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HPV type 11

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https://www.readbyqxmd.com/read/28799537/hpv-16-in-a-distinct-subset-of-oral-epithelial-dysplasia
#1
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/28789851/antibody-persistence-and-evidence-of-immune-memory-at-5years-following-administration-of-the-9-valent-hpv-vaccine
#2
Ana Guevara, Robinson Cabello, Linn Woelber, Edson Duarte Moreira, Elmar Joura, Olaf Reich, Christine Shields, Misoo C Ellison, Amita Joshi, Alain Luxembourg
BACKGROUND: The 9-valent HPV (9vHPV) vaccine was developed to prevent infection and disease related to 9 HPV types (HPV6/11/16/18/31/33/45/52/58) which cause approximately 90% of cervical cancers, HPV-related vulvar, vaginal and anal cancers, and genital warts worldwide. In a pivotal efficacy study, the 9vHPV vaccine prevented infection and disease due to the 9 vaccine types. Duration of protection remains to be determined. Vaccines that induce long-term protection are generally characterized by the generation of immune memory...
August 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28783858/detection-of-high-risk-human-papillomavirus-in-cervix-sample-in-an-11-3-year-follow-up-after-vaccination-against-hpv-16-18
#3
Cirbia Silva Campos Teixeira, Julio Cesar Teixeira, Eliane Regina Zambelli Mesquita Oliveira, Helymar Costa Machado, Luiz Carlos Zeferino
Purpose the aim of this study was to evaluate the pattern of human papillomavirus (HPV) detection in an 11.3-year post-vaccination period in a cohort of adolescent and young women vaccinated or not against HPV 16/18. Methods a subset of 91 women from a single center participating in a randomized clinical trial (2001-2010, NCT00689741/00120848/00518336) with HPV 16/18 AS04-adjuvanted vaccine was evaluated. All women received three doses of the HPV vaccine (n = 48) or a placebo (n = 43), and cervical samples were collected at 6-month intervals...
August 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28771777/high-risk-papillomavirus-infection-among-women-living-with-human-immunodeficiency-virus-brazilian-multicentric-study
#4
Angelica E Miranda, Mariangela F Silveira, Ana Gabriela Travassos, Teresinha Tenório, Isabel Cristina Chulvis do Val, Leonor de Lannoy, Hortensio Simões de Mattos Junior, Newton Sergio de Carvalho
BACKGROUND: Cervical cancer is an important health issue in Latin America. Although HPV infections can have spontaneous clearance, persistence of high-risk (HR) HPV is a risk factor for cervical cancer among women and it is even higher in HIV-infected women. OBJECTIVES: to determine the prevalence of HR-HPV and risk factors among HIV-infected women attending reference services for HIV/AIDS in different regions of Brazil. METHODS: Cross-sectional study conducted among HIV-infected women attended at referral care centers for HIV/AIDS in nine states of Brazil...
August 3, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28770246/distinct-clinico-immunological-profile-of-patients-infected-with-human-papilloma-virus-genotypes-6-and-11
#5
Manjula Singh, Deepshi Thakral, Hemanta Kumar Kar, Narayan Rishi, Prafulla Kumar Sharma, Dipendra Kumar Mitra
Anogenital warts are primarily caused by Human Papillomavirus (HPV) type 6 and 11, which belong to the taxonomic family Papillomaviridae, genus alpha-papillomavirus and species 10. The presentation of the warts is varied and most of the patients have high recurrence rate of wart lesions. Studies had shown that an effective cellular immune response is required for the control of HPV infection. Here, we report distinct clinico-immunological profile of two patients presenting with venereal warts caused by HPV genotypes 6 and 11...
June 2017: Virusdisease
https://www.readbyqxmd.com/read/28770238/functional-characterization-of-cd4-and-cd8-t-cell-responses-among-human-papillomavirus-infected-patients-with-ano-genital-warts
#6
Manjula Singh, Deepshi Thakral, Narayan Rishi, Hemanta Kumar Kar, Dipendra Kumar Mitra
Ano-genital warts are considered one of the commonest and highly infectious sexually transmitted infections. These warts are primarily caused by the human papillomavirus (HPV) of the family Papillomaviridae, genus alpha-papillomavirus, species 10 and types 6 and 11. However the high recurrence rate of warts is a matter of serious concern to the patients and a challenge for the treating physician. The conventional treatment options are targeted only to the local site of warts. There is no systemic treatment modality as there is limited understanding of the disease immune-pathogenesis...
