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https://www.readbyqxmd.com/read/28108990/geographic-heterogeneity-in-the-prevalence-of-human-papillomavirus-in-head-and-neck-cancer
#1
Devasena Anantharaman, Behnoush Abedi-Ardekani, Daniel C Beachler, Tarik Gheit, Andrew F Olshan, Kathy Wisniewski, Victor Wunsch-Filho, Tatiana N Toporcov, Eloiza H Tajara, José Eduardo Levi, Raquel A Moyses, Stefania Boccia, Gabriella Cadoni, Guido Rindi, Wolfgang Ahrens, Franco Merletti, David I Conway, Sylvia Wright, Christine Carreira, Helene Renard, Priscilia Chopard, Sandrine McKay-Chopin, Ghislaine Scelo, Massimo Tommasino, Paul Brennan, Gypsyamber D'Souza
Human papillomavirus (HPV) causes oropharyngeal squamous cell carcinoma (OPSCC), although strongly divergent results have been reported regarding the prevalence of HPV16 in different countries, whether this represents important differences in etiology remains unclear. Applying rigorous protocols for sample processing, we centrally evaluated 1420 head and neck tumors (533 oropharynx, 395 oral cavity and 482 larynx) from studies conducted in the US, Europe and Brazil for mucosal HPV DNA and p16(INK4a) expression to evaluate regional heterogeneity in the proportion of HPV16-associated OPSCC and other head and neck cancer, and to assess covariates associated with the risk of HPV16-positive OPSCC...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28106938/vascular-endothelial-growth-factor-targeted-paclitaxel-loaded-liposome-microbubbles-and-inhibition-of-human-epidermoid-2-cell-proliferation
#2
Lian Zhou, Wenlong Luo
BACKGROUND: Vascular endothelial growth factor (VEGF) plays an important role in the formation of capillary blood vessels. The purpose of this study was to evaluate the inhibitory effect of VEGF-targeted paclitaxel (PTX)-loaded liposome microbubbles (VTPLLMs) on the proliferation of human epidermoid (Hep-2) laryngeal squamous cell carcinoma (SCC). METHODS: Six groups were randomly divided. The inhibitory effects on Hep-2 proliferation were assessed by a methylthiazol tetrazolium (MTT) method...
January 20, 2017: Head & Neck
https://www.readbyqxmd.com/read/28105237/xanthohumol-inhibits-proliferation-of-laryngeal-squamous-cell-carcinoma
#3
Yan Li, Kai Wang, Shankai Yin, Hongliang Zheng, Daliu Min
Xanthohumol is a flavonoid compound that exhibits antioxidant and anticancer effects, and is used to treat atherosclerosis. The aim of the present study was to investigate the effect of xanthohumol on the cell proliferation of laryngeal squamous cell carcinoma and to understand the mechanism of its action. The effects of xanthohumol on the cell viability and apoptosis rate of laryngeal squamous cell carcinoma SCC4 cells were assessed by Annexin V-fluorescein isothiocyanate/propidium iodide staining. In addition, the expression levels of pro-apoptotic proteins, caspase-3, caspase-8, caspase-9, poly ADP ribose polymerase (PARP) p53 and apoptosis-inducing factor (AIF), as well as anti-apoptotic markers, B-cell lymphoma 2 (Bcl-2) and myeloid cell leukemia 1 (Mcl-1), were analyzed by western blotting...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105160/folate-deficiency-and-aberrant-expression-of-cell-adhesion-molecule-1-are-potential-indicators-of-prognosis-in-laryngeal-squamous-cell-carcinoma
#4
Hao Chang, Min Ma, Rui Ma, Chao Zhang, Wei Zeng, Lu Qi Xing
The etiology of laryngeal squamous cell carcinoma (LSCC) has not yet been adequately examined. Therefore, the present study aimed to investigate the association between serum folate deficiency and abnormal expression of the cell adhesion molecule 1 (CADM1) protein in the progression of LSCC. Samples were collected from 60 patients with LSCC and 30 healthy people. Radioimmunoassays and immunohistochemical staining were performed to measure serum folate levels and CADM1 protein expression, respectively. The results demonstrated that CADM1 expression in LSCC specimens was significantly lower than in adjacent normal tissues (χ(2)=28...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28104015/-establishment-and-characterization-of-a-laryngeal-squamous-cell-carcinoma-cell-line
#5
R Wang, X C Bian, Y Q Liu, J G Fang, H Wang, H G Liu, M Lian, H Z Ma, L Feng, H Z Wang
Objective: To establish a laryngeal squamous cell carcinoma (LSCC) cell line through primary cell culture and observe its biological characteristics. Methods: Tissue block culture method was used for primary cell culture. After LSCC cells passed 25 times in vitro, the morphology of cells was observed, keratin was stained histochemically, cell cycle was tested by PI-FACS, and the specie of cells was detected by PCR and short tandem repeat(STR) typing. Results: This newly established LSCC cell line was named as TR-LCC-1, most of the cancer cells were polygonal shape, like the cobblestone, loss of contact inhibition and with overlapping growth...
