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hpv human papillomavirus

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https://www.readbyqxmd.com/read/29792298/nanobody-antigen-conjugates-elicit-hpv-specific-anti-tumor-immune-responses
#1
Andrew W Woodham, Ross W Cheloha, Jingjing Ling, Mohammad Rashidian, Stephen C Kolifrath, Maia Mesyngier, Joao N Duarte, Justin M Bader, Joseph G Skeate, Diane M Da Silva, W Martin Kast, Hidde L Ploegh
High-risk human papillomavirus-associated cancers express viral oncoproteins (e.g., E6 and E7) that induce and maintain the malignant phenotype. The viral origin of these proteins makes them attractive targets for development of a therapeutic vaccine. Camelid-derived single-domain antibody fragments (nanobodies or VHHs) that recognize cell surface proteins on antigen-presenting cells (APCs) can serve as targeted delivery vehicles for antigens attached to them. Such VHHs were shown to induce CD4+ and CD8+ T-cell responses against model antigens conjugated to them via sortase, but antitumor responses had not yet been investigated...
May 23, 2018: Cancer Immunology Research
https://www.readbyqxmd.com/read/29789527/regulator-of-chromatin-condensation-1-abrogates-the-g1-cell-cycle-checkpoint-via-cdk1-in-human-papillomavirus-e7-expressing-epithelium-and-cervical-cancer-cells
#2
Lijun Qiao, Jingyi Zheng, Yonghao Tian, Qishu Zhang, Xiao Wang, Jason J Chen, Weifang Zhang
Regulator of chromatin condensation 1 (RCC1) is a major guanine-nucleotide exchange factor for Ran GTPase and plays key roles in nucleo-cytoplasmic transport, mitosis, and nuclear envelope assembly. RCC1 is known to be a critical cell cycle regulator whose loss causes G1 phase arrest, but the molecular basis for this regulation is poorly understood. Furthermore, little is known about the relationship between RCC1 and carcinomas. Human papillomavirus (HPV) infection is highly associated with the development of cervical cancer...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29789243/menacwy-tt-is-immunogenic-when-co-administered-with-tdap-and-as04-hpv16-18-in-girls-and-young-women-results-from-a-phase-iii-randomized-trial
#3
Luis Rivera, Pornthep Chanthavanich, Airi Põder, P V Suryakiran, Archana Jastorff, Marie Van der Wielen
BACKGROUND: Co-administration of vaccines in adolescents may improve coverage. We assessed co-administration of quadrivalent meningococcal serogroups A, C, W and Y tetanus toxoid-conjugate vaccine (MenACWY-TT), human papillomavirus 16/18 AS04-adjuvanted vaccine (AS04-HPV16/18) and tetanus-diphtheria-acellular pertussis vaccine (Tdap) in girls and young women. METHODS: In this phase IIIb study (NCT01755689), 1300 healthy 9-25-year-old females were randomized (1:1:1:1:1) to receive: MenACWY-TT at month (M) 0 and AS04-HPV16/18 at M1, M2, M7; MenACWY-TT and AS04-HPV16/18 at M0 and AS04-HPV16/18 at M1, M6; AS04-HPV16/18 at M0, M1, M6; MenACWY-TT, Tdap and AS04-HPV16/18 at M0 and AS04-HPV16/18 at M1, M6; Tdap and AS04-HPV16/18 at M0 and AS04-HPV16/18 at M1, M6...
May 19, 2018: Vaccine
https://www.readbyqxmd.com/read/29788374/presence-of-hpv-apobec-related-minority-variants-in-hpv16-genomes-from-anal-and-cervical-samples-but-not-in-hpv52-and-hpv58
#4
Alice-Andrée Mariaggi, Hélène Péré, Marine Perrier, Benoit Visseaux, Gilles Collin, David Veyer, Quentin Le Hingrat, Valentine Marie Ferré, Véronique Joly, Anne Couvelard, Margot Bucau, Carine Davitian, Diane Descamps, Laurent Abramowitz, Charlotte Charpentier
Background: The aim of this study was to investigate the presence of minority variants (MV) in high-risk Human Papillomavirus types (hrHPV16, HPV52, HPV58) from cervical and anal smears. Methods: Whole HPV genome ultra-deep sequencing (UDS) was performed on cervical and anal smears collected during patients' follow-up. Bioinformatics analyses were performed using Bowtie2® (Geneious®). Results: We assessed 55 HPV16+, 20 HPV52+ and 17 HPV58+ samples, with significant differences in patient characteristics for the two anatomic sites...
