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https://www.readbyqxmd.com/read/28109473/competing-causes-of-death-in-the-head-and-neck-cancer-population
#1
Sean T Massa, Nosayaba Osazuwa-Peters, Kara M Christopher, Lauren D Arnold, Mario Schootman, Ronald J Walker, Mark A Varvares
PURPOSE/OBJECTIVES: The increasing survivorship of head and neck squamous cell carcinoma (HNSCC) comes with a risk of death from other causes, known as competing causes. The demographics of HNSCC are also evolving with increasing incidence of Human Papillomavirus (HPV) associated tumors. This study describes competing causes of death for the HNSCC population compared to the general population and identifies associated risk factors. METHODS: Adult patients with first mucosal HNSCC (2004-2011) were identified from the Surveillance, Epidemiology and End Result database...
February 2017: Oral Oncology
https://www.readbyqxmd.com/read/28109028/breadth-of-t-cell-responses-after-immunization-with-adenovirus-vectors-encoding-ancestral-antigens-or-polyvalent-papillomavirus-antigens
#2
Emeline Ragonnaud, Anders Gorm Pedersen, Peter Johannes Holst
Oncogenic human papillomaviruses (HPVs) are in most cases eliminated by intervention of T cells. As many other pathogens, these oncogenic HPVs belong to an ancient and diverse virus family. Therefore, we found it relevant to investigate the potential and limitations of inducing a broad response - either by inducing cross-reactive T cells or by administering a polyvalent vaccine. To test these strategies, we designed 3 ancestral and 2 circulating sequences based on the two domains of the E1 and E2 proteins of papillomaviruses (PVs) that exhibit the highest degree of conservation in comparison to the other PV proteins...
January 21, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28108997/risk-of-high-grade-precancerous-lesions-and-invasive-cancers-in-high-risk-hpv-positive-women-with-normal-cervix-or-cin-1-at-baseline-a-population-based-cohort-study
#3
Srabani Mittal, Partha Basu, Richard Muwonge, Dipanwita Banerjee, Ishita Ghosh, Mitali Mukherjee Sengupta, Pradip Das, Priatosh Dey, Ranajit Mandal, Chinmay Panda, Jaydip Biswas, Rengaswamy Sankaranarayanan
Infection with High-risk Human Papillomavirus (HR-HPV) is transient and clears on its own in majority of the women. Only a few women who have persistent infection may finally develop Cervical Intraepithelial Neoplasia (CIN) or cervical cancer in later years. The risk of progression in the HR-HPV positive women with normal cervix or low grade lesion on colposcopy and histopathology at baseline is less studied. We performed a longitudinal study on 650 HR-HPV positive women with colposcopy and/or histopathology proved normal or CIN1 diagnosis at baselineto assess the cumulative risk of development of high-grade CIN...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28108990/geographic-heterogeneity-in-the-prevalence-of-human-papillomavirus-in-head-and-neck-cancer
#4
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/28108212/do-educational-seminars-for-the-human-papillomavirus-vaccine-improve-attitudes-toward-the-value-of-vaccination
#5
Kay Roussos-Ross, L Foster, H V Peterson, Julie Decesare
STUDY OBJECTIVE: This study aimed to determine the effectiveness and impact of educational seminars given at two sites in North-Central Florida on the knowledge of human papillomavirus (HPV), perceived barriers to HPV vaccination, and willingness to vaccinate against HPV in eligible patients. DESIGN, SETTING, AND PARTICIPANTS: This study was performed in conjunction with the Committee for the Healthcare of Underserved Women, District XII, American College of Obstetrics and Gynecology (ACOG)...
January 17, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28107544/cutaneous-hpv8-and-mmupv1-e6-proteins-target-the-notch-and-tgf-%C3%AE-tumor-suppressors-to-inhibit-differentiation-and-sustain-keratinocyte-proliferation
#6
Jordan M Meyers, Aayushi Uberoi, Miranda Grace, Paul F Lambert, Karl Munger
Cutaneous beta-papillomaviruses are associated with non-melanoma skin cancers that arise in patients who suffer from a rare genetic disorder, Epidermodysplasia verruciformis (EV) or after immunosuppression following organ transplantation. Recent studies have shown that the E6 proteins of the cancer associated beta human papillomavirus (HPV) 5 and HPV8 inhibit NOTCH and TGF-β signaling. However, it is unclear whether disruption of these pathways may contribute to cutaneous HPV pathogenesis and carcinogenesis...