January 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28103701/metformin-prevents-the-progression-of-dysplastic-mucosa-of-the-head-and-neck-to-carcinoma-in-nondiabetic-patients
#6
Michael Zvi Lerner, Niv Mor, Hyung Paek, Andrew Blitzer, Marshall Strome
OBJECTIVE: Metformin is an oral anti-hyperglycemic agent used to treat type 2 diabetes mellitus (DM). In vitro and animal models have shown that metformin can prevent the progression of oral lesions to carcinoma; however, there is conflicting data in the clinical literature regarding risk reduction for malignancy in head and neck cancer (HNC). STUDY DESIGN: Case series. METHODS: We present 3 cases in which adjuvant metformin therapy was used to treat recurrent and multifocal dysplastic lesions in previously treated nondiabetic HNC patients...
January 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28102032/nonpromoter-methylation-of-the-cdkn2a-gene-with-active-transcription-is-associated-with-improved-locoregional-control-in-laryngeal-squamous-cell-carcinoma
#7
Miriam M Ben-Dayan, Thomas J Ow, Thomas J Belbin, Joshua Wetzler, Richard V Smith, Geoffrey Childs, Brenda Diergaarde, D Neil Hayes, Jennifer R Grandis, Michael B Prystowsky, Nicolas F Schlecht
We previously reported a novel association between CDKN2A nonpromoter methylation and transcription (ARF/INK4a) in human papillomavirus associated oropharyngeal tumors. In this study we assessed whether nonpromoter CDKN2A methylation in laryngeal squamous cell carcinomas (LXSCC) conferred a similar association with transcription that predicted patient outcome. We compared DNA methylation and ARF/INK4a RNA expression levels for the CDKN2A locus using the Illumina HumanMethylation27 beadchip and RT-PCR in 43 LXSCC tumor samples collected from a prospective study of head and neck cancer patients treated at Montefiore Medical Center (MMC)...
January 19, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28072556/therapeutic-management-of-pyriform-sinus-cancer
#8
Jérôme Donnadieu, Nathalie Klopp-Dutote, Aurélie Biet-Hornstein, Vladimir Strunski, Geoffrey Mortuaire, Cyril Page
Objective To analyze the survival rate of a nonselected pyriform sinus cancer population. Study Design Case series with chart review. Setting University hospital. Subjects and Methods A total of 122 patients were included in this study covering the 2002-2008 period. All patients had squamous cell carcinoma originating from the pyriform sinus. Survival and prognostic factors were analyzed. Results The 3- and 5-year overall survival rates were 39.7% and 2.4%, respectively. The 3- and 5-year survival rates without recurrence were 34% and 27%, respectively...
January 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28069084/transoral-laser-resection-of-glottic-carcinoma-what-is-the-significance-of-anterior-commissure-involvement
#9
K A Stephenson, J J Fagan
BACKGROUND: The optimal management of glottic carcinoma involving the anterior commissure is controversial. METHOD: A retrospective analysis was conducted of 76 patients with glottic squamous cell carcinoma treated by transoral carbon dioxide laser resection by a single surgeon. RESULTS: Sixty-three patients (with tumour stage Tis-T3) were eligible for inclusion. Thirty patients had involvement of the anterior commissure; these patients were significantly more likely to have either uncertain or positive margins (63...
January 10, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28062933/single-cycle-induction-chemotherapy-for-resectable-advanced-hypopharyngeal-cancer
#10
Torahiko Nakashima, Ryuji Yasumatsu, Kaori Asai, Hideoki Uryu, Ryunosuke Kogo, Takashi Nakagawa
BACKGROUND: The role of induction chemotherapy (IC) in the treatment of resectable advanced head and neck squamous cell carcinoma has not been elucidated, and the most effective IC regimen for chemoselection is still unknown. At our institute we have not used the triple combination of docetaxel, cisplatin, fluorouracil (TPF) for chemoselection, but rather the double combination of docetaxel + cisplatin (TP). The aim of this study is to report the outcome of patients with advanced hypopharyngeal cancer treated by single cycle of IC with TP followed by chemoradiation (CRT) or surgery...
