. . . . . . . . . . . . "[To assess the possible association between the PTPN22 gene 1858C-->T polymorphism and the susceptibility to Henoch-Schönlein purpura (HSP) and determine if this polymorphism is implicated in the severity of this systemic vasculitis.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2015-02-27"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2015-08-25T14:46:37+02:00"^^ . . . . . . . . . . . "v3.0.0.0" . "v3.0.0" .