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https://www.readbyqxmd.com/read/29653204/epha3-maintains-radioresistance-in-head-and-neck-cancers-through-epithelial-mesenchymal-transition
#1
Song Hee Kim, Won Hyeok Lee, Seong Who Kim, Je Hyoung Uk, Jong Cheol Lee, Hyo Won Chang, Young Min Kim, Kyungbin Kim, Sang Yoon Kim, Myung Woul Han
Radiotherapy is a well-established therapeutic modality used in the treatment of many cancers. However, radioresistance remains a serious obstacle to successful treatment. Radioresistance can cause local recurrence and distant metastases in some patients after radiation treatment. Thus, many studies have attempted to identify effective radiosensitizers. Eph receptor functions contribute to tumor development, modulating cell-cell adhesion, invasion, neo-angiogenesis, tumor growth and metastasis. However, the role of EphA3 in radioresistance remains unclear...
April 10, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29552148/suppression-of-jab1-expression-inhibits-proliferation-and-promotes-apoptosis-of-amc-hn-8-cells
#2
Pei-Hua Li, Lin Wang, Yao-Jie Pan, Miao-Miao Sang, Jun-Nian Zheng, Dong-Sheng Pei
c-Jun activation domain-binding protein-1 (Jab1) is a multifunctional protein involved in cell proliferation and apoptosis, DNA damage and repair and genome stability. In a number of types of human carcinoma, the abnormal expression of Jab1 is associated with poor prognosis, suggesting that Jab1 serves a vital function in tumorigenesis. However, the functional effects and the underlying molecular mechanisms of Jab1 in laryngeal squamous cell carcinoma (LSCC) progression remain poorly understood. The results of the present study demonstrate that downregulating Jab1 expression promotes LSCC apoptosis while inhibiting the proliferation of LSCC cells...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29547766/immunotherapy-in-head-and-neck-cancers-a-new-challenge-for-immunologists-pathologists-and-clinicians
#3
REVIEW
Sophie Outh-Gauer, Marie Alt, Christophe Le Tourneau, Jérémy Augustin, Chloé Broudin, Cassandre Gasne, Thomas Denize, Haitham Mirghani, Elizabeth Fabre, Madeleine Ménard, Florian Scotte, Eric Tartour, Cécile Badoual
Cancer occurrence can be understood as the result of dysfunctions in immune tumoral microenvironment. Here we review the recent understandings of those microenvironment changes, regarding their causes and prognostic significance in head and neck (HN) carcinoma. We will focus on HN squamous cell cancer (SCC) and nasopharyngeal carcinomas (NPC). Their overall poor prognosis may be improved with immunotherapy in a subset of patients, as supported by current clinical trials. However, finding reliable markers of therapeutic response is crucial for patient selection, due to potential severe adverse reactions and high costs...
March 1, 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29516211/quantitative-assessment-of-fluorescence-intensity-of-icg-in-sentinel-nodes-in-early-gastric-cancer
#4
Keishi Okubo, Yoshikazu Uenosono, Takaaki Arigami, Daisuke Matsushita, Shigehiro Yanagita, Takashi Kijima, Masahiko Amatatsu, Sumiya Ishigami, Kosei Maemura, Shoji Natsugoe
BACKGROUND: The sentinel node (SN) detection by dual tracer method using indocyanine green (ICG) and a radioisotope (RI) has been recommended for early gastric cancer. However, institutions are limited due to radioactivity in the RI method. The greatest advantage of the RI method is that it objectively assesses RI uptake as a numerical value. The aim of the present study was to verify the usefulness of ICG fluorescence intensity in SN. METHODS: Seventeen patients with early gastric cancer were enrolled in this study...
March 7, 2018: Gastric Cancer
https://www.readbyqxmd.com/read/29513892/does-the-number-of-sentinel-lymph-nodes-removed-affect-the-false-negative-rate-for-head-and-neck-melanoma
#5
Charles J Puza, Srirama Josyula, Alicia M Terando, John H Howard, Doreen M Agnese, Paul J Mosca, Walter T Lee, Georgia M Beasley
BACKGROUND AND OBJECTIVES: Head and neck (HN) cutaneous melanoma is associated with worse disease-free survival compared to non-HN cutaneous melanoma, possibly due to inadequate staging. We aim to determine if a higher yield of sentinel lymph nodes (SLNs) affected rates of sentinel lymph node biopsy (SLNB) positivity. METHODS: Two Cancer Registries were used to identify patients who underwent SLNB for HN melanoma. A false negative (FN) was defined by nodal recurrence after negative SLNB...
