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How HLA-B27 Research Landmarks, Advances Relate to Ankylosing Spondylitis Pathogenesis
The mechanistic link between human leukocyte antigen B27 (HLA-B27) and ankylosing spondylitis (AS) is one of the great enigmas in rheumatology. The introduction of biological therapies that target tumor necrosis factor (TNF) or the interleukin (IL) 23/IL-17A axis has had a major impact on the quality of life for many patients with AS, and one…
The Classification & Diagnosis of Granulomatosis with Polyangiitis
Based on the classification system developed by the Chapel Hill Consensus Conference, anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis is defined as a necrotizing vasculitis involving small vessels that is associated with myeloperoxidase (MPO) ANCA or proteinase 3 (PR3) ANCA and displays minimal immune deposits. The mechanism behind the pathogenesis of ANCA-associated vasculitis is not fully…
Case Illustrates the Difficulty Diagnosing Granulomatosis with Polyangiitis
Granulomatosis with polyangiitis (GPA) was first described in the British Medical Journal in 1897 by Scottish otolaryngologist Peter McBride.1 GPA is a relatively rare, systemic necrotizing vasculitis that can make diagnosis challenging. The incidence has been estimated anywhere between two and 12 cases per million.2 GPA mainly affects adults between the ages of 45 and…
Experts Discuss the Latest Precision Medicine Research
SAN DIEGO—In just two decades, precision medicine has gone from futuristic concept to realistic toolbox for clinical physicians. At the 2017 ACR Clinical Research Conference on Nov. 3, the Precision Medicine in Rheumatic Diseases: Hopes and Challenges lecture featured rheumatologists and experts on genetics, genomics, pharmacogenetics and big data who spoke about the latest research…