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https://www.readbyqxmd.com/read/29909908/the-epidemiology-of-oral-human-papillomavirus-infection-in-healthy-populations-a-systematic-review-and-meta-analysis
#1
REVIEW
Samantha Tam, Shuangshuang Fu, Li Xu, Kate J Krause, David R Lairson, Hongyu Miao, Erich M Sturgis, Kristina R Dahlstrom
Human papillomavirus (HPV) is a potentially oncogenic sexually transmitted infection. As the incidence of oropharyngeal cancer (OPC) caused by oral HPV infections is rising, further investigation into the natural history of such infections is needed. This systematic review and meta-analysis aimed to synthesize data on the prevalence, incidence, clearance, and persistence of oral HPV infections in healthy individuals. A systematic review of literature published between January 1995 and August 2017 was conducted using Ovid MEDLINE, PubMed, Embase, and the Cochrane Library...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909905/dysfunction-of-hpv16-specific-cd8-t-cells-derived-from-oropharyngeal-tumors-is-related-to-the-expression-of-tim-3-but-not-pd-1
#2
Kamila Hladíková, Simona Partlová, Vladimír Koucký, Jan Bouček, Jean-Francois Fonteneau, Michal Zábrodský, Ruth Tachezy, Marek Grega, Radek Špíšek, Anna Fialová
BACKGROUND: Human papillomavirus (HPV) type 16 infection is one of the most important etiological agents of oropharyngeal squamous cell carcinoma. Patients with HPV-associated carcinomas of the head and neck were reported to have a better clinical outcome than patients with HPV-negative tumors. Because HPV16 E6 and E7 oncoproteins are highly immunogenic and constitutively expressed, HPV-specific T cell immunity may play the key role in improving the prognosis of these patients. METHODS: Tumor-derived T cells were expanded in high levels of IL-2 and stimulated with HPV16 E6/E7 peptides in the presence or absence of anti-PD-1 monoclonal antibody nivolumab and soluble Tim-3...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909888/ajcc-8ed-nodal-staging-does-not-predict-outcomes-in-surgically-managed-hpv-associated-oropharyngeal-cancer
#3
Kealan C Hobelmann, Michael C Topf, Voichita Bar-Ad, Adam J Luginbuhl, William M Keane, Joseph M Curry, David M Cognetti
OBJECTIVE: To assess the pathological outcomes of surgically-managed human papillomavirus (HPV) positive oropharyngeal squamous cell carcinoma (OPSCC) using the 8th Edition of the American Joint Committee on Cancer Staging Manual (AJCC-8ed). MATERIALS AND METHODS: A retrospective review was conducted of 156 patients with previously untreated OPSCC who underwent primary TORS between March 2010 and February 2015 to evaluate the impact of the new AJCC-8ed pathologic staging system...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909887/smoking-impact-on-hpv-driven-head-and-neck-cancer-s-oncological-outcomes
#4
Haitham Mirghani, Charlotte Leroy, Younes Chekourry, Odile Casiraghi, Anne Aupérin, Yungan Tao, France Nguyen, Even Caroline, Ingrid Breuskin, Antoine Moya Plana, Dana Hartl, François Janot, Stéphane Temam, Philippe Gorphe, Pierre Blanchard
INTRODUCTION: HPV-driven oropharyngeal cancer (OPC) patients have a better prognosis than their HPV-negative counterparts but several studies have suggested that among HPV-positive patients those with a smoking history had worse oncological outcomes. The aim of our study is to characterize the interplay between tobacco consumption, patient and disease characteristics, and disease control. MATERIALS AND METHODS: All patients diagnosed with HPV-driven OPC and treated with curative intent between 2007 and 2009 and 2011-2016 at Gustave Roussy cancer center were included (n = 282)...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909886/national-treatment-times-in-oropharyngeal-cancer-treated-with-primary-radiation-or-chemoradiation
#5
Elliot Morse, Benjamin Judson, Zain Husain, Barbara Burtness, Wendell Yarbrough, Clarence Sasaki, Shayan Cheraghlou, Saral Mehra
OBJECTIVE: To characterize treatment delays in oropharyngeal cancer treated with radiation in a national sample, identify factors associated with delays, and associate treatment delays with survival. MATERIALS AND METHODS: We included adults in the National Cancer Database treated for oropharyngeal cancer with primary radiation or chemoradiation 2010-2013. We characterized diagnosis-to-treatment initiation, radiation treatment duration, and diagnosis-to-treatment end intervals as medians...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909884/biomarkers-for-early-identification-of-recurrences-in-hpv-driven-oropharyngeal-cancer
#6
REVIEW
Haitham Mirghani, Krystle A Lang Kuhs, Tim Waterboer
One of the major concerns in oncology lies in the ability to detect recurrences at their earliest stage to increase the likelihood of cure following second line, or salvage, therapy. Although human papillomavirus (HPV)-driven oropharyngeal cancers have a good prognosis, 20-25% of patients will recur within 5 years of treatment and a significant portion will die from their disease. In recent years, great effort has been put toward evaluating the potential clinical utility of HPV-related biomarkers for early diagnosis of recurrent disease...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29907681/case-studies-of-gastric-lung-and-oral-cancer-connect-etiologic-agent-prevalence-to-cancer-incidence
#7
Andrew F Brouwer, Marisa C Eisenberg, Rafael Meza
Obtaining detailed individual-level data on both exposure and cancer outcomes is challenging, and it is difficult to understand and characterize how temporal aspects of exposures translate into cancer risk. We show that, in lieu of individual-level information, population-level data on cancer incidence and etiologic agent prevalence can be leveraged to investigate cancer mechanisms and to better characterize and predict cancer trends. We use mechanistic carcinogenesis models [multistage clonal expansion (MSCE) models] and data on smoking, Helicobacter pylori ( H...
