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https://www.readbyqxmd.com/read/29453769/hpv-genotyping-for-the-cross-sectional-and-longitudinal-probability-of-developing-cin2
#1
Annarosa Del Mistro, Rachael Adcock, Francesca Carozzi, Anna Gillio-Tos, Laura De Marco, Salvatore Girlando, Raffaella Rizzolo, Helena Frayle, Morena Trevisan, Cristina Sani, Elena Burroni, Paolo Giorgi Rossi, Jack Cuzick, Guglielmo Ronco
HPV testing is more sensitive but less specific than cytology. We evaluated stand-alone genotyping as a possible triage method. During a multicentre randomised controlled trial comparing HPV testing to conventional cytology, HPV positive women were referred to colposcopy and followed up if no high-grade lesion was detected. HPV positive samples were genotyped by GP5+/GP6+ primed PCR followed by reverse line blot. Genotypes were hierarchically ordered by positive predictive value (PPV) for CIN grade 2 or more (CIN2+), and grouped by cluster analysis into 3 groups (A, B and C in decreasing order)...
February 17, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29452366/prevalence-and-incidence-of-anal-and-cervical-high-risk-human-papillomavirus-hpv-types-covered-by-current-hpv-vaccines-among-hiv-infected-women-in-the-study-to-understand-the-natural-history-of-hiv-aids-in-the-era-of-effective-therapy-the-sun-study
#2
Erna Milunka Kojic, Lois Conley, Tim Bush, Susan Cu-Uvin, Elizabeth R Unger, Keith Henry, John Hammer, Gerome Escota, Teresa M Darragh, Joel M Palefsky, John T Brooks, Pragna Patel
Background: Nonavalent (9v) human papilloma virus vaccine targets high-risk (HR)-HPV types 16, 18, 31, 33, 45, 52, 58, and low-risk 6, 11. We examined prevalence, incidence, and clearance of anal and cervical HR-HPV in HIV-infected women. Methods: From 2004-2006, the SUN Study enrolled 167 women from four US cities. Anal and cervical specimens were collected annually for cytology and identification of 37 HPV types; 14 HR include: 9v 16, 18, 31, 33, 45, 52, 58; non-9v 35, 39, 51, 56, 59, 66, 68...
February 14, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29447361/laryngeal-squamous-cell-papilloma-is-highly-associated-with-human-papillomavirus
#3
Yorihisa Orita, Yuka Gion, Tomoyasu Tachibana, Kana Ikegami, Hidenori Marunaka, Seiichiro Makihara, Yasuhiko Yamashita, Kentaro Miki, Takuma Makino, Naoki Akisada, Yusuke Akagi, Miyuki Kimura, Tadashi Yoshino, Kazunori Nishizaki, Yasuharu Sato
Objective: To delineate the association between characteristics of adult-onset laryngeal squamous cell papilloma and human papillomavirus (HPV) infection. Methods: Clinical records and paraffin-embedded specimens of 77 papilloma patients who had been treated between 1998 and 2014 were collected. Of the 77 cases, 34 were identified in the larynx, 28 in the oral cavity and 15 in the oropharynx. Specimens were investigated by polymerase chain reaction (PCR) to detect HPV 6, 11, 16, 18, 31, 33, 35, 52b and 58, and immunohistochemical (IHC) staining for anti-p16INK4a antibody...
February 13, 2018: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29440629/the-genotype-of-human-papillomavirus-and-associated-factors-among-high-risk-males-in-shanghai-china-a-molecular-epidemiology-study
#4
Chengzhong Zhang, Chao Zhang, Jie Huang, Weimin Shi
BACKGROUND The aim of this study was to describe the infection rate of human papillomavirus (HPV), its genotype distribution, and associated factors among high-risk males in Shanghai, China. MATERIAL AND METHODS A total of 1,205 participants were enrolled in this study from October 2015 to March 2017. Each individual signed an informed consent before agreeing to take part in this study; participants completed a questionnaire about associated factors related to HPV infection. The HPV GenoArray test kit was used to perform HPV genotyping and was also used in DNA amplification and HybriBio's proprietary flow-through hybridization technique...
February 14, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29433017/continuing-global-improvement-in-human-papillomavirus-dna-genotyping-services-the-2013-and-2014-hpv-labnet-international-proficiency-studies
#5
Carina Eklund, Ola Forslund, Keng-Ling Wallin, Joakim Dillner
BACKGROUND: Accurate and internationally comparable human papillomavirus (HPV) DNA detection and typing services are essential for HPV vaccine research and surveillance. OBJECTIVES: This study assessed the proficiency of different HPV typing services offered routinely in laboratories worldwide. STUDY DESIGN: The HPV Laboratory Network (LabNet) has designed international proficiency panels that can be regularly issued. The HPV genotyping proficiency panels of 2013 and 2014 contained 43 and 41 coded samples, respectively, composed of purified plasmids of sixteen HPV types (HPV 6, 11, 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66, 68a and 68b) and 3 extraction controls...
