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https://www.readbyqxmd.com/read/29331751/comprehensive-genomic-profiling-of-head-and-neck-squamous-cell-carcinoma-reveals-fgfr1-amplifications-and-tumour-genomic-alterations-burden-as-prognostic-biomarkers-of-survival
#1
C Dubot, V Bernard, M P Sablin, S Vacher, W Chemlali, A Schnitzler, G Pierron, K Ait Rais, N Bessoltane, E Jeannot, J Klijanienko, O Mariani, T Jouffroy, V Calugaru, C Hoffmann, M Lesnik, N Badois, F Berger, C Le Tourneau, M Kamal, I Bieche
BACKGROUND: We aimed at identifying deleterious genomic alterations from untreated head and neck squamous cell carcinoma (HNSCC) patients, and assessing their prognostic value. PATIENTS AND METHODS: We retrieved 122 HNSCC patients who underwent primary surgery. Targeted NGS was used to analyse a panel of 100 genes selected among the most frequently altered genes in HNSCC and potential therapeutic targets. We selected only deleterious (activating or inactivating) single nucleotide variations, and copy number variations for analysis...
January 10, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29328389/mir-375-inhibits-ifn-%C3%AE-induced-programmed-death-1-ligand%C3%A2-1-surface-expression-in-head-and-neck-squamous-cell-carcinoma-cells-by-blocking-jak2-stat1-signaling
#2
Qingwei Wu, Yingying Zhao, Yiyuan Sun, Xiaojun Yan, Peihua Wang
Upregulation of programmed death 1 ligand 1 (PD-L1) in cancer cells and its ligation to PD-1 on T cells facilitates cancer cell escape from immune surveillance. Therapies with PD-1 or PD-L1 antibodies have resulted in marked clinical responses in various cancer types. Hence, modulators that inhibit PD-L1 expression in cancer cells may serve as a novel strategy by which to enhance host immune responses. In the present study, we investigated the effects of miR-375 on PD-L1 expression in head and neck squamous cell carcinoma (HNSCC) cells by qRT-PCR and western blot analyses...
January 2, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328370/ammonium-tetrathiomolybdate-enhances-the-antitumor-effects-of-cetuximab-via-the-suppression-of-osteoclastogenesis-in-head-and-neck-squamous-carcinoma
#3
Ayaka Morisawa, Tatsuo Okui, Tsuyoshi Shimo, Soichiro Ibaragi, Yuka Okusha, Mitsuaki Ono, Thi Thu Ha Nguyen, Nur Mohammad Monsur Hassan, Akira Sasaki
Head and neck squamous cell carcinoma (HNSCC) poses a significant challenge clinically where one of the mechanisms responsible for the invasion into facial bones occurs via the activation of osteoclasts. Copper has been demonstrated to play a key role in skeletal remodeling. However, the role of copper in cancer-associated bone destruction is thus far unknown. Lysyl oxidase (LOX) is a copper-dependent enzyme that promotes osteoclastogenesis. In the present study, we investigated the effects of copper on HNSCC with bone invasion by the copper chelator, ammonium tetrathiomolybdate (TM) in vitro and in vivo...
January 10, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29327043/association-of-oral-microbiome-with-risk-for-incident-head-and-neck-squamous-cell-cancer
#4
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/29315499/increased-pathologic-upstaging-with-rising-time-to-treatment-initiation-for-head-and-neck-cancer-a-mechanism-for-increased-mortality
#5
Roy Xiao, Matthew C Ward, Kailin Yang, David J Adelstein, Shlomo A Koyfman, Brandon L Prendes, Brian B Burkey
BACKGROUND: Time to treatment initiation (TTI) is increasing and is associated with worsening survival. In the current study, the authors sought to identify a mechanism for this relationship by assessing the effect of TTI on clinical-to-pathologic upstaging in patients with head and neck squamous cell carcinoma (HNSCC). METHODS: Using the National Cancer Data Base, the authors analyzed patients receiving definitive surgery for SCC of the oral cavity, oropharynx, larynx, and hypopharynx from 2005 through 2014...
January 9, 2018: Cancer
https://www.readbyqxmd.com/read/29313973/mouse-model-of-post-surgical-primary-tumor-recurrence-and-regional-lymph-node-metastasis-progression-in-hpv-related-head-and-neck-cancer
#6
Maxime Mermod, Agnès Hiou-Feige, Esther Bovay, Vincent Roh, Jana Sponarova, Massimo Bongiovanni, Daniel W Vermeer, John H Lee, Tatiana V Petrova, Jean-Paul Rivals, Yan Monnier, Genrich V Tolstonog, Christian Simon
HPV-positive head and neck squamous cell carcinoma (HNSCC) is increasingly frequent. Management is particularly debated in the case of post-surgical high-risk features, i.e., positive surgical margins and extracapsular spread (ECS). In this increasingly complex emerging framework of HNSCC treatment, representative pre-clinical models are needed to support future clinical trials and advances in personalized medicine. Here, we present an immunocompetent mouse model based on the implantation of mouse tonsil epithelial HPV16-E6/E7-expressing cancer cells into the submental region of the floor-of-the-mouth...
