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Cervical cancer and HPV vaccines

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https://www.readbyqxmd.com/read/28538494/committee-opinion-no-704-summary-human-papillomavirus-vaccination
#1
(no author information available yet)
Human papillomavirus (HPV) is associated with anogenital cancer (including cervical, vaginal, vulvar, penile, and anal), oropharyngeal cancer, and genital warts. The HPV vaccination significantly reduces the incidence of anogenital cancer and genital warts. Despite the benefits of HPV vaccines, only 41.9% of girls in the recommended age group, and only 28.1% of males in the recommended age group have received all recom-mended doses. Compared with many other countries, HPV vaccination rates in the United States are unacceptably low...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28531261/age-of-acquiring-causal-human-papillomavirus-hpv-infections-leveraging-simulation-models-to-explore-the-natural-history-of-hpv-induced-cervical-cancer
#2
Emily A Burger, Jane J Kim, Stephen Sy, Philip E Castle
Background.: Although new human papillomavirus (HPV) infections can occur at all ages, the age at which women acquire their "causal" HPV infection that develops into cervical cancer is poorly understood and practically unobservable. We aimed to estimate the age distribution at which individuals acquired their causal HPV infection in the absence of HPV vaccination or screening to help guide the optimal use of both. Methods.: Using an empirically calibrated mathematical model that simulates the natural history of cervical cancer, we estimated the cumulative number of causal HPV infections by age, stratified by HPV genotype (HPV16 vs...
May 20, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28528686/hpv-entry-into-cells
#3
REVIEW
Pinar Aksoy, Elinor Y Gottschalk, Patricio I Meneses
Human papillomavirus (HPV) is a sexually transmitted virus responsible for the development of cervical cancer, anal cancer, head and throat cancers, as well as genital area warts. A major focus of current HPV research is on preventing the virus from entering a cell and transferring its genetic material to the nucleus, thus potentially preventing the development of cancer. Although the available HPV vaccines are extremely successful, approximately 15 additional cancer-causing HPVs have been identified that the vaccines do not protect against...
April 2017: Mutation Research
https://www.readbyqxmd.com/read/28522585/herpes-simplex-virus-glycoprotein-d-targets-a-specific-dendritic-cell-subset-and-improves-the-performance-of-vaccines-to-human-papillomavirus-associated-tumors
#4
Bruna F M M Porchia, Ana Carolina R Moreno, Rodrigo N Ramos, Mariana O Diniz, Laís Helena T M de Andrade, Daniela S Rosa, José Alexandre M Barbuto, Silvia B Boscardin, Luís Carlos S Ferreira
Cervical cancer is a major public health problem and one of the leading causes of cancer deaths in women. Virtually all cases of cervical cancer, as well as a growing share of anal and head/neck tumors, are associated with human papillomavirus (HPV) infection. Despite the effectiveness, the available prophylactic vaccines do not benefit women with cervical lesions or cancer. Therefore, the search of new immunotherapeutic approaches to treat HPV-induced tumors is still a priority. The present study characterizes a therapeutic antitumor vaccine based on the genetic fusion of the Herpes simplex virus-1 (HSV-1) glycoprotein D (gD) with the E7 oncoprotein from HPV-16 (gDE7)...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28520854/declines-in-hpv-associated-high-grade-cervical-lesions-after-introduction-of-hpv-vaccines-in-connecticut-us-2008-2015
#5
Linda M Niccolai, James I Meek, Monica Brackney, James L Hadler, Lynn E Sosa, Daniel M Weinberger
Background: Trends in HPV-associated cervical lesions can provide an indication of vaccine impact. Our purpose was to measure trends in cervical lesions during 2008-2015 and to consider possible explanations including vaccination coverage, changes in screening for cervical cancer, and risk behaviors for acquiring HPV. Methods: Connecticut (CT) implemented mandatory reporting of cervical intraepithelial neoplasia grades 2/3 and adenocarcinoma in situ (CIN2+) in 2008...
May 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28515303/spontaneous-and-vaccine-induced-clearance-of-mus-musculus-papillomavirus-type-1-mmupv1-muspv1-infection
#6
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/28515256/opportunities-and-challenges-human-papillomavirus-and-cancer
#7
Christina S Chu, David G Pfister
Mucosal exposure to human papillomavirus (HPV) can lead to anogenital and head and neck (H&N) cancer. Vaccination at a young age can be almost 100% effective in preventing HPV infection with the viral subtypes in both men and women, at least for disease in the anogenital tract. Therapeutic strategies targeting HPV in cervical dysplasia and cancer are showing promise as well in regressing dysplasia and controlling disease. That HPV-positive H&N cancer is a different disease from HPV-negative disease, with different molecular and clinical features and prognosis, is becoming better appreciated...
