Chloroquine lysosome acidification

Discussion in 'North West Pharmacy Canada' started by vortex, 08-Mar-2020.

  1. kostek67 Well-Known Member

    Chloroquine lysosome acidification

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

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    Jan 23, 2017 Consequently, chloroquine analogs inhibit the production of several cytokines, chemokines or mediators, whose excessive appearance contributes the severity of viral infections. Therefore, the inhibition of endosomal acidification by chloroquine analogs may become a potential therapeutic strategy for viral infections and associated pathologies. Aug 24, 2017 Chloroquine CQ or its derivative hydroxychloroquine HCQ has been widely tested in preclinical cancer models as an inhibitor of the autophagy–lysosomal pathway. These antimalarial drugs have. Excretion of Chloroquine is quite slow,but is increased by acidification of the urine. Chloroquine is deposited in the tissues in considerable amounts. In animals, from 200 to 700 times the plasma concentration may be found in the liver,spleen, kidney, and lung; leukocytes also concentrate the drug.

    To address this, we cultured primary rat cortical neurons from E18 embryos and used the Seahorse XF96 analyzer and a targeted metabolomics approach to measure the effects of bafilomycin A1 and chloroquine on bioenergetics and metabolism. Since it is now clear that mitochondrial quality control, particularly in neurons, is dependent on autophagy, it is important to determine whether these compounds modify cellular bioenergetics.

    Chloroquine lysosome acidification

    Dissecting pharmacological effects of chloroquine in cancer., Lysosomotropism depends on glucose a chloroquine resistance.

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  3. Neurodegenerative lysosomal storage disorders LSDs are severe and untreatable recessive genetic disorders that cause devastating damage to the nervous system. These diseases exhibit severe disruption of lysosomes a cellular organelle that breaks down lipids and proteins and other aspects of cell function.

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    The Chloroquine Story in Cancer Continues By Derek Lowe 10 February, 2016 Almost immediately after Pfizer and Novartis provided evidence that chloroquine used in several chemotherapy regimes doesn’t do what people thought, another drug company AstraZeneca, along with coworkers at Dundee is out with a paper suggesting what it might be. The problem of using chloroquine or ammonium chloride is that both of them prevent the acidification of the lysosomes not to interact directly with the autophagosome formation as 3-MA does. Chloroquine alkalinizes the lysosome, thus maintaining GFP fluorescence. Leupeptin A does not affect the acidic lysosomal pH, and therefore only RFP fluorescence is observed. C Monitoring autophagosome–lysosome fusion and acidification.

  4. Natasha2007 New Member

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