Parasite Lactate Dehydrogenase as an Assay for Plasmodium falciparum Drug Sensitivity

M. T. Makler Laboratory and Research Service, Veterans Affairs Medical Center, Flow Incorporated, Portland, Oregon

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J. M. Ries Laboratory and Research Service, Veterans Affairs Medical Center, Flow Incorporated, Portland, Oregon

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J. A. Williams Laboratory and Research Service, Veterans Affairs Medical Center, Flow Incorporated, Portland, Oregon

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J. E. Bancroft Laboratory and Research Service, Veterans Affairs Medical Center, Flow Incorporated, Portland, Oregon

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R. C. Piper Laboratory and Research Service, Veterans Affairs Medical Center, Flow Incorporated, Portland, Oregon

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B. L. Gibbins Laboratory and Research Service, Veterans Affairs Medical Center, Flow Incorporated, Portland, Oregon

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D. J. Hinrichs Laboratory and Research Service, Veterans Affairs Medical Center, Flow Incorporated, Portland, Oregon

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DOI:
https://doi.org/10.4269/ajtmh.1993.48.739
Volume/Issue:
Volume 48: Issue 6
Page(s):
739–741
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This report compares the use of the lactate dehydrogenase (pLDH) assay with 3H-hypoxanthine incorporation and Giemsa microscopy for the evaluation of anti-malaria drug inhibition of the growth of P. falciparum in vitro. The inhibition profiles and IC50 determinations of the pLDH assay were directly comparable to those determined by the radioactive uptake and microscopic methods. Furthermore, the pLDH culture sensitivity assay is reproducible, easily interpreted, rapid and inexpensive to perform, suggesting field applicability.

Author Notes

Copyright:
Copyright © 1993 by The American Society of Tropical Medicine and Hygiene 1993
Published Online:
Jun 1993
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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