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Clin Infect Dis. 1999 Oct;29(4):813-8.

Antilipopolysaccharide II: an antibody protective against fatal melioidosis.

Author information

1
Department of Clinical Microbiology (Faculty of Medical Technology), Mahidol University, Bangkok, Thailand.

Abstract

This was a study of IgG antibody responses to two S-type lipopolysaccharides (LPS I and LPS II) and flagellin of Burkholderia pseudomallei in patients with melioidosis. The specificity of these antibodies was 91.7%, 90.3%, and 93.8%, respectively, when compared to responses in a population where the organism is not endemic. Only the level of antibody to LPS II (anti-LPS II) was significantly higher in patients who survived than in those who died, as well as in patients with nonsepticemic vs. septicemic melioidosis. Results of logistic regression analysis, controlled for confounding factors such as duration of illness before treatment and bacteremic status, confirmed that a high level of anti-LPS II was a significant factor protective against fatal melioidosis. Thus, LPS II of B. pseudomallei would be a potentially useful component of a vaccine developed against fatal melioidosis. Further studies are in progress to determine the level of this antibody among those with asymptomatic infection in areas where melioidosis is endemic.

PMID:
10589895
DOI:
10.1086/520441
[Indexed for MEDLINE]

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