February 9, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29430168/assessment-of-p16-expression-and-hpv-infection-in-adenoid-cystic-carcinoma-of-the-lacrimal-gland
#6
Yuchuan Wang, Yuan Tian, Jinyong Lin, Luxia Chen, Liming Wang, Peng Hao, Ruifang Han, Ming Ying, Xuan Li, Xin Tang
Purpose: Adenoid cystic carcinoma (ACC) in the lacrimal gland is a rare malignancy. P16 is encoded by the CDKN2A gene, which is recognized as a tumor suppressor due to its inactivation in many types of tumors. However, p16 overexpression is also linked to adverse tumor parameters. These contradictory observations have also been confirmed in ACCs in the salivary glands. Furthermore, evidence of human papilloma virus (HPV) infection is found in a proportion of ACCs in the salivary glands...
2018: Molecular Vision
https://www.readbyqxmd.com/read/29428178/evaluation-on-the-persistence-of-anti-hpv-immune-responses-to-the-quadrivalent-hpv-vaccine-in-chinese-females-and-males-up-to-3-5%C3%A2-years-of-follow-up
#7
Teng Huang, Youping Liu, Yanping Li, Yuqin Liao, Qiong Shou, Minghuan Zheng, Xueyan Liao, Rongcheng Li
BACKGROUND: This was an extension study of a randomized, double-blind, placebo-controlled immunogenicity and safety study of the quadrivalent human papillomavirus (qHPV) (HPV 6, 11, 16, and 18) vaccine conducted in Chinese female subjects aged 9-45 years and male subjects aged 9-15 years. To investigate the persistence of anti-HPV 6, -11, -16, and -18 responses among Chinese subjects, subjects enrolled in the base study were followed up at around month 42 (approximately 3.5 years after vaccination)...
February 7, 2018: Vaccine
https://www.readbyqxmd.com/read/29425358/very-low-prevalence-of-vaccine-human-papillomavirus-hpv-types-among-18-to-35-year-old-australian-women-nine-years-following-implementation-of-vaccination
#8
Dorothy A Machalek, Suzanne M Garland, Julia M L Brotherton, Deborah Bateson, Kathleen McNamee, Mary Stewart, S Rachel Skinner, Bette Liu, Alyssa M Cornall, John M Kaldor, Sepehr N Tabrizi
Introduction: A quadrivalent human papillomavirus vaccination program targeting females aged 12-13 commenced in Australia in 2007, with catch-up vaccination of 14-26 year olds through 2009. We evaluated the program's impact on HPV prevalence among women aged 18-35 in 2015. Methods: HPV prevalence among women aged 18-24 and 25-35 was compared with prevalence among women in these age groups in 2005-2007. For women aged 18-24, we also compared prevalence with that in a post-vaccine study conducted in 2010-2012...
February 7, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29408738/prevalence-and-genotypes-of-human-papillomavirus-in-saliva-and-tumor-samples-of-head-and-neck-cancer-patients-in-hungary
#9
Andrea Hettmann, Anett Demcsák, Ádám Bach, Gábor Decsi, Ágnes Dencs, Dóra Pálinkó, László Rovó, Gabriella Terhes, Edit Urbán, Krisztina Buzás, Katalin Nagy, Mária Takács, Janos Minarovits
In addition to traditional risk factors such as smoking, alcohol consumption and betel nut use, human papillomavirus (HPV) infection also plays a role in the development of head and neck squamous cell carcinomas (HNSCCs). Although among European countries the highest incidence and mortality rates of head and neck cancer types were recorded in Hungary, data regarding HPV prevalence in HNSCCs is scarce. We collected biopsy and saliva samples from patients diagnosed with HNSCC or oral potentially malignant disorders (OPMDs) and tested them for the presence of HPV using the PCR consensus primer set MY09/11 and the GP5+/6+ primer pair...
January 31, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29398056/association-of-health-insurance-status-and-vaccination-coverage-among-adolescents-13-17-years-of-age
#10
Peng-Jun Lu, David Yankey, Jenny Jeyarajah, Alissa O'Halloran, Benjamin Fredua, Laurie D Elam-Evans, Sarah Reagan-Steiner
OBJECTIVE: To assess selected vaccination coverage among adolescents by health insurance status and other access-to-care characteristics. STUDY DESIGN: The 2015 National Immunization Survey-Teen data were used to assess vaccination coverage disparities among adolescents by health insurance status and other access-to-care variables. Multivariable logistic regression analysis and a predictive marginal modeling were conducted to evaluate associations between health insurance status and vaccination coverage...
