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https://www.readbyqxmd.com/read/28445270/pooled-analysis-on-the-necessity-of-random-4-quadrant-cervical-biopsies-and-endocervical-curettage-in-women-with-positive-screening-but-negative-colposcopy
#1
Shang-Ying Hu, Wen-Hua Zhang, Shu-Min Li, Nan Li, Man-Ni Huang, Qin-Jing Pan, Xun Zhang, Ying Han, Fang-Hui Zhao, Wen Chen, You-Lin Qiao
Controversy remains over whether random cervical biopsies and endocervical curettage (ECC) should be used in women with positive screening but negative colposcopy. Our paper aims to determine the indications for random biopsies and ECC among these screened positive women.Three thousand two hundred thirteen women with any positive screening test result but negative colposcopy, who received random 4-quadrant biopsies, were pooled from 17 population-based cervical cancer screening studies done in China from 1999 to 2008...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28444451/new-tumor-entities-in-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumors-nasal-cavity-paranasal-sinuses-and-skull-base
#2
REVIEW
Lester D R Thompson, Alessandro Franchi
The World Health Organization recently published the 4th edition of the Classification of Head and Neck Tumors, including several new entities, emerging entities, and significant updates to the classification and characterization of tumor and tumor-like lesions, specifically as it relates to nasal cavity, paranasal sinuses, and skull base in this overview. Of note, three new entities (NUT carcinoma, seromucinous hamartoma, biphenotypic sinonasal sarcoma,) were added to this section, while emerging entities (SMARCB1-deficient carcinoma and HPV-related carcinoma with adenoid cystic-like features) and several tumor-like entities (respiratory epithelial adenomatoid hamartoma, chondromesenchymal hamartoma) were included as provisional diagnoses or discussed in the setting of the differential diagnosis...
April 25, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28442504/characterization-of-the-tumor-t-cell-receptor-repertoire-and-immune-microenvironment-in-patients-with-locoregionally-advanced-squamous-cell-carcinoma-of-the-head-and-neck
#3
Vassiliki Saloura, Aiman Fatima, Makda Zewde, Kazuma Kiyotani, Ryan J Brisson, Jae-Hyun Park, Yuji Ikeda, Theodore Vougiouklakis, Riyue Bao, Tanguy Y Seiwert, Nicole A Cipriani, Mark W Lingen, Everett E Vokes, Yusuke Nakamura
Squamous cell carcinoma of the head and neck (SCCHN) is a lethal cancer with a suboptimal 5-year overall survival of approximately 50% with surgery and/or definitive chemoradiotherapy. Novel treatments are thus urgently awaited. Immunotherapy with checkpoint blockade has emerged as a promising option for patients with recurrent/metastatic SCCHN, however it has not been investigated in the curative-intent setting yet. The purpose of this study was to investigate the T-cell receptor repertoire and the tumor microenvironment in tumor tissues of SCCHN patients with locoregionally advanced disease...
April 25, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28442134/hpv-vaccines-a-review-of-the-first-decade
#4
REVIEW
Diane M Harper, Leslie R DeMars
Pre-adolescent girls (9-15years) have the option of receiving a two dose HPV vaccine series at either a six month or one year interval to provide protection from HPV 16, the most prevalent type associated with cervical cancers, as well as several other less prevalent types. This series of vaccinations is highly likely to protect her from HPV infection until she enters the routine screening program, whether that be primary HPV testing or a combination of HPV testing and cytology. The two dose program has been recommended by the World Health Organization (WHO) since 2015...
April 22, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28441787/codon-usage-optimization-and-construction-of-plasmid-encoding-iranian-human-papillomavirus-type-16-e7-oncogene-for-lactococcus-lactis-subsp-cremoris-mg1363
#5
Amir Hossein Mohseni, Vadood Razavilar, Hossein Keyvani, Mohammad Reza Razavi, Ramazan Ali Khavari Nejad
HPV 16 intratypic sequence variations has been recognized in association with oncogenic potential diverge and geographic distribution. This study aimed to investigate nucleotide modifications and optimization of HPV 16 E7 regions from Iranian infected women. Cervical biopsies from 79/163 HPV 16 positive cancer patients detected in our study were analyzed by PCR in a couple of cloning of a complete ORF of the E7 gene, and sequencing. The most frequently observed variant was C196T in E7 which led to an amino acid change of R66W...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441771/hepatocyte-growth-factor-c-met-signaling-in-head-and-neck-cancer-and-implications-for-treatment
#6
REVIEW
Natalie J Rothenberger, Laura P Stabile
Aberrant signaling of the hepatocyte growth factor (HGF)/c-Met pathway has been identified as a promoter of tumorigenesis in several tumor types including head and neck squamous cell carcinoma (HNSCC). Despite a relatively low c-Met mutation frequency, overexpression of HGF and its receptor c-Met has been observed in more than 80% of HNSCC tumors, with preclinical and clinical studies linking overexpression with cellular proliferation, invasion, migration, and poor prognosis. c-Met is activated by HGF through a paracrine mechanism to promote cellular morphogenesis enabling cells to acquire mesenchymal phenotypes in part through the epithelial-mesenchymal transition, contributing to metastasis...
