Disease ⇒ Reactive arthritis {40000346}

Shared Reference Notes

• [1.1] [#Inflamatory bowel disease] 
  - HLA-B27 spondyloarthropathies (SpA) > #Ankylosing spondylitis, reactive arthritis, #Psoriatic Arthritis, #Juvenile idiopathic arthritis, inflammatory bowel disease, #Acute anterior uveitis, and undifferentiated SpA > segmented filamentous bacteria (SFB) have been illustrated to be a common culprit in initiating an arthritogenic reaction. - The Th17 response, induced in the mesenteric lymph nodes by dendritic cells, in such patients specifically targets SFB, resulting in a breach in the mucosal barrier. - This is thought to result from cross-reactivity between HLA-B27 and pathogenic surface antigens. - Other enteric gram-negative pathogens, which mimic HLA-B27, associated with SpA and uveitis include #Shigella, #Chlamydia and #Yersinia

References Notes