May 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28508620/-prevalence-of-human-papillomavirus-in-spanish-women-from-a-population-screening-program
#8
S García, M Dominguez-Gil, J Gayete, S Rojo, J L Muñoz, J S Salas, C Echevarria, M Blanco, C Ramos, M De Frutos, L López-Urrutia, L Viñuela, S Tamames, P Redondo, J M Jiménez, J M Eiros, R Ortiz de Lejarazu
OBJECTIVE: The human papillomavirus (HPV), is necessary to cause a woman developing cervical cancer. The aim of the study was to estimate the prevalence of women with HPV infection, covered by the program of prevention and early detection of cervical cancer of Castile and León (Spain). METHODS: Samples of women included in the screening program were analyzed. Including a total of 120,326 cervical swab samples, collected in the period from January 2012 to December 2014...
May 10, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28506297/cervical-cancer-treatment-costs-and-cost-effectiveness-analysis-of-human-papillomavirus-vaccination-in-vietnam-a-prime-modeling-study
#9
Hoang Van Minh, Nguyen Thi Tuyet My, Mark Jit
BACKGROUND: Cervical cancer is currently the leading cause of cancer mortality among women in South Vietnam and the second leading cause of cancer mortality in North Vietnam. Human papillomavirus (HPV) vaccination has the potential to substantially decrease this burden. The World Health Organization (WHO) recommends that a cost-effectiveness analysis of HPV vaccination is conducted before nationwide introduction. METHODS: The Papillomavirus Rapid Interface for Modeling and Economics (PRIME) model was used to evaluate the cost-effectiveness of HPV vaccine introduction...
May 15, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28492521/coinjection-of-il2-dna-enhances-e7-specific-antitumor-immunity-elicited-by-intravaginal-therapeutic-hpv-dna-vaccination-with-electroporation
#10
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/28484110/traditional-chinese-medicine-for-human-papillomavirus-hpv-infections-a-systematic-review
#11
Jing Lin, Lanting Chen, Xuemin Qiu, Na Zhang, Qiting Guo, Yan Wang, Mingyan Wang, Hans-Jürgen Gober, Dajin Li, Ling Wang
Human papillomavirus (HPV) infections are common and generally harmless, but persistent infections can bring health problems like cancer and genital warts. For the uninfected group, HPV vaccines provide safe and effective protection, but they're type-restricted and expensive. For those infected, so far there have been a handful of treatments for HPV-associated benign or malignant diseases, traditional Chinese medicine being one of them. This systematic review focuses on the application of traditional Chinese medicine in HPV infection and related diseases on the basis of clinical findings...
May 6, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28481433/can-we-prevent-preterm-birth-after-radical-trachelectomy
#12
Maria Kyrgiou, Phillip Bennett
Despite screening, cervical cancer remains the fourth commonest cancer in women with over 30000 new cases annually in Europe. HPV vaccination will reduce its incidence, but the full impact will require decades. The peak age of CIN matches the mean age of first pregnancy in the Western World. Most cervical cancers are diagnosed at an early stage through screening allowing fertility-sparing procedures such as radical trachelectomy, performed vaginally or abdominally or even simple conisation. This article is protected by copyright...
May 8, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28476628/cost-effectiveness-analysis-of-vaccinations-and-decision-makings-on-vaccination-programmes-in-hong-kong-a-systematic-review
#13
REVIEW
Carlos K H Wong, Qiuyan Liao, Vivian Y W Guo, Yiqiao Xin, Cindy L K Lam
OBJECTIVES: To describe and systematically review the modelling and reporting of cost-effectiveness analysis of vaccination in Hong Kong, and to identify areas for quality enhancement in future cost-effectiveness analyses. METHODS: We conducted a comprehensive and systematic review of cost-effectiveness studies related to vaccination and government immunisation programmes in Hong Kong published from 1990 to 2015, through database search of Pubmed, Web of Science, Embase, and OVID Medline...
