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Nasopharynx cancer

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https://www.readbyqxmd.com/read/29296219/coronarin-d-induces-reactive-oxygen-species-mediated-cell-death-in-human-nasopharyngeal-cancer-cells-through-inhibition-of-p38-mapk-and-activation-of-jnk
#1
Jui-Chieh Chen, Ming-Chang Hsieh, Shu-Hui Lin, Chia-Chieh Lin, Yi-Ting Hsi, Yu-Sheng Lo, Yi-Ching Chuang, Ming-Ju Hsieh, Mu-Kuan Chen
Background and Purpose: Nasopharyngeal carcinoma (NPC) belongs to squamous cell carcinoma that occurs in the epithelial lining of the nasopharynx. Because of the anatomical position close to the cervical lymph node, some patients have a distant metastasis at the time of diagnosis that leads to treatment failure. Although early stages have a high curability and excellent prognosis, advanced NPC urgently requires new drugs developed to reinforce the effectiveness of therapy without noticeable side effects...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29230653/environmental-exposure-to-cadmium-a-risk-for-health-of-the-general-population-in-industrialized-countries-and-preventive-strategies
#2
Magdalena Mezynska, Malgorzata M Brzóska
Cadmium (Cd) is a heavy metal belonging to the group of the main chemical pollutants of the natural and occupational environment in economically developed countries. The forecasts indicate that contamination of the environment with this toxic metal, and thus the exposure of the general population, will increase. Food (particularly plant products) is the main source of the general population exposure to this element. Moreover, an important, and often the main, source of intoxication with Cd is habitual tobacco smoking...
December 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29190931/cancer-mortality-trends-in-an-industrial-district-of-shanghai-china-from-1974-to-2014-and-projections-to-2029
#3
Mi Li, Shuo Wang, Xue Han, Wenbin Liu, Jiahui Song, Hongwei Zhang, Jia Zhao, Fan Yang, Xiaojie Tan, Xi Chen, Yan Liu, Hui Li, Yibo Ding, Xiaoyu Du, Jianhua Yin, Rong Zhang, Guangwen Cao
We aimed to characterize the trends and projections of cancer mortalities in Yangpu, an industry restructuring district of Shanghai, China. With high-quality data from the death registration system, the authors analyzed the trends in cancer mortalities during 1974-2014 and their relationship with pollution control and socioeconomic improvements. Cancer burden was projected into 2029. During 1974-2014, cancer death accounted for 28.80% of all-cause death. The 5 leading causes of cancer death were cancers of the lung & bronchus, stomach, liver, colon & rectum, and esophagus...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29173756/proton-therapy-for-head-and-neck-cancers
#4
REVIEW
Pierre Blanchard, Gary Brandon Gunn, Alexander Lin, Robert L Foote, Nancy Y Lee, Steven J Frank
Because of its sharp lateral penumbra and steep distal fall-off, proton therapy offers dosimetric advantages over photon therapy. In head and neck cancer, proton therapy has been used for decades in the treatment of skull-base tumors. In recent years the use of proton therapy has been extended to numerous other disease sites, including nasopharynx, oropharynx, nasal cavity and paranasal sinuses, periorbital tumors, skin, and salivary gland, or to reirradiation. The aim of this review is to present the physical properties and dosimetric benefit of proton therapy over advanced photon therapy; to summarize the clinical benefit described for each disease site; and to discuss issues of patient selection and cost-effectiveness...