May 17, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29783960/performance-of-oncoe6-cervical-test-with-collection-methods-enabling-self-sampling
#5
Amrei Krings, Anna M Dückelmann, Lutz Moser, Johannes Gollrad, Maarten Wiegerinck, Johannes Schweizer, Andreas M Kaufmann
BACKGROUND: The paradigm shift from cytological screening to Human Papillomavirus (HPV)-based screening for cervical cancer allows the introduction of new technologies in sample collection and diagnostics. The OncoE6™ Cervical Test (OncoE6 Test) is a rapid, easy-to-use lateral flow method detecting HPV16/18 E6 oncoproteins that has proven to detect high-grade cervical lesions with high specificity. If compatible with self-collection samples, this technology might allow for decentralized screening of hard-to-reach populations...
May 21, 2018: BMC Women's Health
https://www.readbyqxmd.com/read/29781877/human-papillomavirus-genotypes-in-invasive-cervical-carcinoma-in-hiv-seropositive-and-seronegative-women-in-zimbabwe
#6
Washington Mudini, Joel Michael Palefsky, Martin John Hale, Michael Zvavahera Chirenje, Rudo Tanyaradzwa Makunike-Mutasa, Fiona Mutisi, Alltalents Murahwa, Altini Mario
BACKGROUND: Invasive cervical carcinoma (ICC) accounts for 23% of all cancer-related deaths in Zimbabwean women. Trials for a national program of genotype-specific HPV vaccines are underway to prevent cervical carcinoma, but the distribution of HPV types among women with ICC according to HIV status is unknown. METHODS: To determine prevalence and distribution of high-risk HPV genotypes by HIV status in women with ICC, we performed a cross-sectional study on women referred for ICC testing at four urban referral hospitals in Zimbabwe from June 2014 - December 2015...
May 16, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29781465/hpv-literacy-the-role-of-english-proficiency-in-korean-american-immigrant-women
#7
Hee Yun Lee, Y Joon Choi, Young Ji Yoon, Jennifer Oh
BACKGROUND: Although Korean American women have one of the highest cervical cancer incidence and mortality rates among all Asian American and non-Hispanic White women, they are less likely to receive the human papillomavirus (HPV) vaccine to prevent cervical cancer. OBJECTIVES: This study aimed to examine Korean American women's HPV literacy and factors related to HPV literacy to identify targeted intervention strategies. METHODS: A quota sampling strategy was used to recruit 243 Korean American women aged 19-85 years in the Atlanta, Georgia, metropolitan area...
June 1, 2018: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29781414/prevalence-of-human-papillomavirus-types-associated-with-cervical-lesions-in-sergipe-state-northeastern-brazil-high-frequency-of-a-possibly-carcinogenic-type
#8
I G S S Serra, E D Araujo, G S Barros, F L S G Santos, R Q Gurgel, M V A Batista
Persistent infection with high-risk human papillomavirus (HPV) is the main cause of cervical cancer and the prevalence of HPV types varies depending on the geographic region. Therefore, this study assessed the prevalence of HPV types in women with cervical lesions from Sergipe state, Northeastern Brazil. A cross-sectional study was conducted in women with cervical lesions from March to December 2014. These lesions were investigated by PCR and HPV types were identified by DNA sequencing. 432 patients were included, of which 337 patients tested positive for HPV...
May 21, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29780771/proposal-for-cervical-cancer-screening-in-the-era-of-hpv-vaccination
#9
REVIEW
Yung-Taek Ouh, Jae Kwan Lee
Eradication of cervical cancer involves the expansion of human papillomavirus (HPV) vaccine coverage and the development of efficient screening guidelines that take vaccination into account. In Korea, the HPV National Immunization Program was launched in 2016 and is expected to shift the prevalence of HPV genotypes in the country, among other effects. The experiences of another countries that implement national immunization programs should be applied to Korea. If HPV vaccines spread nationwide with broader coverage, after a few decades, cervical intraepithelial lesions or invasive cancer should become a rare disease, leading to a predictable decrease in the positive predictive value of cervical screening cytology...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29780768/lack-of-school-requirements-and-clinician-recommendations-for-human-papillomavirus-vaccination
#10
Linda M Niccolai, Anna L North, Alison Footman, Caitlin E Hansen
Background: A strong recommendation from a clinician is one of the best predictors of human papillomavirus (HPV) vaccination among adolescents, yet many clinicians do not provide effective recommendations. The objective of this study was to understand how the lack of school entry requirements for HPV vaccination influences clinicians' recommendations. Design and Methods: Semi-structured interviews with a purposive sample of 32 clinicians were conducted in 2015 in Connecticut USA...
