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https://www.readbyqxmd.com/read/29774116/human-papilloma-virus-global-research-architecture-assessed-by-density-equalizing-mapping
#1
Dörthe Brüggmann, Luise Kayser, Jenny Jaque, Matthias Bundschuh, Doris Klingelhöfer, David A Groneberg
Human papilloma virus (HPV) infection is linked to cervical cancer, which represents the world's fourth most common cancer in women. So far, no detailed map of the worldwide HPV research architecture has been constructed. Hence, this study focuses on the chronological development and geographical distribution of the global HPV-specific publications and evaluates citation-based parameters as well as socioeconomic features of the publishing countries. In total, 29,330 HPV-related publications were identified...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29769124/knowledge-towards-cervical-cancer-prevention-and-screening-practices-among-women-who-attended-reproductive-and-child-health-clinic-at-magu-district-hospital-lake-zone-tanzania-a-cross-sectional-study
#2
Mabula M Mabelele, John Materu, Faraja D Ng'ida, Michael J Mahande
BACKGROUND: Cervical cancer is a global leading cause of morbidity and mortality, attributable to the death of approximately 266,000 women every year. Majority (87%) of cervical cancer deaths occur in developing countries including Tanzania. Though knowledge of cervical cancer is an important determinant of women's participation in prevention and screening for cervical cancer, little is known about this topic in Tanzania. This study aimed to determine the knowledge of cervical cancer prevention services and screening practices among women who attended Reproductive Child Health clinic at a district hospital in Lake Zone, Tanzania...
May 16, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29751793/uptake-of-three-doses-of-hpv-vaccine-by-primary-school-girls-in-eldoret-kenya-a-prospective-cohort-study-in-a-malaria-endemic-setting
#3
Hillary Mabeya, Sonia Menon, Steven Weyers, Violet Naanyu, Emily Mwaliko, Elijah Kirop, Omenge Orango, Heleen Vermandere, Davy Vanden Broeck
BACKGROUND: All women are potentially at risk of developing cervical cancer at some point in their life, yet it is avoidable cause of death among women in Sub- Saharan Africa with a world incidence of 530,000 every year. It is the 4th commonest cancer affecting women worldwide with over 260,000 deaths reported in 2012. Low resource settings account for over 75% of the global cervical cancer burden. Uptake of HPV vaccination is limited in the developing world. WHO recommended that 2 doses of HPV vaccine could be given to young girls, based on studies in developed countries...
May 11, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29750160/temporal-trends-of-common-female-malignances-on-breast-cervical-and-ovarian-cancer-mortality-in-japan-republic-of-korea-and-singapore-application-of-the-age-period-cohort-model
#4
Jinyao Wang, Haizhen Lv, Zhilin Xue, Lu Wang, Zhiqiang Bai
Background: Reproductive system cancer is an important cause of morbidity and mortality worldwide which threatens women's health and lives. Breast, cervical, and ovarian cancer have the higher incidence and mortality among a series of gynecology malignant tumor. We aimed to compare and assess the temporal trends of common female malignances on breast, cervical, and ovarian cancer mortality in developed regions of Asia including Japan, Republic of Korea, and Singapore and analyze the detached effects of chronological age, time period, and birth cohort by age-period-cohort (APC) analysis...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29725443/calcium-activated-potassium-channels-as-potential-early-markers-of-human-cervical-cancer
#5
Ana Ramírez, Eunice Vera, Armando Gamboa-Domínguez, Paul Lambert, Patricio Gariglio, Javier Camacho
Cervical cancer is a major cause of cancer-associated mortality in women in developing countries. Thus, novel early markers are required. Ion channels have gained great interest as tumor markers, including cervical cancer. The calcium-activated potassium channel KCNMA1 (subunit α-1 from subfamily M) has been associated with different malignancies, including tumors such as breast and ovarian cancer that are influenced by hormones. The KCNMA1 channel blocker iberiotoxin decreases the proliferation of HeLa cervical cancer cells...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29709079/expression-of-unique-chimeric-human-papilloma-virus-type-16-hpv-16-l1-l2-proteins-in-pichia-pastoris-and-hansenula-polymorpha
#6
Helba Bredell, Jacques J Smith, Johann F Görgens, Willem H van Zyl
Cervical cancer is ranked the fourth most common cancer in women worldwide. Despite two commercially available prophylactic vaccines, it is unaffordable for most women in developing countries. We compared the optimized expression of monomers of the unique HPV type 16 L1-L2 chimeric protein (SAF) in two yeast strains of Pichia pastoris, KM71 (Muts ) and GS115 (Mut+ ), with Hansenula polymorpha NCYC 495 to determine the preferred host in bioreactors. SAF was uniquely created by replacing the h4 helix of the HPV-16 capsid L1 protein with a L2 peptide...
