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Clearance and tissue distribution of intravenously injected Salmonella typhi polysaccharide in rabbits.

By A Isibasi, E Jimenez and J Kumate


The interaction of Freeman polysaccharide of Salmonella typhi with blood and tissues of rabbits was studied by radioimmunoassay. After intravenous injection of 1.0 mg of S. typhi Freeman polysaccharide, a rapid clearance phase (t1/2, 6.0 min) was followed by a slower clearance period (t1/2, 55.2 min). These results suggest first, that the distribution of whole lipopolysaccharide is a function of how the polysaccharides are handled by the host; further, that the O side chain determines how and where lipopolysaccharide is cleared from the circulatory system; and finally, that Freeman polysaccharide regulates the toxicity of lipopolysaccharide by influencing its clearance from blood

Topics: Research Article
Year: 1983
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Provided by: PubMed Central
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