January 4, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29313435/effect-of-adipose-derived-stem-cells-on-head-and-neck-squamous-cell-carcinoma
#7
Deepa Danan, Christine E Lehman, Rolando E Mendez, Brian Langford, Paul D Koors, Michael I Dougherty, Shayn M Peirce, Daniel G Gioeli, Mark J Jameson
Objective Patients with head and neck squamous cell carcinoma (HNSCC) have significant wound-healing difficulties. While adipose-derived stem cells (ASCs) facilitate wound healing, ASCs may accelerate recurrence when applied to a cancer field. This study evaluates the impact of ASCs on HNSCC cell lines in vitro and in vivo. Study Design In vitro experiments using HNSCC cell lines and in vivo mouse experiments. Setting Basic science laboratory. Subjects and Methods Impact of ASCs on in vitro proliferation, survival, and migration was assessed using 8 HNSCC cell lines...
January 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29311018/melanoma-associated-antigen-a11-reduces-erlotinib-and-afatinib-efficacy-in-head-and-neck-cancer
#8
Stefan Hartmann, Leonie Zwick, Katja Maurus, Andreas R Fuchs, Roman C Brands, Axel Seher, Alexander C Kübler, Urs D A Müller-Richter
Melanoma-associated antigen A (MAGE-A) proteins are members of the cancer/testis antigens (CTA), and the expression of these proteins is almost exclusively limited to malignant cells, making them an attractive treatment target. MAGE-A expression is correlated with poor overall survival in several cancers, including head and neck squamous cell carcinoma (HNSCC). Among others, MAGE-A11 was found to be associated with resistance to different antineoplastic and targeted compounds, such as epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs)...
December 24, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29309367/intratumoral-injection-of-radioactive-holmium-166-microspheres-in-recurrent-head-and-neck-squamous-cell-carcinoma-preliminary-results-of-first-use
#9
Robbert C Bakker, Robert J J van Es, Antoine J W P Rosenberg, Sebastiaan A van Nimwegen, Remco Bastiaannet, Hugo W A M de Jong, Johannes F W Nijsen, Marnix G E H Lam
BACKGROUND: Limited treatment options exist for patients with locoregional recurrences of head and neck squamous cell carcinoma (HNSCC). In the palliative setting, a single session, minimally invasive, and relatively safe therapy is desirable. This case series illustrates the feasibility of a direct intratumoral injection of radioactive holmium-166 microspheres (HoMS) in patients as a palliative treatment for recurrent HNSCC. PATIENTS AND METHODS: In this retrospective analysis, patients with already reirradiated irresectable recurrent HNSCC, for whom palliative chemotherapy was unsuccessful or impossible, were offered microbrachytherapy with HoMS...
January 5, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29308323/two-immune-enhanced-molecular-subtypes-differ-in-inflammation-checkpoint-signaling-and-outcome-of-advanced-head-and-neck-squamous-cell-carcinoma
#10
Bangrong Cao, Qifeng Wang, Huan Zhang, Guiquan Zhu, Jinyi Lang
The immune environment of primary tumor is associated with the clinical response and benefit of immunotherapy. This study aims to investigate the intratumoral immune profile and its clinical relevance in advanced head and neck squamous cell carcinoma (HNSCC). Gene expression profiles of 401 HNSCCs at stage III-IVB from two cohorts (The Cancer Genome Atlas, TCGA, n = 203; the Leipzig Head and Neck Group, LHNG, n = 198) were involved in this analysis. Based on the global immune-related genes, four gene expression subtypes (C1-4) were identified in HNSCCs...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29307045/a-comparison-of-cell-survival-and-heat-shock-protein-expression-after-radiation-in-normal-dermal-fibroblasts-microvascular-endothelial-cells-and-different-head-and-neck-squamous-carcinoma-cell-lines
#11
Dominique Muschter, Fabian Geyer, Richard Bauer, Tobias Ettl, Stephan Schreml, Frank Haubner
OBJECTIVES: Head and neck squamous cell carcinoma (HNSCC) shows increased radioresistance due to the manipulation of homeostatic mechanisms like the heat shock response. This study intended to comparatively analyze effects of ionizing radiation on different HNSCC cell lines (PCI) and normal human dermal fibroblasts (NHFs) and human dermal microvascular endothelial cells (HDMECs) to uncover differences in radiation coping strategies. MATERIALS AND METHODS: Proliferation (BrdU assay), apoptosis (caspase 3/7) and intracellular protein expression of heat shock protein (HSP)-70, and phosphorylated and total HSP27, determined by enzyme-linked immunosorbent assay (ELISA), were analyzed after exposure to increasing doses of ionizing radiation (2, 6, and 12 Gray, Gy)...