March 7, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29506885/patient-side-appraisal-of-late-radiation-induced-oral-microvascular-changes
#6
Renée Helmers, Nina F Straat, Arash Navran, Tim A P Nai Chung Tong, David N Teguh, Robert A van Hulst, Jan de Lange, Dan M J Milstein
PURPOSE: To determine the clinical feasibility of examining and measuring late irradiation changes in the oral microcirculation of head and neck (HN) cancer patients using the novel CytoCam video microscope system. METHODS AND MATERIALS: In 30 HN cancer patients and 30 age-matched controls, bilateral video images were recorded noninvasively of the oral microcirculation of the buccal mucosa and mandibular gingiva. Tissue perfusion parameters, such as functional capillary density (FCD), buccal blood vessel diameter, and microcirculatory flow index, were analyzed...
January 31, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29504181/comparison-of-3-he-and-129-xe-mri-for-evaluation-of-lung-microstructure-and-ventilation-at-1-5t
#7
Neil J Stewart, Ho-Fung Chan, Paul J C Hughes, Felix C Horn, Graham Norquay, Madhwesha Rao, Denise P Yates, Rob H Ireland, Matthew Q Hatton, Bilal A Tahir, Paul Ford, Andrew J Swift, Rod Lawson, Helen Marshall, Guilhem J Collier, Jim M Wild
BACKGROUND: To support translational lung MRI research with hyperpolarized129 Xe gas, comprehensive evaluation of derived quantitative lung function measures against established measures from3 He MRI is required. Few comparative studies have been performed to date, only at 3T, and multisession repeatability of129 Xe functional metrics have not been reported. PURPOSE/HYPOTHESIS: To compare hyperpolarized129 Xe and3 He MRI-derived quantitative metrics of lung ventilation and microstructure, and their repeatability, at 1...
March 5, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29484655/delineation-of-human-prostate-cancer-evolution-identifies-chromothripsis-as-a-polyclonal-event-and-fkbp4-as-a-potential-driver-of-castration-resistance
#8
Joël R Federer-Gsponer, Cristina Quintavalle, David C Müller, Tanja Dietsche, Valeria Perrina, Thomas Lorber, Darius Juskevicius, Elisabeth Lenkiewicz, Tobias Zellweger, Thomas Gasser, Michael T Barrett, Cyrill A Rentsch, Lukas Bubendorf, Christian Ruiz
Understanding the evolutionary mechanisms and genomic events leading to castration resistant (CR) prostate cancer (PC) is key to improve the outcome of this otherwise deadly disease. Here, we delineated the tumour history of seven patients progressing to castration resistance by analysing matched prostate cancer tissues before and after castration. We performed genomic profiling of DNA-content based flow-sorted populations in order to define the different evolutionary patterns. In one patient, we discovered that a catastrophic genomic event, known as chromothripsis, resulted in multiple CRPC tumour populations with distinct, potentially advantageous copy number aberrations, including an amplification of FK506 Binding Protein 4 (FKBP4, also known as FKBP52), a protein enhancing the transcriptional activity of androgen receptor signalling...
February 27, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29481712/the-impact-of-adjuvant-chemoradiotherapy-timing-on-survival-of-head-and-neck-cancers
#9
Moses Tam, S Peter Wu, Naamit K Gerber, Anna Lee, David Schreiber, Babak Givi, Kenneth Hu
BACKGROUND: Delays in postoperative head and neck (HN) radiotherapy have been associated with decreased overall survival; however, the impact of delays in postoperative HN chemoradiotherapy remains undefined. METHODS: All patients with nonmetastatic HN cancer (oral cavity, oropharynx, larynx, hypopharynx) who underwent curative intent surgery and received adjuvant chemoradiotherapy were identified from the National Cancer Database (2005-2012). Overall treatment time (OTT) was defined as the time from surgery to the end of radiation therapy...
February 26, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29473248/post-traumatic-growth-in-head-and-neck-cancer-survivors-is-it-possible-and-what-are-the-correlates
#10
Linda Sharp, Devon Redfearn, Aileen Timmons, Myles Balfe, Joanne Patterson
OBJECTIVES: Posttraumatic growth (PTG) is a possible positive consequence of a traumatic event, such as cancer. Head and neck cancer (HNC) may be particularly traumatic, given its adverse effects on functional, psychological and social wellbeing. We investigated: extent of PTG; factors associated with PTG; and associations between PTG and health-related quality-of-life (HRQoL) in HNC survivors. METHODS: HNC survivors (ICD10 C00-C14, C32), identified from the population-based National Cancer Registry Ireland, completed a postal survey...
