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  • Title: Cytotoxic effects of combination of oxidosqualene cyclase inhibitors with atorvastatin in human cancer cells.
    Author: Staedler D, Chapuis-Bernasconi C, Dehmlow H, Fischer H, Juillerat-Jeanneret L, Aebi JD.
    Journal: J Med Chem; 2012 Jun 14; 55(11):4990-5002. PubMed ID: 22533316.
    Abstract:
    Ten oxidosqualene cyclase inhibitors with high efficacy as cholesterol-lowering agents and of different chemical structure classes were evaluated as potential anticancer agents against human cancer cells from various tissue origins and nontumoral human-brain-derived endothelial cells. Inhibition of cancer cell growth was demonstrated at micromolar concentrations, comparable to the concentrations of statins necessary for antitumor effect. Human glioblastoma cells were among the most sensitive cells. These compounds were also able to decrease the proliferation of angiogenic brain-derived endothelial cells, as a model of tumor-induced neovasculation. Additive effects in human glioblastoma cells were also demonstrated for oxidosqualene cyclase inhibitors in combination with atorvastatin while maintaining selectivity against endothelial cells. Thus, not only statins targeting the 3-hydroxy-3-methylglutaryl coenzyme A reductase but also inhibitors of oxidosqualene cyclase decrease tumor growth, suggesting new therapeutic opportunities of combined anti-cholesterol agents for dual treatment of glioblastoma.
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