May 31, 2017: Vaccine
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
#14
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/28455170/two-dose-schedules-for-human-papillomavirus-vaccine-systematic-review-and-meta-analysis
#15
REVIEW
Maddalena D'Addario, Shelagh Redmond, Pippa Scott, Dianne Egli-Gany, A Ximena Riveros-Balta, Ana Maria Henao Restrepo, Nicola Low
Simpler schedules for human papillomavirus (HPV) vaccine delivery could improve vaccine coverage and the effectiveness of cervical cancer prevention. The objective of this study was to systematically review evidence about the effects of two-dose compared with three-dose schedules for human papillomavirus (HPV) vaccine and to describe the uptake of two-dose HPV vaccination schedules globally. We searched PubMed, the Cochrane Central Registry of Controlled Trials, trials registers, and manufacturers' databases from their earliest date to February 2016...
May 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28454426/prevalence-of-human-papillomavirus-infection-of-the-anal-canal-in-women-a-prospective-analysis-of-high-risk-populations
#16
Bernd P Kost, Jörg Hofmann, Susanne Stoellnberger, Florian Bergauer, Thomas Blankenstein, Irene Alba-Alejandre, Angela Stein, Claudia Stuckart, Katharina Weizsäcker, Ioannis Mylonas, Sven Mahner, Andrea Gingelmaier
Infection with certain types of human papillomavirus (HPV) has been associated with the development of cervical and anal cancer. Worldwide, the incidence of anal cancer has increased markedly. The present study aimed to evaluate the prevalence of HPV infection of the uterine cervix and anal canal in human immunodeficiency virus (HIV)- and non-HIV-infected risk populations. Cervical and anal HPV swabs and cytology samples were collected from 287 patients at the University Hospital of Munich, Germany between 2011 and 2013...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453175/prevalence-of-human-papillomavirus-chlamydia-trachomatis-and-trichomonas-vaginalis-infections-in-amazonian-women-with-normal-and-abnormal-cytology
#17
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/28446260/human-papillomavirus-9-valent-vaccine-for-cancer-prevention-a-systematic-review-of-the-available-evidence
#18
C Signorelli, A Odone, V Ciorba, P Cella, R A Audisio, A Lombardi, L Mariani, F S Mennini, S Pecorelli, G Rezza, G V Zuccotti, A Peracino
In 2014, the Food and Drug Administration approved a new human papillomavirus 9-valent vaccine (9vHPV), targeting nine HPV types: HPV types 6, 11, 16, and 18, which are also targeted by the quadrivalent HPV vaccine (qHPV), plus five additional high cancer risk HPV types (HPV types 31, 33, 45, 52, and 58). The aim of the current study was to systematically retrieve, qualitatively and quantitatively pool, as well as critically appraise all available evidence on 9vHPV from randomized controlled trials (RCTs). We conducted a systematic review of the literature on 9vHPV efficacy, immunogenicity and safety, as well as a systematic search of registered, completed, and ongoing RCTs...
April 27, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28442134/hpv-vaccines-a-review-of-the-first-decade
#19
REVIEW
Diane M Harper, Leslie R DeMars
Pre-adolescent girls (9-15years) have the option of receiving a two dose HPV vaccine series at either a six month or one year interval to provide protection from HPV 16, the most prevalent type associated with cervical cancers, as well as several other less prevalent types. This series of vaccinations is highly likely to protect her from HPV infection until she enters the routine screening program, whether that be primary HPV testing or a combination of HPV testing and cytology. The two dose program has been recommended by the World Health Organization (WHO) since 2015...
April 22, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28441787/codon-usage-optimization-and-construction-of-plasmid-encoding-iranian-human-papillomavirus-type-16-e7-oncogene-for-lactococcus-lactis-subsp-cremoris-mg1363
#20
Amir Hossein Mohseni, Vadood Razavilar, Hossein Keyvani, Mohammad Reza Razavi, Ramazan Ali Khavari Nejad
HPV 16 intratypic sequence variations has been recognized in association with oncogenic potential diverge and geographic distribution. This study aimed to investigate nucleotide modifications and optimization of HPV 16 E7 regions from Iranian infected women. Cervical biopsies from 79/163 HPV 16 positive cancer patients detected in our study were analyzed by PCR in a couple of cloning of a complete ORF of the E7 gene, and sequencing. The most frequently observed variant was C196T in E7 which led to an amino acid change of R66W...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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