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Case Reports
. 1979 Apr;2(1):85-7.

Deficiency of the ninth component of complement in man

S Inai  1 , H Kitamura, S Hiramatsu, K Nagaki
Affiliations
  • PMID: 95812
Case Reports

Deficiency of the ninth component of complement in man

S Inai et al. J Clin Lab Immunol. 1979 Apr.

Abstract

The studies of serum from a case with C9 (the ninth component of complement) deficiency are described. A 29-year-old woman in good health was found to have low serum complement levels (CH50). C9 of her serum was undetectable by the hemolytic assay and by the immunochemical analysis but all other components were normal. It was demonstrated that low CH50 of her serum was due to the hemolysis of the sensitized sheep erythrocytes (EA) by the complement components from C1 to C8.

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