Studies on the mucmase complex. III. Neutralisation of the neuraminidase activity by specific anti-neuraminidase IgG Free

Abstract

Summary

A partially-purified neuraminidase from the mucinase complex of was used to prepare a specific anti-neuraminidase antiserum in rabbits. When the neutralising potency of this serum against neuraminidase was assessed in conventional tests, the enzymic activity, as measured by thiobarbituric acid, methoxyphenol-neuraminate and goblet-cell assays, apparently increased. These results are attributable to the presence of a sialylated glycoprotein substrate and small amounts of sialidase in the crude antiserum. However, a twice-purified DEAE-IgG fraction of the antiserum neutralised the enzymic activity of the neuraminidase.

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1988-02-01
2024-03-28
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