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XIAP Limits Autophagic Degradation of Sox2 and Is A Therapeutic Target in Nasopharyngeal Carcinoma Stem Cells
Conclusion: Our study highlights the importance of IAPs in the maintenance of CSCs in NPC. Thus, XIAP is a promising therapeutic target in CSCs and suggests that NPC patients may benefit from a combination treatment of APG-1387 with conventional chemotherapy.
Source: Theranostics - June 20, 2018 Category: Molecular Biology Authors: Jiao Ji, Yan Yu, Zhi-Ling Li, Ming-Yuan Chen, Rong Deng, Xiang Huang, Guang-Feng Wang, Meng-Xia Zhang, Qi Yang, Senthilkumar Ravichandran, Gong-Kan Feng, Xue-Lian Xu, Chen-Lu Yang, Miao-Zhen Qiu, Lin Jiao, Dajun Yang, Xiao-Feng Zhu Tags: Research Paper Source Type: research

Downregulation of mitochondrial cyclooxygenase-2 inhibits the stemness of nasopharyngeal carcinoma by decreasing the activity of dynamin-related protein 1
Cancer stem cells (CSCs) are a small subset of malignant cells, possessing stemness, with strong tumorigenic capability, conferring resistance to therapy and leading to the relapse of nasopharyngeal carcinoma (NPC). Our previous study suggested that cyclooxygenase-2 (COX-2) would be a novel target for the CSCs-like side population (SP) cells in NPC. In the present study, we further found that COX-2 maintained the stemness of NPC by enhancing the activity of mitochondrial dynamin-related protein 1 (Drp1), a mitochondrial fission mediator, by studying both sorted SP cells from NPC cell lines and gene expression analyses in N...
Source: Theranostics - September 12, 2017 Category: Molecular Biology Authors: Teng-Jian Zhou, Shi-Li Zhang, Cheng-Yong He, Qun-Ying Zhuang, Pei-Yu Han, Sheng-Wei Jiang, Huan Yao, Yi-Jun Huang, Wen-Hua Ling, Yu-Chun Lin, Zhong-Ning Lin Tags: Research Paper Source Type: research

Parthenolide Inhibits Cancer Stem-Like Side Population of Nasopharyngeal Carcinoma Cells via Suppression of the NF-κB/COX-2 Pathway
In this study, cyclooxygenase-2 (COX-2) was found to regulate cancer stem-like side population cells of nasopharyngeal carcinoma cells and enhance cancer stem-like cells' characteristics such as higher colony formation efficiency and overexpression of stemness-associated genes. The regulatory effect of COX-2 on cancer stem-like characteristics may be mediated by ABCG2. COX-2 overexpression by a gain-of-function experiment increased the proportion of side population cells and their cancer stemness properties. The present study also demonstrated that in contrast to the classical chemotherapy drug 5-fluorouracil, which increa...
Source: Theranostics - January 1, 2015 Category: Molecular Biology Authors: Kun Liao, Bin Xia, Qun-Ying Zhuang, Meng-Jun Hou, Yu-Jing Zhang, Bing Luo, Yang Qiu, Yan-Fang Gao, Xiao-Jie Li, Hui-Feng Chen, Wen-Hua Ling, Cheng-Yong He, Yi-Jun Huang, Yu-Chun Lin, Zhong-Ning Lin Tags: Research Paper Source Type: research