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https://www.readbyqxmd.com/read/29679470/molecular-progression-to-cervical-precancer-epigenetic-switch-or-sequential-model
#1
Belinda Nedjai, Caroline Reuter, Amar Ahmad, Rawinder Banwait, Rhian Warman, James Carton, Sabrina Boer, Jack Cuzick, Attila Lorincz
The evolution of precancerous cervical lesions is poorly understood. A widely held model of cervical intraepithelial neoplasia grade 3 (CIN3) development is sequential progression from normal through CIN1 and CIN2 to CIN3. Another hypothesis, the "molecular switch" model, postulates that CIN3 can evolve directly from human papillomavirus (HPV)-infected normal epithelium without progressing through CIN1 and CIN2. To shed light on this process, we compared DNA methylation of selected human biomarkers and HPV types in two groups of CIN1: CIN1 that were near or adjacent to CIN3 (adjacent-CIN1) and CIN1 that were the principal lesions with no CIN3 detected (principal-CIN1)...
April 21, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29673740/recent-intrauterine-device-use-and-the-risk-of-precancerous-cervical-lesions-and-cervical-cancer
#2
Sarah Averbach, Michael J Silverberg, Wendy Leyden, Karen Smith-McCune, Tina Raine-Bennett, George F Sawaya
OBJECTIVE: Understanding the effect of contraceptives on the development of precancerous lesions of the cervix and cervical cancer may provide information that is valuable to women in contraceptive decision-making. The purpose of this study was to evaluate the association between recent intrauterine device (IUD) use (by type) and cervical intraepithelial neoplasia 2, 3, adenocarcinoma in situ or cancer (CIN2+ or CIN3+). STUDY DESIGN: Case-control study of 17,559 women age 18-49 with incident CIN2+ cases and 5:1 age-matched, incidence-density selected controls (N=87,378) who were members of Kaiser Permanente Northern California Healthcare System from 1996-2014...
April 16, 2018: Contraception
https://www.readbyqxmd.com/read/29668071/human-papillomavirus-an-unlikely-etiologic-factor-in-sinonasal-inverted-papilloma
#3
Sepideh Mohajeri, Chi Lai, Bibianna Purgina, Dakheelallah Almutairi, Tabassom Baghai, Jim Dimitroulakos, Shaun Kilty
OBJECTIVES/HYPOTHESIS: Tenuous evidence has supported the hypothesis that sinonasal inverted papilloma (SNIP) arise from human papillomavirus (HPV) infection. To clarify the role of HPV in SNIP, all known HPV sub-types were evaluated by employing a robust polymerase chain reaction-based method in a wide variety of SNIPs from a single institution. STUDY DESIGN: Retrospective surgical specimen tumor sample analysis. METHODS: HPV positivity among SNIP samples and those with squamous cell carcinoma (SCC) were compared...
April 18, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29659751/a-randomized-placebo-controlled-trial-of-the-quadrivalent-hpv-vaccine-in-hiv-infected-adults-age-27-years-or-older-aids-clinical-trials-group-protocol-a5298
#4
Timothy J Wilkin, Huichao Chen, Michelle S Cespedes, Jorge T Leon-Cruz, Catherine Godfrey, Elizabeth Y Chiao, Barbara Bastow, Jennifer Webster-Cyriaque, Qinghua Feng, Joan Dragavon, Robert W Coombs, Rachel M Presti, Alfred Saah, Ross D Cranston
Background: Adults living with HIV are at increased risk for anal and oropharyngeal cancer caused by human papillomavirus (HPV). The efficacy of HPV vaccines in this population is unknown. Methods: Phase 3, double-blind, randomized controlled trial. We assigned HIV-infected adults age 27 or older to the quadrivalent HPV (Types 6, 11, 16, 18) vaccine or placebo (1:1) stratified by sex and presence of anal high-grade squamous intraepithelial lesions on biopsy (bHSIL)...
April 5, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29652189/a-review-and-update-on-papillary-immature-metaplasia-of-the-uterine-cervix-a-distinct-subset-of-low-grade-squamous-intraepithelial-lesion-proposing-a-possible-cell-of-origin
#5
Soon Auck Hong, Su Hyun Yoo, Jene Choi, Stanley J Robboy, Kyu-Rae Kim
CONTEXT: - Papillary immature metaplasia (PIM) is a known papillary cervical lesion associated with low-risk human papilloma virus (LR-HPV). OBJECTIVE: - To evaluate additional clinicopathologic features and the HPV genotypes of PIM and discuss the presumptive cell of origin. DESIGN: - A total of 26 PIM cases were evaluated by p16INK4a , cytokeratin (CK) 7, and CK17 immunohistochemical stainings. Human papilloma virus genotyping was performed, by using HPV DNA Chip, HPV polymerase chain reaction (PCR), and real-time PCR...
