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Lidocaine is the most commonly used local anaesthetic in clinical and can inhibit proliferation, suppress invasion and migration and induce apoptosis in human lung adenocarcinoma (LAD) cells. However, its specific downstream molecular mechanism is unclear. LAD cell lines, A549 and H1299 cells, were treated with lidocaine. The proliferation was evaluated by the methylthiazolyldiphenyl-tetrazolium bromide (MTT) and bromodeoxyuridine (BrdU) assay. The expression level of related proteins was detected by real-time quantitative PCR (qPCR) and Western blot assay. The results indicated that lidocaine dose-dependently suppressed the proliferation of A549 and H1299 cells. In the LAD patients' samples, GOLT1A was upregulated and involved in the poor prognosis and higher grade malignancy. Additionally, GOLT1A mediates the function of lidocaine on repressing proliferation by regulating the cell cycle in A549 cells. Our findings suggest that lidocaine downregulates the GOLT1A expression to repress the proliferation of lung cancer cells. © 2017 John Wiley & Sons Ltd.


Lei Zhang, Rong Hu, Yanyong Cheng, Xiaoyang Wu, Siwei Xi, Yu Sun, Hong Jiang. Lidocaine inhibits the proliferation of lung cancer by regulating the expression of GOLT1A. Cell proliferation. 2017 Oct;50(5)

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PMID: 28737263

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