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Hpv DNA vaccine

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https://www.readbyqxmd.com/read/28515303/spontaneous-and-vaccine-induced-clearance-of-mus-musculus-papillomavirus-type-1-mmupv1-muspv1-infection
#1
Rosie T Jiang, Joshua W Wang, Shiwen Peng, Tsui-Chin Huang, Chenguang Wang, Fabiana Cannella, Yung-Nien Chang, Raphael P Viscidi, Simon R A Best, Chien-Fu Hung, Richard B S Roden
Mus musculus Papillomavirus1 (MmuPV1/MusPV1) induces persistent papillomas in immunodeficient mice but not common laboratory strains. To facilitate study of immune control, we sought an outbred and immune competent laboratory mouse strain in which persistent papillomas could be established. We found that challenge of SKH1 mice (Crl:SKH1-Hrhr) by scarification on their tail with MmuPV1 resulted in three clinical outcomes: 1) persistent (>2 months) papillomas (∼20%), 2) transient papillomas that spontaneously regress typically within 2 months (∼15%), 3) no visible papillomas and viral clearance (∼65%)...
May 17, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28492521/coinjection-of-il2-dna-enhances-e7-specific-antitumor-immunity-elicited-by-intravaginal-therapeutic-hpv-dna-vaccination-with-electroporation
#2
Y Sun, S Peng, A Yang, E Farmer, T-C Wu, Chien-Fu Hung
The generation and use of therapeutic human papillomavirus (HPV) DNA vaccines represent an appealing treatment method against HPV-associated cervical cancer due to their safety and durability. Previously, we created a therapeutic HPV DNA vaccine candidate by linking the HPV16-E7 DNA sequence to calreticulin (CRT/E7), which we showed could generate significant E7-specific cytotoxic T lymphocyte (CTL)-mediated anti-tumor immune responses against HPV16 oncogenes expressing murine tumor model TC-1. Here we assess the therapeutic efficacy of intravaginal immunization with pcDNA3-CRT/E7 followed by electroporation...
May 11, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28468064/-prevalence-of-type-specific-human-papillomavirus-infection-among-18-45-year-old-women-from-the-general-population-in-liuzhou-guangxi-zhuang-autonomous-region-a-cross-sectional-study
#3
X Wu, J Zhao, X L Cui, Q Li, H Tao, Q J Pan, X Zhang, W Chen, Y P Li, R C Li, T Wu, M Q Li
Objective: To analyze the type-specific prevalence of human papillomavirus (HPV) among women aged 18-45 years from the general population in Liuzhou, Guangxi Zhuang Autonomous Region. Methods: Totally, 2 300 women aged 18-45 years old were enrolled in Liuzhou,from March to July, 2013. Cervical exfoliated cells were collected for liquid based cytological and HPV DNA tests. Women were referred to colposcopy exam, based on the clinical practice guideline. Results: Overall, the prevalence rates of any HPV or oncogenic HPV appeared as 22...
April 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28453175/prevalence-of-human-papillomavirus-chlamydia-trachomatis-and-trichomonas-vaginalis-infections-in-amazonian-women-with-normal-and-abnormal-cytology
#4
E Costa-Lira, A H V L Jacinto, L M Silva, P F R Napoleão, R A A Barbosa-Filho, G J S Cruz, S Astolfi-Filho, C M Borborema-Santos
Sexually transmitted infections are an important cause of morbidity among sexually active women worldwide, and have been implicated as cofactors in the pathogenesis of cervical cancer. We investigated the prevalence of human papillomavirus (HPV), Chlamydia trachomatis (CT), and Trichomonas vaginalis (TV), and accessed the diversity of HPV in women with normal and abnormal cytology in Manaus, Brazil. We used polymerase chain reaction and HPV genotyping by direct sequencing. The chi-square test was used to calculate the absolute and relative frequencies of the categorical variables, and Fisher's test was used when P < 0...
April 28, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28451790/hpv16-e7-dna-tattooing-safety-immunogenicity-and-clinical-response-in-patients-with-hpv-positive-vulvar-intraepithelial-neoplasia
#5
Sanne Samuels, A Marijne Heeren, Henry J M A A Zijlmans, Marij J P Welters, Joost H van den Berg, Daisy Philips, Pia Kvistborg, Ilina Ehsan, Suzy M E Scholl, Bastiaan Nuijen, Ton N M Schumacher, Marc van Beurden, Ekaterina S Jordanova, John B A G Haanen, Sjoerd H van der Burg, Gemma G Kenter
BACKGROUND: Usual type vulvar intraepithelial neoplasia (uVIN) is caused by HPV, predominantly type 16. Several forms of HPV immunotherapy have been studied, however, clinical results could be improved. A novel intradermal administration route, termed DNA tattooing, is superior in animal models, and was tested for the first time in humans with a HPV16 E7 DNA vaccine (TTFC-E7SH). METHODS: The trial was designed to test safety, immunogenicity, and clinical response of TTFC-E7SH in twelve HPV16(+) uVIN patients...
