id author title date pages extension mime words sentences flesch summary cache txt cord-015306-us58wwmp nan Abstracts for the IPNA Congress, 30 August - 3 September 2013, Shanghai, China 2013-06-21 .txt text/plain 71194 4580 53 The incidence of renal involvement varies from 20 to 60% and there have been some reports showing that nephritis might be related to an older age at onset, persistent purpura (> 1 month), severe abdominal pain, and relapsing disease.Recently, several studies have shown that galactose-deficient IgA1 (Gd-IgA1) is recognized by anti-glycan antibodies, resulting in the formation of the circulating immune complexes and their mesangial deposition causing renal injury in HSP nephritis and serum galactose-deficient IgA1 levels were highly inherited in children with HSP nephritis.Regarding the treatment of HSP, one randomized double-blinded controlled study recently showed that patients with abdiminal pain or arthralgia may benefit from early treatment with prednisone, but the drug has not been proven to be capable of preventing the development of renal symptoms. ./cache/cord-015306-us58wwmp.txt ./txt/cord-015306-us58wwmp.txt