Chloroquine and acid vesicle function.

D. J. Krogstad, P. H. Schlesinger, I. Y. Gluzman

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations


These studies suggest that the site of chloroquine action against the malaria parasite is the acid intracellular vesicle system, and that the critical first step in chloroquine action is to raise parasite vesicle pH. Measurements of acid vesicle buffering capacity and of 3H-chloroquine accumulation suggest that the parasite has a chloroquine-concentrating mechanism in its acid vesicles, although the molecule(s) responsible for this concentration has not been identified. Chloroquine resistance in P. falciparum results from rapid efflux of chloroquine from the resistant parasite. This phenomenon alone is sufficient to account for chloroquine resistance.

Original languageEnglish
Pages (from-to)53-59
Number of pages7
JournalProgress in Clinical and Biological Research
StatePublished - 1989

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