Deficiency of the 9th component of complement (C9) in a patient with systemic lupus erythematosus.

Abstract

We describe the first case of systemic lupus erythematosus (SLE) showing the 9th component of complement (C9) deficiency. In the serum of this patient, a low level of serum total hemolytic complement (CH50) and the absence of C9 was demonstrated. The patient's sister, with normal level of C9, was also found to have an autoimmune disorder.

• Authors: T Kawai, K Katoh, M Narita, K Tani, T Okubo
• Journal: The Journal of rheumatology (J Rheumatol) Vol. 16 Issue 4 Pg. 542-3 (Apr 1989) ISSN: 0315-162X [Print] Canada
• PMID: 2746595 (Publication Type: Case Reports, Journal Article, Research Support, Non-U.S. Gov't)

Chemical References

• Complement C9

Topics

• Adult
• Complement C9 (deficiency)
• Female
• Humans
• Lupus Erythematosus, Systemic (immunology)