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Human papillomavirus testing

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https://www.readbyqxmd.com/read/28717342/prevalence-of-high-risk-genotypes-of-human-papillomavirus-women-diagnosed-with-premalignant-and-malignant-pap-smear-tests-in-southern-ecuador
#1
Paola Dalgo Aguilar, Cisne Loján González, Ana Córdova Rodríguez, Katherine Acurio Páez, Ana Paulina Arévalo, Jana Bobokova
Human papillomavirus (HPV) is the primary infectious agent for the development of cervical cancer, although the presence of the virus alone is insufficient for viral development and proliferation; this can be attributed to the increase in potential oncogenic risk, along with other risk factors. In the present investigation, the prevalence of high-risk HPV was determined from samples of premalignant or malignant cervical cytology in women from the southern region of Ecuador. The kit we used was able to detect genotypes 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, and 59...
2017: Infectious Diseases in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28714529/immunologic-responses-to-a-novel-dna-vaccine-targeting-human-papillomavirus-11-e6e7
#2
Julie Ahn, Shiwen Peng, Chien-Fu Hung, Richard B S Roden, Tzyy-Choou Wu, Simon R Best
OBJECTIVES/HYPOTHESIS: Recurrent respiratory papillomatosis (RRP) is a benign disease caused by human papillomavirus (HPV) types 6 and 11. Although a prophylactic vaccine against RRP is available, a therapeutic vaccine is needed to treat those already infected. The objective of our study was to design and test a DNA vaccine targeting HPV11 proteins. STUDY DESIGN: Preclinical scientific investigation. METHODS: A DNA vaccine encoding the HPV11 E6 and E7 genes linked to calreticulin (CRT) was generated...
July 17, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28710075/the-cost-effectiveness-of-visual-triage-of-human-papillomavirus-positive-women-in-three-low-and-middle-income-countries
#3
Nicole G Campos, Jose Jeronimo, Vivien Tsu, Philip E Castle, Mercy Mvundura, Jane J Kim
BACKGROUND: World Health guidelines support HPV testing alone (followed by treatment with cryotherapy) or in conjunction with visual inspection with acetic acid (VIA) triage testing. Our objective was to determine the cost-effectiveness of VIA triage for HPV-positive women in low-resource settings. METHODS: We calibrated mathematical simulation models of HPV infection and cervical cancer to epidemiologic data from India, Nicaragua, and Uganda. Using cost and test performance data from the START-UP demonstration projects, we assumed screening took place either once or three times in a lifetime between ages 30 and 40 years...
July 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28708758/relationship-between-pelvic-organ-prolapse-and-non-human-papillomavirus-pap-smear-abnormalities
#4
Kimia Menhaji, Heidi S Harvie, Emily Cheston, Pamela J Levin, Lily A Arya, Uduak U Andy
OBJECTIVE: The aim of this study was to determine the association between pelvic organ prolapse (POP) and non-human papillomavirus (HPV) Papanicolaou (Pap) smear abnormalities. METHODS: This was a retrospective cohort study of women aged 40 to 70 years who presented for consultation at our institution between 2010 and 2015 and had results of a Pap smear and HPV test available within 5 years of their visit. We extracted demographic information, medical and social history, Pap smear, and HPV results from the electronic medical record...
July 13, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28707435/evidence-based-policy-choices-for-efficient-and-equitable-cervical-cancer-screening-programs-in-low-resource-settings
#5
Nicole G Campos, Vivien Tsu, Jose Jeronimo, Mercy Mvundura, Jane J Kim
Women in developing countries disproportionately bear the burden of cervical cancer. The availability of prophylactic vaccines against human papillomavirus (HPV) types 16 and 18, which cause approximately 70% of cervical cancers, provides reason for optimism as roll-out begins with support from Gavi, the Vaccine Alliance. However, for the hundreds of millions of women beyond the target age for HPV vaccination, cervical cancer screening to detect and treat precancerous lesions remains the only form of prevention...
