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Cell-mediated Immunity to Vibrio Cholerae with Ribonucleic Acid-protein Fractions of V. Cholerae L-form Lysates

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Journal Infect Immun
Date 1976 Aug 1
PMID 971951
Citations 4
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Abstract

Different L-form lysate vaccines of Vibrio cholerae serotypes Ogawa and Inaba and their combination along with ethyl alcohol-precipitated ribonucleic acid (E-RNA) and phenol-extracted RNA (P-RNA) fractions of V. cholerae Ogawa lysates were tested for production of cell-mediated immunity. Both E-RNA and P-RNA fractions induced an increase in leukocyte migration inhibition, macrophage migration inhibition, and macrophage aggregation. They also induced delayed hypersensitivity in rabbits. More consistent results were obtained with the P-RNA fraction.

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