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https://www.readbyqxmd.com/read/28930604/therapeutic-startegies-for-human-papillomavirus-infection-and-associated-cancers
#1
Alok Chandra Bharti, Tejveer Singh, Anjali Bhat, Deepti Pande, Mohit Jadli
Human papillomavirus (HPV) infection is linked to development of cancer of cervix, vagina, vulva, penis, ano-genital and non-genital oro-pharyngeal sites. HPV being a sexually transmitted virus infects both genders equally but with higher chances of pathological outcome in women. In the absence of organized screening programs, women report HPV-infected lesions at relatively advanced stages where they are subjected to standard treatments that are not HPV-specific. HPV infection-driven lesions usually take 10-20 years for malignant progression and are preceded by well-characterized pre-cancer stages...
January 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/28929698/-randomized-controlled-study-sophora-flavescens-gel-in-treatment-of-cervical-hpv-infection
#2
Hong-da Zhao, Xiao-Ling Feng, Yan Zhao, Na Li
This study aimed to evaluate the efficacy of Sophora flavescens gel in treatment of cervical HPV infection. 120 patients with cervical HPV infections were selected from department of gynecology, the first affiliated hospital, Heilongjiang university of Chinese medicine. They were randomly divided into three groups: test group(S. flavescens gel, 40 cases), control group(human recombinant interferon α-2b gel, 40 cases) and combined application group(combination of the above two, 40 cases). The treatment course was three months in all three groups...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28928886/vulvar-cancer-in-china-epidemiological-features-and-risk-analysis
#3
Xue Xiao, Yi-Bo Meng, Peng Bai, Juan Zou, Ya Zhang, Tri M Bui Nguyen, Jian-Guo Xiao, Xue-Mei Gao, Bang-Fen Wen
Objective: Describe for the first time the clinical, epidemiological features of vulvar cancer in southwest China. Identify risk factors and provide reference for the prevention of vulvar cancer. Method: We retrospectively analyzed 885 patients admitted to the West China Second University Hospital for vulvar diseases between 2006 and 2016. Vulvar cancer patients with previously diagnosed vulvar nonneoplastic epithelial disorders (n=132) were analyzed and compared to those without prior history of vulvar nonneoplastic epithelial disorders (n=219)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928286/hpv-integration-in-hnscc-correlates-with-survival-outcomes-immune-response-signatures-and-candidate-drivers
#4
Lada A Koneva, Yanxiao Zhang, Shama Virani, Pelle B Hall, Jonathan B McHugh, Douglas B Chepeha, Gregory Wolf, Thomas E Carey, Laura S Rozek, Maureen A Sartor
The incidence of human papillomavirus (HPV)-related oropharynx cancer has steadily increased over the past two decades, and now represents a majority of oropharyngeal cancer cases. Integration of the HPV genome into the host genome is a common event during carcinogenesis that has clinically-relevant effects if the viral early genes are transcribed. Understanding the impact of HPV integration on clinical outcomes of head and neck squamous cell carcinoma (HNSCC) is critical for implementing de-escalated treatment approaches for HPV-positive HNSCC patients...
September 19, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28926109/role-of-viruses-in-gastrointestinal-cancer
#5
REVIEW
Habibollah Mirzaei, Hossein Goudarzi, Gita Eslami, Ebrahim Faghihloo
Gastrointestinal cancers are a global public health problem, which represent a vast majority of all cancer-caused deaths in both men and women. On the other hand, viral pathogens have been long implicated as etiological factors in the onset of certain human cancers, including gastrointestinal tumors. In this regard, Human Papilloma Virus (HPV), Epstein - Barr Virus (EBV) and John Cunningham Virus (JCV) have been more strongly suggested to be involved in gastrointestinal carcinogenesis; so that, the association of HPV with oropharyngeal and anal cancers and also the association of EBV with gastric cancer have been etiologically confirmed by epidemiological and experimental investigations...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28925576/is-there-an-increased-risk-of-cervical-neoplasia-in-atopic-dermatitis-patients-treated-with-oral-immunosuppressive-drugs
#6
F M Garritsen, R H M Verheijen, C G Gerestein, A D van Zuilen, J A F Oosterhaven, M van Dijk, C A F Bruijnzeel-Koomen, M L Schuttelaar, M S de Bruin-Weller
BACKGROUND: Oral immunosuppressive drugs are frequently prescribed in young women with atopic dermatitis (AD). Immunocompromised patients may have a higher risk of developing high risk HPV infections, CIN and cervical carcinoma. Most literature on patients using oral immunosuppressive drugs is available in organ transplant patients. Literature on the risk of developing cervical carcinoma in AD patients treated with oral immunosuppressive drugs is lacking. At this moment there is no clear guideline/consensus on this topic, but in daily practice, questions arise concerning whether this risk is increased and whether more intensive screening in women using immunosuppressive drugs should take place...