February 23, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29452869/three-dimensional-printer-aided-casting-of-soft-custom-silicone-boluses-scsbs-for-head-and-neck-radiation-therapy
#11
Tsuicheng Chiu, Jun Tan, Mathew Brenner, Xuejun Gu, Ming Yang, Kenneth Westover, Tobin Strom, David Sher, Steve Jiang, Bo Zhao
PURPOSE: Custom tissue compensators provide dosimetric advantages for treating superficial or complex anatomy, but currently available fabrication technology is expensive or impractical for most clinical operations and yields compensators that are difficult for patients to tolerate. We aimed to develop an inexpensive, clinically feasible workflow for generating patient-specific, soft, custom silicone boluses (SCSBs) for head-and-neck (HN) radiation therapy. METHODS AND MATERIALS: We developed a method using 3-dimensional printed parts for generating SCSBs for the treatment of HN cancers...
November 11, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29438228/antitumor-effect-of-the-newcastle-disease-viral-hemagglutinin-neuraminidase-gene-is-expressed-through-an-oncolytic-adenovirus-effect-in-osteosarcoma-cells
#12
Shuang Chen, Qinggao Zhang, Duo Xu, Yiquan Li, Yuanyuan Fan, Wenjie Li, Xunzhe Yin, Yang Zhang, Jingwei Liu, Xiao Li, Lili Sun, Ningyi Jin
Newcastle disease virus (NDV) can specifically kill cancer cells and has less toxicity to normal cells. The hemagglutinin-neuraminidase (HN) protein is an important structural protein in NDV pathogenesis and has been postulated as a promising candidate for antitumor therapy. The aim of this study was to investigate the anticancer potential of recombinant adenovirus Ad-HN-PEG3p-E1a. An MTS assay was performed to determine viral proliferation after viral infection, the data showed that the proliferation ability of osteosarcoma cells decreased, whereas there was no significant change in normal hepatic cells...
March 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29360397/practice-patterns-for-the-radical-treatment-of-nasopharyngeal-cancer-by-head-and-neck-oncologists-in-the-united-kingdom
#13
Imran Petkar, Shreerang Bhide, Kate Newbold, Kevin Harrington, Chris Nutting
OBJECTIVE: Advances in radiation delivery, imaging techniques, and chemotherapy have significantly improved treatment options for non-metastatic nasopharyngeal cancers (NPC). However, their impact on the practice in the United Kingdom (UK), where this tumour is rare, is unknown. This study examined the current attitudes of UK head and neck (HN) oncologists to the treatment of NPC. METHODS: UK HN oncologists representing 19/23 cancer networks were sent an invitation email with a personalised link to a web-based survey designed to identify the influence of tumour and nodal staging on current NPC management practices...
January 23, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29280495/tsr2-induces-laryngeal-cancer-cell-apoptosis-through-inhibiting-nf-%C3%AE%C2%BAb-signaling-pathway
#14
Hong-Jiang He, Han Bing, Guijun Liu
OBJECTIVES/HYPOTHESIS: Human laryngeal squamous cell carcinoma (LSCC) is a malignancy that was discovered originally in the epithelial tissue of laryngeal mucosa. However, the underlying molecular mechanism is still not clear. In this study, we aimed to investigate the potential molecular mechanisms of TSR2 in the LSCC cell apoptosis. STUDY DESIGN: The expression of TSR2 was first analyzed in LSCC tissues. Then functional effects of TSR2 on Hep-2 and AMC-HN-8 cell lines were performed by overexpression pcDNA3...
April 2018: Laryngoscope
https://www.readbyqxmd.com/read/29229507/patient-reported-dry-mouth-instrument-comparison-and-model-performance-for-correlation-with-quality-of-life-in-head-and-neck-cancer-survivors
#15
Mona Kamal, David I Rosenthal, Stefania Volpe, Ryan P Goepfert, Adam S Garden, Katherine A Hutcheson, Karine A Al Feghali, Mohamed Ahmed Mohamed Meheissen, Salman A Eraj, Amy E Dursteler, Bowman Williams, Joshua B Smith, Jeremy M Aymard, Joel Berends, Aubrey L White, Steven J Frank, William H Morrison, Richard Cardoso, Mark S Chambers, Erich M Sturgis, Tito R Mendoza, Charles Lu, Abdallah S R Mohamed, Clifton D Fuller, G Brandon Gunn
PURPOSE: To identify a clinically meaningful cut-point for the single item dry mouth question of the MD Anderson Symptom Inventory-Head and Neck module (MDASI-HN). METHODS: Head and neck cancer survivors who had received radiation therapy (RT) completed the MDASI-HN, the University of Michigan Hospital Xerostomia Questionnaire (XQ), and the health visual analog scale (VAS) of the EuroQol Five Dimension Questionnaire (EQ-5D). The Bayesian information criteria (BIC) were used to test the prediction power of each tool for EQ-5D VAS...
