Chloroquine lysosome

Discussion in 'Hydroxychloroquine Sulfate' started by prokla, 22-Feb-2020.

  1. bestdomain Well-Known Member

    Chloroquine lysosome


    Detailed information on how Wiley uses cookies can be found in our Privacy Policy. Autophagy is an important cell recycling program responsible for the clearance of damaged or long-lived proteins and organelles.

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    Sep 15, 2013 Chloroquine is a lysosomotropic agent as it is usually prepared as a diprotic weak base pKa 8.5. The unprotonated form of chloroquine preferentially accumulates in lysosomes as it rapidly diffuses across cell/organelle membranes. It is thus not surprising that chloroquine/hydroxychloroquine is concentrated within acidic organelles such as the endosome, Golgi vesicles, and the lysosomes, where the pH is low and most chloroquine/hydroxychloroquine molecules are positively charged. Chloroquine is a known lysosomotropic agent that increases lysosomal pH by accumulating within lysosomes as a deprotonated weak base. To study the effects of lysosomal dysfunction in ARPE-19, it was necessary to establish an in vitro model utilizing chloroquine.

    Bafilomycin A1 and chloroquine are commonly used compounds that inhibit autophagy by targeting the lysosomes but through distinct mechanisms. Pharmacological modulators of this pathway have been extensively utilized in a wide range of basic research and pre-clinical studies.

    Chloroquine lysosome

    CST - Chloroquine, Effects of chloroquine on viral infections an old drug.

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  5. Chloroquine raises the pH in host-cell lysosomes, which interferes with viruses’ attempts to acidify the lysosomes, a prerequisite to formation of the autophagosomes that cells use to eat themselves. In the Cell Research paper, the researchers found that the drug was effective at inhibiting the virus as it was both entering and exiting cells.

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    When chloroquine enters the lysosome, it becomes protonated because of the low pH within the lysosome, and accumulation of the protonated form of chloroquine within the lysosome leads to less acidic conditions and, thereby, decreased lysosomal function. Oct 01, 2018 Chloroquine phosphate tablets, Chloroquine phosphate, USP, is a 4-aminoquinoline compound for oral administration. It is a white, odorless, bitter tasting, crystalline substance, freely soluble inwater. Chloroquine phosphate tablets are an antimalarial and amebicidal drug. Chloroquine is a lysosomotropic agent that prevents endosomal acidification. It accumulates inside the acidic parts of the cell, including endosomes and lysosomes. This accumulation leads to inhibition of lysosomal enzymes that require an acidic pH, and prevents fusion of endosomes and lysosomes.

     
  6. ShadowD XenForo Moderator

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  7. rabotayy Guest

    This is not a list of all drugs or health problems that interact with chloroquine. Chloroquine Dosage - Malaria Home Page WHO Model Prescribing Information Drugs Used in Parasitic. Chloroquine Oral Uses, Side Effects, Interactions.
     
  8. pacxa New Member

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  9. rovshan.com Moderator

    Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Hydroxychloroquine sulfate is a colorless crystalline solid, soluble in water to at least 20 percent; chemically the drug is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration.

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