June 15, 2018: Cancer Research
https://www.readbyqxmd.com/read/29905354/-hpv-a-different-view-on-head-and-neck-cancer
#8
Claus Wittekindt, Steffen Wagner, Shachi Jenny Sharma, Nora Würdemann, Jennifer Knuth, Henrike Reder, Jens Peter Klußmann
Head and neck cancer is the sixth most common cancer with over 500000 annually reported incident cases worldwide. Besides major risk factors tobacco and alcohol, oropharyngeal squamous cell carcinomas (OSCC) show increased association with human papillomavirus (HPV). HPV-associated and HPV-negative OSCC are 2 different entities regarding biological characteristics, therapeutic response, and patient prognosis. In HPV OSCC, viral oncoprotein activity, as well as genetic (mutations and chromosomal aberrations) and epigenetic alterations plays a key role during carcinogenesis...
March 2018: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/29898090/oral-and-oropharyngeal-cancer-epidemiology-and-survival-analysis
#9
Juliana da Silva Moro, Marília Cunha Maroneze, Thiago Machado Ardenghi, Luisa Machado Barin, Cristiane Cademartori Danesi
OBJECTIVE: To evaluate the epidemiological profile and survival rate of oral and oropharyngeal cancer patients seen at a university hospital. METHODS: A cross-sectional study was carried out by means of the pathological reports of patients with oral and oropharyngeal cancer, seen at a university hospital of the Southern Region, between January 2004 and December 2014. Information was collected on patients and tumors. The mortality rate was gathered from the patient death registry in the Mortality Information System...
June 7, 2018: Einstein
https://www.readbyqxmd.com/read/29895155/usp15-inhibits-hpv16-e6-degradation-and-catalytically-inactive-usp15-has-reduced-inhibitory-activity
#10
Y Yaginuma, M Yoshimoto, A Tokuda
High-risk human papillomaviruses (HPVs) possess transforming activity leading to development of the cancer, including oropharyngeal, anal, penile, vulvar, vaginal, and cervical cancer. The stability of E6 is essential for its complete function as an oncoprotein. Using the yeast two-hybrid system, we identified ubiquitin-specific protease 15 (USP15) as an HPV16 E6-interacting protein. USP15 cleaves polyubiquitin chains of HPV16 E6 and/or ubiquitin precursors. Our results indicate that USP15 could increase the level of HPV16 E6 by inhibiting E6 degradation...
2018: Acta Virologica
https://www.readbyqxmd.com/read/29887186/head-and-neck-squamous-cell-carcinoma-in-people-living-with-hiv-in-france
#11
A Picard, L Arowas, L Piroth, I Heard, T Ferry
OBJECTIVES: Head and neck squamous cell carcinoma (HNSCC), mainly due to smoking, is one of the leading causes of cancer deaths. However, an increasing number of tumors - especially oropharyngeal cancer - are reported in non-smokers in association with the human papillomavirus (HPV). As HIV-infected individuals are particularly at risk of HPV-related disease, we aimed to describe the burden of HNSCC in this population. METHODS: Retrospective chart review of patients from HIV clinics diagnosed with HNSCC between 2004 and 2014...
