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https://www.readbyqxmd.com/read/29345578/searching-for-new-targets-and-treatments-in-the-battle-against-squamous-cell-carcinoma-of-the-head-and-neck-with-specific-focus-on-tumours-of-the-tongue
#1
Nicola Sgaramella, Xiaolian Gu, Linda Boldrup, Philip J Coates, Robin Fahraeus, Luigi Califano, Gianpaolo Tartaro, Giuseppe Colella, Lena Norberg Spaak, Adrian Strom, Torben Wilms, Lorenzo Lo Muzio, Giovanni Dell'Aversana Orabona, Mario Santagata, Lotta Loljung, Riccardo Rossiello, Karin Danielsson, Klas Strindlund, Sandra Lillqvist, Karin Nylander
Squamous cell carcinoma of the head and neck, SCCHN, is a heterogeneous group of tumours not only concerning site of origin but also regarding aetiology. The 5-year survival for the whole group of SCCHN tumours has not significantly improved over the last 20-25 years. Apart from tumour spread to lymph nodes, N status, gains and losses of specific chromosomes are the only factors shown to be independent prognostic markers for these tumours. Worldwide an increasing number of people ? 40 years are seen being affected by tongue SCC, the most common tumour within the SCCHN group...
January 16, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29344081/hpv-infection-and-p16-expression-in-oral-and-oropharyngeal-cancer-in-kazakhstan
#2
Dauren Adilbay, Galim Adilbayev, Gulzhan Kidirbayeva, Viktoria Shipilova, Zhanat Sadyk, Gulsum Koyanbekova, Ekaterina Sokolenko, Jan Klozar
Background: Human papillomavirus (HPV) is an important etiologic factor in different cancers of anogenital region and also in a fraction of head and neck cancers (HNC) particularly oropharyngeal tumors. The HPV16 genotype associated with the majority of HPV-related head and neck carcinomas. Th incidence of oropharyngeal cancer is increasing in many countries, and the rate of HPV positive tumors is about 70% in Europe and North America. Little known about the prevalence of HPV in HNC in Central Asia...
2018: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/29343957/codelivery-of-doxorubicin-and-mdr1-sirna-by-mesoporous-silica-nanoparticles-polymerpolyethylenimine-to-improve-oral-squamous-carcinoma-treatment
#3
Dandan Wang, Xiaowei Xu, Kai Zhang, Bin Sun, Lu Wang, Lin Meng, Qilin Liu, Changyu Zheng, Bai Yang, Hongchen Sun
Oral cancer is a type of head and neck cancer that is the seventh most frequent cancer and the ninth most frequent cause of death globally. About 90% of oral cancer is of squamous cell carcinoma type. Surgery and radiation with and without chemotherapy are the major treatments for oral cancer. Better advanced treatment is still needed. Multidrug resistance plays an important role in failure of oral cancer chemotherapy. In this study, we tried to fabricate a novel nanoparticle that could carry both MDR1-siRNA to block MDR1 expression and doxorubicin (DOX), a chemotherapy drug, into cancer cells in order to directly kill the cells with little or no effect of multidrug resistance...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29343305/relationship-between-eustachian-tube-dysfunction-and-otitis-media-with-effusion-in-radiotherapy-patients
#4
K Akazawa, H Doi, S Ohta, T Terada, M Fujiwara, N Uwa, M Tanooka, M Sakagami
OBJECTIVE: This study evaluated the relationship between radiation and Eustachian tube dysfunction, and examined the radiation dose required to induce otitis media with effusion. METHODS: The function of 36 Eustachian tubes in 18 patients with head and neck cancer were examined sonotubometrically before, during, and 1, 2 and 3 months after, intensity-modulated radiotherapy. Patients with an increase of 5 dB or less in sound pressure level (dB) during swallowing were categorised as being in the dysfunction group...
