Kang Zhu^*, Ying He^†, Cui Xia^*, Jing Yan^*, Jin Hou^*, Demin Kong^*, Yeye Yang^*, Guoxi Zheng^*

Oncology Research, Vol.24, No.3, pp. 145-151, 2016, DOI:10.3727/096504016X14611963142290

Abstract Nasopharyngeal carcinoma (NPC) is a highly metastatic cancer, frequently occurring in Southeast Asia and Southern China. Several microRNAs (miRNAs) have been shown to have an inhibitive effect on NPC, while the effect of miR-15a on NPC remains unclear. Thus, our study aimed to investigate the potential effect of miR-15a on NPC cell proliferation, apoptosis, and possible functional mechanism. Human NPC CNE1 cells were transfected with miR-15a mimics, miR-15a inhibitors, or a control. Afterward, cell viability and apoptosis were assayed by using CCK-8, BrdU assay, and flow cytometry. Moreover, Western blot was used to detect the… More >

Huimin Wang^*, Hexin Chen^†, Hang Zhou^*, Wenfa Yu^*, Zhenmin Lu^*

Oncology Research, Vol.25, No.9, pp. 1431-1440, 2017, DOI:10.3727/096504017X14835311718295

Abstract Nasopharyngeal carcinoma (NPC) is a common malignancy of the head and neck that arises from the nasopharynx epithelium and is highly invasive. Cyclin-dependent kinase inhibitor 3 (CDKN3) belongs to the dualspecificity protein phosphatase family, which plays a key role in regulating cell division. Abnormal expression of CDKN3 has been found in numerous types of cancer. In the current study, we explored the possible role of CDKN3 in cell proliferation, ability to invade, and radiosensitivity in NPC cells. We reported that CDKN3 was upregulated and p27 was downregulated in NPC tissues and is associated with a… More >

Jie Guo^*†, Jinqi Ma^‡, Guosheng Zhao^‡, Guocai Li^‡, Yunfeng Fu^‡, Yanwei Luo^‡, Rong Gui^‡

Oncology Research, Vol.25, No.7, pp. 1189-1197, 2017, DOI:10.3727/096504017X14865126670075

Abstract Nasopharyngeal carcinoma (NPC) is a distinct head and neck cancer, which is occurring at a high frequency in Southern China. Emerging studies have shown that long noncoding RNAs (lncRNAs) play a critical role in carcinogenesis and progression. In this study, we established a comprehensive lncRNA profile in NPC and found that 35 lncRNAs were differentially expressed in NPC. We found that LINC0086 was decreased in NPC patient serum samples and tissues. The Kaplan–Meier survival curve showed that patients with high LINC0086 expression had a higher survival rate than those with low LINC0086 expression. LINC0086 expression… More >

Zhongwei Wang, Yali Wang, Hongtao Ren, Yingying Jin, Ya Guo

Oncology Research, Vol.25, No.4, pp. 571-577, 2017, DOI:10.3727/97818823455816X14760478220149

Abstract Zinc and ring finger 3 (ZNRF3), which belongs to the E3 ubiquitin ligase family, is involved in the progression and development of cancer. However, the expression and function of ZNRF3 in human nasopharyngeal carcinoma (NPC) remain unclear. Thus, the aim of this study was to investigate the role of ZNRF3 in human NPC. Our results showed that ZNRF3 was downregulated in NPC cell lines. Restoration of ZNRF3 significantly inhibited the proliferation of NPC cells and tumor xenograft growth in vivo. In addition, overexpression of ZNRF3 suppressed migration and invasion, as well as attenuated the epithelial–mesenchymal More >

Zhihai Wang^*, Kui Liao^†, Wenqi Zuo^*, Xueliang Liu^*, Zhili Qiu^*, Zhitao Gong^*, Chuan Liu^*, Quan Zeng^*, Yi Qian^*, Liang Jiang^*, Youquan Bu^‡, Suling Hong^*, Guohua Hu^*

Oncology Research, Vol.25, No.1, pp. 123-136, 2017, DOI:10.3727/096504016X14732772150226

Abstract NFBD1, a signal amplifier of the p53 pathway, is vital for protecting cells from p53-mediated apoptosis and the early phase of DNA damage response under normal culture conditions. Here we investigated its expression in patients with nasopharyngeal carcinoma (NPC), and we describe the biological functions of the NFBD1 gene. We found that NFBD1 mRNA and protein were more highly expressed in NPC tissues than in nontumorous tissues. To investigate the function of NFBD1, we created NFBD1-depleted NPC cell lines that exhibited decreased cellular proliferation and colony formation, an increase in their rate of apoptosis, and More >