July 14, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28704770/detection-of-oncogenic-viruses-in-water-environments-by-a-luminex-based-multiplex-platform-for-high-throughput-screening-of-infectious-agents
#6
P Di Bonito, M Iaconelli, T Gheit, M Tommasino, S Della Libera, L Bonadonna, G La Rosa
Recent studies documented the detection of viruses strongly associated with human cancer in urban sewages and other water environments worldwide. The aim of this study was to estimate the occurrence of human oncogenic viruses in environmental samples (sewage, river, marine, and pool/spa water) using highly sensitive and specific multiplex bead-based assays (Luminex technology). A total of 33 samples were analysed for 140 oncogenic viral agents, including mucosal and cutaneous human papillomaviruses (HPVs), human polyomaviruses (HPyV), human herpesviruses (HHV) and mouse mammary tumour virus (MMTV)...
July 5, 2017: Water Research
https://www.readbyqxmd.com/read/28700422/cervical-squamous-carcinomas-with-prominent-acantholysis-and-areas-resembling-breast-lobular-carcinoma-an-aggressive-form-of-dedifferentation
#7
Kerry Scott, Gareth Bryson, Jackie Jamison, Michael Coutts, W Glenn McCluggage
There have been occasional reports of primary cervical adenocarcinoma with areas of dedifferentiation resulting in morphologic mimicry of breast lobular carcinoma. We describe 4 cases of primary cervical squamous carcinoma with prominent acantholysis (3 cases), areas resembling breast lobular carcinoma (3 cases) or both (2 cases). All 4 tumors showed positivity with p63 and CK5/6 and 3 of 4 exhibited block-type immunoreactivity with p16. Two of the 4 cases contained high-risk human papillomavirus (types 16 and 18) on molecular testing; of the 2 cases which were human papillomavirus negative, 1 exhibited patchy nonblock immunoreactivity with p16...
July 11, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28700089/prevalence-and-genotype-distribution-of-human-papillomavirus-among-females-in-the-suburb-of-shanghai-china
#8
Chengzhong Zhang, Chao Zhang, Jie Huang, Zhouwei Wu, Xingyu Mei, Weimin Shi
OBJECTIVES: To describe the prevalence of human papillomavirus (HPV) and its genotype distribution among females in the suburb of Shanghai. METHODS: A total of 33,562 participants were enrolled in this study from January to December 2016. 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. RESULTS: The overall prevalence of HPV was 18...
July 12, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28696386/analytic-and-diagnostic-performances-of-human-papillomavirus-e6-e7-mrna-test-on-up-to-11-year-old-liquid-based-cervical-samples-a-biobank-based-longitudinal-study
#9
Roberta Zappacosta, Francesca Sablone, Lucia Pansa, Davide Buca, Danilo Buca, Sandra Rosini
Human Papillomavirus (HPV) E6/E7 mRNA test demonstrated high specificity in detecting HPV infections, but studies assessing its efficacy in terms of cancer risk stratification are lacking. Follow-up studies are arduous and expensive. Biobank would be the answer to the problem, although data investigating the effects of long-term storage on RNA preservation are still needed. We addressed these issues by retrieving 202 residual liquid-based cervical specimens, collected from 149 women attending cervical cancer screening during the years 2001-2012...
July 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28692681/cervical-hpv-type-specific-pre-vaccination-prevalence-and-age-distribution-in-croatia
#10
Ivan Sabol, Nina Milutin Gašperov, Mihaela Matovina, Ksenija Božinović, Goran Grubišić, Ivan Fistonić, Dragan Belci, Laia Alemany, Sonja Džebro, Mara Dominis, Mario Šekerija, Sara Tous, Silvia de Sanjosé, Magdalena Grce
The main etiological factor of precancerous lesion and invasive cervical cancer are oncogenic human papillomaviruses types (HPVs). The objective of this study was to establish the distribution of the most common HPVs in different cervical lesions and cancer prior to the implementation of organized population-based cervical screening and HPV vaccination in Croatia. In this study, 4,432 cervical specimens, collected through a 16-year period, were tested for the presence of HPV-DNA by polymerase chain reaction (PCR) with three sets of broad-spectrum primers and type-specific primers for most common low-risk (LR) types (HPV-6, 11) and the most common high-risk (HR) types (HPV-16, 18, 31, 33, 45, 52, 58)...