January 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28105346/human-papillomavirus-is-a-favourable-prognostic-factor-in-cancer-of-unknown-primary-in-the-head-and-neck-region-and-in-hypopharyngeal-cancer
#7
Lars Sivars, Cinzia Bersani, Nathalie Grün, Torbjörn Ramqvist, Eva Munck-Wikland, Christian Von Buchwald, Tina Dalianis
Human papillomavirus (HPV), in addition to smoking and alcohol, is a cause of oropharyngeal squamous cell carcinoma (OPSCC), particularly of the tonsils and base of the tongue (TSCC and BOTSCC, respectively). Moreover, HPV-positive TSCC and BOTSCC are associated with a better outcome compared with their HPV-negative counterparts (80 vs. 40% 3-year disease-free survival rate, respectively) and their incidence has increased in several countries. Recently, accumulating evidence of HPV in a considerable proportion of cancers of unknown primary (CUP) in the head and neck region and in a small proportion of hypopharyngeal SCCs has been reported...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28103272/prevalence-and-determinants-of-oral-human-papillomavirus-infection-in-500-young-adults-from-italy
#8
Valentina Lupato, Dana Holzinger, Daniela Höfler, Anna Menegaldo, Paolo Giorgi Rossi, Annarosa Del Mistro, Maria Cristina Da Mosto, Michael Pawlita, Paolo Boscolo-Rizzo
Although the prevalence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) is increasing in developed countries and becoming a relevant health issue, the natural history of oral HPV infection is still unclear. Estimating the infection's prevalence in specific populations and identifying risk factors can widen our understanding of its natural history and help to delineate appropriate prevention strategies. This study sought to (i) determine oral HPV prevalence and genotype distribution in a large series of young Italian adults, (ii) validate an oral rinse sampling/storage protocol, and (iii) pinpoint factors associated with oral HPV infection...
2017: PloS One
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
#9
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/28100761/the-acceptability-of-self-sampled-screening-for-hpv-dna-a-systematic-review-and-meta-analysis
#10
REVIEW
Erik J Nelson, Brandy R Maynard, Travis Loux, Jessica Fatla, Rebecca Gordon, Lauren D Arnold
OBJECTIVE: To examine whether or not self-sampled cervical screening for human papillomavirus (HPV) DNA is acceptable and if women prefer self-sampling to clinician-based sampling. DESIGN: Systematic review and meta-analysis. DATA SOURCES: Thirty-seven primary studies obtained through a comprehensive search of six electronic bibliographic databases from 1986 to 2014 and other sources. Search keywords included HPV, screening, DNA testing, vaginal testing, self-collected specimen, self-collected sample, self-sampling, self-screening, preferences and acceptability...
February 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28100625/the-ptpn14-tumour-suppressor-is-a-degradation-target-of-human-papillomavirus-e7
#11
Anita Szalmás, Vjekoslav Tomaić, Om Basukala, Paola Massimi, Suruchi Mittal, József Kónya, Lawrence Banks
: Activation of signalling pathways ensuring cell growth are essential for the proliferative competence of human papillomavirus (HPV)-infected cells. Tyrosine kinases and phosphatases are key regulators of cellular growth control pathways. A recently identified potential cellular target of HPV E7 is the cytoplasmic protein tyrosine phosphatase PTPN14, which is a potential tumour suppressor and is linked to the control of the Hippo and Wnt/beta-catenin signalling pathways. In this study we show that the E7 proteins of both high-risk and low-risk mucosal HPV types can interact with PTPN14...
