lncRNA CASC19 Contributes to Radioresistance of Nasopharyngeal Carcinoma by Promoting Autophagy via AMPK-mTOR Pathway
Abstract
:1. Introduction
2. Results
2.1. Validation of Radioresistant NPC Cells
2.2. Bioinformatics Analysis
2.3. Knockdown of CASC19 Increased the Radiosensitivity of NPC Cells
2.4. CASC19 Abrogation-Inhibited NPC Tumor Growth In Vivo
2.5. Autophagy Contributed to Radioresistance of NPC Cells
2.6. Inhibition of lncRNA CASC19 Decreased Autophagy by AMPK/mTOR Pathway
3. Discussion
4. Materials and Methods
4.1. Cell Culture
4.2. Colony Formation Assay
4.3. Apoptosis Analysis
4.4. Transwell Assay
4.5. RNA Isolation, Library Preparation, and Sequencing Analysis
4.6. lncRNA Co-Expression Analysis and lncRNA Target Prediction
4.7. Western Blotting
4.8. RNA Extraction and Quantitative RT-qPCR Assay
4.9. RNA Interference and Drug Treatment
4.10. Micronucleus (MN) Assay
4.11. Analysis of Autophagic Flux
4.12. Tumor Radiosensitivity Assay
4.13. Statistical Analysis
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Liu, H.; Zheng, W.; Chen, Q.; Zhou, Y.; Pan, Y.; Zhang, J.; Bai, Y.; Shao, C. lncRNA CASC19 Contributes to Radioresistance of Nasopharyngeal Carcinoma by Promoting Autophagy via AMPK-mTOR Pathway. Int. J. Mol. Sci. 2021, 22, 1407. https://doi.org/10.3390/ijms22031407
Liu H, Zheng W, Chen Q, Zhou Y, Pan Y, Zhang J, Bai Y, Shao C. lncRNA CASC19 Contributes to Radioresistance of Nasopharyngeal Carcinoma by Promoting Autophagy via AMPK-mTOR Pathway. International Journal of Molecular Sciences. 2021; 22(3):1407. https://doi.org/10.3390/ijms22031407
Chicago/Turabian StyleLiu, Hongxia, Wang Zheng, Qianping Chen, Yuchuan Zhou, Yan Pan, Jianghong Zhang, Yang Bai, and Chunlin Shao. 2021. "lncRNA CASC19 Contributes to Radioresistance of Nasopharyngeal Carcinoma by Promoting Autophagy via AMPK-mTOR Pathway" International Journal of Molecular Sciences 22, no. 3: 1407. https://doi.org/10.3390/ijms22031407