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 Psoriatic Arthritis  Causes
Approximately 40% of patients with psoriasis or psoriatic arthritis have a family history of these disorders in first-degree relatives. Psoriatic arthritis is associated with an increased frequency of HLA-B7. Psoriatic arthritis may be triggered by pro-inflammatory cytokines such as Tumor necrosis factor-alpha (TNF-?) and Interlukin (IL)-1, IL-6, and IL-8 |
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