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Nasopharyngeal carcinoma

Wen-Shu Ma, Jing-Guang Ma, Li-Na Xing
This study aims to explore the efficacy and safety of recombinant human adenovirus p53 (rAd-p53) combined with chemoradiotherapy (CRT) in the treatment of recurrent nasopharyngeal carcinoma (NPC). A total of 162 recurrent NPC patients were selected and divided randomly into the rAd-p53+CRT, CRT, and rAd-p53 groups. An electrochemical luminescence immune analyzer was used to detect serum levels of tumor markers (carcinoembryonic antigen, cancer antigen 199, and cancer antigen 153). Efficacy evaluation was in accordance with Response Evaluation Criteria in Solid Tumor...
October 21, 2016: Anti-cancer Drugs
Sergey V Malov, Alexey Antonik, Minzhong Tang, Alexandre Berred, Yi Zeng, Stephen J O'Brien
A new approach for statistical association signal identification is developed in this paper. We consider a strategy for nonprecise signal identification by extending the well-known signal detection and signal identification methods applicable to the multiple testing problem. Collection of statistical instruments under the presented approach is much broader than under the traditional signal identification methods, allowing more efficient signal discovery. Further assessments of maximal value and average statistics in signal discovery are improved...
October 24, 2016: Biometrical Journal. Biometrische Zeitschrift
Chun Chen, Zenghong Lu, Jie Yang, Weichao Hao, Yujuan Qin, Huiyan Wang, Congying Xie, Raoying Xie
MicroRNAs (miRNAs) may act as either tumor suppressors or oncogenes in various types of cancers. Previous studies have indicated that miR-17-5p is involved in the initiation and development of human tumors. However, its mechanism and function in nasopharyngeal carcinoma (NPC) remain largely unclear. In this study, we evaluated the expression profiles of miR-17-5p and p21 in NPC cell lines and tissues by quantitative real-time PCR (qRT-PCR). For the analysis, we have established a stable overexpression or depletion of miR-17-5p NPC cell lines for analyzing the effects of cell proliferation by MTT, colony formation, and cell cycle assay...
October 24, 2016: Cancer Medicine
Y Tang, H Y Lee
No abstract text is available yet for this article.
February 2016: Pathology
Ziwei Tu, Qu Chen, Jie Ting Zhang, Xiaohua Jiang, Yunfei Xia, Hsiao Chang Chan
While there is an increasing interest in the correlation of cystic fibrosis transmembrane conductance regulator (CFTR) and cancer incidence, the role of CFTR in nasopharyngeal carcinoma (NPC) development remains unknown. In this study, we aimed to explore the prognostic value of CFTR in NPC patients. The expression of CFTR was determined in NPC cell lines and tissues. Statistical analysis was utilized to evaluate the correlation between CFTR expression levels and clinicopathological characteristics and prognosis in 225 cases of NPC patients...
October 19, 2016: Oncotarget
Jingjing Yu, Yuling Huang, Lijuan Liu, Jing Wang, Jiye Yin, Lihua Huang, Shaojun Chen, Jingao Li, Hong Yuan, Guoping Yang, Wenyu Liu, Hai Wang, Qi Pei, Chengxian Guo
Radiotherapy (RT) is the normative therapeutic treatment for primary nasopharyngeal carcinoma (NPC). Single nucleotide polymorphisms (SNPs) of genes in Wnt/β-catenin pathway are correlated to the development, prognosis, and treatment benefit of various cancers. However, it has not been established whether SNPs of Wnt/β-catenin pathway are associated with nasopharyngeal tumorigenesis and the efficacy of RT in NPC patients. Therefore, in this study, we aimed to investigate the nine potentially functional SNPs of four genes in the Wnt/β-catenin pathway and genotyped these in 188 NPC patients treated with RT...