June 2017: Virusdisease
https://www.readbyqxmd.com/read/28767426/human-papillomavirus-16l1-58l2-chimeric-virus-like-particles-elicit-durable-neutralizing-antibody-responses-against-a-broad-spectrum-of-human-papillomavirus-types
#7
Xue Chen, Hongyang Liu, Zhirong Wang, Shuo Wang, Ting Zhang, Meili Hu, Liang Qiao, Xuemei Xu
The neutralizing antibodies elicited by human papillomavirus (HPV) major capsid protein L1 virus-like particle (VLP)-based vaccines are largely type-specific. An HPV vaccine inducing cross-neutralizing antibodies broadly will be cost-effective and of great value. To this end, we constructed HPV16L1-58L2 chimeric VLP (cVLP) by displaying HPV58 L2 aa.16-37 on the DE surface region of HPV16 L1. We found that vaccination with the HPV16L1-58L2 cVLP formulated with alum plus monophosphoryl lipid A (Alum-MPL) adjuvant elicited robust neutralizing antibodies in both mice and rabbits against all tested HPV types including HPV16/31/33/35/52/58 (genus α9), HPV18/39/45/59/68 (genus α7), HPV6/11 (genus α10), HPV2/27/57 (genus α4), and HPV5 (genus β1)...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28749644/the-cost-effectiveness-of-quadrivalent-human-papillomavirus-vaccination-in-indonesia
#8
Soewarta Kosen, Andrijono Andrijono, Dwiana Ocviyanti, Wresti Indriatmi
Objective: National cervical cancer prevention program has been initiated in Indonesia since April 2015 and the ministry of health has started efforts to integrate the HPV Vaccine in the national immunization program since Q4 2015. Thus, it becomes important to analyze the cost-effectiveness of HPV vaccine. The objective of this model is to examine the potential long-term epidemiologic and economic impact of quadrivalent HPV(qHPV;6/11/16/18) vaccination program in Indonesia. Methods: A previously validated transmission dynamic model was used to estimate the long-term epidemiologic and economic consequences of quadrivalent HPV vaccination by comparing cost-effectiveness of 2 dose qHPV vaccination strategy for girls 11-12 years old (with or without catch up; catch up dose for 12–26 years) versus Screening Only (Pap Smear) for reducing cost related to HPV type 6,11,16,18 (cervical cancer, CIN 1, CIN 2/3, and genital warts)...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749128/distribution-characteristics-of-human-papillomavirus-infection-a-study-based-on-data-from-physical-examination
#9
Xiao Hui Zhou, Yan Feng Shi, Li Jie Wang, Mei Liu, Fang Li
Objective: Human papillomavirus (HPV) is the primary cause of cervical cancer. The purpose of this study was to investigate the prevalence and type distribution of HPV DNA positive in women undergoing routine physical examination. Methods: 2,452 women were enrolled between March and November 2013. Participants were tested for 23 HPV types using polymerase chain reaction (PCR) and reverse dot blot hybridization. HPV DNA detection prevalence was estimated in different age groups. Results: Mean age (SD) of study participants was 47...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749118/prevalence-of-human-papillomavirus-infection-in-breast-cancer-cells-from-thai-women
#10
Jarunya Ngamkham, Anant Karalak, Akrom Chaiwerawattana, Adisak Sornprom, Somchai Thanasutthichai, Saowakorn Sukarayodhin, Maneerut Mus-u-Dee, Krittika Boonmark, Thainsang Phansri, Nattapon Laochan
Breast cancer is the leading female cancer worldwide and is the most frequently diagnosed in Thai women. Its potential etiologic has not been clearly identified. Several recent reports could detect human papillomavirus (HPV) infection in breast cancer or benign breast lesions. HPV infection considered suggests being one of many risk factors for cancer development. The aim of this study was to determine the frequency of HPV infection in both breast cancer and benign breast lesion/tumor tissues. Seven hundred samples from Thai women were collected during 2013-2015 and statistically correlation between HPV infection, sociodemographic and histopathological parameters were also analyzed...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28732044/the-prognostic-impact-of-human-papillomavirus-status-following-treatment-failure-in-oropharyngeal-cancer
