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https://www.readbyqxmd.com/read/28812214/the-role-of-human-papillomavirus-on-the-prognosis-and-treatment-of-oropharyngeal-carcinoma
#1
Nicholas Fung, Farhoud Faraji, Hyunseok Kang, Carole Fakhry
Human papillomavirus positive oropharyngeal cancer (HPV-positive OPC) is a distinct subtype of head and neck carcinoma (HNC) distinguished from HPV-negative HNC by its risk factor profile, clinical behavior, and molecular biology. Compared to HPV-negative HNC, HPV-positive OPC exhibits significantly better prognosis and an enhanced response to treatment. Recognition of the survival benefit of HPV-positive tumors has led to therapeutic de-intensification strategies aiming to mitigate treatment-related toxicities while maintaining high response rates...
August 15, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28808988/transoral-resection-of-human-papillomavirus-hpv-positive-squamous-cell-carcinoma-of-the-oropharynx-outcomes-with-and-without-adjuvant-therapy
#2
Ryan S Jackson, Parul Sinha, Joseph Zenga, Dorina Kallogjeri, Jasmina Suko, Eliot Martin, Eric J Moore, Bruce H Haughey
BACKGROUND: With the rise of oropharyngeal squamous cell carcinoma associated with human papillomavirus (HPV), appropriate treatment strategies continue to be tailored toward minimizing treatment while preserving oncologic outcomes. This study aimed to compare the outcomes for those undergoing transoral resection with or without adjuvant therapy for HPV-related oropharyngeal carcinoma. METHODS: A case-match cohort analysis was performed at two institutions on patients with HPV-related oropharyngeal squamous cell carcinoma...
August 14, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28808115/human-papillomavirus-in-oropharyngeal-cancer-in-canada-analysis-of-5-comprehensive-cancer-centres-using-multiple-imputation
#3
Steven Habbous, Karen P Chu, Harold Lau, Melissa Schorr, Mathieos Belayneh, Michael N Ha, Scott Murray, Brian O'Sullivan, Shao Hui Huang, Stephanie Snow, Matthew Parliament, Desiree Hao, Winson Y Cheung, Wei Xu, Geoffrey Liu
BACKGROUND: The incidence of oropharyngeal cancer has risen over the past 2 decades. This rise has been attributed to human papillomavirus (HPV), but information on temporal trends in incidence of HPV-associated cancers across Canada is limited. METHODS: We collected social, clinical and demographic characteristics and p16 protein status (p16-positive or p16-negative, using this immunohistochemistry variable as a surrogate marker of HPV status) for 3643 patients with oropharyngeal cancer diagnosed between 2000 and 2012 at comprehensive cancer centres in British Columbia (6 centres), Edmonton, Calgary, Toronto and Halifax...
August 14, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28799537/hpv-16-in-a-distinct-subset-of-oral-epithelial-dysplasia
#4
Mark A Lerman, Soulafa Almazrooa, Neal Lindeman, Dimity Hall, Alessandro Villa, Sook-Bin Woo
Human papillomavirus (HPV) 16 is the most common high-risk HPV type identified in oropharyngeal and cervical neoplasia. Recently, HPV-associated oral epithelial dysplasia with specific histopathologic features and demographics similar to HPV-oropharyngeal carcinoma has been identified. The objective of this study was to evaluate histopathologically all cases of HPV-oral epithelial dysplasia seen in one center and identify HPV types in a subset of cases. Cases with specific histopathology for HPV-oral epithelial dysplasia that were positive both by immunohistochemical studies for p16 and by in situ hybridization for high-risk types of HPV were further analyzed using QIAamp DNA Tissue Kits (Qiagen, Hilden, Germany)...
August 11, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28798073/the-human-papillomavirus-replication-cycle-and-its-links-to-cancer-progression-a-comprehensive-review
#5
REVIEW
Sheila V Graham
HPVs (human papillomaviruses) infect epithelial cells and their replication cycle is intimately linked to epithelial differentiation. There are over 200 different HPV genotypes identified to date and each displays a strict tissue specificity for infection. HPV infection can result in a range of benign lesions, for example verrucas on the feet, common warts on the hands, or genital warts. HPV infects dividing basal epithelial cells where its dsDNA episomal genome enters the nuclei. Upon basal cell division, an infected daughter cell begins the process of keratinocyte differentiation that triggers a tightly orchestrated pattern of viral gene expression to accomplish a productive infection...
