Involvement of twist in NNK exposure-promoted lung cancer cell migration and invasion
Toxicology in Vitro, ISSN: 0887-2333, Vol: 63, Page: 104740
2020
- 11Citations
- 18Captures
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Metrics Details
- Citations11
- Citation Indexes11
- 11
- CrossRef1
- Captures18
- Readers18
- 18
Article Description
Nicotine-derived nitrosamine ketone (NNK), one of the potent carcinogens in cigarette smoke, has been reported to facilitate lung cancer cell migration and invasion. Twist plays an important role in regulating migration and invasion of lung cancer cells. However, it is unclear whether Twist is implicated in NNK-induced migration and invasion of lung cancer cells. Lung cancer cells were exposed to various doses of NNK for four weeks. The expression levels of protein and mRNA were detected by western blot and quantitative real-time polymerase chain reaction (qRT-PCR), respectively. Small interfering RNA (siRNA) was applied to knock down the expression of Twist. The ability of cell migration and invasion was evaluated by wound-healing assay and Transwell invasion assay. NNK exposure increased the levels of Twist protein and mRNA expression in lung cancer cells compared to solvent control. Lung cancer cells exposed to NNK exhibited higher ability of migration and invasion than those with solvent control did. Twist silencing could block NNK-promoted migration and invasion of lung cancer cells. NNK exposure increased the expression levels of N-cadherin mRNA and decreased the expression levels of E-cadherin mRNA in lung cancer cells, which could be modulated by Twist silencing. In conclusion, Twist was involved in NNK-induced migration and invasion of lung cancer cells.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0887233319307295; http://dx.doi.org/10.1016/j.tiv.2019.104740; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85075316469&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/31759049; https://linkinghub.elsevier.com/retrieve/pii/S0887233319307295; https://dx.doi.org/10.1016/j.tiv.2019.104740
Elsevier BV
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