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https://www.readbyqxmd.com/read/28632949/potential-impact-of-nonavalent-hpv-vaccine-in-the-prevention-of-high-grade-cervical-lesions-and-cervical-cancer-in-portugal
#1
Angela Pista, Carlos Freire de Oliveira, Carlos Lopes, Maria J Cunha
OBJECTIVE: To estimate the potential impact of the nonavalent HPV vaccine for high-grade cervical lesions and invasive cervical cancer (ICC) in Portugal. METHODS: The present secondary analysis used data collected in the CLEOPATRE II study on the prevalence of HPV 6/11/16/18/31/33/45/52/58 among female patients aged 20-88 years. The prevalence of HPV types in patients with cervical intraepithelial neoplasia (CIN) grades 2/3 and ICC was examined. RESULTS: Data were included from 582 patients...
June 20, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28626810/human-papillomavirus-hpv-in-young-women-in-britain-population-based-evidence-of-the-effectiveness-of-the-bivalent-immunisation-programme-and-burden-of-quadrivalent-and-9-valent-vaccine-types
#2
Clare Tanton, David Mesher, Simon Beddows, Kate Soldan, Soazig Clifton, Kavita Panwar, Nigel Field, Catherine H Mercer, Anne M Johnson, Pam Sonnenberg
BACKGROUND: In 2008, the UK introduced an HPV immunisation programme in girls. Population-based prevalence estimates of bivalent (HPV-16/18), quadrivalent (HPV-6/11/16/18) and 9-valent (HPV-6/11/16/18/31/33/45/52/58) vaccine types, and comparison over time, are needed to monitor impact, evaluate effectiveness and guide decision-making on vaccination strategies. METHODS: The third National Survey of Sexual Attitudes and Lifestyles (Natsal-3) in 2010-12, tested urine for HPV from 2569 sexually-experienced women aged 16-44...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28601819/prevalence-characteristics-of-cervical-human-papillomavirus-hpv-genotypes-in-the-taizhou-area-china-a-cross-sectional-study-of-37%C3%A2-967-women-from-the-general-population
#3
Hui Hui Xu, Aifen Lin, Ya Hong Chen, Shan Shan Dong, Wei Wu Shi, Jia Zheng Yu, Wei Hua Yan
OBJECTIVES: High-risk human papillomaviruses (hrHPVs) are highly prevalent worldwide, and HPV genotypes differ between geographical regions; however, sexually transmitted HPV may lead to cervical carcinogenesis. The objective of this cross-sectional study was to estimate the prevalence characteristics of cervical HPV genotypes in Taizhou, Southeast China. SETTING AND PARTICIPANTS: A population-based sample of 37 967 eligible women (median age: 41.6; range: 15-90 years) visiting the Taizhou ENZE Medical Center in Taizhou (2012-2016) was analysed...
June 9, 2017: BMJ Open
https://www.readbyqxmd.com/read/28594305/potential-impact-of-a-nonavalent-hpv-vaccine-on-hpv-related-low-and-high-grade-cervical-intraepithelial-lesions-a-referral-hospital-based-study-in-sicily
#4
Giuseppina Capra, Lucia Giovannelli, Domenica Matranga, Carmelina Bellavia, Maria Francesca Guarneri, Teresa Fasciana, Giovanna Scaduto, Alberto Firenze, Alessandra Vassiliadis, Antonio Perino
While bivalent and quadrivalent HPV vaccines have been used for about 10 years, a nonavalent vaccine against HPV types 6/11/16/18/31/33/45/52 and 58 has been recently approved by FDA and EMA and is now commercially available. The objective of our study was to evaluate the potential impact of the nonavalent vaccine on HPV infection and related low- and high-grade squamous intraepithelial lesions (LSIL, HSIL), compared to the impact of the quadrivalent vaccine, in a female population living in Sicily (Italy)...