January 2018: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/29151977/pfkfb3-promotes-proliferation-migration-and-angiogenesis-in-nasopharyngeal-carcinoma
#5
Miao Gu, Li Li, Zhenxin Zhang, Jing Chen, Wei Zhang, Jie Zhang, Liang Han, Mingming Tang, Bo You, Qicheng Zhang, Yiwen You
Nasopharyngeal carcinoma (NPC) is a squamous epithelial cancer, arising from the nasopharynx epithelium. It has high morbidity and mortality. PFKFB3 as a glycolytic activator has been implicated in the progression of multiple types of tumor. PFKFB3 can be contributed to the progression and metastasis of cancer. However, whether PFKFB3 is associated with the progression of NPC remains unknown. We postulated that PFKFB3 promotes proliferation, migration and angiogenesis in nasopharyngeal carcinoma. In this study, we found that PFKFB3 was significantly up-regulated in NPC tissues and cell lines compared with normal control...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29146179/soft-palate-reconstruction-after-radionecrosis-combined-anterolateral-thigh-adipofascial-and-nasoseptal-flaps
#6
Joseph Zenga, Jeffrey D Sharon, Jennifer Gross, Jay Gantz, Patrik Pipkorn
Although radiation-based treatment for nasopharyngeal cancer may achieve excellent long term oncologic results, late effects of therapy may lead to soft tissue radionecrosis and velopharyngeal insufficiency (VPI). Repair of these oro- and nasopharyngeal defects presents a complex reconstructive challenge. We present a case of a long-term survivor treated with chemoradiotherapy for nasopharyngeal cancer who developed progressive dysphagia, velopharyngeal insufficiency, and radionecrosis of the nasopharynx and soft palate, leading to tracheostomy and gastrostomy tube dependence...
November 13, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29126495/surgical-management-of-oral-cancer
#7
REVIEW
Rabie M Shanti, Bert W O'Malley
Today, most head and neck cancer subsites, such as the larynx, hypopharynx, nasopharynx, and oropharynx, are treated with radiation therapy with or without chemotherapy as a primary treatment modality. Surgery is reserved for the salvage of recurrent tumors that occur within the head and neck in the absence of distant (ie, lung, liver) metastasis. However, unlike all other head and neck subsites, oral cancer should ideally be managed with primary surgery with the possibility of adjuvant radiation therapy with or without chemotherapy depending on the presence of certain high-risk pathologic features...
January 2018: Dental Clinics of North America
https://www.readbyqxmd.com/read/29123267/bpifb1-lplunc1-inhibits-migration-and-invasion-of-nasopharyngeal-carcinoma-by-interacting-with-vtn-and-vim
#8
Fang Wei, Yingfen Wu, Le Tang, Yi He, Lei Shi, Fang Xiong, Zhaojian Gong, Can Guo, Xiayu Li, Qianjin Liao, Wenling Zhang, Ming Zhou, Bo Xiang, Xiaoling Li, Yong Li, Guiyuan Li, Wei Xiong, Zhaoyang Zeng
BACKGROUND: Bactericidal/Permeability-increasing-fold-containing family B member 1 (BPIFB1, previously termed LPLUNC1) is highly expressed in the nasopharynx, significantly downregulated in nasopharyngeal carcinoma (NPC), and associated with prognosis in NPC patients. Because metastasis represents the primary cause of NPC-related death, we explored the role of BPIFB1 in NPC migration and invasion. METHODS: The role of BPIFB1 in NPC metastasis was investigated in vitro and in vivo...
November 9, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29120826/cancer-in-guam-and-hawaii-a-comparison-of-two-u-s-island-populations
#9
Brenda Y Hernandez, Renata A Bordallo, Michael D Green, Robert L Haddock
BACKGROUND: Cancer disparities within and across populations provide insight into the influence of lifestyle, environment, and genetic factors on cancer risk. METHODS: Guam cancer incidence and mortality were compared to that of Hawaii using data from their respective population-based, central cancer registries. RESULTS: In 2009-2013, overall cancer incidence was substantially lower in Guam than in Hawaii for both sexes while overall cancer mortality was higher for Guam males...
October 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29111349/the-developmental-transcription-factor-irf6-attenuates-abcg2-gene-expression-and-distinctively-reverses-stemness-phenotype-in-nasoparyngeal-carcinoma
#10
Liang Xu, Tie-Jun Huang, Hao Hu, Meng-Yao Wang, Si-Mei Shi, Qin Yang, Fen Lin, Yuan-Yuan Qiang, Yan Mei, Yan-Hong Lang, Chang-Zhi Li, Li-Xia Peng, Li-Sheng Zheng, Jia-Ling Huang, Xin-Jian Li, Shi-Jun Zhang, Chao-Nan Qian, Bi-Jun Huang
Nasopharyngeal carcinoma (NPC), which originates from the nasopharynx, is highly prevalent in Southern China and Southeast Asia, and more than 90% of all NPCs are non-keratinizing undifferentiated cells or poorly differentiated squamous cells. Cancer stem cells (CSCs) are capable of self-renewal and have differentiation potential. These properties form the basis of cancer initiation, development, and radiochemoresistance. However, the molecular mechanisms underlying NPC CSC maintenance remain poorly understood...