April 24, 2017: Cancers
https://www.readbyqxmd.com/read/28440978/methylation-status-of-p16ink4a-in-human-papillomavirus-associated-cancer-of-oral-cavity-and-oropharynx-in-northeastern-thailand
#7
Piyawut Swangphon, Chamsai Pientong, Ati Burassakarn, Patravoot Vatanasapt, Pilaiwan Kleebkaow, Natcha Patarapadungkit, Thanabut Treebupachatsakul, Supannee Promthet, Bunkerd Kongyingyoes, Tipaya Ekalaksananan
Background: Over-expression of p16INK4a protein is a biomarker for human papillomavirus (HPV)-associated cervical cancer. However, absence of p16INK4a protein expression in HPV-associated cancer of the oral cavity and oropharynx has been reported. Among a number of possible reasons for this is methylation, which is frequently noted in the promoter region of p16INK4a and is associated with silencing of the gene and disease severity. Methods: We investigated the relationships between p16INK4a protein expression, HPV infection and methylation status of the p16INK4a promoter in cancers of the oral cavity and oropharynx...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440976/diagnostic-value-of-the-caretm-hpv-test-in-screening-for-cervical-intraepithelial-neoplasia-grade-2-or-worse
#8
Mojgan Karimi Zarchi, Effat Heydari, Afsarolsadat Tabatabaie, Mansour Moghimi, Wesam Kooti
Background: Cervical cancer is the fourth leading cause of cancer death in women worldwide. Persistent infection with a high risk human papillomavirus (HR-HPV) is the main etiological factor, so that early early detection of HR-HPV is very important. The aim of this study was to investigate the efficacy of CareTM HPV, a new method, as compared with Pap smear, PCR, and biopsy for screening purposes. Material and Method: In this cross-sectional study, 200 sexually active women aging from 25-50 years referred to the oncology clinic of Shahid Sodoughi Yazd Hospital in 2015 with a variety of cervix epithelial lesions or a need for colposcopy were enrolled...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440909/roles-of-the-pdz-binding-motif-of-hpv-16-e6-protein-in-oncogenic-transformation-of-human-cervical-keratinocytes
#9
Yuki Yoshimatsu, Tomomi Nakahara, Katsuyuki Tanaka, Yuki Inagawa, Mako Narisawa-Saito, Takashi Yugawa, Shin-Ichi Ohno, Masatoshi Fujita, Hitoshi Nakagama, Tohru Kiyono
The high-risk human papillomavirus E6 proteins have been shown to interact with and lead degradation of PDZ-domain-containing proteins through its carboxy-terminal motif. This PDZ-binding motif plays important roles in transformation of cultured cells and carcinogenesis of E6-transgenic mice. However, its biological effects on the natural host cells have not been elucidated. We have examined its roles in an in vitro carcinogenesis model for cervical cancer, in which E6 and E7 together with activated HRAS (HRAS(G)(12V) ) can induce tumorigenic transformation of normal human cervical keratinocytes...
April 25, 2017: Cancer Science
https://www.readbyqxmd.com/read/28440679/cervical-cancer-in-sub-saharan-africa-a-preventable-noncommunicable-disease
#10
Ralph-Sydney Mboumba Bouassa, Thierry Prazuck, Thérèse Lethu, Mohammad-Ali Jenabian, Jean-François Meye, Laurent Bélec
Infections caused by high-risk human papillomavirus (HPV) are responsible for 7.7% of cancers in developing countries, mainly cervical cancer. This disease is steadily increasing in sub-Saharan Africa, with more than 75,000 new cases and 50,000 deaths yearly, further increased by HIV infection. Areas covered: The current status of cervical cancer associated with HPV in sub-Saharan Africa has been systematically revised. The main issues discussed here are related to the public health burden of cervical cancer in sub-Saharan Africa and predictions for the coming decades, including molecular epidemiology and determinants of HPV infection in Africa, and promising prevention measures currently being evaluated in Africa...
