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Chloroquine against malaria, cancers and viral diseases.


ABSTRACT: Quinoline (QN) derivatives are often used for the prophylaxis and treatment of malaria. Chloroquine (CQ), a protonated, weakly basic drug, exerts its antimalarial effect mainly by increasing pH and accumulating in the food vacuole of the parasites. Repurposing CQ is an emerging strategy for new indications. Given the inhibition of autophagy and its immunomodulatory action, CQ shows positive efficacy against cancer and viral diseases, including Coronavirus 2019 (COVID-19). Here, we review the underlying mechanisms behind the antimalarial, anticancer and antiviral effects of CQ. We also discuss the clinical evidence for the use of CQ and hydroxychloroquine (HCQ) against COVID-19.

SUBMITTER: Zhou W 

PROVIDER: S-EPMC7492153 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Chloroquine against malaria, cancers and viral diseases.

Zhou Wenmin W   Wang Hui H   Yang Yuqi Y   Chen Zhe-Sheng ZS   Zou Chang C   Zhang Jianye J  

Drug discovery today 20200916


Quinoline (QN) derivatives are often used for the prophylaxis and treatment of malaria. Chloroquine (CQ), a protonated, weakly basic drug, exerts its antimalarial effect mainly by increasing pH and accumulating in the food vacuole of the parasites. Repurposing CQ is an emerging strategy for new indications. Given the inhibition of autophagy and its immunomodulatory action, CQ shows positive efficacy against cancer and viral diseases, including Coronavirus 2019 (COVID-19). Here, we review the und  ...[more]

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