February 5, 2018: Journal of Public Health Research
https://www.readbyqxmd.com/read/29778519/decline-of-hpv-infections-in-scandinavian-cervical-screening-populations-after-introduction-of-hpv-vaccination-programs
#11
Joakim Dillner, Mari Nygård, Christian Munk, Maria Hortlund, Bo T Hansen, Camilla Lagheden, Kai-Li Liaw, Susanne K Kjaer
OBJECTIVE: To monitor the changes in prevalence of human papillomavirus (HPV) infections in women <50 years of age, participating in cervical screening programs of Denmark, Norway, and Sweden, before and after introduction of quadrivalent HPV (qHPV) vaccination. METHODS: Liquid-based cytology samples were collected from 6538 women who attended cervical screening in Denmark, Norway, and Sweden in 2006-2008 and from 6332 similarly enrolled women in 2012-2013...
May 16, 2018: Vaccine
https://www.readbyqxmd.com/read/29778518/an-innovative-medical-school-curriculum-to-address-human-papillomavirus-vaccine-hesitancy
#12
Abigail M Schnaith, Erica M Evans, Caleb Vogt, Andrea M Tinsay, Thomas E Schmidt, Katelyn M Tessier, Britt K Erickson
BACKGROUND: Vaccination rates against Human Papillomavirus (HPV) in the US remain alarmingly low. Physicians can significantly influence a parent's decision to vaccinate their children. However, medical education often lacks training on specific strategies for communicating with vaccine hesitant parents. METHODS: We created an innovative curriculum designed to teach medical students how to address HPV vaccine hesitancy. The curriculum consisted of (1) a presentation on the epidemiology, biology, and disease morbidity associated with HPV, (2) a video that teaches specific communication strategies and (3) role-playing simulations...
May 16, 2018: Vaccine
https://www.readbyqxmd.com/read/29778516/facilitators-of-and-barriers-to-hpv-vaccination-among-sexual-and-gender-minority-patients-at-a-boston-community-health-center
#13
Kaan Z Apaydin, Holly B Fontenot, Derri Shtasel, Sannisha K Dale, Christina P C Borba, Christopher S Lathan, Lori Panther, Kenneth H Mayer, Alex S Keuroghlian
BACKGROUND: Young sexual minority individuals have lower human papillomavirus (HPV) vaccine completion rates than the general population, and little is known about how gender minority people perceive HPV vaccination. The aim of this study was to qualitatively identify patient-, provider-, and systems-level barriers and facilitators for HPV vaccination among sexual and gender minority (SGM) people. METHODS: Fifteen SGM-identified individuals, ages 23-26, were recruited at an urban community health center in Boston, MA, that specializes in care for SGM...
May 16, 2018: Vaccine
https://www.readbyqxmd.com/read/29778314/trends-in-high-grade-cervical-cancer-precursors-in-the-human-papillomavirus-vaccine-era
#14
Fredrick Oakley, Mohamed M Desouki, Manideepthi Pemmaraju, Julia M Gargano, Lauri E Markowitz, Martin Steinau, Elizabeth R Unger, Yuwei Zhu, Oluwole Fadare, Marie R Griffin
INTRODUCTION: The 2006 introduction of human papillomavirus vaccine targeted against genotypes 6, 11, 16, and 18 should result in decreased cervical dysplasia in vaccinated women. However, new cervical cancer guidelines to increase screening intervals complicate interpretation of trends. The hypothesis is that cervical dysplasia would decrease only in young vaccine-eligible women, and not older women. METHODS: The authors identified Davidson County, Tennessee, women aged 18-39 years with cervical intraepithelial neoplasia (CIN) grade 2 or greater and adenocarcinoma in situ, denoted as CIN2+, through pathology reports from laboratories serving this population...