April 13, 2018: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29607821/human-papilloma-virus-hpv-in-sinonasal-papillomas-and-squamous-cell-carcinomas-a-pcr-based-study-of-60-cases
#6
Ambreen Beigh, Ruby Rashi, Sheikh Junaid, Mehnaz Sultan Khuroo, Summyia Farook
This study was carried out to observe the association of Human Papilloma Virus (HPV) with papillomas and squamous cell carcinomas of the sinonasal region. The present study was a hospital-based study conducted over a period of three years from May, 2014 to May, 2017 in the Department of Pathology, Government Medical College, Srinagar. A total of 196 cases of non-neoplastic and neoplastic lesions of nasal cavity and paranasal sinuses were observed during the study period. Out of total 196 cases, 102 were non-neoplastic and 94 were neoplastic...
January 2018: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/29594918/squamous-cell-papillomatosis-in-the-setting-of-recurrent-respiratory-papillomatosis
#7
Pasha L Bentley, Michael J Coulter, Brenda L Nelson
A 23 year old male presented to the Otolaryngology clinic with 6 months of hoarseness and poor voice projection without improvement from speech therapy or medical anti-reflux medication. Upon examination he was found to have multiple polypoid lesions emanating from bilateral false vocal folds, left true vocal fold, and the anterior commissure. Biopsy and potassium titanyl phosphate (KTP) laser ablation with bevacizumab injection provided treatment and confirmed the clinical suspicion of squamous cell papilloma...
March 28, 2018: Head and Neck Pathology
https://www.readbyqxmd.com/read/29587796/human-papilloma-virus-correlates-of-high-grade-cervical-dysplasia-in-hiv-infected-women-in-mombasa-kenya-a-cross-sectional-analysis
#8
Sonia Menon, Stanley Luchters, Rodolfo Rossi, Steven Callens, Mandaliya Kishor, Johannes Bogers, Davy Vanden Broeck
BACKGROUND: Women living with HIV are at increased risk to be co-infected with HPV, persistent high-risk (HR) human papillomavirus (HPV) infection and increased HR HPV viral load, which make them more at risk for cervical cancer. Despite their inherent vulnerability, there is a scarcity of data on potential high risk (pHR) and HR HPV genotypes in HIV- infected women with cervical dysplasia and HPV-type specific viral load in this population in Sub Saharan Africa. The aim of this analysis of HIV-infected women was to explore the virological correlates of high-grade cervical dysplasia (CIN 2+) in HIV-infected women, thereby profiling HPV genotypes...
March 27, 2018: Virology Journal
https://www.readbyqxmd.com/read/29582635/possible-synergistic-interactions-among-multiple-hpv-genotypes-in-women-suffering-from-genital-neoplasia
#9
Massoud Hajia, Amir Sohrabi
Objective: Persistence of HPV infection is the true cause of cervical disorders. It is reported that competition may exist among HPV genotypes for colonization. This survey was designed to establish the multiple HPV genotype status in our community and the probability of multiple HPV infections involvement. Methods: All multiple HPV infections were selected for investigation in women suffering from genital infections referred to private laboratories in Tehran, Iran. A total of 160 multi HPV positive specimens from cervical scraping were identified by the HPV genotyping methods, "INNO-LiPA and Geno Array"...
March 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29580212/frequency-of-hpv-in-oral-cavity-squamous-cell-carcinoma
#10
Priscila Marinho de Abreu, Anna Clara Gregório Có, Pedro Leite Azevedo, Isabella Bittencourt do Valle, Karine Gadioli de Oliveira, Sônia Alves Gouvea, Melissa Freitas Cordeiro-Silva, Iúri Drummond Louro, José Roberto Vasconcelos de Podestá, Jeferson Lenzi, Agenor Sena, Elismauro Francisco Mendonça, Sandra Lúcia Ventorin von Zeidler
BACKGROUND: The prevalence of high-risk human papillomavirus (HPV) DNA in cases of oral cavity squamous cell carcinoma (SCC) varies widely. The aim of this study is to investigate the frequency of high-risk HPV DNA in a large Brazilian cohort of patients with oral cavity SCC. METHODS: Biopsy and resected frozen and formalin-fixed paraffin-embedded specimens of oral cavity SCC were available from 101 patients who were recruited at two Brazilian centres. Stringent measures with respect to case selection and prevention of sample contamination were adopted to ensure reliability of the data...
