Variation in expression of antibody-dependent cell-mediated cytotoxicity in rodents with malaria
- PMID: 3049377
- PMCID: PMC259687
- DOI: 10.1128/iai.56.11.3007-3010.1988
Variation in expression of antibody-dependent cell-mediated cytotoxicity in rodents with malaria
Abstract
Antibody-dependent cell-mediated cytotoxicity (ADCC) against mouse erythrocytes sensitized with immunoglobulin G was studied in mice with malaria. Spleen cells from mice had enhanced cytotoxic activity early in Plasmodium berghei infection but not later in the disease. Sera from infected animals and partially purified malarial immune complexes inhibited ADCC. In addition, ADCC was diminished in spleen cells from mice infected with the lethal variant of P. yoelii 17x compared with that in mice infected with the nonlethal variant. P. berghei-infected erythrocytes did not release 51Cr when incubated with effector cells unless the erythrocytes were sensitized with antibodies against normal mouse erythrocytes.
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