It is very famous (for its effectiveness) rather infamous (for its characteristic bitter taste), I still remember during my childhood back in India, elders used to threaten kids that if they won’t sleep in bed equipped with mosquito nets, they would have to eat chloroquine, and all kids out of fear for chloroquine rather malaria itself, would immediately agree to go to bed under the net (which they otherwise did not like normally). Anyways, in last few decades because of emerging chloroquine-resistant malaria parasites, chloroquine was almost forgotten and researchers started to look for other more effective and less toxic drugs to treat and prevent malaria. Does plaquenil suppress the immune system Chloroquine indications Proceedings AACR Annual Meeting 2017; April 1-5, 2017; Washington, DC Epithelial ovarian cancer remains a deadly diagnosis with poor prognosis and patients succumbing to chemoresistant disease in 80% of cases. Mechanisms of chemoresistance are numerous, but we have identified ribosomal biogenesis basal machinery as being a common upregulated signaling network in response to chemotherapeutic. Ironically, it was used in tumours with very high autophagy levels, the exact opposite of ovarian cancer. We think that, in combination with other autophagy disruptors, chloroquine may have its best effect in a serous ovarian cancer trial because these cells are already compromised. This has yet to be attempted," Delaney said. The autophagy inhibitor chloroquine, which functions at the late stage of autophagy, significantly reduced resveratrol-induced cell death and caspase 3 activity in human ovarian cancer cells. We also demonstrated that targeting ATG5 by siRNA also suppressed resveratrol-induced apoptotic cell death. Autophagy (from Greek auto-oneself, phagy-to eat) is a process of self-cannibalization which is dependent on the presence of autophagosomes, autolysosomes, as well as an intact nucleus in the cell. It is only last couple of years that chloroquine got sudden attention especially among biologists when cancer biologists noticed its role as an inhibitor of autophagy. Chloroquine ovarian cancer Avelumab Shows Promise in Early Trial for Advanced Ovarian Cancer, Autophagy genes act as tumour suppressors in ovarian cancer. Plaquenil hivesAlcohol dehydrogenase chloroquine Chloroquine enters the red blood cell, inhibiting the parasite cell and digestive vacuole by simple diffusion. Chloroquine then becomes protonated to CQ2+, as the digestive vacuole is known to be acidic pH 4.7; chloroquine then cannot leave by diffusion. Chloroquine - Wikipedia. Apoptotic Cell Death Induced by Resveratrol Is Partially.. Chloroquine & Hydroxychloroquine supporting chemo.. Jan 10, 2017 A new study by University of Kentucky Markey Cancer Center researchers shows that chloroquine -- a drug currently used to treat malaria -- may be useful in treating patients with metastatic cancers. Cancer researchers are looking for ways to repurpose existing drugs for cancer care, but the research goes the other way as well. The same genetic mutations and pathways targeted by cancer drugs may play a critical role in other diseases or conditions, meaning cancer drugs could help a larger patient population. Aug 19, 2014 Where and How Chloroquine Fights Cancer. Chloroquine is an antimalaria drug that also suppresses tumor growth and metastasis. Chloroquine neutralizes the pH of intracellular compartments, thereby disrupting the endosomal trafficking and lysosomal function. Whereas chloroquine impairs autophagy and proliferation in tumor cells, Maes et al.