January 18, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28100412/virome-of-us-bovine-calf-serum
#12
Mohammadreza Sadeghi, Beatrix Kapusinszky, Danielle M Yugo, Tung Gia Phan, Xutao Deng, Isis Kanevsky, Tanja Opriessnig, Amelia R Woolums, David J Hurley, Xiang-Jin Meng, Eric Delwart
Using viral metagenomics we analyzed four bovine serum pools assembled from 715 calves in the United States. Two parvoviruses, bovine parvovirus 2 (BPV2) and a previously uncharacterized parvovirus designated as bosavirus (BosaV), were detected in 3 and 4 pools respectively and their complete coding sequences generated. Based on NS1 protein identity, bosavirus qualifies as a member of a new species in the copiparvovirus genus. Also detected were low number of reads matching ungulate tetraparvovirus 2, bovine hepacivirus, and several papillomaviruses...
January 15, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28100371/-changes-in-genotype-prevalence-of-human-papillomavirus-over-10-year-follow-up-of-a-cervical-cancer-screening-cohort
#13
L Dong, S Y Hu, Q Zhang, R M Feng, L Zhang, X L Zhao, J F Ma, S D Shi, X Zhang, Q J Pan, W H Zhang, Y L Qiao, F H Zhao
Objective: To evaluate the dynamic variation of genotypes distribution of human papillomavirus (HPV) over 10-year follow-up in a cervical cancer screening cohort. Methods: Based on the Shanxi Province Cervical Cancer Screening Study Ⅰ cohort, we detected HPV genotypes on the well-preserved exfoliated cervical cells from women who were tested HPV positive from year 2005 to year 2014 using reverse linear probe hybridization assay. The changes of prevalence of type-specific HPV over time among the overall population were estimated using linear mixed models...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28100295/physical-state-and-copy-numbers-of-hpv16-in-oral-asymptomatic-infections-that-persisted-or-cleared-during-the-six-year-follow-up
#14
Adriana Lorenzi, Jaana Rautava, Katja Kero, Kari Syrjänen, Adhemar Longatto-Filho, Seija Grenman, Stina Syrjänen
Persistent human papillomavirus (HPV) infection is a key event in HPV-induced carcinogenesis. As part of the prospective Finnish Family HPV Study, we analyzed the physical state and viral copy numbers of HPV16 in asymptomatic oral infections that either persisted or cleared during six-year follow-up. The persistor group comprised 14 women and seven men with 51 and 21 HPV16-positive brush samples. The clearance group included 41 women and 13 men, with 64 and 24 samples, respectively. Physical state and viral DNA load was assessed by using quantitative PCR for HPV16E2 and E6 genes...
January 18, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28099704/high-risk-human-papillomavirus-infection-clearance-following-conization-among-patients-with-cervical-intraepithelial-neoplasm-grade-3-aged-at-least-45%C3%A2-years
#15
Guorui Zhang, Jinghe Lang, Keng Shen, Lan Zhu, Yang Xiang
OBJECTIVE: To investigate high-risk human papillomavirus (HPV) infection clearance rates following successful cold knife conization and factors predictive of HPV clearance among patients with cervical intraepithelial neoplasm grade 3. METHOD: The present retrospective study analyzed clinical data from patients aged at least 45 years with cervical intraepithelial neoplasm grade 3 who had undergone successful cold knife conization and attended regular follow-up at Peking Union Medical College Hospital, China, between January 1, 2002 and December 31, 2012...
January 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28099703/prevalence-and-3-year-persistence-of-human-papillomavirus-serotypes-in-asymptomatic-patients-in-northern-mexico
#16
Oscar R Fajardo-Ramírez, María C Barboza-Cerda, Rocío Ortiz-López, Augusto Rojas-Martínez, María L Garza-Rodríguez, Abel Sepúlveda-Flores, Juan F González-Guerrero, Sofía Bernal-Silva, Ricardo M Cerda-Flores, Itzel E Calleja-Macías, Socorro Rodríguez-Flores, Esthela Sandoval-Guzmán, Teresa Plascencia-Solis, Patricia Pérez-Reyes, Jesús Z Villarreal, Hugo A Barrera-Saldaña
OBJECTIVE: To investigate clinical outcomes and 3-year persistence of human papillomavirus (HPV) infections among women in Mexico. METHODS: A prospective study enrolled sexually active women attending primary healthcare clinics in metropolitan Monterrey, Mexico, between June 3 and August 30, 2002. Baseline data were collected and participants underwent HPV screening. Patients with HPV infections were asked to attend a repeat screening appointment after 3 years, when the same screening data were gathered...
