Abstract
A chromatographic method, wheat-germ agglutinin affinity chromatography, was developed to isolate Escherichia coli heat-labile enterotoxin from human source. Isolated LT enterotoxin showed potent activity in the rabbit jejunal loop assay, and immunological and structural analogies with cholera enterotoxin in the radial immuno-hemolysis test and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), respectively.
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