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Frémeaux-Bacchi, Veronique; Miller, Elizabeth C.; Liszewski, M. Kathryn; Strain, Lisa; Blouin, Jacques; Brown, Alison L.; Moghal, Nadeem; Kaplan, Bernard S.; Weiss, Robert A.; Lhotta, Karl; Kapur, Gaurav; Mattoo, Tej; Nivet, Hubert; Wong, William; Gie, Sophie; de Ligny, Bruno Hurault; Fischbach, Michel; Gupta, Ritu; Hauhart, Richard; Meunier, Vincent; Loirat, Chantal; Dragon-Durey, Marie-Agnès; Fridman, Wolf H.; Janssen, Bert J.C.; Goodship, Timothy H.J.; Atkinson, John P.
Blood, 12/2008, Letnik: 112, Številka: 13Journal Article
Atypical hemolytic uremic syndrome (aHUS) is a disease of complement dysregulation. In approximately 50% of patients, mutations have been described in the genes encoding the complement regulators factor H, MCP, and factor I or the activator factor B. We report here mutations in the central component of the complement cascade, C3, in association with aHUS. We describe 9 novel C3 mutations in 14 aHUS patients with a persistently low serum C3 level. We have demonstrated that 5 of these mutations are gain-of-function and 2 are inactivating. This establishes C3 as a susceptibility factor for aHUS.