March 27, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29571035/prevalence-and-age-wise-distribution-of-human-papillomavirus-type-16-18-infections-among-hospital-screened-women-of-a-peri-urban-area-in-west-bengal-impact-of-socio-demographic-factors
#11
Amrapali Bhattacharya, Shrinka Sen, Paramita Mandal, Sweta Sharma Saha, Somosree Sarkar, Om Prakash Pathak, Lena Biswas, Jayeeta Roy, Rimpa Banerjee, Ranita Roy Chowdhury, Manidip Pal, Ankur Mukherjee, Sharmila Sengupta
BACKGROUND: We undertook the current study on cervical Human Papillomavirus (HPV) prevalence along with cytology in women visiting the Gynecology Out-patient Department of a hospital for common gynecological ailments, subsequent to our earlier population-based study on HPV prevalence from India. METHODS: We analyzed data on cervical-cytology (Pap smears) and PCR-based molecular detection of HPV infection along with socio-demographic variables (N = 696). RESULTS: We identified 36...
March 20, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29568922/phylogeny-and-polymorphism-in-the-long-control-regions-e6-e7-and-l1-of-hpv-type-56-in-women-from-southwest-china
#12
Yaling Jing, Tao Wang, Zuyi Chen, Xianping Ding, Jianju Xu, Xuemei Mu, Man Cao, Honghan Chen
Globally, human papillomavirus (HPV)‑56 accounts for a small proportion of all high‑risk HPV types; however, HPV‑56 is detected at a higher rate in Asia, particularly in southwest China. The present study analyzed polymorphisms, intratypic variants, and genetic variability in the long control regions (LCR), E6, E7, and L1 of HPV‑56 (n=75). The LCRs, E6, E7 and L1 were sequenced using a polymerase chain reaction and the sequences were submitted to GenBank. Maximum‑likelihood trees were constructed using Kimura's two‑parameter model, followed by secondary structure analysis and protein damaging prediction...
March 14, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29555601/seroprevalence-of-hpv-6-11-16-and-18-and-correlates-of-exposure-in-unvaccinated-women-aged-16-64-years-in-puerto-rico
#13
A P Ortiz, G Tortolero-Luna, J Romaguera, C M Pérez, D González, C Muñoz, L González, E Marrero, E Suárez, J M Palesfky, G Panicker, E R Unger
BACKGROUND: To understand risk factors for HPV exposure in Puerto Rican women, we evaluated HPV 6, 11, 16, and 18 serology in women aged living in the San Juan metropolitan area. METHODS: As part of a cross-sectional study, a population-based sample of 524 HPV unvaccinated Hispanic women ages 16-64 years completed face-to-face and computer assisted interviews and provided blood and self-collected anal and cervical specimens. Serology used multiplex virus-like particle based-IgG ELISA and HPV DNA was detected with L1-consensus PCR...
March 16, 2018: Papillomavirus Research
https://www.readbyqxmd.com/read/29554238/prevalence-and-correlates-of-trichomonas-vaginalis-infection-among-men-and-women-in-the-united-states
#14
Eshan U Patel, Charlotte A Gaydos, Zoe R Packman, Thomas C Quinn, Aaron A R Tobian
Background: The epidemiology of Trichomonas vaginalis (TV) infection in the United States is poorly defined. Methods: Males and females aged 18-59 years who participated in the 2013-2014 National Health and Nutrition Examination Survey and provided a urine specimen were tested for TV infection (n = 4057). Participants were also examined for Chlamydia trachomatis (CT) infection, genital human papillomavirus (HPV) infection, and herpes simplex virus type 2 serostatus...
March 15, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29553886/estimation-of-the-individual-residual-risk-of-cervical-cancer-after-vaccination-with-the-nonavalent-hpv-vaccine
#15
Karl-Ulrich Petry, Kaatje Bollaerts, Paolo Bonanni, Margaret Stanley, Rosybel Drury, Elmar Joura, Susanne K Kjaer, Chris J L M Meijer, Didier Riethmuller, Benoit Soubeyrand, Pierre Van Damme, Xavier Bosch
BACKGROUND: The nonavalent HPV (9vHPV) vaccine is indicated for active immunisation of individuals from the age of 9 years against cervical, vulvar, vaginal and anal premalignant lesions and cancers causally related to vaccine HPV high risk types 16, 18, 31, 33, 45, 52 and 58, and to the HPV low risk types 6 and 11, causing genital warts. OBJECTIVE: To estimate the lifetime risk (up to the age of 75 years) for developing cervical cancer after vaccinating a HPV naïve girl (e...
