Association of homozygous C4B deficiency with bacterial meningitis

Peter Rowe, Robert H. McLean, Robert A Wood, Robert J. Leggiadro, Jerry A. Winkelstein

Research output: Contribution to journalArticle

Abstract

The fourth component of complement (C4) is encoded by two separate but linked loci (C4A and C4B), each of which produces functionally active C4. Although C4A and C4B share certain antigenic and functional characteristics that identify them as C4, they differ with respect to other structural and functional properties. For example, C4B possesses four times the functional hemolytic activity of C4A. This suggests that homozygous deficiency of C4B might be associated with an increased susceptibility to infection. Forty-six children with bacterial meningitis were examined. Of these, 5 (10.9%) were homozygous deficient for C4B versus 7 (3.1%) of 223 controls (P = 0.038). There was no relation between the prevalence of heterozygous C4B deficiency and meningitis or between the prevalence of either homozygous or heterozygous C4A deficiency and meningitis. These results suggest that homozygous C4B deficiency is a relatively common immunodeficiency disorder that is clinically significant and predisposes children to bacterial meningitis.

Original languageEnglish (US)
Pages (from-to)448-451
Number of pages4
JournalJournal of Infectious Diseases
Volume160
Issue number3
DOIs
StatePublished - 1989

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Bacterial Meningitides
Meningitis
Complement C4
Infection

ASJC Scopus subject areas

  • Infectious Diseases
  • Immunology and Allergy
  • Immunology
  • Public Health, Environmental and Occupational Health

Cite this

Association of homozygous C4B deficiency with bacterial meningitis. / Rowe, Peter; McLean, Robert H.; Wood, Robert A; Leggiadro, Robert J.; Winkelstein, Jerry A.

In: Journal of Infectious Diseases, Vol. 160, No. 3, 1989, p. 448-451.

Research output: Contribution to journalArticle

Rowe, Peter ; McLean, Robert H. ; Wood, Robert A ; Leggiadro, Robert J. ; Winkelstein, Jerry A. / Association of homozygous C4B deficiency with bacterial meningitis. In: Journal of Infectious Diseases. 1989 ; Vol. 160, No. 3. pp. 448-451.
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