February 2, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29396352/risk-of-high-risk-human-papillomavirus-infection-and-cervical-precancerous-lesions-with-past-or-current-trichomonas-infection-a-pooled-analysis-of-25-054-women-in-rural-china
#11
Rui-Mei Feng, Margaret Z Wang, Jennifer S Smith, Li Dong, Feng Chen, Qin-Jing Pan, Xun Zhang, You-Lin Qiao, Fang-Hui Zhao
BACKGROUND: Trichomonas vaginitis (TV) infection has obviously been implicated in gynecological morbidity but still unclear in cervical lesions. OBJECTIVE: To evaluate the risk of hr-HPV infection and cervical intraepithelial neoplasia grade 2 or worse (CIN2 + ) by TV infection. STUDY DESIGN: The pooled study was conducted among 12 population-based, cervical cancer screening studies throughout China (N = 24,054). HPV was detected by Hybrid Capture®2 (HC2) test...
December 30, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29393201/type-specific-human-papillomavirus-prevalence-in-iranian-women-with-normal-cervical-cytology-the-impact-of-current-hpv-vaccines
#12
Rasool Hamkar, Zabihollah Shoja, Nastaran Ghavami, Nasrin Heydari, Mohammad Farahmand, Somayeh Jalilvand
OBJECTIVE: Human papillomavirus (HPV) vaccination is currently not included in the national vaccination program in Iran. Regional data on the distribution of HPV types in women are important as they can predict the impact of currently available vaccines and help health policy makers to consider all the possibilities with regard to HPV vaccination. METHODS: A total of 1,218 Iranian women with normal cervical cytology were included in this study. The presence of the HPV genome was investigated in all specimens by PCR assay, and all HPV-positive samples were genotyped...
January 25, 2018: Intervirology
https://www.readbyqxmd.com/read/29382323/prevalence-of-high-risk-hpv-genotypes-categorised-by-their-quadrivalent-and-nine-valent-hpv-vaccination-coverage-and-the-genotype-association-with-high-grade-lesions
#13
María Paz-Zulueta, Ledicia Álvarez-Paredes, Juan Carlos Rodríguez Díaz, Paula Parás-Bravo, Ma Encarnación Andrada Becerra, José María Rodríguez Ingelmo, María Montserrat Ruiz García, Joaquín Portilla, Miguel Santibañez
BACKGROUND: The new nine-valent vaccine against human papillomavirus (HPV) includes the four HPV genotypes (6, 11, 16, and 18) that are targeted by the older quadrivalent HPV vaccine, plus five additional oncogenic types (31, 33, 45, 52, and 58) remain significantly associated with high grade lesions. We aimed to determine the prevalence of high-risk HPV genotypes in unvaccinated subjects and the association of these genotypes with the incidence of high-grade lesions. We also assessed which, if either, of these two HPV vaccines could have prevented these cases...
January 30, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29377990/hpviewer-sensitive-and-specific-genotyping-of-human-papillomavirus-in-metagenomic-dna
#14
Yuhan Hao, Liying Yang, Antonio Galvao Neto, Milan R Amin, Dervla Kelly, Stuart M Brown, Ryan C Branski, Zhiheng Pei
Motivation: Shotgun DNA sequencing provides sensitive detection of all 182 HPV types in tissue and body fluid. However, existing computational methods either produce false positives misidentifying HPV types due to shared sequences among HPV, human, and prokaryotes, or produce false negative since they identify HPV by assembled contigs requiring large abundant of HPV reads. Results: We designed HPViewer with two custom HPV reference databases masking simple repeats and homology sequences respectively and one homology distance matrix to hybridize these two databases...
January 25, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29377141/evaluation-of-hpv-type-replacement-in-unvaccinated-and-vaccinated-adolescent-females-post-hoc-analysis-of-a-community-randomized-clinical-trial-ii
#15
Penelope Gray, Johanna Palmroth, Tapio Luostarinen, Dan Apter, Gary Dubin, Geoff Garnett, Tiina Eriksson, Kari Natunen, Marko Merikukka, Ville Pimenoff, Anna Söderlund-Strand, Simopekka Vänskä, Jorma Paavonen, Eero Pukkala, Joakim Dillner, Matti Lehtinen
Efficacy of human papillomavirus (HPV) vaccines promises to control HPV infections. However, HPV vaccination program may lay bare an ecological niche for non-vaccine HPV types. We evaluated type-replacement by HPV type and vaccination strategy in a community-randomized trial executed in HPV vaccination naïve population. Thirty-three communities were randomized to gender-neutral vaccination with AS04-adjuvanted HPV16/18 vaccine (Arm A), HPV vaccination of girls and hepatitis B-virus (HBV) vaccination of boys (Arm B), and gender-neutral HBV vaccination (Arm C)...