March 19, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29547758/human-papillomavirus-type-16-integration-analysis-by-real-time-pcr-assay-in-associated-cancers
#16
Mohammad Hadi Karbalaie Niya, Hossein Keyvani, Fahimeh Safarnezhad Tameshkel, Mostafa Salehi-Vaziri, Sedigheh Teaghinezhad-S, Farah Bokharaei Salim, Seyed Hamid Reza Monavari, Davod Javanmard
Human papillomavirus (HPV) is a common viral infection worldwide associated with a variety of cancers. The integration of the HPV genome in these patients causes chromosomal instability and triggers carcinogenesis. The aim of this study was to investigate the HPV-16 genome physical status in four major cancers related to HPV infection. Formalin-fixed paraffin-embedded blocks from our previous projects on head and neck, colorectal, penile, and cervical cancers were collected, and HPV-16-positive specimens were used for further analysis...
March 13, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29547681/seroprevalence-of-human-papillomavirus-hpv-type-6-11-16-18-by-anatomic-site-of-hpv-infection-in-women-aged-16-64-years-living-in-the-metropolitan-area-of-san-juan-puerto-rico
#17
Aixa M Pérez-Caraballo, Erick Suarez, Elizabeth R Unger, Joel M Palefsky, Gitika Panicker, Ana Patricia Ortiz
OBJECTIVE: It is unknown if human papillomavirus (HPV) serum antibody responses vary by anatomic site of infection. We aimed to assess the seroprevalence for HPV 6, 11, 16 and 18 in association with HPV DNA detection in different anatomic sites among women. METHODS: This cross sectional population-based study analyzed data from 524 women aged 16-64 years living in the San Juan metropolitan area of Puerto Rico (PR). Questionnaires were used to assess demographic and lifestyle variables, while anogenital and blood samples were collected for HPV analysis...
March 2018: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/29529245/seroprevalences-for-11-human-papillomavirus-hpv-types-mark-cumulative-hpv-exposure
#18
Hanna Artemchuk, Tina Triglav, Anja Oštrbenk, Mario Poljak, Joakim Dillner, Helena Faust
Background: The antibody response against HPV-16 and -18 is well known, but many genital HPV types are oncogenic. We assessed the correlation between HPV DNA and antibodies to eleven HPV types. Methods: 2,024 women attending the organized national cervical cancer screening program in Slovenia were tested for cervical high-risk HPV DNA (HPV-16,-18,-31,-33,-35,-39,-45,-52,-56,-58,-59,-68) and serum anti-HPV antibodies. 1,848 of these women were tested with the same methods three years earlier...
February 26, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29528986/high-baseline-anal-human-papillomavirus-and-abnormal-anal-cytology-in-a-phase-3-trial-of-the-quadrivalent-human-papillomavirus-vaccine-in-human-immunodeficiency-virus-infected-individuals-older-than-26-years-actg-5298
#19
Ross D Cranston, Michelle S Cespedes, Pawel Paczuski, Ming Yang, Robert W Coombs, Joan Dragavon, Alfred Saah, Catherine Godfrey, Jennifer Y Webster-Cyriaque, Elizabeth Y Chiao, Barbara Bastow, Timothy Wilkin
BACKGROUND: The quadrivalent human papillomavirus (HPV) vaccine (qHPV; types 6, 11, 16, 18) is indicated for men and women aged 9 to 26 years to prevent HPV associated anogenital high-grade squamous intraepithelial lesions (HSIL) and cancer. ACTG 5298 was a randomized placebo controlled Phase 3 study in human immunodeficiency virus (HIV)-infected men who have sex with men, and women of qHPV to prevent persistent anal HPV infection. Baseline data are presented here. METHODS: Human immunodeficiency virus-infected men who have sex with men, and women 27 years or older without previous anogenital or oral cancer were enrolled...
April 2018: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/29518562/the-performance-of-human-papillomavirus-dna-detection-with-type-16-18-genotyping-by-hybrid-capture-in-primary-test-of-cervical-cancer-screening-a-cross-sectional-study-in-10-669-chinese-women
#20
Xiumin Zhao, Qiongyan Wu, Xinyu Wang, Yunfeng Fu, Xiaofei Zhang, Xun Tian, Bei Cheng, Bingjian Lu, Xiao Yu, Suqiu Lan, Weiguo Lu, Ding Ma, Xiaodong Cheng, Xing Xie
OBJECTIVES: We aimed to assess the performance of DH3 human papillomavirus (HPV) assay, a newly developed hybrid capture technique that detects 14 high-risk HPVs with type 16/18 genotyping, as a primary test in cervical cancer screening. METHODS: Totally 11,356 Chinese women aged 21-65 years participated in a cervical cancer screening program using cytology (Thinprep, Hologic) and HPV testing (Cobas 4800 Test, Roche). Residual samples were used to detect HPV by DH3 HPV...
March 5, 2018: Clinical Microbiology and Infection
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