<prompt> HLA B27 is not seen in -SLEAnkylosing spondylitisReiters syndromePsoriotic arthritis  <response>: Ans. is a i.e., SLE HL A and Disease AssociationHLA - class 1B-27Spondyloarthropathies Ankylosing spondylitis Reiters syndrome Acute anterior uveitis Reactive arthritis Psoriatic arthritisB-8Hyperthyroidism Graves disease Myasthenia gravisB-51Behcets diseaseB-47Congenital adrenal hyperplasiaCW6Psoriasis vulgarisHLA-class 11DR-2 Japanese SLE Multiple sclerosis Narcolepsy Goodpastures syndromeDR-3 Myasthenia gravis Graves disease Type I DM Dermatitis herpetiformis Chronic active hepatitis Caucasian SLE Sjogrens syndromeDR-4Type 1 DMPemphigus vulgarisRheumatoid arthritisDR-5juvenile pauciarticular arthritisDR-8Type I DMDQ-1Pemphigus vulgarisDQ- 2,DQ-8Gluten sensitive enteropathy celiac sprueDQ-7Bullous pemphigoidDQ - 8Type 1 DMNote: DR-2 has negative association with type 1 DM i.e. genetic association with protection from DM. 