Plasmodium falciparum: assay of invasion of erythrocytes |
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Authors: | G Lamont A Saul C Kidson |
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Institution: | Queensland Institute of Medical Research, Brisbane, 4006, Australia |
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Abstract: | A method for quantitatively assaying Plasmodium falciparum merozoite invasion of particular erythrocytes is described. Erythrocytes were labeled with fluorescein isothiocyanate which did not affect parasite entry or growth, to distinguish them from uninfected erythrocytes in the original parasitized cell population. Parasites were detectable after staining with ethidium bromide. The time course of infection of the labeled cells was followed over 26 hr. The technique was used to determine the effect of serum from a patient with P. falciparum malaria on merozoite invasion of the labeled erythrocytes. |
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Keywords: | Protozoa parasitic Malaria human Merozoite invasion assay Erythrocyte human Fluorescein isothiocyanate (FITC) labeling Ethidium bromide Antibody antimalarial |
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