Chloroquine is able to bind to DNA, and inhibit DNA replication and RNA synthesis which in turn results in cell death. The effect of Chloroquine may also be related to the formation of a toxic heme-Chloroquine complex. Plaquenil adverse effects Can plaquenil cause muscle weakness Beaus lines plaquenil Chloroquine is an established antimalarial agent that has been recently tested in clinical trials for its anticancer activity. The favorable effect of chloroquine appears to be due to its ability to sensitize cancerous cells to chemotherapy, radiation therapy, and induce apoptosis. Chloroquine is a lysosomotropic agent that prevents endosomal acidification 1. 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. Chloroquine diphosphate is an antimalarial and anti-inflammatory drug widely used to treat malaria and rheumatoid arthritis. Chloroquine diphosphate is an inhibitor of autophagy and toll-like receptors TLRs. Chloroquine possesses definite antirheumatic properties. Chloroquine has immuno-modulatory effects, suppressing the production/release of tumour necrosis factor and interleukin 6. Chloroquine inhibits trophozoite hemoglobin degradation through increasing vacuolar p H and inhibiting the activity of vacuolar phospholipase, vacuolar proteases, and heme polymerase. Chloroquine ic50 Chloroquine inhibits hepatocellular carcinoma cell growth., Chloroquine for research Cell-culture tested InvivoGen Maralone vs doxycycline vs chloroquine Jul 30, 2019 Before the administration of chloroquine, the patient had only a mild skin erythema in the irradiated area, which was consistent with the radiotherapy dose she had received. On day 3 of chloroquine therapy, she developed localized brisk bullous eruptions in the irradiated area, which developed into a patch of fulminant moist desquamation. Chloroquine Side Effects Common, Severe, Long Term -. Chloroquine diphosphate Autophagy Inhibitor MedChemExpress. IC50 Calculator AAT Bioquest. The IC50 and IC90 of chloroquine against H1N1 are 3.6 μM and 9.9 μM, respectively, while those for H3N2 are 0.84 μM and 2.4 μM, respectively. Only a handful of drugs are able to inhibit influenza A virus replication and the increasing prevalence of resistance to these drugs demands newer classes of anti-influenza drugs. BioAssay record AID 568773 submitted by ChEMBL Selectivity index, ratio of IC50 for human HepG2 cells to IC50 for chloroquine, pyrimethamine, and mefloquine-resistant Plasmodium falciparum Dd2. BioAssay record AID 703715 submitted by ChEMBL Resistance ratio of IC50 for chloroquine-resistant Plasmodium falciparum K1 to IC50 for chloroquine-sensitive Plasmodium falciparum NF54.