January 6, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29306329/gene-expression-signature-regulated-by-the-keap1-nrf2-cul3-axis-is-associated-with-a-poor-prognosis-in-head-and-neck-squamous-cell-cancer
#12
Akhileshwar Namani, Md Matiur Rahaman, Ming Chen, Xiuwen Tang
BACKGROUND: NRF2 is the key regulator of oxidative stress in normal cells and aberrant expression of the NRF2 pathway due to genetic alterations in the KEAP1 (Kelch-like ECH-associated protein 1)-NRF2 (nuclear factor erythroid 2 like 2)-CUL3 (cullin 3) axis leads to tumorigenesis and drug resistance in many cancers including head and neck squamous cell cancer (HNSCC). The main goal of this study was to identify specific genes regulated by the KEAP1-NRF2-CUL3 axis in HNSCC patients, to assess the prognostic value of this gene signature in different cohorts, and to reveal potential biomarkers...
January 6, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29305574/anti-trop2-blockade-enhances-the-therapeutic-efficacy-of-erbb3-inhibition-in-head-and-neck-squamous-cell-carcinoma
#13
Nathan Redlich, Anthony M Robinson, Kwangok P Nickel, Andrew P Stein, Deric L Wheeler, Douglas R Adkins, Ravindra Uppaluri, Randall J Kimple, Brian A Van Tine, Loren S Michel
ErbB3 has been widely implicated in treatment resistance, but its role as a primary treatment target is less clear. Canonically ErbB3 requires EGFR or ErbB2 for activation, whereas these two established treatment targets are thought to signal independently of ErbB3. In this study, we show that ErbB3 is essential for tumor growth of treatment-naive HNSCC patient-derived xenografts. This ErbB3 dependency occurs via ErbB3-mediated control of EGFR activation and HIF1α stabilization, which require ErbB3 and its ligand neuregulin-1...
January 5, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29300804/a-phase-ii-study-of-temsirolimus-added-to-low-dose-weekly-carboplatin-and-paclitaxel-for-patients-with-recurrent-and-or-metastatic-r-m-head-and-neck-squamous-cell-carcinoma-hnscc
#14
L A Dunn, M G Fury, H Xiao, S S Baxi, E J Sherman, S Korte, C Pfister, S Haque, N Katabi, A L Ho, D G Pfister
No abstract text is available yet for this article.
January 2, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29298797/development-and-validation-of-a-gene-signature-for-patients-with-head-and-neck-squamous-cell-carcinomas-treated-by-postoperative-radio-chemo-therapy
#15
Stefan Schmidt, Annett Linge, Alex Zwanenburg, Stefan Leger, Fabian Lohaus, Constanze Krenn, Steffen Appold, Volker Gudziol, Alexander Nowak, Clare von Neubeck, Ingeborg Tinhofer, Volker Budach, Ali Sak, Martin Stuschke, Panagiotis Balermpas, Claus Rödel, Hatice Bunea, Anca Ligia Grosu, Amir Abdollahi, Juergen Debus, Ute Ganswindt, Claus Belka, Steffi U Pigorsch, Stephanie Elisabeth Combs, David Mönnich, Daniel Zips, Gustavo B Baretton, Frank Buchholz, Michael Baumann, Mechthild Krause, Steffen Löck
PURPOSE: The aim of this study was to identify and independently validate a novel gene signature predicting loco-regional tumor control (LRC) for treatment individualization of patients with locally advanced HPV-negative head and neck squamous cell carcinomas (HNSCC) who are treated with postoperative radio(chemo)therapy (PORT-C). EXPERIMENTAL DESIGN: Gene expression analyses were performed using nanoString technology on a multicenter training cohort of 130 patients and an independent validation cohort of 121 patients...