April 27, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28438378/genotyping-of-the-human-papilloma-virus-in-a-group-of-mexican-women-treated-in-a-highly-specialist-hospital-multiple-infections-and-their-potential-transcendence-in-the-current-vaccination-programme
#6
Pablo Romero-Morelos, Arizbett Uribe-Jiménez, Cindy Bandala, Albros Poot-Vélez, Nora Ornelas-Corral, Miriam Rodríguez-Esquivel, Mariana Valdespino-Zavala, Keiko Taniguchi, Daniel Marrero-Rodríguez, Ricardo López-Romero, Mauricio Salcedo
BACKGROUND AND OBJETIVE: Human papilloma virus (HPV) is one of the main risk factors associated with the development of cervical cancer and its precursor lesions. It has been reported that HPV16 and 18 types cover approximately 70% of cervical cancer worldwide; however, significant variation in percentages of HPV infections could be related to specific populations. MATERIALS AND METHODS: Purified DNA of 67 cervical samples were analyzed by Linear Array® HPV genotyping kit...
April 21, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28436064/the-changing-landscape-of-cervical-screening-what-does-the-future-hold-for-primary-care
#7
L Marlow, J Waller
The landscape of cervical cancer prevention is changing in many countries thanks to the introduction of vaccination against high-risk types of human papillomavirus (HPV) and the incorporation of HPV DNA testing into cervical screening algorithms. In addition to this, uptake of screening is falling year on year in the UK and elsewhere. These factors present challenges and opportunities for health professionals working in primary care-in terms of communicating programmatic changes to women; responding to questions about the meaning and implications of HPV test results; and delivering interventions to increase screening uptake...
April 23, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28428646/-hpv-vaccination-active-offer-in-an-italian-region
#8
Elisa Terracciano, Gian Loreto D'Alò, Silvia Aquilani, Anna Maria Aversa, Giuseppina Bartolomei, Maria Gabriella Calenda, Raffaele Catapano, Silvio Compagno, Piera Della Rovere, Angelo Fraioli, Roberto Ieraci, Daniela Reggiani, Stefano Sgricia, Antonietta Spadea, Laura Zaratti, Elisabetta Franco
Human Papillomavirus is responsible for 4.8% of cancers, and is the main cause of cervical cancer. Cervical cancer can be reduced by mean of secondary prevention (PAP-test, HPV-DNA test), while through primary prevention (anti-HPV vaccine) the incidence of other HPV-attributable cancers can also be reduced. In Italy, anti-HPV vaccination is part of the immunization schedule in girls since 2008, and in 2017 it was extended to boys. However, vaccine coverage is decreasing nationwide. This study aims to examine anti-HPV vaccination practices in Health care services of Lazio Region, Italy...
January 2017: Igiene e Sanità Pubblica
https://www.readbyqxmd.com/read/28400857/estimation-of-the-overall-burden-of-cancers-precancerous-lesions-and-genital-warts-attributable-to-9-valent-hpv-vaccine-types-in-women-and-men-in-europe
#9
Susanne Hartwig, Jean Lacau St Guily, Géraldine Dominiak-Felden, Laia Alemany, Silvia de Sanjosé
BACKGROUND: In addition to cervical cancer, human papillomavirus (HPV) is responsible for a significant proportion of cancers and precancerous lesions of the vulva, vagina, anus, penis, head and neck, as well as genital warts. We estimated the annual number of new cases of these diseases attributable to 9-valent HPV vaccine types in women and men in Europe. METHODS: The annual number of new cancers of the cervix, vulva, vagina, anus, penis, and selected head and neck sites in the population of the European Medicines Agency territory was estimated based on age-specific incidence rates extracted from Cancer Incidence in 5 Continents, Volume X and Eurostat population data for 2015...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28390433/evaluation-of-the-performance-of-human-papillomavirus-testing-in-paired-urine-and-clinician-collected-cervical-samples-among-women-aged-over-30%C3%A2-years-in-bhutan
#10
Ugyen Tshomo, Silvia Franceschi, Tshokey Tshokey, Tashi Tobgay, Iacopo Baussano, Vanessa Tenet, Peter J F Snijders, Tarik Gheit, Massimo Tommasino, Alex Vorsters, Gary M Clifford
BACKGROUND: Urine sampling may offer a less invasive solution than cervical sampling to test for human papillomavirus (HPV) for HPV vaccine impact monitoring. METHODS: Paired samples of urine and exfoliated cervical cells were obtained for 89 women with history of high-risk (HR) HPV-positive normal cytology in Bhutan. Urine sampling protocol included self-collection of first-void urine immediately into a conservation medium and procedures to optimize DNA yield. Colposcopical abnormalities were biopsied...