January 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29222577/occupational-prestige-trajectory-and-the-risk-of-lung-and-head-and-neck-cancer-among-men-and-women-in-france
#16
Gwenn Menvielle, Julien Dugas, Jeanna-Eve Franck, Matthieu Carton, Brigitte Trétarre, Isabelle Stücker, Danièle Luce
OBJECTIVES: This study aimed at investigating the associations between occupational prestige trajectories and lung and head and neck (HN) cancer risk and to assess to what extent smoking, alcohol drinking, and occupational exposures contribute to these associations. METHODS: Using data from the ICARE case-control study (controls (2676 men/715 women), lung cancers (2019 men/558 women), HN cancers (1793 men/305 women), we defined occupational prestige trajectories using group-based modeling of longitudinal data...
December 9, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/29186980/overexpressed-mir-128a-enhances-chemoradiotherapy-to-laryngeal-cancer-cells-and-its-correlation-with-bmi1
#17
Hui Chen, Lei Jin, Liang Zhou, Jia-Meng Huang
AIM: To clarify the function of miR-128a on radiotherapy and chemotherapy resistance in laryngeal cancer and explore the possible mechanism. MATERIALS & METHODS: Hep-2 and AMC-HN-8 cell lines were cultured. MiR-128a was upregulated utilizing lentiviral transfection. Through radiotherapy and chemotherapy assays, the function of miR-128a on chemoradiotherapy was evaluated. The correlation of miR-128a with BMI1 was identified by performing real-time PCR. RESULTS: The hsa-miR128a cell line was established...
November 30, 2017: Future Oncology
https://www.readbyqxmd.com/read/29174806/is-routine-holistic-assessment-with-a-prompt-list-feasible-during-consultations-after-treatment-for-oral-cancer
#18
S N Rogers, S Ahiaku, D Lowe
The head and neck cancer Patient Concerns Inventory (PCI-HN) is a holistic, self-reported list of items that can help patients to disclose their needs and concerns during routine follow-up consultations. The aim of this study was to report how often it was used during the first three years of follow up after treatment for oral cancer, and the range of issues that were raised. The sample comprised consecutive patients treated over a three-year period with curative intent. All clinic attendances were reviewed until October 2015 or until patients had a recurrence, a subsequent primary, metastases, or were discharged home or to follow up at a peripheral hospital, or started palliative care...
January 2018: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29143362/microrna-26a-inhibits-proliferation-and-tumorigenesis-via-targeting-cks2-in-laryngeal-squamous-cell-carcinoma
#19
Zhiyan Wu, Baocai Lu, Xiao Li, Wenjie Miao, Jin Li, Yongjuan Shi, Wenfa Yu
Laryngeal squamous cell carcinoma (LSCC) is one of the most common head and neck cancers, with high mortality and incidence. MicroRNA-26a (miR-26a) is involved in the development and progression of several tumours. However, the roles of miR-26a and its target CKS2 in LSCC progression are not yet clear. The mRNA and protein expression was determined using RT-PCR and Western blotting assay, respectively. Cell proliferation was detected using a Cell Counting kit-8 assay (CCK-8). Transwell assay was used to evaluate cell migration and invasion...
May 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29114602/impact-on-quality-of-life-of-imrt-versus-3-d-conformal-radiation-therapy-in-head-and-neck-cancer-patients-a-case-control-study
#20
Edvard Abel, Ewa Silander, Jan Nyman, Mogens Bove, Leif Johansson, Thomas Björk-Eriksson, Eva Hammerlid
Objective: The purpose of this study was to prospectively and longitudinally compare the health-related quality of life (HRQOL) outcomes between head and neck (HN) cancer patients treated with parotid-sparing intensity modulated radiation therapy (IMRT) and patients treated with 3-dimensional conventional radiation therapy (3D-CRT). Methods and materials: Before and up to 12 months after treatment, HRQOL was recorded in patients with HN cancer who were referred to the Department of Oncology at Sahlgrenska University Hospital for curative IMRT...
July 2017: Advances in Radiation Oncology
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