January 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28098569/human-papillomavirus-genotyping-of-incidental-malignant-and-premalignant-lesions-on-hemorrhoidectomy-specimens
#17
Yiang Hui, M Ruhul Quddus, Jayasimha N Murthy, Dongfang Yang, C James Sung, Shaolei Lu, Murray B Resnick, Li Juan Wang
Routine histopathologic examination of hemorrhoidectomy specimens is controversial having been described as not useful and expensive with few of these common cases demonstrating incidental lesions. However, unexpected premalignant and malignant lesions have been detected on excised hemorrhoids. The high-risk human papillomavirus (HR-HPV) types associated with these incidentally identified high-grade lesions are presently unknown. We aimed to identify cases of incidental high-grade anal intraepithelial neoplasia (HG-AIN) and anal squamous cell carcinoma incidentally discovered on hemorrhoidectomy specimens, genotype HR-HPVs from these lesions, and assess p53 and p16 expression by immunohistochemistry to identify risk factors for their development...
January 16, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28096198/comparison-of-triage-strategies-for-hpv-positive-women-canadian-cervical-cancer-screening-trial-results
#18
Sandra Dakdouk Isidean, Marie-Hélène Mayrand, Agnihotram V Ramanakumar, Isabel Rodrigues, Alex Ferenczy, Sam Ratnam, François Coutlée, Eduardo L Franco
BACKGROUND: High-risk human papillomavirus (HR-HPV) testing has become a preferred cervical cancer screening strategy in some countries due to its superior sensitivity over cytology-based methods for identifying cervical intraepithelial neoplasia of grade 2 or worse (CIN2+). Improved sensitivity has been accompanied by reductions in specificity and concerns regarding over-screening and over-treatment of women with transient or non-progressing HR-HPV infections. Triage of HR-HPV+ women to colposcopy is, thus, warranted for appropriate management and treatment...
January 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28095444/the-role-of-dct-in-hpv16-infection-of-hacats
#19
Pınar Aksoy, Patricio I Meneses
Persistent infection with high-risk human papillomavirus (HPV) genotype is a major factor leading to many human cancers. Mechanisms of HPV entry into host cells and genome trafficking towards the nucleus are incompletely understood. Dopachrome tautomerase (DCT) was identified as a cellular gene required for HPV infection in HeLa cells on a siRNA screen study. Here, we confirm that DCT knockdown significantly decreases HPV infection in the human keratinocyte HaCaT cells as was observed in HeLas. We investigated the effects of DCT knockdown and found that DCT depletion caused increased reactive oxygen species (ROS) levels, DNA damage and altered cell cycle in HaCaT cells...
2017: PloS One
https://www.readbyqxmd.com/read/28094077/human-papillomavirus-vaccine-series-completion-in-boys-before-and-after-recommendation-for-routine-immunization
#20
Bradley Ackerson, Rulin Hechter, Margo Sidell, Lina S Sy, Jeffrey Slezak, Chun Chao, Nilesh Patel, Hung-Fu Tseng, Steven Jacobsen
BACKGROUND: Although the incidence of HPV-attributable cancers in males is rapidly increasing, HPV vaccine uptake in males remains poor. While quadrivalent human papillomavirus vaccine (4vHPV) series initiation in males increased following the Advisory Committee Immunization Practices (ACIP) male routine use recommendation, its impact on 4vHPV series completion in males at ACIP-recommended intervals has not been evaluated in large male cohorts. We examined trends and correlates of 4vHPV completion since licensure in males in a large cohort of insured boys before and after the ACIP routine use recommendation...
January 13, 2017: Vaccine
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