Chloroquine lysosomal accumualtion

Discussion in 'Hydroxychloroquine' started by Non_stop, 29-Feb-2020.

  1. Web13 Guest

    Chloroquine lysosomal accumualtion


    Chloroquine is the most widely used drug against malaria, except for those cases caused by chloroquine resistant Plasmodium falciparum. To prevent malaria: Start taking the medicine 2 weeks before entering an area where malaria is common.

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    Jan 27, 2010 Chloroquine CQ, traditionally used as an antimalarial medication, has emerged as a prospective adjunct in tumor therapy. CQ has been found to strongly potentiate the inhibitory effect of radiation on cancer cell proliferation, presumably via negative regulation of DNA repair processes. Expression of the pfmdr1-encoded Pgh1 protein of Plasmodium falciparum in CHO cells confers a phenotype of increased sensitivity to chloroquine due to an increased Pgh1-mediated accumulation of this antimalarial. Pgh1 carrying amino acid substitutions associated with chloroquine resistance in P. falciparum does not confer this phenotype. Chloroquine is also a lysosomotropic agent, meaning it accumulates preferentially in the lysosomes of cells in the body. The pK a for the quinoline nitrogen of chloroquine is 8.5, meaning it is about 10% deprotonated at physiological pH as calculated by the Henderson-Hasselbalch equation. This decreases to about 0.2% at a lysosomal pH of 4.6.

    Take chloroquine for the entire length of time prescribed by your doctor. Continue taking the medicine regularly during your stay and for at least 8 weeks after you leave the area.

    Chloroquine lysosomal accumualtion

    Effects of chloroquine on viral infections an old drug., Enhanced lysosomal acidification leads to increased.

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  5. Apr 23, 2018 a Accumulation of RIPK1 and RIPK3 in PC12 cells following treatment with lysosomal inhibitor chloroquine Chq, 100 μM. Cells were treated for 4 h. Cells were treated for 4 h.

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    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 lysotracker will show "weaker" signal compared to control cells since lysotracker labeled low pH organelle. 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. Chloroquine Phosphate is the phosphate salt of chloroquine, a quinoline compound with antimalarial and anti-inflammatory properties. Chloroquine is the most widely used drug against malaria, except for those cases caused by chloroquine resistant Plasmodium falciparum.

     
  6. Filida User

    500 mg chloroquine phosphate (300 mg base) orally on the same day each week Comments: -If possible, suppressive therapy should start 2 weeks prior to exposure; if unable to start 2 weeks before exposure, an initial loading dose of 1 g chloroquine phosphate (600 mg base) may be taken orally in 2 divided doses, 6 hours apart. PDF COMPARATIVE TOXICITY STUDY OF CHLOROQUINE AND. Aquarium Fish Chloroquine A "New" Drug for Treating Fish. Chloroquine phosphate REEF2REEF Saltwater and Reef Aquarium.
     
  7. vilgelm01 XenForo Moderator

    Hydroxychloroquine - Side Effects, Dosage, Interactions. Nov 09, 2018 Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss.

    Hydroxychloroquine Side Effects Common, Severe, Long Term.
     
  8. Drozdi XenForo Moderator

    Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Feb 19, 2020 Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus.

    Rx Side Effects New Plaquenil Guidelines and More - American.