ArticleZhongguo fei ai za zhi = Chinese journal of lung cancer2016
[SIRT1 Influences the Sensitivity of A549 Non-small Cell Lung Cancer Cell Line to Cisplatin via Modulating the Noxa Expression].
Article in Zhongguo fei ai za zhi = Chinese journal of lung cancer, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 4 citations in OpenAlex.
- SIRT1/PGC-1α/PPAR-γ Correlate With Hypoxia-Induced Chemoresistance in Non-Small Cell Lung Cancer.Frontiers in oncology · 2021Review
- Butyrate induces ROS-mediated apoptosis by modulating miR-22/SIRT-1 pathway in hepatic cancer cells.Redox biology · 2017Article
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4 authors at 1 institution in 1 country.
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Abstract
backgroundThe resistance of non-small cell lung cancer cells to cisplant is a common clinical phenomenon which could induce a poor therapeutic effect and should be difficult problem to be solved. SIRT1 and Noxa expression are associated with the chemotherapy for tumors. The present study focused on how SIRT1 expression influence the senstivity of non-small cell lung cancer cells and dissected the potential mechanism involved with Noxa.
methodsThe difference of SIRT1 and Noxa expression between A549 cells and A549/DDP cells was detected by real-time quantitative PCR (qRT-PCR) and Western blot. SIRT1 targeted siRNA was uesed to inhibit the SIRT1 expression in A549/DDP, after transfection, Cell Titer Blue assay, flow cytometry were performed to analyze the cell viability, cell cycle and cell apoptosis in order to reveal the effect of inhibition of SIRT1 on sensitivity of A549/DDP cells to cisplant. Moreover, the expression changes of Noxa in A549/DDP cells after siRNA treatment were detected by qRT-PCR and Western blot.
resultsThere was a significant difference in senstivity to cisplant between A549 and A549/DDP cells. Compared with A549 cells, the A549/DDP cells showed a higher SIRT1 expression and lower Noxa expression. After transfected with SIRT1 targeted siRNA, the cell viability decreased accompanied with a increasing apoptosis rate, meanwhile, higher percent of G2/M phase was detected after the 4 μg/mL cisplant treatment. Further more, inhibition of SIRT1 could induce the Noxa expression in A549/DDP cells.
conclusionsHigher SIRT1 expression may induce resistance to cisplant in A549 cells. SIRT1 inhibition may improve the sensitivity of A549/DDP cells to cisplantin though modulating the Noxa expression. .
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