#11
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/28727989/oral-papillomatosis-in-immunocompromised-patients-a-case-series-of-kidney-transplant-recipients-and-myelodysplastic-syndrome
#12
Eun-Jung Kwak, Yun Hee Choi, Wonse Park, Eunae Sandra Cho
Solitary papilloma is a human papillomavirus (HPV)-induced benign indolent epithelial tumor with limited growth, whereas papillomatosis is an entirely different entity. Papillomatosis requires attention because of its aggressive and recurrent clinical progress with risks of dysplastic and malignant transformation. Recurrent respiratory papillomatosis (RRP) has a high prevalence of dysplasia and reports of transformation to carcinoma-ex-papillomatosis, especially when associated with low-risk HPV type 11. Although papillomatosis seldom occurs in the oral cavity, this report describes 3 cases of oral papillomatosis in immunocompromised patients, with 1 case identified as having HPV type 11...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28723690/distribution-of-human-papillomavirus-genotypes-among-women-in-mashhad-iran
#13
Eskandar Taghizadeh, Forough Taheri, Hamed Abdolkarimi, Pedram Ghorbani Renani, Seyed Mohammad Gheibi Hayat
OBJECTIVE: Cervical cancer is the third most common malignancy in females. Since the human papillomavirus (HPV) genotype can vary geographically, it is essential to define its genotypic distribution before establishing health care policies and vaccination programs in any given area. The aim of this study was to determine the frequency of HPV types in women in Mashhad, Iran. METHODS: We used nested PCR and reverse dot-blot hybridization for genotyping. The study included 143 cervical cytology samples from Mashhad with confirmed papillomavirus infection by molecular methods...
July 20, 2017: Intervirology
https://www.readbyqxmd.com/read/28720442/impact-of-baseline-covariates-on-the-immunogenicity-of-the-9-valent-hpv-vaccine-a-combined-analysis-of-five-phase-iii-clinical-trials
#14
Lone K Petersen, Jaime Restrepo, Edson D Moreira, Ole-Erik Iversen, Punnee Pitisuttithum, Pierre Van Damme, Elmar A Joura, Sven-Erik Olsson, Daron Ferris, Stan Block, Anna R Giuliano, Xavier Bosch, Sophie Pils, Jack Cuzick, Suzanne M Garland, Warner Huh, Susanne K Kjaer, Oliver M Bautista, Donna Hyatt, Roger Maansson, Erin Moeller, Hong Qi, Christine Roberts, Alain Luxembourg
BACKGROUND: The immunogenicity profile of the 9-valent HPV (9vHPV) vaccine was evaluated across five phase III clinical studies conducted in girls and boys 9-15 years of age and young women 16-26 years of age. The effect of baseline characteristics of subjects on vaccine-induced HPV antibody responses was assessed. METHODS: Immunogenicity data from 11,304 subjects who received ≥1 dose of 9vHPV vaccine in five Phase III studies were analyzed. Vaccine was administered as a 3-dose regimen...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28717857/concordance-of-hpv-load-and-hpv-mrna-for-16-carcinogenic-possibly-carcinogenic-hpv-types-in-paired-smear-tissue-cervical-cancer-specimens
#15
Gordana Halec, Bolormaa Dondog, Michael Pawlita, Markus Schmitt
HPV types with high viral load are associated with cervical abnormalities. However, viral load measurements and concordance of HPV loads and viral mRNA have not been demonstrated for all high-risk/possibly high-risk (HR-/pHR-)HPV types in cervical cancer (CxCa). Especially, the biological role of co-infecting HR-/pHR-HPV types with low viral load has not been thoroughly investigated. Using BSGP5+/6+-PCR/MPG genotyping, we analyzed viral loads for all currently defined 51 mucosal HPV types in 74 cervical smears from patients with CxCa and compared this data with HPV DNA and mRNA status in these patients' corresponding CxCa tissues...