April 8, 2017: Virology Journal
https://www.readbyqxmd.com/read/28388355/in-silico-analysis-of-l1-l2-sequences-of-human-papillomaviruses-implication-for-universal-vaccine-design
#11
Nazila Ghorban Hosseini, Majid Tebianian, Ayoub Farhadi, Ali Hossein Khani, Arian Rahimi, Mojtaba Mortazavi, Seyed Younes Hosseini, Morteza Taghizadeh, Mahsa Rezaei, Mehdi Mahdavi
The aim of this study was to design a multiepitope universal vaccine for major human papillomavirus (HPV) structural proteins, L1/L2, by bioinformatics models. For this purpose, we predicted the most probable immunogenic epitopes of L1 and L2 from common high-risk HPV 16, 18, 31, and 45 beside high prevalent type 6 and 11 based on BCPREDS defaulted model, while solvent accessibility of structure was extrapolated. The three-dimensional molecular model of L1 protein was constructed by Swiss Model server, whereas sequence alignment provided model for prediction of L2 protein epitopes...
April 2017: Viral Immunology
https://www.readbyqxmd.com/read/28373404/precancer-atlas-to-drive-precision-prevention-trials
#12
Avrum Spira, Matthew B Yurgelun, Ludmil Alexandrov, Anjana Rao, Rafael Bejar, Kornelia Polyak, Marios Giannakis, Ali Shilatifard, Olivera J Finn, Madhav Dhodapkar, Neil E Kay, Esteban Braggio, Eduardo Vilar, Sarah A Mazzilli, Timothy R Rebbeck, Judy E Garber, Victor E Velculescu, Mary L Disis, Douglas C Wallace, Scott M Lippman
Cancer development is a complex process driven by inherited and acquired molecular and cellular alterations. Prevention is the holy grail of cancer elimination, but making this a reality will take a fundamental rethinking and deep understanding of premalignant biology. In this Perspective, we propose a national concerted effort to create a Precancer Atlas (PCA), integrating multi-omics and immunity - basic tenets of the neoplastic process. The biology of neoplasia caused by germline mutations has led to paradigm-changing precision prevention efforts, including: tumor testing for mismatch repair (MMR) deficiency in Lynch syndrome establishing a new paradigm, combinatorial chemoprevention efficacy in familial adenomatous polyposis (FAP), signal of benefit from imaging-based early detection research in high-germline risk for pancreatic neoplasia, elucidating early ontogeny in BRCA1-mutation carriers leading to an international breast cancer prevention trial, and insights into the intricate germline-somatic-immunity interaction landscape...
April 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28363164/effect-of-naturally-acquired-type-specific-serum-antibodies-against-human-papillomavirus-type-16-infection
#13
Tina Triglav, Hanna Artemchuk, Anja Oštrbenk, K Miriam Elfström, Helena Faust, Mario Poljak, Joakim Dillner
BACKGROUND: While vaccine-induced antibodies are known to confer protection against incident human papillomavirus (HPV) infection, there is inconsistent data regarding the protective effect of naturally acquired anti-HPV antibodies. OBJECTIVES: To estimate the protective effect of naturally acquired anti-HPV16 serum antibodies against incident anogenital infection with HPV16 in females aged 20-64 years and to assess whether antibodies influence the persistence/clearance of anogenital HPV16 infection...
March 6, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28351348/systematic-review-of-cost-effectiveness-analyses-for-combinations-of-prevention-strategies-against-human-papillomavirus-hpv-infection-a-general-trend
#14
Frédéric Gervais, Kyle Dunton, Yiling Jiang, Nathalie Largeron
BACKGROUND: Due to the arrival of multi-valent HPV vaccines, it is more and more important to have a better understanding of the relationship between vaccination and screening programmes. This review aimed to: (1) collect published evidence on the cost-effectiveness profile of different HPV prevention strategies and, in particular, those combining vaccination with changes in screening practices; (2) explore the cost-effectiveness of alternative preventive strategies based on screening and vaccination...