September 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28797447/evaluation-of-the-xpert%C3%A2-hpv-assay-in-the-detection-of-human-papillomavirus-in-formalin-fixed-paraffin-embedded-oropharyngeal-carcinomas
#6
Maria Gabriella Donà, Francesca Rollo, Barbara Pichi, Giuseppe Spriano, Raul Pellini, Renato Covello, Edoardo Pescarmona, Giulia Fabbri, Manuela Scalfari, Tarik Gheit, Maria Benevolo
OBJECTIVES: The increasing incidence of HPV-related Oropharyngeal Squamous Cell Carcinoma (OPSCC) and the improved survival of HPV-positive OPSCC highlight the need for effective tools in evaluating HPV status on formalin-fixed paraffin-embedded (FFPE) cancers. To date, there is no agreement regarding the most appropriate method for HPV testing on FFPE materials. We aimed to investigate the performance of the Xpert® HPV assay (Cepheid) on crude lysates from OPSCC FFPE tissues. MATERIALS AND METHODS: Crude lysates were obtained by proteinase K digestion of FFPE tissues that had already been analyzed by the INNO-LiPA HPV assay and p16(ink4a) immunostaining...
September 2017: Oral Oncology
https://www.readbyqxmd.com/read/28797445/characteristics-and-long-term-outcomes-of-head-and-neck-squamous-cell-carcinoma-after-solid-organ-transplantation
#7
Samer Alsidawi, Katharine A Price, Ashish V Chintakuntlawar, Gustavo F Westin, Joaquin J Garcia, Daniel J Ma, Scott H Okuno
INTRODUCTION: Immunosuppression after solid organ transplant prevents graft rejection, but leads to increased incidence of various malignancies including head and neck squamous cell carcinoma (HNSCC). Outcomes of patients with post-transplant HNSCC are unknown. MATERIALS AND METHODS: We retrospectively identified patients who developed HNSCC after solid organ transplant between 1995 and 2010. Adults with pathology-proven HNSCC and adequate follow up were included...
September 2017: Oral Oncology
https://www.readbyqxmd.com/read/28782304/primary-treatment-for-oropharyngeal-squamous-cell-carcinoma-in-alberta-canada-a-population-based-study
#8
Amy J Hobbs, Nigel T Brockton, T Wayne Matthews, Shamir P Chandarana, Pinaki Bose, Kelly Guggisberg, Gordon H Fick, Joseph C Dort
BACKGROUND: The incidence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (SCC) is increasing and has better survival than non-HPV related oropharyngeal SCC. This study compared surgical to nonsurgical treatments and demographic, clinical, and survival differences in patients with oropharyngeal SCC, stratified by p16 status. METHODS: We assembled a cohort of adult patients with oropharyngeal SCC diagnosed between 2000 and 2008 in Alberta...
August 7, 2017: Head & Neck
https://www.readbyqxmd.com/read/28771189/integration-of-human-papillomavirus-genomes-in-head-and-neck-cancer-is-it-time-to-consider-a-paradigm-shift
#9
REVIEW
Iain M Morgan, Laurence J DiNardo, Brad Windle
Human papillomaviruses (HPV) are detected in 70-80% of oropharyngeal cancers in the developed world, the incidence of which has reached epidemic proportions. The current paradigm regarding the status of the viral genome in these cancers is that there are three situations: one where the viral genome remains episomal, one where the viral genome integrates into the host genome and a third where there is a mixture of both integrated and episomal HPV genomes. Our recent work suggests that this third category has been mischaracterized as having integrated HPV genomes; evidence indicates that this category consists of virus-human hybrid episomes...
August 3, 2017: Viruses
https://www.readbyqxmd.com/read/28768872/high-risk-alpha-papillomavirus-oncogenes-impair-the-homologous-recombination-pathway
#10
Nicholas A Wallace, Sujita Khanal, Kristin L Robinson, Sebastian O Wendel, Joshua J Messer, Denise A Galloway
Persistent high risk genus α human papillomavirus (HPV) infections cause nearly every cervical carcinoma and a subset of tumors in the oropharyngeal tract. During the decades required for HPV-associated tumorigenesis, the cellular genome becomes significantly destabilized. Our analysis of cervical tumors from 4 separate data sets found a significant upregulation of the homologous recombination (HR) pathway genes. The increased abundance of HR proteins can be replicated in primary cells by expression of the two HPV oncogenes (E6 and E7) required for HPV-associated transformation...