July 17, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28716790/human-papillomavirus-prevalence-and-genotype-distribution-among-young-women-and-men-in-maputo-city-mozambique
#16
Viegas Edna Omar, Augusto Orvalho, Ismael Nália, Kaliff Malin, Lillsunde-Larsson Gabriella, Ramqvist Torbjörn, Nilsson Charlotta, Falk Kerstin, Osman Nafissa, Jani Ilesh Vindorai, Andersson Sören
OBJECTIVES: Human papillomavirus (HPV) is a well-known cause of cervical cancer, the second most frequent cancer in female African populations. This study aimed at determining the prevalence of HPV infections and the genotype distribution in young adults aged 18-24, in Maputo city, Mozambique, and to assess the suitability of commercially available HPV vaccines. METHODS: This cross-sectional study was conducted between 2009 and 2011 at a youth clinic in Maputo Central Hospital...
July 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28714529/immunologic-responses-to-a-novel-dna-vaccine-targeting-human-papillomavirus-11-e6e7
#17
Julie Ahn, Shiwen Peng, Chien-Fu Hung, Richard B S Roden, Tzyy-Choou Wu, Simon R Best
OBJECTIVES/HYPOTHESIS: Recurrent respiratory papillomatosis (RRP) is a benign disease caused by human papillomavirus (HPV) types 6 and 11. Although a prophylactic vaccine against RRP is available, a therapeutic vaccine is needed to treat those already infected. The objective of our study was to design and test a DNA vaccine targeting HPV11 proteins. STUDY DESIGN: Preclinical scientific investigation. METHODS: A DNA vaccine encoding the HPV11 E6 and E7 genes linked to calreticulin (CRT) was generated...
July 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28702209/safety-of-human-papillomavirus-vaccines-in-healthy-young-women-a-meta-analysis-of-24-controlled-studies
#18
Yukari Ogawa, Hinako Takei, Ryuichi Ogawa, Kiyoshi Mihara
BACKGROUND: Human papillomavirus (HPV) vaccines have been shown to be effective for the eradication of HPV and prevention of cervical cancer. However, the number of women who receive HPV vaccinations has decreased over the last several years in Japan, due to concerns about adverse reactions associated with the vaccines. We evaluated the safety of three types of HPV vaccines separately in young women and the difference in the risk of adverse reactions between HPV and other vaccines by conducting a meta-analysis...
2017: Journal of Pharmaceutical Health Care and Sciences
https://www.readbyqxmd.com/read/28701899/cost-effectiveness-analysis-of-the-nine-valent-hpv-vaccine-in-italy
#19
Francesco Saverio Mennini, Paolo Bonanni, Florence Bianic, Chiara de Waure, Gianluca Baio, Giacomo Plazzotta, Mathieu Uhart, Alessandro Rinaldi, Nathalie Largeron
BACKGROUND: In Italy HPV vaccination with the quadrivalent vaccine (Gardasil(®)) is offered actively and free of charge to girls aged 12 since 2007. A nine-valent vaccine (Gardasil 9(®)) received the European market authorization in 2015 to protect, with only 2 doses, against around 90% of all HPV positive cancers, over 80% of high-grade precancerous lesions and 90% of genital warts caused by HPV types 6/11. METHODS: A dynamic transmission model simulating the natural history of HPV-infections was calibrated to the Italian setting and used to estimate costs and QALYs associated with vaccination strategies...
2017: Cost Effectiveness and Resource Allocation: C/E
https://www.readbyqxmd.com/read/28692681/cervical-hpv-type-specific-pre-vaccination-prevalence-and-age-distribution-in-croatia
#20
Ivan Sabol, Nina Milutin Gašperov, Mihaela Matovina, Ksenija Božinović, Goran Grubišić, Ivan Fistonić, Dragan Belci, Laia Alemany, Sonja Džebro, Mara Dominis, Mario Šekerija, Sara Tous, Silvia de Sanjosé, Magdalena Grce
The main etiological factor of precancerous lesion and invasive cervical cancer are oncogenic human papillomaviruses types (HPVs). The objective of this study was to establish the distribution of the most common HPVs in different cervical lesions and cancer prior to the implementation of organized population-based cervical screening and HPV vaccination in Croatia. In this study, 4,432 cervical specimens, collected through a 16-year period, were tested for the presence of HPV-DNA by polymerase chain reaction (PCR) with three sets of broad-spectrum primers and type-specific primers for most common low-risk (LR) types (HPV-6, 11) and the most common high-risk (HR) types (HPV-16, 18, 31, 33, 45, 52, 58)...
2017: PloS One
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