January 3, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29297949/effect-of-17-allylamino-17-demethoxygeldanamycin-17-aag-on-akt-protein-expression-is-more-effective-in-head-and-neck-cancer-cell-lineages-that-retain-pten-protein-expression
#16
Flávia Sirotheau Corrêa Pontes, Hélder Antônio Rebelo Pontes, Lucas Lacerda de Souza, Adriana Souza de Jesus, Andrea Maia Correa Joaquim, Ligia Akiko Ninokata Miyahara, Felipe Paiva Fonseca, Décio Dos Santos Pinto Júnior
OBJECTIVES: The aim of this study was to evaluate the expression of Akt, PTEN, Mdm2 and p53 proteins in three different head and neck squamous cell carcinoma (HNSCC) cell lines (HN6, HN19 and HN30), all of them treated with epidermal growth factor (EGF) and 17-allylamino-17-demethoxygeldanamycin (17-AAG), an inhibitor of Hsp90 protein. MATERIAL AND METHODS: Immunofluorescence and western blot were performed in order to analyze the location and quantification, respectively, of proteins under the action 17-AAG and EGF...
January 3, 2018: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29295747/comparison-of-detection-methods-for-hpv-status-as-a-prognostic-marker-for-loco-regional-control-after-radiochemotherapy-in-patients-with-hnscc
#17
Annett Linge, Ulrike Schötz, Steffen Löck, Fabian Lohaus, Cläre von Neubeck, Volker Gudziol, Alexander Nowak, Inge Tinhofer, Volker Budach, Ali Sak, Martin Stuschke, Panagiotis Balermpas, Claus Rödel, Hatice Bunea, Anca-Ligia Grosu, Amir Abdollahi, Jürgen Debus, Ute Ganswindt, Kirsten Lauber, Steffi Pigorsch, Stephanie E Combs, David Mönnich, Daniel Zips, Gustavo B Baretton, Frank Buchholz, Mechthild Krause, Claus Belka, Michael Baumann
OBJECTIVE: To compare six HPV detection methods in pre-treatment FFPE tumour samples from patients with locally advanced head and neck squamous cell carcinoma (HNSCC) who received postoperative (N = 175) or primary (N = 90) radiochemotherapy. MATERIALS AND METHODS: HPV analyses included detection of (i) HPV16 E6/E7 RNA, (ii) HPV16 DNA (PCR-based arrays, A-PCR), (iii) HPV DNA (GP5+/GP6+ qPCR, (GP-PCR)), (iv) p16 (immunohistochemistry, p16 IHC), (v) combining p16 IHC and the A-PCR result and (vi) combining p16 IHC and the GP-PCR result...
December 30, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29290283/benzethonium-chloride-activates-er-stress-and-reduces-proliferation-in-hnscc
#18
Hani M Rayess, Yue Xi, Danielle M Garshott, Amy L Brownell, George H Yoo, Michael U Callaghan, Andrew M Fribley
No abstract text is available yet for this article.
January 2018: Oral Oncology
https://www.readbyqxmd.com/read/29290282/rack1-is-an-organ-specific-prognostic-predictor-in-oscc
#19
Sai Liu, JiaJia Liu, Jiongke Wang, Junxin Cheng, Xin Zeng, Ning Ji, Jing Li, Qianming Chen
OBJECTIVES: This study aims to verify that RACK1 is an organ-specific prognostic predictor in patients with oral squamous cell carcinoma (OSCC). EXPERIMENTAL DESIGN: The RACK1 expression level was assessed by immunohistochemistry (IHC) in a total of 342 OSCC patients from 3 independent cohorts. The multivariate hazard ratios for Overall Survival (OS) was determined by Cox proportional hazards regression model. OS was analyzed in 460 Head Neck Squamous Cell Carcinoma (HNSCC) patients from TCGA data set...
January 2018: Oral Oncology
https://www.readbyqxmd.com/read/29289845/decreased-plasma-dek-oncogene-levels-correlate-with-p16-negative-disease-and-advanced-tumor-stage-in-a-case-control-study-of-patients-with-head-and-neck-squamous-cell-carcinoma
#20
Trisha Wise-Draper, Arun Sendilnathan, Sarah Palackdharry, Nicholas Pease, Julianne Qualtieri, Randall Butler, Nooshin Hashemi Sadraei, John C Morris, Yash Patil, Keith Wilson, Jonathan Mark, Keith Casper, Vinita Takiar, Adam Lane, Lisa Privette Vinnedge
Head and neck cancer (HNC) remains the sixth most common malignancy worldwide and survival upon recurrence and/or metastasis remains poor. HNSCC has traditionally been associated with alcohol and nicotine use, but more recently the Human Papilloma Virus (HPV) has emerged as a favorable prognostic risk factor for oropharyngeal HNSCC. However, further stratification with additional biomarkers to predict patient outcome continues to be essential. One candidate biomarker is the DEK oncogenic protein, which was previously detected in the urine of patients with bladder cancer and is known to be secreted by immune cells such as macrophages...
December 28, 2017: Translational Oncology
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