August 2, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28760331/the-applicability-of-new-tnm-classification-for-humanpapilloma-virus-related-oropharyngeal-cancer-in-the-8th-edition-of-the-ajcc-uicc-tnm-staging-system-in-japan-a-single-centre-study
#11
Daisuke Sano, Kenichiro Yabuki, Yasuhiro Arai, Teruhiko Tanabe, Yoshihiro Chiba, Goshi Nishimura, Hideaki Takahashi, Shoji Yamanaka, Nobuhiko Oridate
OBJECTIVE: The purpose of this study is to validate the applicability of new TNM classification for human papillomavirus (HPV)-related oropharyngeal cancer (OPC) in the 8th edition of the American Joint Committee on Cancer (AJCC)/Union for International Cancer Control (UICC) TNM staging system in Japan. METHODS: A total of 91 OPC patients treated with radiation-based therapy between January 2011 and December 2016 were analyzed retrospectively in this study. HPV infection status was evaluated using tumor p16 expression...
July 28, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28758552/correlation-between-hpv-status-at-t-and-n-sites-of-oropharyngeal-squamous-cell-carcinomas
#12
Michael Vallop Josiassen, Birgitte Charabi, Christel Braemer Lajer, Emilie Garnaes, Marianne Hamilton Therkildsen, Bodil Norrild, Lena Specht, Finn Cilius Nielsen, Christian von Buchwald
OBJECTIVES: Human papilloma virus (HPV) is known to be associated with oropharyngeal squamous cell carcinomas (OPSCC) and may potentially play a vital role in tumor metastasis. The purpose of this study was to correlate HPV status of cervical lymph node metastases with their respective primary OPSCC tumor. METHODS: Formalin-fixed, paraffin-embedded (FFPE) tissue samples obtained from 34 patients with cervical lymph node metastases were analyzed with HPV 16 DNA polymerase chain reaction (PCR), p16 immunohistochemistry and HPV typing...
July 30, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28755450/men-s-perspectives-on-cancer-prevention-behaviours-associated-with-hpv
#13
Serena Fitzgerald, Nicola Cornally, Josephine Hegarty
BACKGROUND: The Human Papillomavirus (HPV) is associated with the diagnosis of anal, penile, and oropharyngeal cancers in men. Evidence indicates that correct condom use in addition to obtaining the HPV vaccine provides the greatest protection from HPV infections. AIM: To explore young male's beliefs and behavioural intention in relation to receiving the HPV vaccine and using a condom correctly and consistently for sexual contact. METHODOLOGY: A cross-sectional study underpinned by the Theory of Planned Behaviour was conducted with male participants (n=359, 18-28 years) who completed an online survey...
July 28, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28752235/prognostic-implications-of-human-papillomavirus-status-for-patients-with-non-oropharyngeal-head-and-neck-squamous-cell-carcinomas
#14
Huaising C Ko, Paul M Harari, Ryan M Sacotte, Shuai Chen, Aaron M Wieland, Menggang Yu, Andrew M Baschnagel, Justine Y Bruce, Randall J Kimple, Matthew E Witek
PURPOSE: We examined overall survival in a large cohort of patients with human papillomavirus (HPV)-positive and HPV-negative non-oropharyngeal squamous cell carcinoma of the head and neck (non-OPSCC). METHODS: Patients diagnosed with non-OPSCC and known HPV status were identified in the National Cancer Database (NCDB). Multivariate logistic regression was applied to examine factors associated with HPV status. Multivariate analysis was utilized to determine factors correlated with overall survival...
July 27, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28737019/clinical-outcomes-for-patients-presenting-with-n3-head-and-neck-squamous-cell-carcinoma-analysis-of-the-national-cancer-database
#15
Huaising C Ko, Shuai Chen, Aaron M Wieland, Menggang Yu, Andrew M Baschnagel, Gregory K Hartig, Paul M Harari, Matthew E Witek
BACKGROUND: There is a paucity of data regarding head and neck squamous cell carcinomas (HNSCCs) and N3 nodal disease. METHODS: Retrospective analysis of patients with N3 HNSCC identified in the National Cancer Database (NCDB) was performed. RESULTS: We identified 4867 patients with N3 HNSCC treated with primary surgery or chemoradiotherapy (CRT). Propensity-adjusted median survival was 54.2 and 44.8 months for surgery and CRT, respectively (P = ...
July 24, 2017: Head & Neck
https://www.readbyqxmd.com/read/28733453/a-novel-functional-splice-variant-of-akt3-defined-by-analysis-of-alternative-splice-expression-in-hpv-positive-oropharyngeal-cancers
#16
Theresa Guo, Akihiro Sakai, Bahman Afsari, Michael Considine, Ludmila Danilova, Alexander V Favorov, Srinivasan Yegnasubramanian, Dylan Z Kelley, Emily Flam, Patrick K Ha, Zubair Khan, Sarah J Wheelan, J Silvio Gutkind, Elana J Fertig, Daria A Gaykalova, Joseph Califano
The incidence of HPV-related oropharyngeal squamous cell carcinoma (OPSCC) has increased more than 200% in the past 20 years. Recent genetic sequencing efforts have elucidated relevant genes in head and neck cancer, but HPV-related tumors have consistently shown few DNA mutations. In this study, we sought to analyze alternative splicing events (ASE) that could alter gene function independent of mutations. To identify ASE unique to HPV-related tumors, RNA sequencing was performed on 46 HPV-positive OPSCC and 25 normal tissue samples...
