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Cervical cancer vaccines

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https://www.readbyqxmd.com/read/29781877/human-papillomavirus-genotypes-in-invasive-cervical-carcinoma-in-hiv-seropositive-and-seronegative-women-in-zimbabwe
#1
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
#2
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
#3
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
#4
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/29778520/effectiveness-of-hpv-vaccination-against-high-grade-cervical-lesions-in-japan
#5
Ryo Konno, Hiroshi Konishi, Catherine Sauvaget, Yasuo Ohashi, Tadao Kakizoe
The effectiveness of HPV vaccine against HSIL+ (pathologically diagnosed CIN2+) in the first cohort in Japan was investigated in 22,743 women aged 20 to 29 years (parts of national cervical cancer screening program of FY [fiscal year] 2015, the Japan Cancer Society). Vaccinated women had a statistically significant 69% lower risk of HSIL+ as compared to the unvaccinated women; the crude relative risk estimate was 0.31 (95% CI: 0.11-0.83; p-value = 0.013) by normal approximation and 0.31 (95% CI: 0.08-0...
May 16, 2018: Vaccine
https://www.readbyqxmd.com/read/29778314/trends-in-high-grade-cervical-cancer-precursors-in-the-human-papillomavirus-vaccine-era
#6
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/29776594/gearing-up-t-cell-immunotherapy-in-cervical-cancer
#7
REVIEW
Shilpa Raghuvanshi Chauhan, Mausumi Bharadwaj
The World Health Organization estimates more than 270,000 deaths annually by cervical cancer. Present vaccines are prophylactic in nature which cannot treat huge bulk of cervical cancer patients worldwide. Available therapies like radiotherapy, chemotherapy, or surgery are not effective in high-grade lesion, and hence, there is an unmet medical need for an effective form of therapy. T cells play a significant role in cervical cancer pathogenesis as human papilloma virus uses multiple mechanisms that dodge host T-cell immune-surveillance aiding in persistence of infection and establishment of cancer...
April 22, 2018: Current Problems in Cancer
https://www.readbyqxmd.com/read/29773491/association-between-number-of-preventive-care-guidelines-and-preventive-care-utilization-by-patients
#8
Glen B Taksler, Elizabeth R Pfoh, Kurt C Stange, Michael B Rothberg
INTRODUCTION: The number of preventive care guidelines is rapidly increasing. It is unknown whether the number of guideline-recommended preventive services is associated with utilization. METHODS: The authors used Poisson regression of 390,778 person-years of electronic medical records data from 2008 to 2015, in 80,773 individuals aged 50-75 years. Analyses considered eligibility for 11 preventive services most closely associated with guidelines: tobacco cessation; control of obesity, hypertension, lipids, or blood glucose; influenza vaccination; and screening for breast, cervical, or colorectal cancers, abdominal aortic aneurysm, or osteoporosis...
May 8, 2018: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29767739/efficacy-immunogenicity-and-safety-of-a-9-valent-human-papillomavirus-vaccine-subgroup-analysis-of-participants-from-asian-countries
#9
S M Garland, P Pitisuttithum, H Y S Ngan, C-H Cho, C-Y Lee, C-A Chen, Y C Yang, T-Y Chu, N-F Twu, R Samakoses, Y Takeuchi, T H Cheung, S C Kim, L-M Huang, B-G Kim, Y-T Kim, K-H Kim, Y-S Song, S Lalwani, J-H Kang, M Sakamoto, H-S Ryu, N Bhatla, H Yoshikawa, M C Ellison, S R Han, E Moeller, S Murata, M Ritter, M Sawata, C Shields, A Walia, G Perez, A Luxembourg
Background: A 9-valent human papillomavirus-6/11/16/18/31/33/45/52/58 (9vHPV) vaccine extends coverage to 5 next most common oncogenic types (31/33/45/52/58) in cervical cancer versus quadrivalent HPV (qHPV) vaccine. We describe efficacy, immunogenicity, and safety in Asian participants (India, Hong Kong, South Korea, Japan, Taiwan, and Thailand) from 2 international studies: a randomized, double-blinded, qHPV vaccine-controlled efficacy study (young women aged 16-26 years; NCT00543543; Study 001); and an immunogenicity study (girls and boys aged 9-15 years; NCT00943722; Study 002)...
