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 p H, and prevents fusion of endosomes and lysosomes. TLR7/8-Mediated Activation of Human NK Cells Results in Accessory Cell-Dependent IFN- Production. Treatment for chloroquine resistant vivax malaria Chloroquine eye exam for macular lesions Hydroxychloroquine and rheumatoid arthritis John hopkins research on plaquenil Jun 01, 2009 β-CD inhibits clathrin-dependent endocytosis by selectively extracting cholesterol from the plasma membrane. Hydrophobic amines such as phenothiazines, MDC and chloroquine inhibit clathrin-dependent endocytosis by affecting the function of clathrin and clathrin-coated vesicles Salisbury et al. 1980; Wang et al. 1993. Variations of endocytic and of lysosomal functions during the cell cycle have been investigated in synchronized hepatoma cells derived from Morris hepatoma 7288c by following the cellular uptake of horseradish peroxidase, dextran mol wt. 70,000, and chloroquine. Dec 22, 2006 However, little is known about how the endocytosis of GM1 is regulated. In this study, the treatment of PC12 cells with chloroquine at low μM concentrations induced marked GM1 accumulation whereas that at high μM concentration, which is required for the inhibition of lysosomal activity, induced the GM1 disappearance. Moreover, Chloroquine inhibits autophagy as it raises the lysosomal p H, which leads to inhibition of both fusion of autophagosome with lysosome and lysosomal protein degradation . Chloroquine is commonly used to study the role of endosomal acidification in cellular processes [2, 3], such as the signaling of intracellular TLRs. Chloroquine endocytosis Chloroquine-induced endocytic pathway abnormalities Cellular model of., Endocytosis and chloroquine accumulation during the cell cycle of. Hydroxychloroquine and hair thinningPlaquenil lupus weight lossPlaquenil oct findingsWhat symptoms does plaquenil treatNeurontin and plaquenil interactions Nov 29, 2016 Chloroquine is known to be a non-specific antiviral agent, but its effect on the Zika virus replication has not been evaluated yet. This is the first report of inhibitory effects of chloroquine on ZIKV replication, which, given the ongoing epidemics, may become interesting both for the scientific knowledge of the virus and for the clinical. Chloroquine, an Endocytosis Blocking Agent, Inhibits Zika.. Chloroquine-induced endocytic pathway abnormalities Cellular.. Endosomal Escape Pathways for Non-Viral Nucleic Acid Delivery Systems.. Recent reports have highlighted that chloroquine CQ is capable of inhibiting ZIKV endocytosis in brain cells. We applied pharmacokinetic modeling to develop a predictive model for CQ exposure to identify an optimal maternal/fetal dosing regimen to prevent ZIKV endocytosis in brain cells. Oct 01, 2018 Chloroquine phosphate tablets should not be used in these conditions unless the benefit to the patient outweighs the potential risks. Usage in Pregnancy Usage of Chloroquine during pregnancy should be avoided except in the prophylaxis or treatment of malaria when the benefit outweighs the potential risk to the fetus. Unfortunately, Chloroquine, as well as other endosomal escape or endolytic agents, are often too toxic for use in preclinical models or eventual clinical trials of macromolecular therapeutics.