2017: PloS One
https://www.readbyqxmd.com/read/28692545/selection-of-women-at-risk-for-cervical-cancer-in-an-hiv-infected-south-african-population
#11
Marjolein Van Zummeren, Wieke W Kremer, Matthys C Van Aardt, Erika Breytenbach, Karin L Richter, Lawrence Rozendaal, Birgit I Witte, Lise M A de Strooper, Albertus T Hesselink, Daniëlle A M Heideman, Peter J F Snijders, Renske D M Steenbergen, Greta Dreyer, Chris J L M Meijer
OBJECTIVE: Cervical cancer is the leading cause of cancer-related death in women in South Africa. This study evaluates DNA methylation levels in cervical (pre)cancer and aims to assess the value of high-risk human papillomavirus (hrHPV) testing and methylation analysis, alone or in combination, on physician-taken cervical scrapes to detect cervical cancer, and cervical intraepithelial neoplasia grade 3 (CIN3) in an HIV-infected South African population. DESIGN: Prospective observational multi-centre cohort study...
July 7, 2017: AIDS
https://www.readbyqxmd.com/read/28691338/optimizing-secondary-prevention-of-cervical-cancer-recent%C3%A2-advances-and-future-challenges
#12
Gina Ogilvie, Carolyn Nakisige, Warner K Huh, Ravi Mehrotra, Eduardo L Franco, Jose Jeronimo
Although human papillomavirus (HPV) vaccines offer enormous promise for the ultimate control and possible elimination of cervical cancer, barriers to uptake and coverage of the vaccine both in high- and low/middle-income settings mean that advances in secondary prevention continue to be essential to prevent unnecessary deaths and suffering from cervical cancer for decades to come. While cytology (the Pap smear) has reduced cervical cancer incidence and prevalence in jurisdictions where it has been systematically implemented in population-based programs-mainly in high-income settings-limitations inherent to this method, and to program delivery, leave many women still vulnerable to cervical cancer...
July 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28691336/management-algorithms-for-cervical-cancer-screening-and-precancer-treatment-for-resource-limited-settings
#13
Partha Basu, Filip Meheus, Youssef Chami, Roopa Hariprasad, Fanghui Zhao, Rengaswamy Sankaranarayanan
Management algorithms for screen-positive women in cervical cancer prevention programs have undergone substantial changes in recent years. The WHO strongly recommends human papillomavirus (HPV) testing for primary screening, if affordable, or if not, then visual inspection with acetic acid (VIA), and promotes treatment directly following screening through the screen-and-treat approach (one or two clinic visits). While VIA-positive women can be offered immediate ablative treatment based on certain eligibility criteria, HPV-positive women need to undergo subsequent VIA to determine their eligibility...
July 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28691334/the-health-and-economic-impact-of-scaling-cervical-cancer-prevention-in-50-low-and-lower-middle-income-countries
#14
Nicole G Campos, Monisha Sharma, Andrew Clark, Kyueun Lee, Fangli Geng, Catherine Regan, Jane Kim, Stephen Resch
OBJECTIVE: To estimate the health impact, financial costs, and cost-effectiveness of scaling-up coverage of human papillomavirus (HPV) vaccination (young girls) and cervical cancer screening (women of screening age) for women in countries that will likely need donor assistance. METHODS: We used a model-based approach to synthesize population, demographic, and epidemiological data from 50 low- and lower-middle-income countries. Models were used to project the costs (US $), lifetime health impact (cervical cancer cases, deaths averted), and cost-effectiveness (US $ per disability adjusted life year [DALY] averted) of: (1) two-dose HPV-16/18 vaccination of girls aged 10 years; (2) once-in-a-lifetime screening, with treatment when needed, of women aged 35 years with either HPV DNA testing or visual inspection with acetic acid (VIA); and (3) cervical cancer treatment over a 10-year roll-out...
July 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28689156/first-void-urine-a-potential-biomarker-source-for-triage-of-high-risk-human-papillomavirus-infected-women
#15
REVIEW
Severien Van Keer, Jade Pattyn, Wiebren A A Tjalma, Xaveer Van Ostade, Margareta Ieven, Pierre Van Damme, Alex Vorsters
Great interest has been directed towards the use of first-void urine as a liquid biopsy for high-risk human papillomavirus DNA testing. Despite the high correlations established between urinary and cervical infections, human papillomavirus testing is unable to distinguish between productive and transforming high-risk infections that have the tendency to progress to cervical cancer. Thus far, investigations have been primarily confined to the identification of biomarkers for triage of high-risk human papillomavirus-positive women in cervicovaginal specimens and tissue biopsies...