May 15, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29759001/betwixt-and-between-well-and-sick-in-cervical-precancer-canadian-women-s-experiences-of-recurring-hpv-infections-and-hpv-vaccination
#10
Michelle Wyndham-West, Nancy Durand, Aimee Santoro
Background This research fuses the experiences of a precancer diagnosis with the decision-making surrounding a vaccine that can protect against human papillomavirus strains that women may not have been exposed to. The interviewee cohort is of note as half the women were in their 30s and 40s and 75% were over the age of 26. These groupings are often overlooked in media discourses and narrative research surrounding human papillomavirus and the human papillomavirus vaccine. Purpose Womens' diagnoses and treatment experiences, including colposcopies, biopsies, and Loop Electrosurgical Excision Procedures, are chronicled to highlight a liminal, precancerous state-one in which they are not deemed healthy, but nor have they been diagnosed with cancer...
January 1, 2018: Canadian Journal of Nursing Research, Revue Canadienne de Recherche en Sciences Infirmières
https://www.readbyqxmd.com/read/29753361/mothers-preferences-and-willingness-to-pay-for-human-papillomavirus-vaccination-for-their-daughters-a-discrete-choice-experiment-in-hong-kong
#11
Carlos K H Wong, Kenneth K C Man, Patrick Ip, Mike Kwan, Sarah M McGhee
OBJECTIVES: To determine the preference of mothers in Hong Kong and their willingness to pay (WTP) for human papillomavirus (HPV) vaccination for their daughters. METHOD: A discrete choice experiment survey with a two-alternative study design was developed. Data were collected from pediatric specialist outpatient clinics from 482 mothers with daughters aged between 8 and 17 years. Preferences of the four attributes of HPV vaccines (protection against cervical cancer, protection duration, side effects, and out-of-pocket costs) were evaluated...
May 2018: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
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
#12
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/29745555/-establishment-and-identification-of-human-cervical-cancer-cell-line-c33a-stably-expressing-human-papillomavirus-type-58-e6e7-fusion-gene
#13
Chaoying Jia, Weihong Ma, He Wang
The study was performed to construct a human cervical cancer cell line C33A which can stably express HPV58E6E7 fusion gene. Firstly, C33A cells were transfected with the recombinant lentivirus LV-HPV58E6E7 which contained HPV58E6E7 fusion gene, and the stably transfected cells (LV-HPV58E6E7/C33A) were screened out by flow cytometry. MTT was used to observe the growth of LV-HPV58E6E7/C33A cells and flow cytometry was carried out to detect the cell cycle. LV-HPV58E6E7/C33A cells were inoculated into the left armpits of nude mice...
August 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29743218/living-in-cold-spot-communities-is-associated-with-poor-health-and-health-quality
#14
Winston Liaw, Alex H Krist, Sebastian T Tong, Roy Sabo, Camille Hochheimer, Jennifer Rankin, David Grolling, Jene Grandmont, Andrew W Bazemore
PURPOSE: Little is known about incorporating community data into clinical care. This study sought to understand the clinical associations of cold spots (census tracts with worse income, education, and composite deprivation). METHODS: Across 12 practices, we assessed the relationship between cold spots and clinical outcomes (obesity, uncontrolled diabetes, pneumonia vaccination, cancer screening-colon, cervical, and prostate-and aspirin chemoprophylaxis) for 152,962 patients...
May 2018: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/29743199/evaluation-of-dried-blood-spots-and-oral-fluids-as-alternatives-to-serum-for-human-papillomavirus-antibody-surveillance
#15
Karly S Louie, Jama Dalel, Caroline Reuter, Sara L Bissett, Michelle Kleeman, Lesley Ashdown-Barr, Rawinder Banwait, Anna Godi, Peter Sasieni, Simon Beddows
Human papillomavirus (HPV) vaccination elicits high-titer genotype-specific antibody responses that are associated with a reduced risk of cervical disease caused by vaccine-incorporated genotypes. Our objective was to evaluate dried blood spots (DBSs) and oral mucosal transudate (OMT) as alternative samples to serum to confirm HPV vaccine antibody status. A study was carried out to evaluate the feasibility of detecting HPV16 and HPV18 antibodies in OMT, DBSs, and sera among women who self-reported being unvaccinated or fully vaccinated with the HPV vaccine...