October 27, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29098554/seom-clinical-guideline-in-nasopharynx-cancer-2017
#11
M Pastor, A Lopez Pousa, E Del Barco, P Perez Segura, B Gonzalez Astorga, B Castelo, T Bonfill, J Martinez Trufero, J Jose Grau, R Mesia
Nasopharyngeal carcinoma (NPC) is distinct from other cancers of the head and neck in biology, epidemiology, histology, natural history, and response to treatment. Radiation therapy is an essential component of curative-intent of non-disseminated disease and the association of chemotherapy improves the rates of survival. In the case of metastatic disease stages, treatment requires platinum/gemcitabine-based chemotherapy and patients may achieve a long survival time.
November 2, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28988705/implementing-head-and-neck-contouring-peer-review-without-pathway-delay-the-on-demand-approach
#12
C Fong, P Sanghera, J Good, P Nightingale, A Hartley
AIMS: Peer review of contour volume is a priority in the radiotherapy treatment quality assurance process for head and neck cancer. It is essential that incorporation of peer review activity does not introduce additional delays. An on-demand peer review process was piloted to assess the feasibility and efficiency of this approach, as compared with a historic scheduled weekly approach. MATERIALS AND METHODS: Between November 2016 and April 2017 four head and neck clinicians in one centre took part in an on-demand peer review process...
October 5, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28983375/incidence-and-mortality-of-nasopharynx-cancer-and-its-relationship-with-human-development-index-in-the-world-in-2012
#13
Neda Mahdavifar, Farhad Towhidi, Behnam Reza Makhsosi, Reza Pakzad, Ali Moini, Abbas Ahmadi, Sarah Lotfi, Hamid Salehiniya
BACKGROUND: One of the most common cancers in head and neck is nasopharynx. Knowledge about the incidence and mortality of this disease and its distribution in terms of geographical areas is necessary for further study, better planning and prevention. Therefore, this study aimed to determine the incidence and mortality of nasopharynx cancer and its relationship with human development index (HDI) in the world in 2012. METHODS: This study was an ecological study conducted based on GLOBOCAN project of World Health Organization (WHO) for the countries in world...
December 2016: World Journal of Oncology
https://www.readbyqxmd.com/read/28953262/incidence-of-cancer-in-shenzhen-guangdong-province-during-2001-2015-a-retrospective-population-based-study
#14
Zhongyu Xu, Haibin Zhou, Lin Lei, Hongyu Li, Weiye Yu, Zhen Fu, Nanjin Wu, Ji Peng, Ping Yin
Cancer is a serious public health issue and the leading cause of death around the world. This article aimed to estimate the cancer incidence and the trend in standardized cancer incidence in Shenzhen, Guangdong province, South China during 2001-2015 by analyzing the cancer data of the population-based cancer registry in Shenzhen. Data were collected from the cancer registry in Shenzhen, which was conducted during 2001-2015. In this registry, the crude incidence rates, age-specific incidence rates, age-standardized incidence rates and cumulative incidence rates were calculated in every five years...
September 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28949390/stat3-mediates-resistance-to-anoikis-and-promotes-invasiveness-of-nasopharyngeal-cancer-cells
#15
Chien-Hung Lin, Ming-Chang Chiang, Yann-Jang Chen
Nasopharyngeal carcinoma (NPC), a tumor arising from the epithelial cells of the nasopharynx, is endemic in Southeast Asia and Taiwan. The prognosis of NPC patients with local recurrence and metastasis is poor. Resistance to anoikis is a primary characteristic of tumor cells that metastasize. However, the mechanism through which NPC cells resist anoikis and are able to metastasize has not been fully elucidated. In the present study, the acquisition of anoikis resistance was analyzed in the TW01 and TW06 human NPC cell lines growing under anchorage-independent conditions...