June 27, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28688605/human-papillomavirus-prevalence-in-the-anus-and-urine-among-hiv-infected-japanese-men-who-have-sex-with-men
#16
Hiroshi Yaegashi, Kazuyoshi Shigehara, Ichiro Itoda, Mitsuaki Ohkodo, Kazufumi Nakashima, Shohei Kawaguchi, Mikio Ueda, Koji Izumi, Yoshifumi Kadono, Hiroko Ikeda, Mikio Namiki, Atsushi Mizokami
BACKGROUND: The present study investigated human papillomavirus (HPV) prevalence in anal and urine samples, and evaluated cytological findings among human immunodeficiency virus (HIV)-infected Japanese men who have sex with men (MSM). METHODS: A total of 148 patients were enrolled. Anal and urine samples were collected from each participant, and a HPV-DNA test and genotyping were performed using flow-through hybridization. In addition, anal cytology was evaluated based on Papanicolaou staining...
July 6, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28688192/assessment-of-human-papillomavirus-awareness-in-association-with-head-and-neck-cancer-at-a-screening-event
#17
Michael H Berger, Erin R Cohen, Alan G Shamrock, Brandon Chan, Michelle Camp, Kaming Lo, Zoukaa B Sargi
OBJECTIVES/HYPOTHESIS: To assess the baseline awareness of human papillomavirus (HPV) infection as a cause of head and neck cancer (HNC) to design improved targeted screening and education efforts. STUDY DESIGN: Retrospective review of collected survey at a cancer screening event. METHODS: This was a screening event at three hospitals and one community center in Miami, Florida. Participants were recruited throughout the Greater Miami area...
July 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28686646/cystic-nodal-metastasis-in-patients-with-oropharyngeal-squamous-cell-carcinoma-receiving-chemoradiotherapy-relationship-with-human-papillomavirus-status-and-failure-patterns
#18
Yu-Han Huang, Chih-Hua Yeh, Nai-Ming Cheng, Chien-Yu Lin, Hung-Ming Wang, Sheung-Fat Ko, Cheng-Hong Toh, Tzu-Chen Yen, Chun-Ta Liao, Shu-Hang Ng
OBJECTIVES: We investigated the relationships of cystic nodal metastasis, human papillomavirus (HPV) status, and treatment failure patterns in patients with oropharyngeal squamous cell carcinoma (OPSCC) treated with chemoradiotherapy. METHODS: We retrospectively reviewed pretreatment MRI and clinical courses of patients with OPSCC whose tumors were tested for HPV-induced p16 expression via immunohistochemistry and who completed chemoradiotherapy. Cervical cystic nodal metastasis and necrotic nodal metastasis were classified on MRI...
2017: PloS One
https://www.readbyqxmd.com/read/28685883/intra-and-inter-observer-reproducibility-of-cintec-%C3%A2-plus-in-thinprep-%C3%A2-cytology-preparations
#19
M McMenamin, M McKenna, A McDowell, C Dawson, R McKenna
BACKGROUND: This study evaluated the intra- and inter-observer reproducibility of the dual-stain biomarker, CINtec(®) PLUS cytology in ThinPrep(®) specimens, for improved specificity in the detection of cervical disease in women testing human papillomavirus (HPV) positive. METHODS: A total of 972 cases of HPV-positive women from a triage and primary HPV screening population were selected from an ongoing study evaluating the clinical performance of CINtec(®) PLUS cytology...
July 6, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28681204/association-of-asymptomatic-bacterial-vaginosis-with-persistence-of-female-genital-human-papillomavirus-infection
#20
K Kero, J Rautava, K Syrjänen, S Grenman, S Syrjänen
More data are needed on the role of abnormal vaginal microbiota in the natural history of cervical human papillomavirus (HPV) infections. Our purpose was to study the prevalence of mixed flora (MF), bacterial vaginosis (BV) and yeast infection in women with known HPV outcomes during the 72-month follow-up (FU). Asymptomatic pregnant women (N = 329) were enrolled in the third trimester of their pregnancy. Pap smears and HPV genotyping samples were taken at baseline and at 12-, 24-, 36- and 72-month FU visits, with one additional sample at 2 months for HPV...
July 5, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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