June 27, 2018: MSphere
https://www.readbyqxmd.com/read/29740819/prophylactic-vaccination-against-human-papillomaviruses-to-prevent-cervical-cancer-and-its-precursors
#16
REVIEW
Marc Arbyn, Lan Xu, Cindy Simoens, Pierre Pl Martin-Hirsch
BACKGROUND: Persistent infection with high-risk human papillomaviruses (hrHPV) types is causally linked with the development of cervical precancer and cancer. HPV types 16 and 18 cause approximately 70% of cervical cancers worldwide. OBJECTIVES: To evaluate the harms and protection of prophylactic human papillomaviruses (HPV) vaccines against cervical precancer and HPV16/18 infection in adolescent girls and women. SEARCH METHODS: We searched MEDLINE, Cochrane Central Register of Controlled Trials (CENTRAL) and Embase (June 2017) for reports on effects from trials...
May 9, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29737004/knowledge-and-attitudes-about-cervical-cancer-and-its-prevention-among-female-secondary-school-students-in-nigeria
#17
Chris O Ifediora, Emmanuel C Azuike
OBJECTIVE: To ascertain the level of awareness and attitudes towards cervical cancer among secondary school students in Nigeria. METHOD: Cross-sectional survey of 432 female senior secondary school students in south-eastern Nigeria. RESULTS: 321 (74.3%) responses were valid. 42.7% had heard of cervical cancer, 32.8% of screening, 23.2% of Pap smears, and 22.0% of HPV/HPV vaccinations. No widely available reliable source of information exists...
May 7, 2018: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29724506/final-analysis-of-a-study-assessing-genital-human-papillomavirus-genoprevalence-in-young-australian-women-following-eight-years-of-a-national-vaccination-program
#18
Suzanne M Garland, Alyssa M Cornall, Julia M L Brotherton, John D Wark, Michael J Malloy, Sepehr N Tabrizi
OBJECTIVES: The VACCINE [Vaccine Against Cervical Cancer Impact and Effectiveness] study evaluated the prevalence of quadrivalent vaccine-targeted human papillomavirus (HPV) genotypes (HPV 6, 11, 16, 18) amongst young women of vaccine-eligible age. METHODS: Between October 2011 - June 2015, women aged 18-25 years from Victoria, Australia, were recruited through targeted advertising on the social networking website Facebook. Participants completed an online questionnaire and provided a self-collected vaginal swab for HPV DNA detection and genotyping (Linear Array HPV genotyping assay)...
April 30, 2018: Vaccine
https://www.readbyqxmd.com/read/29715318/computational-identification-characterization-and-validation-of-potential-antigenic-peptide-vaccines-from-hrhpvs-e6-proteins-using-immunoinformatics-and-computational-systems-biology-approaches
#19
Abbas Khan, Muhammad Junaid, Aman Chandra Kaushik, Arif Ali, Syed Shujait Ali, Aamir Mehmood, Dong-Qing Wei
High-risk human papillomaviruses (hrHPVs) are the most prevalent viruses in human diseases including cervical cancers. Expression of E6 protein has already been reported in cervical cancer cases, excluding normal tissues. Continuous expression of E6 protein is making it ideal to develop therapeutic vaccines against hrHPVs infection and cervical cancer. Therefore, we carried out a meta-analysis of multiple hrHPVs to predict the most potential prophylactic peptide vaccines. In this study, immunoinformatics approach was employed to predict antigenic epitopes of hrHPVs E6 proteins restricted to 12 Human HLAs to aid the development of peptide vaccines against hrHPVs...
2018: PloS One
https://www.readbyqxmd.com/read/29715143/recent-trends-in-hpv-infection-and-type-distribution-in-greece
#20
Elena Argyri, Elpida Tsimplaki, Dimitrios Papatheodorou, Dimitra Daskalopoulou, Efstathia Panotopoulou
BACKGROUND/AIM: This study gives an insight into recent trends for Human papillomavirus (HPV)-specific infection and its fluctuation over the years 2011-2016. MATERIALS AND METHODS: A total of 2,417 Caucasian women between the age of 18 and 71 years underwent their annual gynaecologic examination at the Outpatient Gynaecological Clinic in the study period. RESULTS: Overall HPV prevalence was 43.9%, and high-risk HPV accounted for 31.3%. HPV16 was the most common high-risk type followed by HPV51 and HPV31...
May 2018: Anticancer Research
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