April 30, 2018: Yeast
https://www.readbyqxmd.com/read/29665326/towards-developing-a-meaningful-grading-system-for-cervical-squamous-cell-carcinoma
#7
W Glenn McCluggage
Cervical cancer is one of the commonest cancers worldwide, especially in developing countries. In early stage disease, a variety of pathological parameters are of prognostic value but currently this does not include tumour grade which, for a number of reasons, is of limited or no value in cervical squamous cell carcinomas. In a recent article in this journal, Jesinghaus and colleagues investigated a novel histopathological grading system based on tumour budding and cell nest size, which has been shown to outperform conventional grading systems for squamous cell carcinoma at several other sites such as lung, oral cavity, and oesophagus in terms of patient prognostication...
April 2018: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/29630085/ezh2-endothelin-1-and-cd34-as-biomarkers-of-aggressive-cervical-squamous-cell-carcinoma-an-immunohistochemical-study
#8
Anan Fathy, Aziza E Abdelrahman
OBJECTIVE: Cervical cancer has an increasing incidence in developing countries with a predominance of squamous cell carcinoma. In this work, we aimed to analyze the role of EZH2, Endothelin-1, and CD34 as indicators of the aggressiveness in cervical squamous cell carcinoma. MATERIAL AND METHOD: Immunohistochemical expression of EZH2, Endothelin-1, and CD34 was studied in 54 paraffin-embedded tissue specimens of cervical squamous cell carcinoma. Their correlation to the clinicopathologic features and the potential angiogenic role were analyzed...
April 9, 2018: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/29629509/awareness-of-hpv-and-cervical-cancer-prevention-among-university-health-sciences-students-in-cyprus
#9
Paraskevi A Farazi, Mohammad Siahpush, Tzeyu L Michaud, Jungyoon Kim, Chenai Muchena
Cervical cancer is preventable; however, despite the existence of primary and secondary means of prevention, its incidence is still higher in certain socioeconomic groups and countries, suggesting gaps in cervical cancer prevention. The objective of this study was to evaluate the knowledge and awareness of health sciences university students in Cyprus regarding HPV and cervical cancer in order to better guide the future development of educational programs to improve cervical cancer prevention. This was a cross-sectional study of 178 university health sciences students in Cyprus using a validated questionnaire on HPV and cervical cancer prevention...
April 9, 2018: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29624947/the-need-for-societal-investment-to-improve-cervical-cancer-outcomes-in-nigeria-a-commentary
#10
Jonah Musa
Although cervical cancer is a preventable cancer with a well-known natural history, it remains a huge burden in developing countries of sub-Saharan Africa where organized cervical cancer screening services are lacking. Developed countries that have invested on providing organized screening programs have made substantial progress in reducing both incidence and mortality due to cervical cancer. Implementing evidence-based interventions such as human papillomavirus (HPV) vaccination of young girls, early detection and treatment of premalignant conditions of the cervix through conventional Pap cytology, HPV screening or visual aided inspection with acetic acid could significantly reduce incidence of new cases at population level...
