Anti-Inflammatory Drug, Leflunomide and Its Metabolite Teriflunomide Inhibit Nsclc Proliferation in Vivo and in Vitro

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  • 作者:Jiang, L., Zhang, W., Li, W., Ling, C. & Jiang, M.
  • 期刊:Toxicology letters 282, 154-165 (2018)
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Lung cancer causes more than 150000 deaths annually in the United States alone, of which non-small cell lung cancer (NSCLC) accounts for 80%. Our studies demonstrated that NSCLC cells were sensitive to leflunomide and its metabolite teriflunomide, a FDA approved drug, which was a well-known immunomodulatory drug for relapsing multiple sclerosis (MS). In the present studies, we found first time that they displayed anti-tumor activity of NSCLC in vitro and in vivo. Potent anti-cancer effects in NSCLC in vitro, including inhibiting NSCLC cells viability, arresting cell cycle at the G0/G1 phase, inducing cell apoptosis, delaying and suppressing NSCLC cells colony-forming ability and cell motility, could be achieved with this agent. Meanwhile, we provided evidence that these effects were applicable in vivo by using H460 cells xenograft model in nude mice. In addition, to comprehensively clarify the mechanisms of teriflunomide in NSCLC, we explored a genome-wide transcriptomic analysis, and found that teriflunomide was involved in multiple signaling pathways and cellular processes, such as cell cycle, apoptosis, MAPK and p53 signaling pathway. Taken together, the results of our studies provided insights into a novel anti-cancer effect of leflunomide and teriflunomide on NSCLC and might open new therapeutic avenues for the treatment of NSCLC.

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