CFH（complement factor H），癌症关联基因，基因ID：3075，该基因是补体激活（rca）基因簇调控因子的一个成员，编码一个具有20个短一致重复序列（scr）结构域的蛋白质。这种蛋白质被分泌到血液中，在调节补体激活方面起着重要作用，限制了这种天然的防御机制对微生物感染的作用该基因突变与溶血性尿毒综合征（hus）和慢性低补体肾病有关。交替转录剪接变体，编码不同的亚型，已经被描述出来。[由RefSeq提供，2011年10月]This gene is a member of the Regulator of Complement Activation (RCA) gene cluster and encodes a protein with twenty short consensus 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 gene have been associated with hemolytic-uremic syndrome (HUS) and chronic hypocomplementemic nephropathy. Alternate transcriptional splice variants， encoding different isoforms， have been characterized. [provided by RefSeq， Oct 2011]。