December 2017: African Journal of Reproductive Health
https://www.readbyqxmd.com/read/29619426/genotyping-of-human-pappilomavirus-in-cervical-precancerous-lesion-and-squamous-cell-carcinoma-at-dr-soetomo-hospital-surabaya-indonesia
#11
Gondo Mastutik, Rahmi Alia, Alphania Rahniayu, Anny Setijo Rahaju, Nila Kurniasari, Suhartono Taat Putra
Background: Cervical cancer caused by human papilloma virus (HPV), is the second most common cancer for women. This cancer is distributed worldwide, with ~80% of cases are found in the developing countries. In Indonesia, data of HPV genotypes are still limited and do not represent all regions of the country. Thus, here we report genotyping of HPV samples collected from the Dr. Soetomo Hospital Surabaya Indonesia patients, in 2013. Materials and Method: A cross sectional study was performed using 68 paraffin blocks of low-grade squamous intraepithelial lesion (LSIL), high-grade squamous intraepithelial lesion (HSIL), and squamous cell carcinoma (SCC) cervix...
2018: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29595104/association-of-metronidazole-with-cancer-a-potential-risk-factor-or-inconsistent-deductions
#12
Muhammad Adil, Waheed Iqbal, Fazal Adnan, Shabnam Wazir, Imran Khan, Mohammad Umar Khayam, Mohammad Amjad Kamal, Shafiq Ahmad, Jawad Ahmad, Ishaq N Khan
Metronidazole is a synthetic derivative of nitroimidazole that has been widely used for the treatment of several bacterial and protozoal parasitic infections including trichomoniasis, amoebiasis, giardiasis, liver abscess, acute ulcerative gingivitis, syphilis and tropical phagedena. In addition to its toxicity in the gastrointestinal tract and central/peripheral nervous system, metronidazole has been reported to cause mucosal imbalance by affecting the expression of mucin (Muc2 gene), which is responsible to form an insoluble mucous barrier that protects the gut lumen from microbial colonization...
March 29, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29572122/hpv-infection-and-p16-ink4a-and-tp53-expression-in-rare-cancers-of-the-uterine-cervix
#13
Nabiha Missaoui, Sarra Mestiri, Ahlem Bdioui, Thouraya Zahmoul, Hajer Hamchi, Moncef Mokni, Sihem Hmissa
Cervix cancer remains among most commonly diagnosed cancer in developing countries. Except squamous cell carcinoma and adenocarcinoma, the etiopathology and oncogenic mechanisms of rare cancers remain largely unknown. The study was performed to investigate the value of HPV infection and the expression of p16INK4A and TP53 in rare primitive cancers of the cervix. We conducted a retrospective study of rare primitive cancers of the cervix. Main clinicopathological features were reported. HPV infection was detected by in situ hybridization...
March 6, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29565690/cervical-screening-in-hpv-vaccinated-populations
#14
K Canfell
Cervical screening with cytology has been the basis for substantial reductions in cervical cancer incidence and mortality in most high-income countries over the last few decades. More recently, there have been two key, parallel developments which have prompted a major re-consideration of cervical screening. The first is the emergence of evidence on the improved sensitivity of human papillomavirus (HPV) DNA testing compared to cytology, and the second is the large-scale deployment of prophylactic vaccination against HPV...
March 22, 2018: Climacteric: the Journal of the International Menopause Society
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/29551573/rural-distribution-of-human-papilloma-virus-in-low-and-middle-income-countries
#16
Aaron Atkinson, Courtney Studwell, Suyapa Bejarano, Ana Marcela Zapata Castellón, Jorge Arturo Plata Espinal, Sophie Deharvengt, Ethan P M LaRochelle, Linda S Kennedy, Gregory J Tsongalis
Cervical cancer rates in low- and middle-income countries (LMICs) are higher than in developed countries and account for 80% of an estimated 500,000 new cases annually. Factors that contribute to this are that diagnostic and prevention strategies designed for developed countries suffer from the combination of low vaccination rates and limitations due to lack of consistent access to both healthcare and supplies. Here we: 1) improve upon our LMIC deployable HPV test and 2) determine both the high and low-risk HPV genotype prevalence in an isolated Honduran population...