January 6, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28052684/discordance-between-clinical-and-pathological-tnm-classification-influence-on-results-of-treatment-and-prognosis-in-patients-with-laryngeal-cancer
#11
P Celakovsky, D Kalfert, K Smatanova, P Kordac, J Laco, V Chrobok
The goals of this retrospective cohort study were to compare the results of clinical and pathological TNM staging in patients with laryngeal squamous cell carcinoma and to determine the impact of the discordance on prognosis and treatment results. A total of 124 patients with laryngeal cancer, primarily indicated for surgical treatment, were enrolled. The concordance or discordance between the clinical and pathological staging was compared with the frequency of cancer relapse and disease-specific survival. Other potential prognostic factors, like age, the stage and location of the primary tumor, the status of neck lymph nodes, histological margins, and an indication for postoperative radiotherapy, were also evaluated...
January 5, 2017: Neoplasma
https://www.readbyqxmd.com/read/28052013/association-of-genetic-polymorphisms-with-laryngeal-carcinoma-prognosis-in-a-chinese-population
#12
Fang Quan, Feipeng Zhang, Yanxia Bai, Long Zhou, Hua Yang, Bin Li, Tianbo Jin, Huajing Li, Yuan Shao
We analyzed the effects of single-nucleotide polymorphisms (SNPs) on laryngeal carcinoma (LC) risk and overall survival (OS) in 170 Chinese male LC patients followed for 10 years. After assessment of clinical characteristics (age, laryngectomy, neck dissection, tumor differentiation, TNM status), the patients were genotyped for 24 SNPs associated with risk in multiple cancers. LC risk was assessed using log-rank test and Cox proportional hazard models. The median OS time was 48 months. By the follow-up deadline, OS was 41...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28051256/expression-of-serum-microrna-378-and-its-clinical-significance-in-laryngeal-squamous-cell-carcinoma
#13
Y Xu, Y-P Lin, D Yang, G Zhang, H-F Zhou
OBJECTIVE: Studies have demonstrated that miRNA -378 expressed in various malignant tumors. In the present study, we aim to explore the expression of serum miRNA-378 and its clinical significance in laryngeal squamous cell carcinoma (LSCC) patients. PATIENTS AND METHODS: A total of 127 LSCC patients, 127 vocal cord polyp (VCP) and 130 healthy controls were selected. RESULTS: The miRNA-378 level in LSCC and VCP group was significantly higher compared to healthy control, and LSCC group has the highest miRNA-378 level...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28049063/activity-of-pericampylus-glaucus-and-periglaucine-a-in-vitro-against-nasopharangeal-carcinoma-and-anti-inflammatory-activity
#14
Fiona Natalia Shipton, Teng-Jin Khoo, Md Shahadat Hossan, Christophe Wiart
ETHNOPHARMACOLOGICAL RELEVANCE: P. glaucus is a climbing plant found across Asia and used in traditional medicine to treat a number of conditions including splenomegaly, fever, cough, laryngitis, pulmonary disease, asthma, headache, hair loss, snake bite, boar bite, factures, boils, tumours, tetanus, rheumatic pain, itches and eclampsia. AIM OF THE STUDY: To test extracts of P. glaucus in a number of bioassays and determine the legitimacy of its traditional use...
December 31, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28048060/su-f-j-223-patterns-of-failure-for-laryngeal-cancer-patients-treated-with-definitive-imrt-comparing-two-different-methods-for-determining-the-origin-of-recurrence-from-follow-up-pet-ct-scans
#15
P Brodin, R Kabarriti, I Vogelius, C Guha, S Kalnicki, M Garg, W Tome
PURPOSE: To determine patterns of failure in laryngeal cancer treated with definitive IMRT by comparing two different methods for identifying the recurrence epicenter on follow-up PET/CT. METHODS: We identified 20 patients treated for laryngeal squamous cell carcinoma with definitive IMRT who had loco-regional recurrence diagnosed on PET/CT. Recurrence PET/CT scans were co-registered with the original treatment planning CT using deformable image registration with the VoxAlign deformation engine in MIM Software...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28039610/cdkn2a-p53-mediated-antitumor-effect-of-lupeol-in-head-and-neck-cancer
#16
Sayantan Bhattacharyya, Vasanthakumar Sekar, Biswanath Majumder, Debapriya G Mehrotra, Samir Banerjee, Anup K Bhowmick, Neyaz Alam, Gautam K Mandal, Jaydip Biswas, Pradip K Majumder, Nabendu Murmu
PURPOSE: The tumor suppressor protein p53 is known to control cell cycle arrest and apoptosis. Lupeol is a phytochemical that has been found to induce apoptosis in different cancer types through the extrinsic pathway. As yet, however, its role in the induction of cell cycle arrest and apoptosis through the intrinsic pathway in head and neck cancer has not been investigated. Here, we aimed at understanding the mechanism underlying the antitumor effect of Lupeol in head and neck cancer...
