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Human papillomavirus

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https://www.readbyqxmd.com/read/28212473/-five-year-survival-analysis-in-patients-with-penile-cancer
#1
Álvaro José Montiel-Jarquín, Antonio Jesús Contreras-Díaz, Eduardo Vázquez-Cruz, Marco Antonio Chopin-Gazga, María Socorro Romero-Figueroa, Ivet Etchegaray-Morales, Ivan Alvarado-Ortega
BACKGROUND: Short-term survival of penile cancer is poor. The objective was to describe the 5-years penile cancer survival. METHODS: Retrospective cohort study. We included patients with penile cancer managed surgically from 2010 to 2014. Descriptive statistics were used for socio-demographic variables and the Kaplan-Meier estimator for survival function. RESULTS: We studied 22 patients with a mean age of 64.95 years and a time of evolution of 25 months after the diagnosis...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28211039/cutaneous-squamous-cell-carcinoma-an-epidemiological-review
#2
REVIEW
A C Green, C M Olsen
Cutaneous squamous cell carcinoma (SCC) is a common cancer in white populations and its disease burden is often substantially underestimated. SCC occurs more often in men than women and increases dramatically with age; those affected often develop multiple primaries over time, which increases the burden. The main external cause is solar ultraviolet radiation (UVR), with immunosuppression being the other established risk factor, shown by the high SCC rates in organ transplant recipients. Sunbed use and certain genetic disorders and medical conditions are also associated with SCC, while associations with human papillomavirus infection and high bodyweight are not established...
February 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28210481/human-papillomavirus-hpv-virion-induced-cancer-and-subfertility-two-sides-of-the-same-coin
#3
REVIEW
T Depuydt, J Beert, E Bosmans, G Salembier
In the natural history of HPV infections, the HPV virions can induce two different pathways, namely the infec- tious virion producing pathway and the clonal transforming pathway. An overview is given of the burden that is associated with HPV infections that can both lead to cervical cancer and/or temporal subfertility. That HPV infections cause serious global health burden due to HPV-associated cancers is common knowledge, but that it is also responsible for a substantial part of idiopathic subfertility is greatly underestimated...
December 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28209454/treatment-of-carcinoma-in-situ-of-the-glans-penis-with-topical-imiquimod-followed-by-carbon-dioxide-laser-excision
#4
Tullio Torelli, Mario A Catanzaro, Nicola Nicolai, Patrizia Giannatempo, Andrea Necchi, Daniele Raggi, Biagio Paolini, Maurizio Colecchia, Luigi Piva, Davide Biasoni, Silvia Stagni, Antonio Tesone, Roberto Salvioni
BACKGROUND: Different approaches have been described in published studies for carcinoma in situ (CIS) of the glans penis (erythroplasia of Queyrat), including topical chemotherapy or immunotherapy and laser or surgical excision. We evaluated the efficacy of topical imiquimod (IQ) followed by carbon dioxide laser ablation of the lesion. PATIENTS AND METHODS: From 2010 to 2015, 10 patients affected by CIS of the glans were treated by IQ, followed by carbon dioxide laser ablation...
January 18, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28208770/splicing-and-polyadenylation-of-human-papillomavirus-type-16-mrnas
#5
REVIEW
Chengjun Wu, Naoko Kajitani, Stefan Schwartz
The human papillomavirus type 16 (HPV16) life cycle can be divided into an early stage in which the HPV16 genomic DNA is replicated, and a late stage in which the HPV16 structural proteins are synthesized and virions are produced. A strong coupling between the viral life cycle and the differentiation state of the infected cell is highly characteristic of all HPVs. The switch from the HPV16 early gene expression program to the late requires a promoter switch, a polyadenylation signal switch and a shift in alternative splicing...
February 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28207678/mexican-american-college-men-s-mis-understandings-about-hpv-and-cervical-cancer
#6
Tiffany A Schiffner, Lydia P Buki, Raha F Sabet
Latinas have disproportionally high rates of cervical cancer in part due to their reliance on Latino partners to make sexual health decisions, their limited knowledge about human papillomavirus (HPV), and inconsistent Pap smear screening behaviors. In this qualitative study, we examined the sexual health beliefs of Latino college men regarding HPV. Participants included 6 Mexican American college students from a large Midwestern university. We conducted 18 in-depth individual interviews about men's beliefs, attitudes, and knowledge about HPV...
April 2017: Family & Community Health
https://www.readbyqxmd.com/read/28207677/predictors-of-human-papillomavirus-vaccine-initiation-and-completion-among-latino-mothers-of-11-to-17-year-old-daughters-living-along-the-texas-mexico-border
#7
Daisy Y Morales-Campos, Deborah Parra-Medina
Few Texas Latino girls initiate and complete the human papillomavirus (HPV) vaccine series, but few studies have examined predictors of initiation and completion in this group. Mothers are crucial to vaccine uptake. Using self-reported data from mothers of unvaccinated girls (n = 317), we examined the association between predictors (HPV and HPV vaccine knowledge, vaccine self-efficacy) and outcomes (initiation and completion). Despite an increase in HPV and HPV vaccine knowledge from baseline to follow-up (n = 195), we found no association between the predictors and the outcomes...
