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Studies on the elimination of non-specific inhibitors in sera against influenza viruses with the aid of filtrates ofVibrio cholerae

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Summary

In the sera of humans and various animals there are two different non-specific inhibitors (α-and β-inhibitors) which may be specifically abolished by two substances (α-and β-“enzymes”) both present in filtrates ofV. cholerae. This neutralization is necessary for the rapid classifying of influenza virus strains with the aid of the haemagglutination inhibition test.

The egg line strains of the A- and A′-groups are only sensitive to β-inhibitor, while the mouse line strains of the same groups are only sensitive to the α-inhibitor. This does not apply to strains of the B group, where mouse as well as egg lines are sensitive to both inhibitors.

With the aid of isolated β-inhibitor (easily to be prepared from cattle serum), it is possible to decide in a quick manner whether or not a strain from the A- or A′-group has previously been adapted to the mouse.

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Authors and Affiliations

  1. Virus Laboratory of the Clinic of Internal Medicine, University of Leyden, Holland

    L. M. Brans, E. Hertzberger, J. L. Binkhorst & J. Mulder

Authors
  1. L. M. Brans
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  2. E. Hertzberger
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  3. J. L. Binkhorst
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  4. J. Mulder
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Additional information

With the technical assistance of Miss I.de Nooyer and with the financial support provided by the Institute for Preventive Medicine, Leyden; N.V. Philips Roxane, Weesp; the State Department of Science; the Jan Dekker Fund, and the Curacao Fund for Preventive Medicine.

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Brans, L.M., Hertzberger, E., Binkhorst, J.L. et al. Studies on the elimination of non-specific inhibitors in sera against influenza viruses with the aid of filtrates ofVibrio cholerae . Antonie van Leeuwenhoek 19, 309–323 (1953). https://doi.org/10.1007/BF02594858

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  • DOI: https://doi.org/10.1007/BF02594858

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