April 25, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28439692/the-presence-and-prognostic-significance-of-human-papillomavirus-in-squamous-cell-carcinoma-of-the-larynx
#11
Evren Erkul, Ismail Yilmaz, Gizem Narli, Mustafa Alparslan Babayigit, Atila Gungor, Dilaver Demirel
The aim of the present study was to evaluate the role of HPV in laryngeal squamous cell carcinoma and correlate it with patients' clinicopathological data. In total, 78 laryngeal squamous cell carcinoma patients enrolled in this study. The presence of genotype-specific HPV DNA was evaluated using Genotyping Assay in formalin-fixed paraffin-embedded tissue which was diagnosed between 2005 and 2015. All samples were also evaluated for p16 immunohistochemical staining. HPV DNA and p16 status were assessed in terms of location, smoking, alcohol consumption, lymph node status, tumor stage, overall survival, disease-free survival, perineural invasion, and vascular invasion retrospectively...
April 21, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28439661/comparative-study-of-p16-protein-expression-in-squamous-cell-carcinomas-from-patients-with-epidermodysplasia-verruciformis-and-patients-without-the-disease
#12
Mayra S G Mattos, Walmar R Oliveira, Mirian N Sotto
Epidermodysplasia verruciformis (EV) is a rare genodermatosis associated with susceptibility to beta-human papilloma virus (HPV) infection. EV patients develop disseminated warts and non-melanoma skin cancer, mainly squamous cell carcinomas (SCC) that are locally aggressive. EV pathogenesis is not yet fully understood, but alterations in the p16 gene play a role in the pathogenesis of neoplasms caused by high-risk genital HPV. To explore its role in EV lesions, we compared p16 expression in SCC from patients with and without EV...
April 24, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28438378/genotyping-of-the-human-papilloma-virus-in-a-group-of-mexican-women-treated-in-a-highly-specialist-hospital-multiple-infections-and-their-potential-transcendence-in-the-current-vaccination-programme
#13
Pablo Romero-Morelos, Arizbett Uribe-Jiménez, Cindy Bandala, Albros Poot-Vélez, Nora Ornelas-Corral, Miriam Rodríguez-Esquivel, Mariana Valdespino-Zavala, Keiko Taniguchi, Daniel Marrero-Rodríguez, Ricardo López-Romero, Mauricio Salcedo
BACKGROUND AND OBJETIVE: Human papilloma virus (HPV) is one of the main risk factors associated with the development of cervical cancer and its precursor lesions. It has been reported that HPV16 and 18 types cover approximately 70% of cervical cancer worldwide; however, significant variation in percentages of HPV infections could be related to specific populations. MATERIALS AND METHODS: Purified DNA of 67 cervical samples were analyzed by Linear Array® HPV genotyping kit...
April 21, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28438299/can-gene-editing-and-silencing-technologies-play-a-role-in-the-treatment-of-head-and-neck-cancer
#14
REVIEW
Mushfiq H Shaikh, Daniel T W Clarke, Newell W Johnson, Nigel A J McMillan
Conventional treatment strategies have done little to improve the prognosis or disease-free survival in head and neck cancer (HNC) patients. Recent progress in our understanding of molecular aspects of head and neck squamous cell carcinoma (HNSCC) has provided insights into the potential use of molecular targeted therapies in combination with current treatment strategies. Here we review the current understanding of treatment modalities for both HPV-positive and HPV-negative HNSCCs with the potential to use gene editing and silencing technologies therapeutically...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438296/discussing-hpv-with-oropharyngeal-cancer-patients-a-cross-sectional-survey-of-attitudes-in-health-professionals
#15
Rachael H Dodd, Alice S Forster, Jo Waller, Laura A V Marlow
BACKGROUND: Human papillomavirus (HPV) is now known to cause a significant proportion of head and neck cancers (HNC). Qualitative research has shown that some health professionals find it difficult to discuss HPV with patients due to its sexually transmitted nature, and have concerns about their own knowledge of the virus. We used a survey to quantify attitudes towards discussing HPV among HNC health professionals. METHODS: We carried out a cross-sectional survey of HNC health professionals (n=260) in the UK and Ireland, assessing participants' knowledge of HPV, their experiences of and attitudes towards discussing HPV with patients, and their willingness to discuss HPV with their patients in the future...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438295/risk-factors-for-oropharynx-cancer-in-a-cohort-of-hiv-infected-veterans
