Definition
Pyogenic arthritis, pyoderma gangrenosum, and acne (PAPA) syndrome is a rare autoinflammatory condition presenting with inflammatory joint and skin disease that is caused by autosomal dominant, gain-of-function mutations in PSTPIP1 (MIM #604416).
Genetics
Familial PAPA syndrome is inherited in an autosomal dominant manner with phenotypic variability. De novo mutations are the cause of PAPA syndrome in other individuals. PAPA syndrome results from mutations in PSTPIP1 (proline-serine-threonine phosphatase-interacting protein 1), also known as CD2-binding...
References
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Omenetti A, Carta S, Caorsi R, Finetti M, Marotto D, Lattanzi B et al. Disease activity accounts for long-term efficacy of IL-1 blockers in pyogenic sterile arthritis pyoderma gangrenosum and severe acne syndrome Rheumatology (Oxford). 2016; 55(7):1325–1335. PubMed: 26989109.
Shoham NG, Centola M, Mansfield E, Hull KM, Wood G, Wise CA, et al. Pyrin binds the PSTPIP1/CD2BP1 protein, defining familial Mediterranean fever and PAPA syndrome as disorders in the same pathway. Proc Natl Acad Sci U S A. 2003;100:13501–13506. PubMed: 14595024.
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Stone, D.L., Kastner, D.L. (2019). Pyogenic Arthritis, Pyoderma Gangrenosum, and Acne (PAPA) Syndrome. In: MacKay, I., Rose, N. (eds) Encyclopedia of Medical Immunology. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9209-2_128-1
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DOI: https://doi.org/10.1007/978-1-4614-9209-2_128-1
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