July 21, 2017: Cancer Research
https://www.readbyqxmd.com/read/28732044/the-prognostic-impact-of-human-papillomavirus-status-following-treatment-failure-in-oropharyngeal-cancer
#17
Eesha Dave, Umut Ozbek, Vishal Gupta, Eric Genden, Brett Miles, Marita Teng, Marshall Posner, Krzysztof Misiukiewicz, Richard L Bakst
INTRODUCTION: Despite the human papillomavirus conferring a better prognosis in the primary treatment setting, the prognostic impact of viral status after treatment failure in oropharyngeal squamous cell carcinoma patients is poorly understood. METHODS: We retrospectively identified 33 oropharyngeal squamous cell carcinoma (OPC) patients with local and/or distant disease recurrence post-treatment, and looked at metastatic patterns, time to failure and survival patterns by HPV status...
2017: PloS One
https://www.readbyqxmd.com/read/28725009/the-salivary-microbiome-as-an-indicator-of-carcinogenesis-in-patients-with-oropharyngeal-squamous-cell-carcinoma-a-pilot-study
#18
Axel Wolf, Christine Moissl-Eichinger, Alexandra Perras, Kaisa Koskinen, Peter V Tomazic, Dietmar Thurnher
This study aimed to undertake an initial, comparative analysis of the oral salivary microbiome of patients with oral and oropharyngeal squamous cell carcinoma versus healthy controls. This project, conceived as a pilot study, included 11 patients (1 female, 10 male, mean age 61.6 yrs., SD = 8.2 yrs.) and 11 healthy controls (1 female, 10 male, mean age 46.7 yrs., SD = 15.1 yrs.). Samples of saliva were analysed by high-throughput sequencing of the 16S rRNA gene using the MiSeq platform. Sequence data revealed microbial changes that may mirror disease progression and reflect clinical preconditions such as age, alcohol consumption, tumour size, lymph node status, smoking habit, and tumour HPV-positivity...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722666/tumor-pd-l1-status-and-cd8-tumor-infiltrating-t-cells-markers-of-improved-prognosis-in-oropharyngeal-cancer
#19
Astrid De Meulenaere, Tijl Vermassen, Sandrine Aspeslagh, Philippe Deron, Fréderic Duprez, Debby Laukens, Jo Van Dorpe, Liesbeth Ferdinande, Sylvie Rottey
INTRODUCTION: The aim of this study was to evaluate the expression of PD-L1 in oropharyngeal squamous cell carcinoma. Its relation with clinicopathological variables such as amount and type of tumor infiltrating lymphocytes, HPV status and survival was also determined. RESULTS: Positive PD-L1 status for the SP142 clone related with improved overall survival in oropharyngeal squamous cell carcinoma. Tumors heavily infiltrated by tumor infiltrating lymphocytes were also linked with better outcome, and this as well for the total number of tumor infiltrating lymphocytes as for the CD3+ and CD8+ T cell count...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721884/dosimetric-predictors-of-patient-reported-xerostomia-and-dysphagia-with-deintensified-chemoradiation-therapy-for-hpv-associated-oropharyngeal-squamous-cell-carcinoma
#20
Bhishamjit S Chera, David Fried, Alex Price, Robert J Amdur, William Mendenhall, Chiray Lu, Shiva Das, Nathan Sheets, Lawrence Marks, Panayiotis Mavroidis
PURPOSE/OBJECTIVE(S): To estimate the association between different dose-volume metrics of the salivary glands and pharyngeal constrictors with patient reported severity of xerostomia/dysphagia in the setting of deintensified chemoradiation therapy (CRT). METHODS AND MATERIALS: Forty-five patients were treated on a phase 2 study assessing the efficacy of deintensified CRT for favorable-risk, HPV-associated oropharyngeal squamous cell carcinoma. Patients received 60 Gy intensity modulated radiation therapy with concurrent weekly cisplatin (30 mg/m(2)), and reported the severity of their xerostomia/dysphagia (before and after treatment) using the patient-reported outcome version of the Common Terminology Criteria for Adverse Events (CTCAE) (PRO-CTCAE)...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
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