#16
Erin Y Chew, Christine M Hartman, Peter A Richardson, Jose P Zevallos, Andrew G Sikora, Jennifer R Kramer, Elizabeth Y Chiao
OBJECTIVE: To evaluate HIV-related and other clinical risk factors associated with oropharynx cancer (OPSCC) in HIV-infected U.S. Veterans. METHODS: Retrospective cohort study utilizing Veterans Affairs HIV Clinical Case Registry (CCR) data from 1985 to 2010. Outcome was incident OPSCC as indicated by 1 inpatient or 2 outpatient ICD-9 codes. Cox proportional hazard models were used to determine hazard ratios (HR) and 95% confidence intervals (CI) for each risk factor on the time to OPSCC diagnosis...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438294/a-model-using-concomitant-markers-for-predicting-outcome-in-human-papillomavirus-positive-oropharyngeal-cancer
#17
Cinzia Bersani, Michael Mints, Nikolaos Tertipis, Linnea Haeggblom, Lars Sivars, Andreas Ährlund-Richter, Andrea Vlastos, Cecilia Smedberg, Nathalie Grün, Eva Munck-Wikland, Anders Näsman, Torbjörn Ramqvist, Tina Dalianis
OBJECTIVE: Head-neck cancer therapy has become intensified. With radiotherapy alone, 3-year disease-free survival (DFS) is 80% for HPV-positive TSCC/BOTSCC and better for patients with favorable characteristics, suggesting therapy could be tapered for some, decreasing side-effects. Therefore, we built a model to predict progression-free survival for patients with HPV-positive TSCC and BOTSCC. MATERIAL AND METHODS: TSCC/BOTSCC patients treated curatively between 2000 and 2011, with HPV16 DNA/E7 mRNA positive tumors examined for CD8(+) TILs, HPV16 mRNA and HLA class I expression were included...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28437708/primary-secondary-and-tertiary-prevention-of-human-papillomavirus-driven-head-and-neck-cancers
#18
REVIEW
Haïtham Mirghani, Alain C Jung, Carole Fakhry
Human papillomavirus (HPV)-driven oropharyngeal cancers (OPCs) represent an increasing proportion of head and neck cancers that could become, in the next few decades, a public health problem in certain western countries. This significant epidemiological change strongly calls for preventive measures. Prophylactic HPV vaccination and screening programmes for early identification and treatment of premalignant lesions are currently being used to reduce the incidence of uterine cervical cancer, which is the paradigm of HPV-driven malignancy...
April 19, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28437239/tprevalence-of-hpv-in-adults-aged-18-69-united-states-2011-2014
#19
Geraldine McQuillan, Deanna Kruszon-Moran, Lauri E Markowitz, Elizabeth R Unger, Ryne Paulose-Ram
Data from the National Health and Nutrition Examination Survey ● During 2011-2014, prevalence of any oral human papillomavirus (HPV) for adults aged 18-69 was 7.3%; high-risk HPV was 4.0%. ● Overall, prevalence of any and high-risk oral HPV was lowest among non-Hispanic Asian adults; any oral HPV was highest among non-Hispanic black adults. ● Prevalence of any and high-risk oral HPV was higher in men than women except for high-risk HPV among Asian adults. ● During 2013-2014, prevalence of any and high-risk genital HPV for adults aged 18-59 was 45...
April 2017: NCHS Data Brief
https://www.readbyqxmd.com/read/28436211/primary-hpv-testing-verification-a-retrospective-ad-hoc-analysis-of-screening-algorithms-on-women-doubly-tested-for-cytology-and-hpv
#20
Jessica Tracht, Allison Wrenn, Isam-Eldin Eltoum
BACKGROUND: To evaluate human papillomavirus (HPV) testing as a primary screening tool, we retrospectively analyzed data comparing (1) HPV testing to the algorithms of the ATHENA Study: (2) cytology alone, (3) cytology with ASCUS triage in women 25-29 and (4) cotesting ≥ 30 or (5) cotesting ≥ 25. METHODS: We retrospectively analyzed data from women tested with both cytology and HPV testing from 2010 to 2013. Cumulative risk (CR) for CIN3+ was calculated...
April 23, 2017: Diagnostic Cytopathology
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