April 2017: Family & Community Health
https://www.readbyqxmd.com/read/28205267/comparison-of-advansure-hpv-genoblot-and-hybrid%C3%A2-capture%C3%A2-2-assays-for-detection-of-hpv-infection
#8
Kiwoong Ko, Shinae Yu, Min-Jung Kwon, Eun Hee Lee, Hee-Yeon Woo, Hyosoon Park
BACKGROUND: We sought to compare the performance of the AdvanSure assay to the Hybrid Capture (HC) 2 for the detection of high-risk human papillomavirus (HR HPV). METHODS: A total of 855 cervical swab specimens were obtained. We submitted all specimens for HR HPV detection with HC2 and the AdvanSure assay. We subsequently analyzed discordant results and specimens that were positive on both assays using restriction fragment mass polymorphism (RFMP) genotyping analysis...
February 15, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28203108/a-review-of-screening-strategies-for-cervical-cancer-in-human-immunodeficiency-virus-positive-women-in-sub-saharan-africa
#9
REVIEW
Manuela Viviano, Pierre DeBeaudrap, Pierre-Marie Tebeu, Jovanny T Fouogue, Pierre Vassilakos, Patrick Petignat
Cervical cancer (CC) is a leading cause of cancer-related death and a major public health issue in sub-Saharan Africa. This heavy burden parallels that of the human immunodeficiency virus (HIV) infection, which increases the risk of developing CC. Despite the progressive reduction of HIV prevalence in the past decade, the CC incidence and mortality rates in sub-Saharan Africa remain high. The heterogeneity of the distribution of the two diseases in the African continent, together with the different availability of human and material resources, stands in the way of finding an appropriate screening strategy...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28199532/carcinogenicity-of-human-papillomavirus-types-in-hiv-positive-women-a-meta-analysis-from-hpv-infection-to-cervical-cancer
#10
Gary M Clifford, Stephen Tully, Silvia Franceschi
No abstract text is available yet for this article.
February 12, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28199413/low-prevalence-of-human-papillomavirus-in-head-and-neck-squamous-cell-carcinoma-in-the-northwest-region-of-the-philippines
#11
Pia Marie Albano, Dana Holzinger, Christianne Salvador, Jose Orosa, Sheryl Racelis, Modesty Leaño, Danilo Sanchez, Lara Mae Angeles, Gordana Halec, Markus Schmitt, John Donnie Ramos, Michael Pawlita
BACKGROUND: Geographic heterogeneity of human papillomavirus (HPV) involvement in head and neck squamous cell carcinoma (HNSCC) has been observed over the last few years. This trend has not been evaluated in the Philippines. Hence, this study aims to provide for the first time a data on the prevalence of HPV in HNSCC in the northwestern region of the Philippines. METHODS: Two hundred one (201) biopsy samples (179 formalin fixed paraffin embedded and 22 fresh frozen) from 163 Filipino HNSCC cases (oral cavity = 88; larynx = 60; oropharynx = 15) diagnosed between 2003 to 2013 were initially included in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28198978/high-prevalence-of-human-papillomavirus-hpv-in-oral-mucosal-lesions-of-patients-at-the-ambulatory-of-oral-diagnosis-of-the-federal-university-of-sergipe-northeastern-brazil
#12
Mariana Goveia Melo Ribeiro, Larissa Doddi Marcolino, Bruna Ribeiro de Andrade Ramos, Elaine Alves Miranda, Cleverson Luciano Trento, Sona Jain, Ricardo Queiroz Gurgel, Márcia Guimarães da Silva, Silvio Santana Dolabella
Objective: The aim of this study was to evaluate the frequency of HPV infection and its genotypes in patients with oral lesions at the Ambulatory of Oral Diagnosis of the Federal University of Sergipe, Brazil. Material and Methods: We conducted a molecular study with 21 patients (15 females) aged from two to 83 years with clinically detectable oral lesions. Samples were collected through exfoliation of lesions and HPV-DNA was identified using MY09/11 and GP5+/6+ primers...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28198345/-a-woman-with-mohawks-on-the-vaginal-wall
#13
T C M de Sutter, A Logmans, I Dierickx
A 27-year-old female was seen with exophytic protrusions on the vaginal wall. Biopsy showed a squamous papilloma. This benign tumour is an expression of a non-oncogenic human papillomavirus infection. Although treatment is not necessary, screening for sexual transmitted diseases is advised.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28197923/viral-interplay-with-the-host-sumoylation-system
#14
Van G Wilson
Viruses have evolved elaborate means to regulate diverse cellular pathways in order to create a cellular environment that facilitates viral survival and reproduction. This includes enhancing viral macromolecular synthesis and assembly, as well as preventing antiviral responses, including intrinsic, innate, and adaptive immunity. There are numerous mechanisms by which viruses mediate their effects on the host cell, and this includes targeting various cellular post-translational modification systems, including sumoylation...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28196964/fancd2-binds-human-papillomavirus-genomes-and-associates-with-a-distinct-set-of-dna-repair-proteins-to-regulate-viral-replication
#15
Chelsey C Spriggs, Laimonis A Laimins
The life cycle of human papillomavirus (HPV) is dependent on the differentiation state of its host cell. HPV genomes are maintained as low-copy episomes in basal epithelial cells and amplified to thousands of copies per cell in differentiated layers. Replication of high-risk HPVs requires the activation of the ataxia telangiectasia-mutated (ATM) and ATM and Rad3-related (ATR) DNA repair pathways. The Fanconi anemia (FA) pathway is a part of the DNA damage response and mediates cross talk between the ATM and ATR pathways...