January 18, 2018: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/29340031/analyzing-the-influence-of-kinase-inhibitors-on-dna-repair-by-differential-proteomics-of-chromatin-interacting-proteins-and-nuclear-phospho-proteins
#5
Lisa Gleißner, Marcel Kwiatkowski, Laura Myllynen, Pascal Steffen, Cordula Petersen, Kai Rothkamm, Hartmut Schlüter, Malte Kriegs
The combination of radiotherapy and pharmacological inhibition of cellular signal transduction pathways offers promising strategies for enhanced cancer cell inactivation. However, the molecular effects of kinase inhibitors especially on DNA damage detection and repair after X-irradiation have to be understood to facilitate the development of efficient and personalized treatment regimens. Therefore, we applied differential proteomics for analyzing inhibitor-induced changes in either chromatin-bound or phosphorylated nuclear proteins...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29340028/high-resolution-microbiome-profiling-uncovers-fusobacterium-nucleatum-lactobacillus-gasseri-johnsonii-and-lactobacillus-vaginalis-associated-to-oral-and-oropharyngeal-cancer-in-saliva-from-hpv-positive-and-hpv-negative-patients-treated-with-surgery-and-chemo
#6
Rafael Guerrero-Preston, James Robert White, Filipa Godoy-Vitorino, Arnold Rodríguez-Hilario, Kelvin Navarro, Herminio González, Christina Michailidi, Anne Jedlicka, Sierra Canapp, Jessica Bondy, Amanda Dziedzic, Barbara Mora-Lagos, Gustavo Rivera-Alvarez, Carmen Ili-Gangas, Priscilla Brebi-Mieville, William Westra, Wayne Koch, Hyunseok Kang, Luigi Marchionni, Young Kim, David Sidransky
Microbiome studies show altered microbiota in head and neck squamous cell carcinoma (HNSCC), both in terms of taxonomic composition and metabolic capacity. These studies utilized a traditional bioinformatics methodology, which allows for accurate taxonomic assignment down to the genus level, but cannot accurately resolve species level membership. We applied Resphera Insight, a high-resolution methodology for 16S rRNA taxonomic assignment that is able to provide species-level context in its assignments of 16S rRNA next generation sequencing (NGS) data...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339538/e6-protein-expressed-by-high-risk-hpv-activates-super-enhancers-of-the-egfr-and-c-met-oncogenes-by-destabilizing-the-histone-demethylase-kdm5c
#7
Xiaohua Chen, Jun Xian Loo, Xin Shi, Wenjun Xiong, Yong Guo, Haiqiang Ke, Mingkun Yang, Yanping Jiang, Siyu Xia, Min Zhao, Shan Zhong, ChunJiang He, Li Fu, Feng Li
The high-risk (HR) human papillomaviruses (HPV) are causative agents of anogenital tract dysplasia and cancers and a fraction of head and neck cancers. The HR HPV E6 oncoprotein possesses canonical oncogenic functions, such as p53 degradation and telomerase activation. It is also capable of stimulating expression of several oncogenes, but the molecular mechanism underlying these events are poorly understood. Here we provide evidence that HPV16 E6 physically interacts with histone H3K4 demethylase KDM5C, resulting in its degradation in an E3 ligase E6AP- and proteasome-dependent manner...
January 16, 2018: Cancer Research
https://www.readbyqxmd.com/read/29337642/perineural-invasion-in-parotid-gland-malignancies
#8
Phillip Huyett, Umamaheswar Duvvuri, Robert L Ferris, Jonas T Johnson, Barry M Schaitkin, Seungwon Kim
Objectives To investigate the clinical predictors and survival implications of perineural invasion (PNI) in parotid gland malignancies. Study Design Case series with chart review. Setting Tertiary care medical center. Subjects and Methods Patients with parotid gland malignancies treated surgically from 2000 to 2015 were retrospectively identified in the Head and Neck Cancer Registry at a single institution. Data points were extracted from the medical record and original pathology reports. Results In total, 186 patients with parotid gland malignancies were identified with a mean follow-up of 5...
January 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29336922/segmentation-free-direct-tumor-volume-and-metabolic-activity-estimation-from-pet-scans
#9
Saeid Asgari Taghanaki, Noirin Duggan, Hillgan Ma, Xinchi Hou, Anna Celler, Francois Benard, Ghassan Hamarneh
Tumor volume and metabolic activity are two robust imaging biomarkers for predicting early therapy response in F-fluorodeoxyglucose (FDG) positron emission tomography (PET), which is a modality to image the distribution of radiotracers and thereby observe functional processes in the body. To date, estimation of these two biomarkers requires a lesion segmentation step. While the segmentation methods requiring extensive user interaction have obvious limitations in terms of time and reproducibility, automatically estimating activity from segmentation, which involves integrating intensity values over the volume is also suboptimal, since PET is an inherently noisy modality...
