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HLA-B27 is the most researched HLA-B allele due to its high relationship with spondyloarthropathies. Although it is not apparent how HLA-B27 promotes disease, theories exist and can be divided between antigen-dependent and antigen-independent categories. [13]
Ankylosing spondylitis (AS) is a systemic rheumatic disease, meaning it affects the entire body. 1–2% of individuals with the HLA-B27 genotype develop the disease. [17] Tumor necrosis factor-alpha (TNF α) and interleukin 1 (IL-1) are also implicated in ankylosing spondylitis. Autoantibodies specific for AS have not been identified.
HLA types are inherited, and some of them are connected with autoimmune disorders and other diseases. People with certain HLA antigens are more likely to develop certain autoimmune diseases, such as type I diabetes , ankylosing spondylitis , rheumatoid arthritis , [ 15 ] celiac disease , SLE (systemic lupus erythematosus), myasthenia gravis ...
Among the genetic factors that may influence ankylosing spondylitis, the HLA-B27 gene accounts for about thirty percent of the overall genetic risk, per the National Library of Medicine. The ...
AIDS is a disease that damages the immune system, preventing it from effectively defending the body against infections. The signs and symptoms of AIDS may not appear until 10 years or more after infection with HIV. Studies suggest that people with HIV infection who have HLA-B27 or HLA-B57 tend to progress more slowly than usual to AIDS.
HLA-B27 is a polymorphic form of the HLA-B molecule found in up to 95% of people with ankylosing spondylitis of European ancestry, [16] [17] 70% with reactive arthritis, [18] 60% with psoriatic spondylitis, [12] 25% with peripheral psoriatic arthritis, [17] and 70% with spondylitis associated with inflammatory bowel disease.
Human leukocyte antigen (HLA) alleles associated with conditions of or affecting the human integumentary system Condition Associated HLA allele(s) Fixed drug eruption: B22 Lichen planus: DR1 DR2 DRw9 DR10 Bw15 B8 Psoriasis: Cw6 DR406 Psoriatic arthritis: B27 Ankylosing spondylitis: B27 Reactive arthritis: B27 Acute anterior uveitis: B27 Behçet ...
In a perfect world, you’d blissfully add berries to your smoothies and yogurts without a second thought. In reality, berries come with a very real risk of contamination with certain foodborne ...