October 19, 2016: Oncotarget
Xue Jiang, Lichun Feng, Baoqiang Dai, Liping Li, Weiwei Lu
INTRODUCTION: Nasopharyngeal carcinoma is the most common cancer originating from the nasopharynx. OBJECTIVE: To study the mechanisms of nasopharyngeal carcinoma, we analyzed GSE12452 microarray data. METHODS: GSE12452 was downloaded from the Gene Expression Omnibus database and included 31 nasopharyngeal carcinoma samples and 10 normal nasopharyngeal tissue samples. The differentially expressed genes were screened by ANOVA in the PGS package...
September 26, 2016: Brazilian Journal of Otorhinolaryngology
R C Yan, J Wang, Z Z Huang, Z Y Wang, X F Wu, J C Huang, L H Chang, D Q Li, G H Zhang
Objective: To investigate the killing effects of radiation and mutant Rad50 transfection on human nasopharyngeal carcinoma cell line CNE1. Methods: The experimental groups included: control group, Ad-Rad50-GFP group, Ad-EGFP group, irradiation group, Ad-Rad50-GFP combined with irradiation group, and Ad-EGFP combined with irradiation group. CNE1 cells were transfected with recombinant adenoviral vector Ad-Rad50-GFP carrying mutant Rad50 gene. The expressions of Mre11, Rad50, Nbs1, and relevant constituents composing MRN complex were detected by Western Blot...
October 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Jenny Ling-Yu Chen, Yu-Sen Huang, Sung-Hsin Kuo, Ruey-Long Hong, Jenq-Yuh Ko, Pei-Jen Lou, Chun-Wei Wang
PURPOSE: To examine the survival outcomes and late toxicity profiles of three-dimensional conformal radiation therapy (3DCRT) vs. intensity-modulated radiation therapy (IMRT) for patients with nasopharyngeal carcinoma (NPC). METHODS: Three hundred and seventy-four patients with newly diagnosed, non-metastatic, NPC who were curatively treated with 3DCRT between 2004 and 2006 and 481 patients treated with IMRT between 2007 and 2009 were analyzed. Patients were categorized as having advanced-stage disease (stage III, IVA, and IVB disease; n = 709) or early-stage disease (stage I and II; n = 146)...
October 18, 2016: Oncotarget
S Tonoli, D Alterio, O Caspiani, A Bacigalupo, F Bunkheila, M Cianciulli, A Merlotti, A Podhradska, M Rampino, D Cante, L Bruschieri, R Gatta, S M Magrini
PURPOSE: To evaluate the outcomes with respect to long-term survival and toxicity in patients with nasopharyngeal carcinoma (NPC) treated in a European country with low incidence. MATERIALS AND METHODS: A prospective observational study carried out by the AIRO Head and Neck group in 12 Italian institutions included 136 consecutive patients treated with radiotherapy (RT) ± chemotherapy (CHT) for NPC (without distant metastasis) between January 1, 2008 and December 31, 2010...
October 19, 2016: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
Afshin Fathi, Firuz Amani, Mohammad Davoodi, Sara Bahadoram, Mohammad Bahadoram
INTRODUCTION: Nasopharyngeal carcinoma among the children has been rare accounting for only 1% of all pediatric malignancies. Both genetic and environmental factors have contributed to the development of nasopharyngeal carcinoma. Among the children there was a higher rate of undifferentiated histology. The mean age of nasopharyngeal carcinoma diagnosis has been 11 years old age; and the most common site was nasopharynx. Palpable lymphadenopathy, dysphasia and neural defect were common associated signs...
August 2016: Iranian Journal of Cancer Prevention
Anju Gupta, Nishkarsh Gupta
No abstract text is available yet for this article.
October 2016: Indian Journal of Anaesthesia
Xing-Si Peng, Guo-Feng Xie, Wen-Ze Qiu, Yun-Hong Tian, Wei-Jun Zhang, Ka-Jia Cao
BACKGROUND: Diabetes has been identified as an adverse prognostic variable which associated with an increased mortality in various cancers, including colorectal, lung, and breast cancers. However, previous studies provided inconsistent results on the association between diabetes and nasopharyngeal carcinoma (NPC). The main aim of this study was to investigate the associations between diabetes mellitus and the survival of NPC patients. METHODS: This study was designed as a 1:2 matched case-control study...