May 16, 2018: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29777406/can-bovine-leukemia-virus-be-related-to-human-breast-cancer-a-review-of-the-evidence
#15
REVIEW
Lucia Martinez Cuesta, Pamela Anahi Lendez, Maria Victoria Nieto Farias, Guillermina Laura Dolcini, Maria Carolina Ceriani
The incidence of breast cancer is continuously increasing worldwide, as influenced by many factors that act synergistically. In the last decade there was an increasing interest in the possible viral etiology of human breast cancer. Since then, many viruses have been associated with this disease (murine mammary tumor virus, MMTV; Epstein-Barr virus, EBV; and human papillomavirus, HPV). Recently, BLV has been identified in human breast cancers giving rise to the hypothesis that it could be one of the causative agents of this condition...
May 18, 2018: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/29777397/telomeres-and-telomerase-during-human-papillomavirus-induced-carcinogenesis
#16
REVIEW
Anna Pańczyszyn, Ewa Boniewska-Bernacka, Grzegorz Głąb
Human papillomaviruses (HPVs) belong to a small spherical virus family and are transmitted through direct contact, most often through sexual behavior. More than 200 types of HPV are known, a dozen or so of which are classified as high-risk viruses (HR HPV) and may contribute to the development of cervical cancer. HPV is a small virus with a capsid composed of L1 and L2 proteins, which are crucial for entry to the cell. The infection begins at the basal cell layer and progresses to involve cells from higher layers of the cervical epithelium...
May 18, 2018: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/29777347/intrauterine-hpv-transmission-a-systematic-review-of-the-literature
#17
REVIEW
Andreas Zouridis, Theodoros Kalampokas, Konstantinos Panoulis, Nicolaos Salakos, Efthimios Deligeoroglou
PURPOSE: To evaluate the percentage of intrauterine vertical human papillomavirus (HPV) transmission among HPV-positive mothers and the relative risk of intrauterine vertical HPV transmission between cesarean and vaginal delivery among HPV-positive women. METHODS: This systematic review was made according to the PRISMA statement. We searched PubMed and Scopus and the final articles were selected by two reviewers. Data from the selected articles were plotted, and the pooled percentage of antenatal vertical HPV transmission among HPV-positive mothers as well as the pooled relative risk of antenatal vertical HPV transmission between cesarean and vaginal delivery among HPV-positive women were calculated...
May 18, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29776582/recurrence-of-human-papillomavirus-related-carcinoma-with-adenoid-cystic-like-features
#18
Andrés Felipe Sáenz González, Eduardo Morera Serna, Adriana Marcela Quintero Duarte, Rafael Ramos Asensio
No abstract text is available yet for this article.
May 15, 2018: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/29775895/ozone-therapy-prevents-the-onset-of-dysplasia-in-hpv16-transgenic-mice-a-pre-clinical-efficacy-and-safety-analysis
#19
C Peirone, V F Mestre, B Medeiros-Fonseca, B Colaço, M J Pires, T Martins, R M Gil da Costa, M J Neuparth, R Medeiros, M M S M Bastos, J A Marques-Magallanes, P A Oliveira
Infection with high-risk human papillomavirus (HPV), most often HPV16, is associated with the development of anogenital and oropharyngeal cancers. Recently, ozone therapy was reported to have considerable efficacy against rabbit VX2 tumors, induced by the cottontail rabbit papillomavirus. The present study aims to determine whether similar results can be obtained in HPV16-transgenic mice, possibly paving the way for new therapeutic options against HPV-induced cancers. HPV16-transgenic and wild-type, female, 20 weeks-old mice were injected intraperitoneally with medical O3 /O2 (80░mL/kg, at O3 50░μg/mL), once a day, for 5 consecutive days...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775416/downregulation-of-the-%C3%AE-1-and-%C3%AE-1-subunit-of-sgc-in-arterial-smooth-muscle-cells-of-opscc-is-hpv-independent
#20
Y Korkmaz, H C Roggendorf, O G Siefer, J Seehawer, T Imhof, M Plomann, W Bloch, A Friebe, C U Huebbers
The nitric oxide (NO)-sensitive soluble guanylyl cyclase (sGC) is a heterodimeric enzyme with an α and β subunit. NO binds to heme of the β1 -subunit of sGC, activates the enzyme in the reduced heme iron state in vascular smooth muscle cells (VSMCs), and generates cGMP-inducing vasodilatation and suppression of VSMC proliferation. In the complex tumor milieu with higher levels of reactive oxygen species (ROS), sGC heme iron may become oxidized and insensitive to NO. To change sGC from an NO-insensitive to NO-sensitive state or NO-independent manner, protein expression of sGC in VSMC is required...
May 1, 2018: Journal of Dental Research
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