February 14, 2017: MBio
https://www.readbyqxmd.com/read/28196735/gtl001-and-bivalent-cyaa-based-therapeutic-vaccine-strategies-against-human-papillomavirus-and-other-tumor-associated-antigens-induce-effector-and-memory-t-cell-responses-that-inhibit-tumor-growth
#16
Michaël Esquerré, Marie Momot, Anne Goubier, Christophe Gonindard, Stéphane Leung-Theung-Long, Yolande Misseri, Marie-Christine Bissery
GTL001 is a bivalent therapeutic vaccine containing human papillomavirus (HPV) 16 and HPV18 E7 proteins inserted in the Bordetella pertussis adenylate cyclase (CyaA) vector intended to prevent cervical cancer in HPV-infected women with normal cervical cytology or mild abnormalities. To be effective, therapeutic cervical cancer vaccines should induce both a T cell-mediated effector response against HPV-infected cells and a robust CD8(+) T-cell memory response to prevent potential later infection. We examined the ability of GTL001 and related bivalent CyaA-based vaccines to induce, in parallel, effector and memory CD8(+) T-cell responses to both vaccine antigens...
February 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28196673/mean-direct-medical-care-costs-associated-with-cervical-cancer-for-commercially-insured-patients-in-texas
#17
David R Lairson, Shuangshuang Fu, Wenyaw Chan, Li Xu, Zeena Shelal, Lois Ramondetta
OBJECTIVE: To determine the mean cervical cancer medical care costs for patients enrolled in commercial insurance in Texas. Cost is represented by insurer and patient payments for care. METHODS: We estimated the mean medical care costs during the first 2years after the index diagnosis date for patients with cervical cancer (cases). Cases were identified using claims-based International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9), diagnosis codes and matched to controls without a claims-based ICD-9 code for cancer using a 2-step propensity score matching method...
February 10, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28196644/re-evaluation-of-epidermodysplasia-verruciformis-reconciling-more-than-90%C3%A2-years-of-debate
#18
REVIEW
Joanna Przybyszewska, Abraham Zlotogorski, Yuval Ramot
Epidermodysplasia verruciformis (EV) is a rare genodermatosis characterized by abnormal susceptibility to cutaneous human beta-papillomavirus infections causing persistent flat warts or pityriasis versicolor-like lesions. This generalized verrucous skin disorder resembles generalized verrucosis, but these 2 conditions are distinguished by differences in clinical manifestation and the human papillomavirus types involved. A breakthrough in our understanding of EV was the discovery that homozygous inactivating mutations in TMC6 (EVER1) and TMC8 (EVER2) determine susceptibility to this disorder; however, they have not solved all EV cases fully...
February 10, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28196178/association-of-human-papillomavirus-vaccine-with-the-development-of-keratinocyte-carcinomas
#19
Anna J Nichols, Amber Heyna Allen, Shahjahan Shareef, Evangelos V Badiavas, Robert S Kirsner, Tim Ioannides
Importance: Keratinocyte carcinomas (KCs), consisting of squamous cell carcinomas (SCCs) and basal cell carcinomas (BCCs), are the most common human malignant neoplasms. Several risk factors have been implicated in KC development. For some SCCs, particularly those in immunocompromised patients, human papillomavirus (HPV) may be an important factor. Objective: To determine whether quadrivalent HPV vaccination would affect the development of KCs in immunocompetent patients with a history of multiple KCs...
February 8, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28195818/notch1-overexpression-correlates-to-improved-survival-in-cancer-of-the-oropharynx
#20
Azeem S Kaka, Nicholas B Nowacki, Bhavna Kumar, Songzhu Zhao, Matthew O Old, Amit Agrawal, Enver Ozer, Ricardo L Carrau, David E Schuller, Pawan Kumar, Theodoros N Teknos
Objectives The Notch1 signaling pathway has recently been shown to be highly dysregulated in head and neck squamous cell carcinoma, but the value of Notch1 as a predictive biomarker is yet to be elucidated in oropharyngeal squamous cell carcinoma (OPSCC). The objective of this study is to evaluate Notch1 expression in surgical OPSCC specimens and determine clinicopathologic correlates. Study Design Case series with planned data collection. Setting Tertiary academic medical center. Subjects and Methods Surgical specimens from 181 patients with OPSCC were collected to create a tissue microarray (TMA)...
February 1, 2017: Otolaryngology—Head and Neck Surgery
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