Retinal toxicity from chloroquine apre-19 cells

Discussion in 'Trust Pharmacy Canada' started by LTSR, 04-Mar-2020.

  1. leia777 Guest

    Retinal toxicity from chloroquine apre-19 cells


    Chloroquine has been extensively used in mass drug administrations, which may have contributed to the emergence and spread of resistance. It is recommended to check if chloroquine is still effective in the region prior to using it.

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    It has been detected in the plasma, red blood cells, and urine of patients 5 years after their last known ingestion. 27 This prolonged presence may account for the rare cases of delayed onset of chloroquine retinopathy seen up to 7 years or longer after discontinuation. 28, 29. The precise mechanism of chloroquine-mediated retinal toxicity is unknown. In this study, we investigate the possible role of lysosomes in AMD by treating in vitro human adult retinal pigmented epithelium-19 ARPE-19 cells, which have previously been used as a model for the study of the etiology and development of AMD 19, 20, with chloroquine, a known lysosomotropic agent. Chloroquine CQ is used to prevent and treat malaria and amebiasis,1 while hydroxychloroquine HCQ, a less toxic metabolite of chloroquine, is used to treat rheumatic diseases such as systemic lupus erythematosus SLE, rheumatoid arthritis RA, juvenile idiopathic arthritis JIA and Sjogren's syndrome.2

    The Centers for Disease Control and Prevention recommend against treatment of malaria with chloroquine alone due to more effective combinations. In areas where resistance is present, other antimalarials, such as mefloquine or atovaquone, may be used instead.

    Retinal toxicity from chloroquine apre-19 cells

    Hydroxychloroquine-related retinal toxicity Rheumatology., Chloroquine treatment of ARPE-19 cells leads to lysosome.

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  5. Chloroquine treatment of ARPE-19 cells leads to lysosome dilation and intracellular lipid accumulation Possible implications of lysosomal dysfunction in macular R E S E A R C H.

    • PDF Chloroquine treatment of ARPE-19 cells leads to..
    • Chloroquine And Hydroxychloroquine Toxicity - StatPearls..
    • Chloroquine treatment of ARPE-19 cells. - PubMed Central PMC.

    Chloroquine has a very high volume of distribution, as it diffuses into the body's adipose tissue. Chloroquine and related quinines have been associated with cases of retinal toxicity, particularly when provided at higher doses for longer times. Chloroquine and hydroxychloroquine produce a myriad of adverse effects, including tinnitus, hematologic disorders, liver dysfunction, and retinal toxicity. Retinal toxicity due to chloroquine was first described by Hobbs et al. in 1959 and since then, progressive retinal and RPE degeneration have been routinely demonstrated in patients taking. Chloroquine and hydroxychloroquine bind to melanin in the retinal pigment epithelium RPE and cause damage to the macular cones outside of the fovea. The drugs inhibit RPE lysosome activity, reduce phagocytosis of shed photoreceptor outer segments causing an accumulation of outer receptor segments.

     
  6. saurongorynich Well-Known Member

    Enlarged or swollen lymph nodes are most commonly found in the neck, including the sides of the neck, front of the neck, and at the back of the neck behind the ears. Lupus and Swollen Lymph Nodes Dr Garys Lupus Treatment System Cure. Hydroxychloroquine swollen glands - Doctor answers on. Hydroxychloroquine swollen lymph nodes - Doctor answers on.
     
  7. Georg789 New Member

    Chloroquine Oral Uses, Side Effects, Interactions, Pictures, Warnings. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.

    Hydroxychloroquine Plaquenil Side Effects & Dosage for.
     
  8. mus-tafa Moderator

    Plaquenil Package Insert and Label Information Page 2 of 2 Corticosteroids and salicylates may be used in conjunction with PLAQUENIL, and they can generally be decreased gradually in dosage or eliminated after a maintenance dose of PLAQUENIL has been achieved. HOW SUPPLIED. PLAQUENIL tablets are white, to off-white, film coated tablets imprinted “PLAQUENIL” on one face in black ink.

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