Wang Fangzheng^*†1, Jiang Chuner^‡1, Ye Zhiming^*†, Liu Tongxin^*†, Yan Fengqin^*†, Wang Lei^*†, Li Bin^*†, Hu Fujun^*†, Chen Ming^*†, Qin Weifeng^*†, Fu Zhenfu^*†

Oncology Research, Vol.26, No.2, pp. 277-287, 2018, DOI:10.3727/096504017X15079846743590

Abstract In this retrospective review of a single institution’s experience, the efficacy and safety of the long-term use of nimotuzumab in combination with intensity-modulated radiotherapy (IMRT) and chemotherapy in the treatment of locally advanced nasopharyngeal carcinoma (NPC) were studied. Between August 2008 and March 2014, 39 newly diagnosed patients with stages III–IV NPC were treated with IMRT, chemotherapy, and nimotuzumab. Twenty patients were diagnosed with stage III (51.3%), 14 with stage IVA (35.9%), and 5 with stage IVB (12.8%) disease. All patients received at least one cycle of cisplatin-based induction chemotherapy followed by IMRT and more… More >

Ruifang Zeng, Guolin Tan, Wei Li, Yanhong Ma

Oncology Research, Vol.26, No.1, pp. 111-122, 2018, DOI:10.3727/096504017X14924753593574

Abstract This study aimed to investigate the clinical significance of cullin 3 expression in nasopharyngeal carcinoma (NPC), as well as to explore the regulatory mechanism of cullin 3 underlying the growth and metastasis of NPC cells. Our findings showed that the expression levels of cullin 3 were significantly increased in both NPC tissues and cell lines. A strong positive correlation was found between cullin 3 expression and the Ki-67-based proliferation index in NPC tissues. Moreover, cullin 3 overexpression was correlated with local relapse and distant metastasis in NPC patients. In vitro experiments showed that knockdown of More >

Jun-Ying Wang^*, Xin Jin^*, Xiao-Feng Li^†

Oncology Research, Vol.26, No.1, pp. 95-101, 2018, DOI:10.3727/096504017X14920318811695

Abstract TMPRSS3 belongs to the large type II transmembrane serine protease (TTSP) family, which plays an important role in the development and progression of tumors. However, the function of TMPRSS3 in nasopharyngeal carcinoma (NPC) remains unclear. The present study aimed to examine the impact of TMPRSS3 on the proliferation, migration, and invasion of NPC cells and their potential mechanisms. Our results demonstrated that the expression of TMPRSS3 was obviously upregulated in human NPC tissues and cell lines. Knockdown of TMPRSS3 expression significantly suppressed the proliferation and tumorigenicity of NPC cells in vitro and in vivo. Furthermore, More >

Linglan Gu, Yi Shi, Weimin Xu, Yangyang Ji

Oncology Research, Vol.27, No.8, pp. 923-933, 2019, DOI:10.3727/096504019X15518706875814

Abstract In previous investigations, we reported that peroxisome proliferator-activated receptor / (PPAR / ) activation by GW501516 inhibits proliferation and promotes apoptosis in the undifferentiated C666-1 nasopharyngeal carcinoma (NPC) cells by modulating caspase-dependent apoptotic pathway. In the present study, the mechanism by which GW501516 induces apoptosis was explored from the perspective of microRNA (miRNA) expression. Among the assayed miRNAs that were involved in regulating the expression of antiapoptotic protein Bcl-2, miR-206 was increased significantly and specifically by GW501516 in C666-1 cells at both the in vitro level and at the in vivo xenograft samples. The induction… More >

Zhenghua Fei^*1, Zhenxiang Deng^†1, Lingyang Zhou^‡, Kejie Li^*, Xiaofang Xia^*, Raoying Xie^*

Oncology Research, Vol.27, No.7, pp. 801-807, 2019, DOI:10.3727/096504018X15446984186056

Abstract Nasopharyngeal cancer (NPC) is a malignant epithelial carcinoma of the head and neck. Cancer therapy targeting programmed cell death protein-1 (PD-1) or programmed death ligand-1 (PD-L1) is revolutionary. However, the tumorigenic mechanism of PD-L1 is not yet clear in NPC. Here we demonstrated an oncogenic role of PD-L1 via activating PI3K/AKT in NPC cells. PD-L1 overexpression was frequently detected in NPC biopsies and cell lines by qRT-PCR. PD-L1 overexpression and knockdown demonstrated that PD-L1 promoted NPC cell invasion and metastasis in vitro and in vivo. Mechanistically, PD-L1 prominently activated the epithelial–mesenchymal transition (EMT) process in More >