June 8, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28586466/health-and-economic-impact-of-a-tender-based-gender-neutral-hpv16-18-vaccination-program-in-the-netherlands
#5
Venetia Qendri, Johannes A Bogaards, Johannes Berkhof
Background: Uptake among girls in the Dutch immunization program has plateaued around 60%. Vaccinating boys may be an appealing complementary strategy for the prevention of HPV-related diseases, especially since tender negotiations and reduced dosing schemes have driven down the cost of vaccination. Methods: We expanded a previously published Bayesian synthesis framework to account for all vaccine type-related cancers and herd immunity effects from vaccinating girls and boys...
June 6, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28549940/-human-papillomavirus-nonavalent-vaccine-update-2017
#6
F X Bosch, D Moreno, E Redondo, A Torné
Human papillomavirus (HPV) is the causative agent of 5% of human cancers. HPV infection is necessary for the development of cervical cancer and is responsible of a variable percentage of cancers of anus, vulva, vagina, penis, and oropharynx. Since 2007, 2 vaccines against HPV have been commercially available in Spain: bivalent (HPV types 16/18), and tetravalent (HPV types 6/11/16/18). In order to extend the protection afforded by HPV vaccines, a clinical program was launched in 2006 for the new nonavalent vaccine, including 9 HPV types (6/11/16/18/31/33/45/52/58)...
May 23, 2017: Semergen
https://www.readbyqxmd.com/read/28545270/-correlation-between-mutation-of-p53-gene-2-4-exons-from-peripheral-blood-and-hpv16-positive-cervical-cancer-susceptibility-and-clinical-significance
#7
C M Yin, Y F Yao, Z L Yan, H Y Yang
Objective: To detect mutations of p53 gene 2-4 exons from peripheral blood and to explore their relevance in HPV16-positive cervical cancer susceptibility and clinical significance. Methods: Collected firstly cases from the Third Affiliated Hospital of Kunming Medical University from October 2012 to April 2014, included 167 cases HPV16-postive cervical cancer and 160 cases HPV-negative healthy women. Genomic DNA from the host peripheral venous blood was taken, mutations of p53 gene 2-4 exons were analyzed with software DNAstar after PCR and bidirectional sequencing...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28535400/comparison-of-the-cervista-hpv-hr-test-and-luminex-xmap-technology-for-the-diagnosis-of-cervical-intraepithelial-neoplasia
#8
Pei-Yu Zhao, Hui-Ci Jiang, Yue Li, Jin-Bo Wang, Ting-Ting Zhang, Cheng-Hua Liu, Li-Wen Song, Jia-Jing Cheng
OBJECTIVES: This study was designed to compare the Cervista high risk (HR) human papillomavirus (HPV) test with Luminex XMAP technology for the detection of the relationship between HPV infection and cervical intraepithelial neoplasia. METHODS: In total, 3280 patients in a cervical specialty clinic were divided into two groups for either Cervista (1855 patients) or Luminex (1425 patients). Subsequent colposcopy examinations were performed in 1270 women with cytologic results showing ASCUS or higher level lesions...
May 16, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28529620/the-relation-of-hpv-infection-and-expression-of-p53-and-p16-proteins-in-esophageal-squamous-cells-carcinoma
#9
Paula Roberta Aguiar Pastrez, Vânia Sammartino Mariano, Allini Mafra da Costa, Estela Maria Silva, Cristovam Scapulatempo-Neto, Denise Peixoto Guimarães, Gilberto Fava, Said Abdala Zemi Neto, Emily Montosa Nunes, Laura Sichero, Luisa Lina Villa, Kari Juhani Syrjanen, Adhemar Longatto-Filho
GOAL: To investigate the HPV prevalence and characterize the expression of potential molecular surrogate markers of HPV infection in esophageal squamous cell carcinoma. MATERIALS AND METHODS: The prevalence of HPV in individuals with and without esophageal cancer (EC) was determined by using multiplex PCR; p16 and p53 protein levels were assessed by immunohistochemistry (IHC). RESULTS: High-risk HPV (hr-HPV) was found in the same frequency (13.8%) in esophageal squamous cell carcinoma (ESCC) and in healthy individuals...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28527674/analysis-of-full-coding-sequence-of-the-tp53-gene-in-invasive-vulvar-cancers-implications-for-therapy
#10
Karl Kashofer, Sigrid Regauer
OBJECTIVE: This study evaluates the frequency and type of TP53 gene mutations and HPV status in 72 consecutively diagnosed primary invasive vulvar squamous cell carcinomas (SCC) during the past 5years. METHODS: DNA of formalin-fixed and paraffin embedded tumour tissue was analysed for 32 HPV subtypes and the full coding sequence of the TP53 gene, and correlated with results of p53 immunohistochemistry. RESULTS: 13/72 (18%) cancers were HPV-induced squamous cell carcinomas, of which 1/13 (8%) carcinoma harboured a somatic TP53 mutation...
