Chloroquine: mechanism of drug action and resistance in plasmodium falciparum

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  1. chill XenForo Moderator

    Chloroquine: mechanism of drug action and resistance in plasmodium falciparum


    Previously referred to as “Resochin”, Chloroquine was first discovered in 1924 at Bayer laboratories. Its first use was initially ignored as it was found to be toxic to people.

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    Krogstad DJ, Gluzman IY, Kyle DE, Oduola AM, Martin SK, Milhous WK, Schlesinger PH. Efflux of chloroquine from Plasmodium falciparum mechanism of chloroquine resistance. Science. 1987 Nov 27; 238 48311283–1285. Krogstad DJ, Schlesinger PH. A perspective on antimalarial action effects of weak bases on Plasmodium falciparum. Biochem Pharmacol. Chloroquine mechanism of drug action and resistance in Plasmodium falciparum. Slater AF1. Author information 1Picower Institute for Medical Research, Manhasset, NY 11030. Quinoline-containing drugs such as chloroquine and quinine have had a long and successful history in antimalarial chemotherapy. Mar 27, 2003 The emergence of chloroquine resistance has been associated with a dramatic increase in malaria mortality among inhabitants of some endemic regions. The rationale for chemoprophylaxis is weakening as multiple‐drug resistance develops against well‐tolerated drugs. Plasmodium falciparum drug‐resistant malaria originates from chromosome mutations.

    These trials showed that chloroquine eliminated malaria and was appropriate to be used as an antimalarial drug. Thus, it was not until World War II that the government of the United States sponsored the clinical trials of chloroquine as an antimalarial drug.

    Chloroquine: mechanism of drug action and resistance in plasmodium falciparum

    Elucidating Mechanisms of Drug-Resistant Plasmodium falciparum, Chloroquine mechanism of drug action and resistance in.

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  6. Sanchez, C. P. Stein, W. & Lanzer, M. Trans stimulation provides evidence for a drug efflux carrier as the mechanism of chloroquine resistance in Plasmodium falciparum.

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    The emergence of Plasmodium falciparum resistance to anti-malarial drugs has thwarted malaria control efforts and remains a major obstacle to malaria elimination throughout the world. Chloroquine was one of the first drugs to be used on a wide scale for the treatment of malaria. Chloroquine resistance emerged independently in different geographic regions. Extrusion of chloroquine CQ from digestive vacuoles through the Plasmodium falciparum CQ resistance transporter PfCRT is essential to establish CQ resistance of the malaria parasite. However, the physiological relevance of PfCRT and how CQ-resistant PfCRT gains the ability to transport CQ remain unknown. Jan 22, 2018 Petersen, I. et al. Balancing drug resistance and growth rates via compensatory mutations in the Plasmodium falciparum chloroquine resistance transporter. Mol. Microbiol. 97, 381–395 2015.

     
  7. OkilA New Member

    To assess the efficacy of chloroquine (Aralen) phosphate and hydroxychloroquine (Plaquenil) sulfate in the treatment of patients with neurosarcoidosis who either do not respond to corticosteroid therapy or develop unacceptable side effects. Sarcoidosis - Diagnosis and treatment - Mayo Clinic How effective is Plaquenil for Sarcoidosis by duration. Plaquenil Withdrawal – Life As An Anomaly
     
  8. DmitryU Well-Known Member

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  9. python Well-Known Member

    Plaquenil and low wbc - Things You Didn’t Know Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Dugan on plaquenil and low wbc This drug can effect the bone marrow and make the white blood count and platelets low. Your doctor may want to stop this medication, but don't stop it till you talk to the doctor. Good luck!

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