2016: PloS One
Bilal Mazhar Qureshi, Ahmed Nadeem Abbasi, Nasir Ali, Asim Hafiz
No abstract text is available yet for this article.
October 19, 2016: British Journal of Radiology
Mei Li, Zhi-Xiong Lin
No abstract text is available yet for this article.
October 19, 2016: British Journal of Radiology
Lin Liu, PeiYu Huang, ZhiHui Wang, Nan Chen, Con Tang, Zhong Lin, PeiJian Peng
BACKGROUND: Previous studies have reported that eEF-2 kinase is associated with tumour cell sensitivity to certain therapies. In the present study, we investigated the relationship between eEF-2 kinase and lapatinib, a dual inhibitor of EGFR and HER-2, in nasopharyngeal carcinoma (NPC) cells. METHODS: The effect of treatment on the growth and proliferation of NPC cells was measured by three methods: cell counting, crystal violet staining and colony counting. Apoptosis was evaluated by flow cytometry to determine Annexin V-APC/7-AAD and cleaved PARP levels, and the results were further confirmed by Western blot analysis...
October 19, 2016: BMC Cancer
Ya-Jing Lin, Shu-Fen Peng, Meng-Liang Lin, Chao-Lin Kuo, Kung-Wen Lu, Ching-Lung Liao, Yi-Shih Ma, Fu-Shin Chueh, Kuo-Ching Liu, Fu-Shun Yu, Jing-Gung Chung
Nasopharyngeal carcinoma (NPC) is an epithelial malignancy of the head and neck and the incidence is higher in Southeast Asia. Tetrandrine (TET) is a bisbenzylisoquinoline alkaloid, a natural product, and exhibits biological activities including action against many human cancer cell lines. However, the molecular mechanism of TET-induced cell apoptosis in human NPC cells is still unclear. In the present study, we investigated TET-induced apoptotic cell death and associated possible signal pathways on human nasopharyngeal carcinoma NPC-TW 076 cells in vitro...
October 12, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Ruo-Zheng Wang, Dian-Gang Zhang, Ran Wu, Yun-Hui Hu, Yan-Chun Peng, Cheng Chang, Tao Dong, Xi-Yan Wang
Epidemiological studies have shown that human leukocyte antigen (HLA) allelic polymorphisms are closely correlated to susceptibility to nasopharyngeal carcinoma (NPC), and in a previous study, we showed that HLA-B*46 and HLA-A*02-B*46 haplotypes were strongly associated with NPC susceptibility. In this retrospective study, we investigated the phenotype of the HLA-A and HLA-B alleles and haplotypes and correlated these data to the clinical and pathological parameters of NPC to understand the role of HLA alleles and haplotypes in NPC prognosis...
October 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
Jing Zhang, Chi Shu, Yanlin Song, Qingfang Li, Jingwen Huang, Xuelei Ma
BACKGROUND: The plasma Epstein-Barr virus (EBV) DNA level in patients with nasopharyngeal carcinoma (NPC) performs as an appealing prognostic factor, but conclusions of its prognostic values from previous studies are inconsistent. In this study, we performed a comprehensive meta-analysis to evaluate the prognostic value of EBV DNA level in patients with NPC. METHODS: Published studies were searched in PubMed. The baseline characteristics of patients, overall survival (OS), and other survival outcomes were extracted...
October 2016: Medicine (Baltimore)
Prosenjit Paul, Himangshu Deka, Arup K Malakar, Binata Halder, Supriyo Chakraborty
Among all cancers, the incidence of nasopharyngeal carcinoma (NPC) is quite high in the endemic regions. NPC is a head and neck cancer with poor survival rate, and is rare throughout most of the world but common in certain geographic areas, like southern Asia and some regions of North East India (Nagaland, Manipur, and Mizoram). A clear understanding of its etiology is still lacking, but NPC is widely suspected to be the result of both genetic susceptibility and exposure to environmental factors or Epstein-Barr virus infection...
September 29, 2016: European Journal of Cancer Prevention
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