May 17, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28526331/prevalence-of-oral-human-papillomavirus-by-vaccination-status-among-young-adults-18-30years-old
#11
Jacqueline M Hirth, Mihyun Chang, Vicente A Resto
BACKGROUND: Although there is evidence that human papillomavirus (HPV) vaccination may protect against oral HPV infection, no current research has demonstrated this in the general population. METHODS: We used repeated cross-sectional data from the National Health and Nutrition Examination Survey (NHANES) between 2009 and 2014. Participants 18-30years who indicated whether they had received the HPV vaccine and provided an adequate oral sample were included (N=3040)...
May 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28515303/spontaneous-and-vaccine-induced-clearance-of-mus-musculus-papillomavirus-type-1-mmupv1-muspv1-infection
#12
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/28512474/human-papillomavirus-genotype-distribution-among-cervical-cancer-patients-prior-to-brazilian-national-hpv-immunization-program
#13
Liz M de Almeida, Luís Felipe L Martins, Valéria B Pontes, Flávia M Corrêa, Raquel C Montenegro, Laine C Pinto, Bruno M Soares, João Paulo C B Vidal, Shayany P Félix, Neilane Bertoni, Moysés Szklo, Miguel Angelo M Moreira
To evaluate the impact of HPV immunization and possible changes in virus type-specific prevalence associated with cervical cancer, it is important to obtain baseline information based on socioeconomic, educational, and environmental characteristics in human populations. We describe these characteristics and the type-specific HPV distribution in 1,183 women diagnosed with cervical cancer in two Brazilian healthcare institutions located at the Southeastern (Rio de Janeiro/RJ) and the Amazonian (Belém/PA) regions...
2017: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/28490581/patterns-of-prevalent-hpv-and-sti-co-infections-and-associated-factors-among-hiv-negative-young-western-cape-south-african-women-the-evri-trial
#14
Lynette J Menezes, Ubin Pokharel, Staci L Sudenga, Matthys H Botha, Michele Zeier, Martha E Abrahamsen, Richard H Glashoff, Susan Engelbrecht, Maarten F Schim van der Loeff, Louvina E van der Laan, Siegfried Kipping, Douglas Taylor, Anna R Giuliano
OBJECTIVE: To estimate the prevalence and describe the patterns of concurrent human papillomavirus (HPV) and STIs and associated factors among HIV-negative young Western Cape, South African women participating in the Efficacy of HPV Vaccine to Reduce HIV Infection (EVRI) trial. METHODS: HIV-negative women aged 16-24 years old were enrolled in the EVRI trial (NCT01489527) and randomised to receive the licensed four-valent HPV vaccine or placebo. At study entry, participants were clinically evaluated for five STIs: herpes simplex virus type 2 (HSV-2), chlamydia, gonorrhoea, syphilis and disease-causing HPV genotypes (6/11/16/18/31/33/35/39/45/51/52/56/58/59/68)...
May 10, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28486052/correlates-of-human-papillomavirus-infection-among-a-national-sample-of-sexual-minority-women
#15
Andrew J Branstetter, Annie-Laurie McRee, Paul L Reiter
BACKGROUND: Many sexual minority women are infected with human papillomavirus (HPV), yet little is known about correlates of HPV infection among this population. MATERIALS AND METHODS: We analyzed data from a national sample of sexual minority women (i.e., women who either reported a history of female sexual partners or identified as nonheterosexual) aged 20-59 from the 2003 to 2012 National Health and Nutrition Examination Survey (n = 830). Weighted logistic regression identified correlates of infection with any HPV type and infection with a high-risk HPV type...