December 30, 2016: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28038471/prognostic-impact-of-immune-microenvironment-in-laryngeal-and-pharyngeal-squamous-cell-carcinoma-immune-cell-subtypes-immuno-suppressive-pathways-and-clinicopathologic-characteristics
#17
Georgia Karpathiou, Francois Casteillo, Jean-Baptiste Giroult, Fabien Forest, Pierre Fournel, Alessandra Monaya, Marios Froudarakis, Jean Marc Dumollard, Jean Michel Prades, Michel Peoc'h
BACKGROUND: Immune system affects prognosis of various malignancies. Anti-immune pathways like PD-L1 and CTLA4 are used by the tumor to overcome immune system and they serve as immunotherapy targets. The immune microenvironment of head-and-neck squamous cell carcinoma (SCCHN) has not been sufficiently studied. PATIENTS AND METHODS: 152 SCCHN were immunohistochemically studied for the expression of CD3, CD8, CD57, CD4, granzyme b, CD20, CD163, S100, PD-L1, CTLA4 and CXCR4...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28034705/real-life-efficacy-of-volumetric-modulated-arc-therapy-in-head-and-neck-squamous-cell-carcinoma
#18
C Moncharmont, A Vallard, J-B Guy, J-M Prades, C Rancoule, N Magné
OBJECTIVES: There is paucity of data on the efficacy of volumetric modulated arc therapy (VMAT) in head and neck squamous cell carcinoma (HNSCC). The objective of the present study was to investigate outcomes and patterns of recurrence in locally advanced HNSCC treated by VMAT. METHODS: A retrospective study included all patients with stage III or IV HNSCC undergoing curative VMAT. RESULTS: From 2010 to 2013, 130 patients were treated for locally advanced oropharynx (n=55; 42%), hypopharynx (n=38; 29%), larynx (n=22; 17%) or oral cavity (n=15; 12%) SCC...
December 26, 2016: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28032719/minichromosome-maintenance-protein-7-and-geminin-expression-prognostic-value-in-laryngeal-squamous-cell-carcinoma-in-patients-treated-with-radiotherapy-and-cetuximab
#19
Giovanni Almadori, Libero Lauriola, Antonella Coli, Francesco Bussu, Roberto Gallus, Domenico Scannone, Vincenzo Valentini, Gaetano Paludetti, Thomas E Carey, Franco O Ranelletti
BACKGROUND: Minichromosome maintenance protein 7 (MCM7) is a downstream of human epidermal growth receptor (HER1) signaling. We examined MCM7, geminin, and HER1 expression in patients with laryngeal squamous cell carcinoma (SCC) treated with radiotherapy and cetuximab. METHODS: MCM7, geminin, and HER1 were evaluated by immunohistochemistry on 61 patients with laryngeal SCC. The follow-up (median, 32.1 months; range, 2-139 months) went from the beginning of therapy to tumor progression-free survival (PFS) and death (overall survival [OS])...
December 29, 2016: Head & Neck
https://www.readbyqxmd.com/read/28032680/cardiovascular-risk-and-prevention-in-patients-with-head-and-neck-cancer-treated-with-radiotherapy
#20
Christian C Okoye, Jessica Bucher, Curtis Tatsuoka, Sahil A Parikh, Guilherme H Oliveira, Michael K Gibson, Mitchell Machtay, Min Yao, Chad A Zender, Jennifer A Dorth
BACKGROUND: The underlying contributors to cardiovascular disease (CVD) in patients with head and neck squamous cell carcinoma (HNSCC) are poorly characterized. METHODS: Patients with HNSCC who underwent definitive or adjuvant (chemo)radiation between 2011 and 2013 were retrospectively reviewed. The 10-year risk estimates for a CVD event were calculated according to the Framingham Risk Score (FRS). RESULTS: One hundred fifteen patients with predominantly stage III/IV HNSCC had a median follow-up of 2 years...
December 29, 2016: Head & Neck
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