January 29, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29374678/multiple-types-of-human-papillomavirus-infection-and-anal-precancerous-lesions-in-hiv-infected-men-in-taiwan-a-cross-sectional-study
#16
Shu-Hsing Cheng, Kuo-Sheng Liao, Chi-Chao Wang, Chien-Yu Cheng, Fang-Yeh Chu
OBJECTIVES: This study aimed to assess the relationship between infection with multiple human papillomavirus (HPV) types and abnormal anal cytology in HIV-infected men. DESIGN: An observational, cross-sectional study. SETTING: A regional referral hospital in Taiwan. PARTICIPANTS: In total, 714 HIV-infected men were enrolled between March 2011 and June 2016. Thin preparation anal Pap smears were interpreted according to the 2001 Bethesda System...
January 27, 2018: BMJ Open
https://www.readbyqxmd.com/read/29334901/monitoring-vaccine-and-non-vaccine-hpv-type-prevalence-in-the-post-vaccination-era-in-women-living-in-the-basilicata-region-italy
#17
Francesca Carozzi, Donella Puliti, Cristina Ocello, Pasquale Silvio Anastasio, Espedito Antonio Moliterni, Emilia Perinetti, Laurence Serradell, Elena Burroni, Massimo Confortini, Paola Mantellini, Marco Zappa, Géraldine Dominiak-Felden
BACKGROUND: A large free-of-charge quadrivalent HPV (qHPV) vaccination program, covering four cohorts annually (women 11, 14, 17 and 24 years), has been implemented in Basilicata since 2007. This study evaluated vaccine and non-vaccine HPV prevalence 5-7 years post-vaccination program implementation in vaccinated and unvaccinated women. METHODS: This population-based, cross-sectional study was conducted in the public screening centers of the Local Health Unit in Matera between 2012 and 2014...
January 15, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29331867/classification-and-evolution-of-human-papillomavirus-genome-variants-alpha-5-hpv26-51-69-82-alpha-6-hpv30-53-56-66-alpha-11-hpv34-73-alpha-13-hpv54-and-alpha-3-hpv61
#18
Zigui Chen, Mark Schiffman, Rolando Herrero, Rob DeSalle, Kathryn Anastos, Michel Segondy, Vikrant V Sahasrabuddhe, Patti E Gravitt, Ann W Hsing, Paul K S Chan, Robert D Burk
HPV variants from the same type can be classified into lineages and sublineages based on the complete genome differences and the phylogenetic topologies. We examined nucleotide variations of twelve HPV types within the species Alpha-5 (HPV26, 51, 69, 82), Alpha-6 (HPV30, 53, 56, 66), Alpha-11 (HPV34, 73), Alpha-13 (HPV54) and Alpha-3 (HPV61) by analyzing 1432 partial sequences and 181 complete genomes from multiple geographic populations. The inter-lineage and inter-sublineage mean differences of HPV variants ranged between 0...
January 11, 2018: Virology
https://www.readbyqxmd.com/read/29329337/mitochondrial-dna-ancestry-hpv-infection-and-the-risk-of-cervical-cancer-in-a-multiethnic-population-of-northeastern-argentina
#19
Ines Badano, Daiana J Sanabria, Maria E Totaro, Samara Rubinstein, Juan A Gili, Domingo J Liotta, Maria A Picconi, Rodolfo H Campos, Theodore G Schurr
BACKGROUND: Misiones Province in northeastern Argentina is considered to be a region with a high prevalence of HPV infection and a high mortality rate due to cervical cancer. The reasons for this epidemiological trend are not completely understood. To gain insight into this problem, we explored the relationship between mitochondrial DNA (mtDNA) ancestry, HPV infection, and development of cervical lesions/cancer in women from the city of Posadas in Misiones Province. METHODS: Two hundred and sixty-one women, including 92 cases of patients diagnosed with cervical lesions and 169 controls, were analyzed...
2018: PloS One
https://www.readbyqxmd.com/read/29322839/feasibility-study-of-a-human-papillomavirus-e6-and-e7-oncoprotein-test-for-the-diagnosis-of-cervical-precancer-and-cancer
#20
Jin-Jun Zhang, Xin-Chun Cao, Xiang-Yu Zheng, Hai-Ying Wang, Yong-Wei Li
Objective To evaluate the clinical value of human papillomavirus (HPV) E6 and E7 oncoprotein (HPV E6/E7) detection in the early screening of cervical cancer. Methods This prospective study evaluated all patients with suspected cervical intraepithelial neoplasia (CIN) as identified by the presence of at least one positive indicator from a ThinPrep cytologic test (TCT) and/or a Hybrid Capture 2 (HC2) HPV DNA test. The levels of E6/E7 oncoproteins were determined using Western blot analysis. The diagnostic value of the HPV E6/E7 protein assay was compared with the clinical diagnosis from TCT, HC2 and the gold standard of cervical biopsy histology...
January 1, 2018: Journal of International Medical Research
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