Journal
PEDIATRIC NEPHROLOGY
Volume 25, Issue 5, Pages 947-951Publisher
SPRINGER
DOI: 10.1007/s00467-009-1415-3
Keywords
Atypical hemolytic uremic syndrome; Complement; Factor B
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Funding
- aHUS Foundation [RJHS]
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We report the case of an 8-year-old girl diagnosed with atypical hemolytic uremic syndrome (aHUS) with a complement factor B (CFB) gene mutation. aHUS is a disease of complement dysregulation. In approximately 50% of patients, mutations are identified in genes encoding regulators of complement-complement factor H (CFH), membrane cofactor protein or complement factor I (CFI)-or activators of complement-complement factor B (CFB) or C3. The mutation in this patient was identified in exon 12 of CFB and changes a lysine at amino acid position 533 to an arginine (c.1598A > G p.Lys533Arg). The two other mutations previously reported in CFB associated with aHUS are c.858C > G, p.F286L in exon 6 and c.967A > Gp.K323E in exon 7.
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