March 28, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28334393/adjuvant-human-papillomavirus-vaccination-for-secondary-prevention-a-systematic-review
#15
Gregory R Dion, Stephanie Teng, Leslie R Boyd, Antonia Northam, Charlotte Mason-Apps, Dorice Vieira, Milan R Amin, Ryan C Branski
Importance: Human papillomavirus (HPV) vaccination is recommended for children and younger adults but not older adults or those with prior HPV exposure, leaving a large portion of the population at risk for HPV-mediated disease. Emerging data suggest a possible role for vaccination as an adjuvant treatment for individuals with HPV-related clinical disease. Objective: To systematically review the literature regarding HPV vaccination for secondary disease prevention after treatment of active clinical disease across disease sites to serve as a platform for the management of HPV-related disease of the head and neck...
March 23, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28295672/the-prevalence-of-hpv-infections-in-hpv-vaccinated-women-from-the-general-population
#16
Eva Hamsikova, Jana Smahelova, Viera Ludvikova, Martina Salakova, Jana Rychla, Jana Skrenkova, Lukas Rob, Ruth Tachezy
Currently, three prophylactic HPV vaccines are commercially available to prevent HPV 16/18 infection and associated lesions. The aim of the study was to assess markers of HPV infection in women/girls before vaccination and to ascertain the prevalence and spectrum of post-vaccination HPV types. Three hundred and thirty subjects of which 75 were virgins were enrolled. Before the first dose of the HPV vaccine and 1, 3 and 5 years after the completion of HPV vaccination, the samples for cytology, HPV detection and anti-HPV antibody response were taken...
March 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28277144/molecular-tests-potentially-improving-hpv-screening-and-genotyping-for-cervical-cancer-prevention
#17
Ana Gradíssimo, Robert D Burk
Human papillomavirus (HPV)-related cancers can be averted by type-specific vaccination (primary prevention) and/or through detection and ablation of precancerous cervical lesions (secondary prevention). This review presents current challenges to cervical cancer screening programs, focusing on recent molecular advances in HPV testing and potential improvements on risk stratification. Areas covered: High-risk (HR)-HPV DNA detection has been progressively incorporated into cervix cancer prevention programs based on its increased sensitivity...
February 20, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28212457/papillomaviruses-a-systematic-review
#18
Rodrigo Pinheiro Araldi, Suely Muro Reis Assaf, Rodrigo Franco de Carvalho, Márcio Augusto Caldas Rocha de Carvalho, Jacqueline Mazzuchelli de Souza, Roberta Fiusa Magnelli, Diego Grando Módolo, Franco Peppino Roperto, Rita de Cassia Stocco, Willy Beçak
In the last decades, a group of viruses has received great attention due to its relationship with cancer development and its wide distribution throughout the vertebrates: the papillomaviruses. In this article, we aim to review some of the most relevant reports concerning the use of bovines as an experimental model for studies related to papillomaviruses. Moreover, the obtained data contributes to the development of strategies against the clinical consequences of bovine papillomaviruses (BPV) that have led to drastic hazards to the herds...
January 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28181989/-influence-of-age-in-the-prevalence-of-high-risk-human-papiloma-virus-in-women-with-pre-neoplasic-cervical-lesions-in-navarra-spain
#19
María Rosario Mercado Gutiérrez, Carolina Arean Cuns, María Luisa Gómez Dorronsoro, Irene Paniello Alastruey, Fermin Mallor Giménez, Maria Dolores Lozano Escario, Mercedes Santamaría Martínez
OBJECTIVE: Cervical carcinoma (CC) is the second cause of death among women aged 15 and 44 in Spain. CC is linked to hig-risk human papillomavirus (HR-HPV) infection and its prevalence varies according age and geographical region. The awereness of the latter is essential for public health prevention efforts. The aim was to study the age related in HR-HPV genotypes in cytologies with squamous intraepithelial lesion (SIL). METHODS: From a total of 67,935 ginecologic cytologies over a four-year period, we selected cytologic specimens with SIL...
February 9, 2017: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/28178116/genital-human-papillomavirus-infection-in-indian-hiv-seropositive-men-who-have-sex-with-men
#20
Anantharam Raghavendran, Alexandra L Hernandez, Shelly Lensing, Manu Gnanamony, Rajiv Karthik, Murgesan Sivasubramanian, Rajesh Kannangai, Priya Abraham, Dilip Mathai, Joel M Palefsky
BACKGROUND: The incidence of penile cancer in Indian men is high. Little is known about genital human papillomavirus (HPV) infection in Indian HIV-seropositive men who have sex with men (MSM), a population that may be at particularly high risk for genital HPV infection and, potentially, penile cancer. In this study, we assessed the prevalence and risk factors for genital HPV infection in this population. DESIGN AND METHODS: Three hundred HIV-seropositive MSM were recruited from 2 clinical sites in India...
March 2017: Sexually Transmitted Diseases
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