes mellitus DR3/DR4