June 7, 2018: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/29884604/human-papillomavirus-and-oropharyngeal-cancer-among-indigenous-australians-protocol-for-a-prevalence-study-of-oral-related-human-papillomavirus-and-cost-effectiveness-of-prevention
#12
Lisa Jamieson, Gail Garvey, Joanne Hedges, Amanda Mitchell, Terry Dunbar, Cathy Leane, Isaac Hill, Kate Warren, Alex Brown, Xiangqun Ju, David Roder, Richard Logan, Newell Johnson, Megan Smith, Annika Antonsson, Karen Canfell
BACKGROUND: Oropharyngeal cancer is an important, understudied cancer affecting Aboriginal and Torres Strait Islander Australians. The human papillomavirus (HPV) is a significant risk factor for oropharyngeal cancer. Current generation HPV vaccines are effective against the 2 most common types of high-risk HPVs in cancer (hrHPVs 16/18). OBJECTIVES: This study aims (1) to yield population estimates of oncogenic genotypes of HPV in the mouth and oropharynx of defined Aboriginal and Torres Strait Islander populations; (2) to estimate the proportion of oropharyngeal cancer attributable to HPV among these Australian citizens; (3) to estimate the impact of HPV vaccination as currently implemented on rates of oropharyngeal cancer among Aboriginal and Torres Strait Islander Australians; and (4) taking into account impact on oropharyngeal as well as cervical cancer, to evaluate efficacy and cost-effectiveness of targeted extended HPV vaccination to older ages, among our study population...
June 8, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29884419/predictors-of-oropharyngeal-cancer-survival-in-europe
#13
D Anantharaman, A Billot, T Waterboer, T Gheit, B Abedi-Ardekani, P Lagiou, A Lagiou, W Ahrens, I Holcátová, F Merletti, K Kjaerheim, J Polesel, L Simonato, L Alemany, M Mena Cervigon, T V Macfarlane, A Znaor, P J Thomson, M Robinson, C Canova, D I Conway, S Wright, C M Healy, M E Toner, M Pawlita, M Tommasino, P Brennan
OBJECTIVES: HPV16-positive oropharyngeal cancer (OPC) patients experience better outcomes compared to HPV16-negative patients. Currently, strategies for treatment de-escalation are based on HPV status, smoking history and disease stage. However, the appropriate cut-point for smoking and the role of other non-clinical factors in OPC survival remains uncertain. MATERIALS AND METHODS: We examined factors associated with OPC outcome in 321 patients recruited in a large European multi-center study...
June 2018: Oral Oncology
https://www.readbyqxmd.com/read/29884414/a-clinical-prognostic-model-compared-to-the-newly-adopted-uicc-staging-in-an-independent-validation-cohort-of-p16-negative-positive-head-and-neck-cancer-patients
#14
Jacob H Rasmussen, Katrin Håkansson, Gregers B Rasmussen, Ivan R Vogelius, Jeppe Friborg, Barbara M Fischer, Søren M Bentzen, Lena Specht
OBJECTIVES: A previously published prognostic model in patients with head and neck squamous cell carcinoma (HNSCC) was validated in both a p16-negative and a p16-positive independent patient cohort and the performance was compared with the newly adopted 8th edition of the UICC staging system. MATERIALS AND METHODS: Consecutive patients with HNSCC treated at a single institution from 2005 to 2012 were included. The cohort was divided in three. 1.) Training cohort, patients treated from 2005 to 2009 excluding patients with p16-positive oropharyngeal squamous cell carcinomas (OPSCC); 2...
June 2018: Oral Oncology
https://www.readbyqxmd.com/read/29881332/an-automated-microfluidic-assay-for-photonic-crystal-enhanced-detection-and-analysis-of-an-antiviral-antibody-cancer-biomarker-in-serum
#15
Caitlin M Race, Lydia E Kwon, Myles T Foreman, Qinglan Huang, Hakan Inan, Sailaja Kesiraju, Phuong Le, Sung Jun Lim, Andrew M Smith, Richard C Zangar, Utkan Demirci, Karen S Anderson, Brian T Cunningham
We report on the implementation of an automated platform for detecting the presence of an antibody biomarker for human papillomavirus-associated oropharyngeal cancer from a single droplet of serum, in which a nanostructured photonic crystal surface is used to amplify the output of a fluorescence-linked immunosorbent assay. The platform is comprised of a microfluidic cartridge with integrated photonic crystal chips that interfaces with an assay instrument that automates the introduction of reagents, wash steps, and surface drying...