December 27, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/29335520/hpv16-e6-and-e7-upregulate-the-histone-lysine-demethylase-kdm2b-through-the-c-myc-mir-146a-5p-axys
#10
Elektra Peta, Alessandro Sinigaglia, Giulia Masi, Barbara Di Camillo, Angela Grassi, Marta Trevisan, Lorenzo Messa, Arianna Loregian, Erminia Manfrin, Matteo Brunelli, Guido Martignoni, Giorgio Palù, Luisa Barzon
Persistent infection by high-risk human papillomaviruses (HPVs) is associated with the development of cervical cancer and a subset of anogenital and head and neck squamous cell carcinomas. Abnormal expression of cellular microRNAs (miRNAs) plays an important role in the development of cancer, including HPV-related tumors. In this study, we demonstrated that miR-146a-5p was down-regulated by E6 and, less efficiently, by E7 of high-risk HPV16 in keratinocytes and the presence of low levels of this miRNA in cervical carcinoma cell lines and in high-risk HPV-positive cervical specimens...
January 16, 2018: Oncogene
https://www.readbyqxmd.com/read/29335441/a-collective-route-to-head-and-neck-cancer-metastasis
#11
Arutha Kulasinghe, Henri Schmidt, Chris Perry, Bernard Whitfield, Liz Kenny, Colleen Nelson, Majid E Warkiani, Chamindie Punyadeera
Distant metastasis (DM) from head and neck cancers (HNC) portends a poor patient prognosis. Despite its important biological role, little is known about the cells which seed these DM. Circulating tumour cells (CTCs) represent a transient cancer cell population, which circulate in HNC patients' peripheral blood and seed at distant sites. Capture and analysis of CTCs offers insights into tumour metastasis and can facilitate treatment strategies. Whilst the data on singular CTCs have shown clinical significance, the role of CTC clusters in metastasis remains limited...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29334764/development-of-gene-therapeutics-for-head-and-neck-cancer-in-china-from-bench-to-bedside
#12
Wei Guo, Hao Song
Head and neck cancer represents the seventh most common cancer worldwide. Multidisciplinary sequential treatment was performed in patients with head and neck cancer. However, there is an urgent need for a new treatment approach that can effectively improve the outcomes of head and neck cancer patients with advanced stage. Gene therapy is a rapidly evolving field with head and neck cancer. It has been proved a promising way to improve the efficacy of antitumor treatment. China is at the forefront in clinical trials and practice of gene therapies in the world...
January 15, 2018: Human Gene Therapy
https://www.readbyqxmd.com/read/29333702/maml1-and-twist1-co-overexpression-promote-invasion-of-head-and-neck-squamous-cell-carcinoma
#13
Sima Ardalan Khales, Ehsan Ebrahimi, Eisa Jahanzad, Sahar Ardalan Khales, Mohammad Mahdi Forghanifard
AIMS: Head and neck squamous cell carcinoma (HNSCC) is the seventh most common cancer worldwide with considerable morbidity and mortality. Invasion and metastasis of HNSCC is a complex process involving multiple molecules and signaling pathways. Twist Family BHLH Transcription Factor 1 (TWIST1) and Mastermind-like 1 (MAML1) are essential in induction of epithelial-mesenchymal transition through direct regulation of implicated molecules in cellular adhesion, migration and invasion. Our aim in this study was to assess the clinical significance of MAML1 and TWIST1 expression in HNSCC, and elucidate the probable correlation between these genes to exhibit their possible associations with progression and metastasis of the disease...
January 15, 2018: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29332583/eating-green-shining-light-on-the-use-of-dietary-phytochemicals-as-a-modern-approach-in-the-prevention-and-treatment-of-head-and-neck-cancers
#14
Linda L Eastham, Candace M Howard, Premalatha Balachandran, David S Pasco, Pier Paolo Claudio
Enthusiasm for the use of dietary bioactive compounds as chemopreventive agents and adjuvants for current therapies has increased laboratory research conducted on several types of cancers including Head and Neck Squamous Cell Carcinoma (HNSCC). The green chemoprevention movement is a modern approach to highlight healthy lifestyle changes that aim to decrease the incidence of HNSCC. A healthy diet can be an effective way to prevent the development of oral cancers. Discovery of the naturally occurring plant based compounds called phytochemicals has facilitated the development of new treatment strategies for patients that are at risk for, or have developed HNSCC...
