Mechanism of chloroquine on lysosome

Discussion in 'Chloroquine Phosphate 500 Mg' started by devlet, 13-Mar-2020.

  1. lyaskov Guest

    Mechanism of chloroquine on lysosome


    Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver. This medication is used to kill the malaria parasites living inside red blood cells.

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    The effect peaks after 1-2 hours of ingestion, and it has a terminal elimination half-life of 1-2 months since it is stored and trapped in lysosomes. Mechanism The exact mechanism of chloroquine is unknown but there are many postulated theories. An important component of red blood cells, heme, is broken down by parasites. Mechanism of Action Chloroquine, a 4-aminoquinoline, is an anti-protozoal agent. The precise mechanism by which Chloroquine exhibits activity is not known. Chloroquine, may exert its effect against Plasmodium species by concentrating in the acid vesicles of the parasite and by inhibiting polymerization of heme. It can also inhibit certain enzymes by its interaction with DNA. Chloroquine Phosphate. Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver.

    Both drugs may be needed for a complete cure and to prevent the return of infection (relapse). In some cases, you may need to take a different medication (such as primaquine) to kill the malaria parasites living in other body tissues.

    Mechanism of chloroquine on lysosome

    Chloroquine as Intercalator a Hypothesis Revived, Chloroquine - FDA prescribing information, side effects.

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  5. Chloroquine is a 4-aminoquinoline with antimalarial, anti-inflammatory, and potential chemosensitization and radiosensitization activities. Although the mechanism is not well understood, chloroquine is shown to inhibit the parasitic enzyme heme polymerase that converts the toxic heme into non-toxic hemazoin, thereby resulting in the accumulation of toxic heme within the parasite.

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    Two mechanisms are thought to be involved in chloroquine accumulation into the P. falciparum vacuole acidic trapping due to low vacuolar pH and chloroquine binding to heme or heme related species. It is reasonable to assume that PfCRT does not directly affect the molecular mechanism of chloroquine-HM binding. As far as I know, chloroquine may accumulate in the lysosome and gradually increase lysosomal pH and impair its function. Therefore, I first thought that chloroquine-treated cells stained with. Chloroquine resistance is associated with a decrease in the amount of chloroquine that accumulates in the food vacuole, the site of action for chloroquine. The mechanism for this decreased accumulation is controversial. Some studies have shown that the decrease in drug accumulation is due to an increase in drug efflux.

     
  6. Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Hydroxychloroquine Uses, Dosage & Side Effects - PATIENT FACT SHEET Hydroxychloroquine Plaquenil Hydroxychloroquine Plaquenil ACR Patient Education.
     
  7. Salomon Moderator

    Background: The American Academy of Ophthalmology recommendations on screening for chloroquine (CQ) and hydroxychloroquine (HCQ) retinopathy are revised in light of new information about the prevalence of toxicity, risk factors, fundus distribution, and effectiveness of screening tools. Recommendations on Screening for Chloroquine and. Dr. Chad D. Hummel MD - Ophthalmologist in Massapequa, NY. Dr. Chad D Hummel - Largo FL, Ophthalmology, 148 13th St SW
     
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