February 15, 2018: IEEE Sensors Journal
https://www.readbyqxmd.com/read/29880568/pop-brazil-study-protocol-a-nationwide-cross-sectional-evaluation-of-the-prevalence-and-genotype-distribution-of-human-papillomavirus-hpv-in-brazil
#16
Eliana Marcia Wendland, Juliana Caierão, Carla Domingues, Ana Goretti Kalume Maranhão, Flávia Moreno Alves de Souza, Luciano Serpa Hammes, Maicon Falavigna, Juliana Balbinot Hilgert, Fernando Neves Hugo, Marina Bessel, Luisa Lina Villa, Adele Schwartz Benzaken
INTRODUCTION: Human papillomavirus (HPV) is associated with the development of genital warts and different types of cancer, including virtually all cervical cancers and a considerable number of penile, anal and oropharyngeal cancers. Data regarding the prevalence of HPV infection in Brazil are limited and fragmented. We aim to determine HPV prevalence in sexually active women and men aged 16-25 years and to investigate regional differences in virus prevalence and types. METHODS AND ANALYSIS: This is a nationwide, multicentric, cross-sectional, prospective study that will include participants aged 16-25 years from all Brazilian capital cities...
June 7, 2018: BMJ Open
https://www.readbyqxmd.com/read/29879932/deep-sequencing-of-human-papillomavirus-positive-loco-regionally-advanced-oropharyngeal-squamous-cell-carcinomas-reveals-novel-mutational-signature
#17
Christian Grønhøj, David H Jensen, Tina Agander, Katalin Kiss, Estrid Høgdall, Lena Specht, Frederik Otzen Bagger, Finn Cilius Nielsen, Christian von Buchwald
BACKGROUND: The genetic profile for human papilloma virus positive (HPV+) oropharyngeal squamous cell carcinomas (OPSCC) remains largely unknown. The purpose of this study was to sequence tissue material from a large cohort of locoregionally-advanced HPV+ OPSCCs. METHODS: We performed targeted deep sequencing of 395 cancer-associated genes in 114 matched tumor/normal loco-regionally advanced HPV+ OPSCCs. Mutations and copy number aberrations were determined. RESULTS: We identified a total of 3459 mutations with an average of 10 mutations per megabase and a median of 28 variants per sample...
June 7, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29878444/salivary-secretion-in-health-and-disease
#18
REVIEW
Anne Marie Lynge Pedersen, Christiane E Sørensen, Gordon B Proctor, Guy H Carpenter, Jörgen Ekström
Saliva is a complex fluid produced by three pairs of major salivary glands and by hundreds of minor salivary glands. It comprises a large variety of constituents and physicochemical properties, which are important for the maintenance of oral health. Saliva not only protects the teeth and the oropharyngeal mucosa, it also facilitates articulation of speech, and is imperative for mastication and swallowing. Furthermore, saliva plays an important role in maintaining a balanced microbiota. Thus, the multiple functions provided by saliva are essential for proper protection and functioning of the body as a whole and for the general health...
June 7, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29878161/prognostic-role-of-p16-in-nonoropharyngeal-head-and-neck-cancer
#19
Alex K Bryant, Elena J Sojourner, Lucas K Vitzthum, Kaveh Zakeri, Hanjie Shen, Cammie Nguyen, James D Murphy, Joseph A Califano, Ezra E W Cohen, Loren K Mell
Background: Previous studies have reported conflicting information regarding the prognostic role of p16 in nonoropharyngeal head and neck squamous cell carcinoma (HNSCC). Methods: Using the US Veterans Affairs database, we analyzed 1448 patients with locoregionally advanced HNSCC and known p16 status diagnosed between 2005 and 2015 and treated with surgery, radiotherapy, or chemoradiotherapy. Tumor p16 status was determined through manual review of pathology reports of primary tumor specimens...
June 5, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29873841/cytology-and-direct-hpv-testing-on-fine-needle-aspirates-from-cervical-lymph-node-metastases-of-patients-with-oropharyngeal-squamous-cell-carcinoma-or-occult-primary
#20
Francesca Rollo, Maria Gabriella Dona', Raul Pellini, Barbara Pichi, Ferdinando Marandino, Renato Covello, Maria Benevolo
OBJECTIVE: Cervical lymph node Fine Needle Aspirates (FNAs) may represent the only specimens available for an initial characterization of patients with lymphadenopathy. Morphology and HPV-DNA presence were evaluated in FNAs collected from patients with oropharyngeal cancer (OPSCC) or cancer of unknown primary (CUP). FNA HPV results were compared with those of the respective formalin-fixed paraffin-embedded (FFPE) primary cancer. METHODS: Liquid-based cytology was performed on FNAs collected in PreservCyt...
June 6, 2018: Cytopathology: Official Journal of the British Society for Clinical Cytology
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