Journal
EXPERIMENTAL DERMATOLOGY
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/exd.14954
Keywords
autoimmunity; immunodeficiency; neutrophil; pathogenesis; pyoderma gangrenosum; scholarly review
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This article reviews the reported cases of coexisting PG and primary immunodeficiency, finding that genetic variations may play a significant role in the pathogenesis of PG.
Pyoderma gangrenosum (PG) is a rare ulcerative neutrophilic dermatosis that is occasionally associated with primary immunodeficiency. Though contributions from dysregulation of the innate immune system, neutrophil dysfunction and genetic predisposition have been postulated, the precise pathogenesis of PG has not yet been elucidated. This article reviews reported cases of coexisting PG and primary immunodeficiency in order to gain insight into the complex pathophysiology of PG. Our findings suggest that variations in genes such as RAG1, ITGB2, IRF2BP2 and NF kappa B1 might play a role in genetically predisposing patients to develop PG. These studies support the feasibility of the role of somatic gene variation in the pathogenesis of PG which warrants further exploration to guide targeted therapeutics.
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