CFH (Complement factor H) is a member of the Regulator of Complement Activation (RCA) gene cluster and a protein with twenty short concensus repeat (SCR) domains. This protein is secreted into the bloodstream and has an essential role in the regulation of complement activation, restricting this innate defense mechanism to microbial infections. Mutations in this CFH have been associated with hemolytic-uremic syndrome (HUS) and chronic hypocomplementemic nephropathy (1).
1. Entrez Gene: gene-centered information at NCBI. Nucleic Acids Res. 2005 Jan 1;33:D54-8.