March 15, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29544661/vaginosis-associated-bacteria-and-its-association-with-hpv-infection
#17
Pablo Romero-Morelos, Cindy Bandala, Julián Jiménez-Tenorio, Mariana Valdespino-Zavala, Miriam Rodríguez-Esquivel, Reyna Anaid Gama-Ríos, Artfy Bandera, Mónica Mendoza-Rodríguez, Keiko Taniguchi, Daniel Marrero-Rodríguez, Ricardo López-Romero, Eva Ramón-Gallegos, Mauricio Salcedo
BACKGROUND AND OBJECTIVE: Cervical cancer is an important health problem in our country. It is known that there are several risk factors for this neoplasm, and it has been suggested that cervical microbiome alterations could play a role in the development and progress of cancer. Bacterial vaginosis associated bacteria such as Atopobium vaginae and Gardnerella vaginalis has been suggested as potential risk factor for cervical lesions and cervical cancer. MATERIAL AND METHODS: DNA from 177 cervical scraping samples was studied: 104 belonged to women without cytological or colposcopic alterations and 73 samples from precursor lesions with previous human papillomavirus (HPV) infection history...
March 12, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/29517117/global-human-papilloma-virus-vaccine-implementation-an-update
#18
REVIEW
Sasidharanpillai Sabeena, Parvati V Bhat, Veena Kamath, Govindakarnavar Arunkumar
Human papillomavirus (HPV) infections continue to be one of the most common sexually transmitted infections worldwide. The oncogenic potential of this virus was well established in anogenital malignancies and oropharyngeal cancers. Even though a fall in cervical cancer rates has been reported worldwide, the subsequent rise in HPV-associated head and neck cancers among men and women have been reported from developed countries, necessitating the vaccination of adolescent boys as well. The objective of this narrative review is to provide an update on the current status of HPV vaccination worldwide...
March 8, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29512446/a-synopsis-on-the-role-of-human-papilloma-virus-infection-in-cervical-cancer
#19
Mohd Saeed, Fawaz D Alshammari, Md Jahoor Alam, Khan Mohd Sarim, Khurshid Ahmad, Talib Hussain, Mahvish Khan, Muhammad Amjad Kamal, Ghulam Md Ashraf
Cancer or abnormal growth of the cell is one of the major health problems of the world. There are about two hundred types of malignancies reported till date. In this review, a brief update on cancer, its causes and different types has been discussed along with updated statistics of patient's mortality. A brief overview of cervical cancer and its pathophysiology has been discussed with special emphasis on its causative agent, human papilloma virus (HPV). A brief introduction and update on genetics, molecular pathogenesis and prevalence of HPV and its role in cervical cancer have been added...
March 2, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29501474/factors-associated-with-non-participation-in-cervical-cancer-screening-a-nationwide-study-of-nearly-half-a-million-women-in-denmark
#20
Elise Harder, Kirsten E Juul, Signe M Jensen, Louise T Thomsen, Kirsten Frederiksen, Susanne K Kjaer
Cervical cancer occurs most often in under-screened women. In this nationwide register study, we described differences in sociodemographic characteristics between passive and active non-participants and examined socio-demographic characteristics, reproductive history, and mental and physical health as potential determinants for passive non-participation compared with participation in the Danish cervical cancer screening program. Screening history in women aged 23-49 years invited for cervical cancer screening in 2008-2009 was retrieved from the Danish Pathology Databank with information about dates of invitation and unsubscription...
June 2018: Preventive Medicine
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