September 25, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28926591/no-evidence-for-the-presence-of-epstein-barr-virus-in-squamous-cell-carcinoma-of-the-mobile-tongue
#16
Torben Wilms, Gulfaraz Khan, Philip J Coates, Nicola Sgaramella, Robin Fåhraeus, Asma Hassani, Pretty S Philip, Lena Norberg Spaak, Luigi Califano, Giuseppe Colella, Katarina Olofsson, Christos Loizou, Renato Franco, Karin Nylander
Squamous cell carcinoma of the head and neck (SCCHN) comprises a large group of cancers in the oral cavity and nasopharyngeal area that typically arise in older males in association with alcohol/tobacco usage. Within the oral cavity, the mobile tongue is the most common site for tumour development. The incidence of tongue squamous cell carcinoma (TSCC) is increasing in younger people, which has been suggested to associate with a viral aetiology. Two common human oncogenic viruses, human papilloma virus (HPV) and Epstein-Barr virus (EBV) are known causes of certain types of SCCHN, namely the oropharynx and nasopharynx, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28912892/real-time-in-vivo-diagnosis-of-nasopharyngeal-carcinoma-using-rapid-fiber-optic-raman-spectroscopy
#17
Kan Lin, Wei Zheng, Chwee Ming Lim, Zhiwei Huang
We report the utility of a simultaneous fingerprint (FP) (i.e., 800-1800 cm(-1)) and high-wavenumber (HW) (i.e., 2800-3600 cm(-1)) fiber-optic Raman spectroscopy developed for real-time in vivo diagnosis of nasopharyngeal carcinoma (NPC) at endoscopy. A total of 3731 high-quality in vivo FP/HW Raman spectra (normal=1765; cancer=1966) were acquired in real-time from 204 tissue sites (normal=95; cancer=109) of 95 subjects (normal=57; cancer=38) undergoing endoscopic examination. FP/HW Raman spectra differ significantly between normal and cancerous nasopharyngeal tissues that could be attributed to changes of proteins, lipids, nucleic acids, and the bound water content in NPC...
2017: Theranostics
https://www.readbyqxmd.com/read/28851324/cancer-incidence-in-eastern-morocco-cancer-patterns-and-incidence-trends-2005-2012
#18
Manal Elidrissi Errahhali, Mounia Elidrissi Errahhali, Meryem Ouarzane, Redouane Boulouiz, Mohammed Bellaoui
BACKGROUND: Cancer is one of the major health problems worldwide. In this article, we present for the first time the cancer incidence trends, the distribution and the socioeconomic profile of incident cancer cases in Eastern Morocco over a period of eight years. METHODS: Retrospective descriptive study of patients diagnosed with cancer at the Hassan II Regional Oncology Center (ROC) since it was created in October 2005 until December 2012. During the study period, the ROC was the only hospital specialized in cancer care in Eastern Morocco...
August 29, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28827262/polymorphisms-of-the-stem-cell-marker-gene-cd133-are-associated-the-clinical-outcome-in-a-cohort-of-chinese-non-small-cell-lung-cancer-patients
#19
Qing-Feng Liu, Zhi-Fei Zhang, Guang-Jie Hou, Guang-Yu Yang, Yi He
OBJECTIVES: To evaluate the prognostic relevance of four functional single nucleotide polymorphisms (SNPs) in CD133 (rs2240688A>C, rs10022537T>A, rs7686732C>G, and rs3130C>T) on overall survival (OS) of non-small cell lung cancer (NSCLC) patients. DESIGN: Retrospective cohort study. SETTING: Department of General Surgery, in a general hospital, Henan Province, China. PARTICIPANTS: NSCLC patients aged ≥18 years, who were not receiving preoperative neoadjuvant therapies and had a blood sample available for genotyping, were eligible for inclusion...
August 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28745907/role-of-fdg-pet-ct-scan-in-head-and-neck-cancer-patients
#20
Mehrdad Bakhshayesh Karam, Abtin Doroudinia, Ali Safavi Nainee, Fatemeh Kaghazchi, Abbas Yousefi Koma, Payam Mehrian, Farahnaz Agha Hossein
INTRODUCTION: PET/CT scan has an emerging role in head and neck oncology with a few well-established indications, including: detection of unknown primary tumor site, tumor staging, radiotherapy planning, treatment response assessment and detection of recurrent disease. The purpose of this study is reporting PET/CT findings in head and neck cancer patients to emphasize its role in head and neck oncology. MATERIALS AND METHODS: In a retrospective study, we reviewed our PET/CT database and found 94 patients with primary head and neck cancer...
July 2017: Archives of Iranian Medicine
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