May 9, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28485812/epidemiology-of-human-papillomavirus-on-anogenital-warts-in-portugal-the-hercoles-study
#16
J Azevedo, A Pista, C Lisboa, I Santo, L Azevedo, M J Cunha
BACKGROUND: Anogenital warts (AGW) are one of the most prevalent sexually transmitted disease worldwide. Approximately, 90% of AGWs are related to infection by HPV 6 and 11. However, AGW have been associated with infection by multiple genotypes, including HR-HPV, which may be associated with a long-term increased risk of anogenital cancer. OBJECTIVE: This observational prospective epidemiological study aims to estimate the type-specific HPV distribution on incident AGWs in both genders, and additionally to assess the frequency of anal and oral HPV infection in patients with AGWs...
May 9, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28483969/association-of-metabolic-syndrome-and-human-papillomavirus-virus-infection-in-men-and-women-residing-in-the-unites-states
#17
Jennifer C Molokwu, Eribeth Penaranda, David S Lopez, Alok Dwivedi, Christopher Dodoo, Navkiran Shokar
BACKGROUND: An estimated 33 percent of adults in the US have metabolic syndrome which has been associated with an increased risk for various cancer types. Theories of synergism among components of MetS that increase cancer risk via chronic inflammation and oxidative stress have been proposed. We hypothesize that men and women with MetS may have compromised immunological response resulting in increased risk for persistent HPV infection. The goal of this study is to determine the association of MetS with HPV types 6, 11, 16 and 18 and to explore variation of these associations by gender using data from a national survey...
May 8, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28483196/bacterially-expressed-human-papillomavirus-type-6-and-11-bivalent-vaccine-characterization-antigenicity-and-immunogenicity
#18
Huirong Pan, Zhihai Li, Jin Wang, Shuo Song, Daning Wang, Minxi Wei, Ying Gu, Jun Zhang, Shaowei Li, Ningshao Xia
Human papillomavirus (HPV)-6 and HPV11 are the major etiological causes of condylomata acuminate. HPV neutralization by vaccine-elicited neutralizing antibodies can block viral infection and prevent subsequent disease. Currently, two commercially available HPV vaccines cover these two genotypes, expressed by Saccharomyces cerevisiae. Here we describe another HPV6/11 bivalent vaccine candidate derived from Escherichia coli. The soluble expression of N-terminally truncated L1 proteins was optimized to generate HPV6- and HPV11 L1-only virus-like particles (VLPs) as a scalable process...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28480334/hpv-serostatus-pre-and-post-vaccination-in-a-randomized-phase-ii-preparedness-trial-among-young-western-cape-south-african-women-the-evri-trial
#19
Staci L Sudenga, B Nelson Torres, Matthys H Botha, Michele Zeier, Martha E Abrahamsen, Richard H Glashoff, Susan Engelbrecht, Maarten F Schim Van der Loeff, Louvina E Van der Laan, Siegfried Kipping, Douglas Taylor, Anna R Giuliano
BACKGROUND: HPV antibodies are a marker of past exposure to the virus. Our objective was to assess HPV serostatus pre- and post-vaccination among HIV-negative women. METHODS: Women aged 16-24 years old were randomized in a placebo controlled trial utilizing the 4-valent HPV (4vHPV) vaccine (NCT01489527, clinicaltrials.gov). Participants (n=389) received the 4vHPV vaccine or placebo following a three dose schedule. Sera were collected at Day 1 and Month 7 for assessment of HPV 6, 11, 16, and 18 neutralizing antibody levels using a multiplex competitive Luminex immunoassay (Merck) based on detecting the L1 capsid antigen for each HPV type...
June 2017: Papillomavirus Research
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
#20
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
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