January 12, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29332581/cetuximab-and-the-head-and-neck-squamous-cell-cancer
#15
Riccardo Concu, Maria Natalia Dias Soeiro Cordeiro
The head and neck squamous cell cancer (HNSCC) is the most common type of head and neck cancer (more than 90%), and all over the world more than a half million people have been developing this cancer in the last years. This type of cancer is usually marked by a poor prognosis with a really significant morbidity and mortality. Cetuximab received early favor as an exciting and promising new therapy with relatively mild side effect, and due to this received authorization in the 2004 from the European Medicines Agency (EMA) and in the 2006 from the Food and Drug Association (FDA) for the treatment of patients with squamous cell cancer of the head and neck in combination with radiation therapy for locally advanced disease...
January 12, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29330759/-autoimmune-reactions-to-immune-checkpoint-inhibitors
#16
REVIEW
W Pönisch, R Alten, C Baerwald
Immune checkpoint inhibitors (ICI) have dramatically changed the face of cancer treatment and are gaining in importance. The ICIs have now been approved for the treatment of advanced cancers, including melanoma, non-small-cell and small cell lung cancers, renal cell carcinoma, Hodgkin's lymphoma, head and neck cancers and urothelial carcinoma and further indications are to be expected. The organs most affected by an autoimmune reaction are the intestines, the musculoskeletal system, skin, endocrine organs, the liver and the lungs...
October 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29328540/case-of-late-onset-relapsing-surgical-site-infection-related-to-a-venous-coupler-placed-during-free-flap-reconstruction-for-major-head-and-neck-cancer
#17
Yin Ren, Daniel G Deschler, Dipti Sajed, Marlene L Durand
BACKGROUND: Venous coupling devices are widely used during reconstructive surgery involving microvascular anastomosis but have not served as foreign bodies in head and neck surgical site infections. METHODS: We conducted a case report. RESULTS: A patient underwent resection and free flap reconstruction for recurrent tongue squamous cell carcinoma. She developed a neck abscess due to Streptococcus intermedius 7 weeks postoperatively, days after starting chemoradiotherapy...
January 12, 2018: Head & Neck
https://www.readbyqxmd.com/read/29327682/analysis-of-implementiation-of-4th-head-and-neck-cancer-awareness-week-in-department-of-otolaryngology-in-mi%C3%A4-dzyleski-hospital-in-warsaw
#18
Karolina Dżaman, Karolina Piskadło-Zborowska, Mirosława Pietniczka-Załęska
INTRODUCTION: The aim of the study was to analyze the profile of patients applying for free preventive examinations within The Forth European Head an Neck Cancer (HNC) Awareness Week in the Department of Otorhynolaryngology in Międzyleski Hospital in Warsaw (ORL MSS). MATERIAL AND METHODS: A media campaign was designed to inform HNC risk patients about the opportunity to receive free preventive examinations in ORL MSS. 225 patients were enrolled to the study. Patient age ranged from 26 to 92 (average 63 years)...
August 31, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/29327043/association-of-oral-microbiome-with-risk-for-incident-head-and-neck-squamous-cell-cancer
#19
Richard B Hayes, Jiyoung Ahn, Xiaozhou Fan, Brandilyn A Peters, Yingfei Ma, Liying Yang, Ilir Agalliu, Robert D Burk, Ian Ganly, Mark P Purdue, Neal D Freedman, Susan M Gapstur, Zhiheng Pei
Importance: Case-control studies show a possible relationship between oral bacteria and head and neck squamous cell cancer (HNSCC). Prospective studies are needed to examine the temporal relationship between oral microbiome and subsequent risk of HNSCC. Objective: To prospectively examine associations between the oral microbiome and incident HNSCC. Design, Setting, and Participants: This nested case-control study was carried out in 2 prospective cohort studies: the American Cancer Society Cancer Prevention Study II Nutrition Cohort (CPS-II) and the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial (PLCO)...
January 11, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29324861/cost-of-treatment-for-head-and-neck-cancer-in-india
#20
Akashdeep Singh Chauhan, Shankar Prinja, Sushmita Ghoshal, Roshan Verma, Arun S Oinam
There are no published data on the cost of cancer treatment for guiding reimbursement decisions in India. The present study was designed to estimate the cost of treating head and neck cancer (HNC) with the aim of determining package rates. The present study was undertaken in the Departments of Radiotherapy and Otolaryngology of a large tertiary care hospital in North India. Economic health system costs incurred were assessed using a bottom-up methodology. Data on all resources-capital or recurrent, incurred on the delivery of HNC treatment were collected from April 2014 to March 2015...
2018: PloS One
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