强直性脊柱炎
医学
反应性关节炎
银屑病性关节炎
脊柱炎
发病机制
病因学
HLA-B27
疾病
遗传倾向
关节炎
免疫学
人类白细胞抗原
病理
抗原
作者
Matthew A. Brown,Tony Kenna,B P Wordsworth
标识
DOI:10.1038/nrrheum.2015.133
摘要
Ankylosing spondylitis (AS), an immune-mediated arthritis, is the prototypic member of a group of conditions known as spondyloarthropathies that also includes reactive arthritis, psoriatic arthritis and enteropathic arthritis. Patients with these conditions share a clinical predisposition for spinal and pelvic joint dysfunction, as well as genetic associations, notably with HLA-B(*)27. Spondyloarthropathies are characterized by histopathological inflammation in entheses (regions of high mechanical stress where tendons and ligaments insert into bone) and in the subchondral bone marrow, and by abnormal osteoproliferation at involved sites. The association of AS with HLA-B(*)27, first described >40 years ago, led to hope that the cause of the disease would be rapidly established. However, even though many theories have been advanced to explain how HLA-B(*)27 is involved in AS, no consensus about the answers to this question has been reached, and no successful treatments have yet been developed that target HLA-B27 or its functional pathways. Over the past decade, rapid progress has been made in discovering further genetic associations with AS that have shed new light on the aetiopathogenesis of the disease. Some of these discoveries have driven translational ideas, such as the repurposing of therapeutics targeting the cytokines IL-12 and IL-23 and other factors downstream of this pathway. AS provides an excellent example of how hypothesis-free research can lead to major advances in understanding pathogenesis and to the development of innovative therapeutic strategies.
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