September 19, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28923180/menopause-in-latin-america-symptoms-attitudes-treatments-and-future-directions-in-costa-rica
#7
REVIEW
T D Locklear, B J Doyle, A L Perez, S M Wicks, G B Mahady
Similar to their US counterparts, Costa Rican women enter menopause at ∼50 years of age, have similar symptoms, including hot flashes and night sweats, as well as an overall negative attitude toward the menopausal transition. One study of rural women in Monteverde reported that women knew little about the menopausal transition, as the subject was not discussed. Similar to other Latin American women, the use of hormone therapy by Costa Rican women is low and instead they use alternative therapies, including massage, dietary changes and herbal medicines...
October 2017: Maturitas
https://www.readbyqxmd.com/read/28918603/tumor-markers-of-uterine-cervical-cancer-a-new-scenario-to-guide-surgical-practice
#8
REVIEW
Gaetano Valenti, Salvatore Giovanni Vitale, Alessandro Tropea, Antonio Biondi, Antonio Simone Laganà
Since the introduction of Pap smear screening, the incidence and mortality of cervical cancer (CC) have been reduced drastically in USA and in other western states. Nevertheless, CC still remains the main cause of death from gynecological cancer in developing countries where screening programs are scant or inexistent. This evidence highlights the efficacy of screening, and the wide use of Human Papilloma Viruses (HPV) vaccines in developed countries. More and more people are, consequentially, undergoing a screening procedure, usually combined with HPV DNA test, increasing the early diagnosis of intraepithelial HPV-related lesions...
September 16, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28916527/demethylation-therapy-as-a-targeted-treatment-for-human-papilloma-virus-associated-head-and-neck-cancer
#9
Asel K Biktasova, Michael Hajek, Andrew B Sewell, Cyril S Gary, Gary Bellinger, Hari Deshpande, Aarti K Bhatia, Barbara A Burtness, Benjamin L Judson, Saral Mehra, Wendell G Yarbrough, Natalia Issaeva
PURPOSE: DNA methylation in human papillomavirus-associated (HPV+) head and neck squamous cell carcinoma (HNSCC) may have importance for continuous expression of HPV oncogenes, tumor cell proliferation and survival. Here, we determined activity of a global DNA demethylating agent, 5-azacytidine (5-aza), against HPV+ HNSCC in pre-clinical models and explored it as a targeted therapy in a window trial enrolling patients with HPV+ HNSCC. EXPERIMENTAL DESIGN: Sensitivity of HNSCC cells to 5-aza treatment was determined, then 5-aza activity was tested in vivo using xenografted tumors in a mouse model...
September 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28916224/lack-of-differences-in-radiation-induced-immunogenicity-parameters-between-hpv-positive-and-hpv-negative-human-hnscc-cell-lines
#10
Karolin Schneider, Vanesa Bol, Vincent Grégoire
BACKGROUND AND PURPOSE: Clinical studies indicate that patients with HPV/p16-associated head & neck squamous cell carcinoma (HNSCC) represent a subgroup with a better prognosis and improved response to conventional radiotherapy. Involvement of immune-based factors has been hypothesized. In the present study, we investigated radiation-induced differences in release of damage associated molecular patterns (DAMPs), cytokines and activation of dendritic cells (DCs) in HPV-positive and negative HNSCC cancer cell lines...
September 12, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28912369/customized-viral-immunotherapy-for-hpv-associated-cancer
#11
Matthew J Atherton, Kyle B Stephenson, Jonathan Pol, Fuan Wang, Charles Lefebvre, David F Stojdl, Jake K Nikota, Anna Dvorkin-Gheva, Andrew Nguyen, Lan Chen, Stephanie Johnson-Obaseki, Patrick J Villeneuve, Jean-Simon Diallo, Jim Dimitroulakos, Yonghong Wan, Brian D Lichty
The viral transforming proteins E6 and E7 make human papilloma virus positive (HPV+) malignancies an attractive target for cancer immunotherapy. However, therapeutic vaccination exerts limited efficacy in the setting of advanced disease. We designed a strategy to induce substantial specific immune responses against multiple epitopes of E6 and E7 proteins based on an attenuated transgene from HPV serotypes 16 and 18 that is incorporated into MG1-Maraba virotherapy (MG1-E6E7). Mutations introduced to the transgene abrogate the ability of E6 and E7 to perturb p53 and retinoblastoma, respectively, while maintaining the ability to invoke tumor-specific, multi-functional CD8+ T-cell responses...
September 14, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28902073/cryotherapy-reduces-progression-of-cervical-intraepithelial-neoplasia-grade-1-in-south-african-hiv-infected-women-a-randomized-controlled-trial
#12
Cynthia Firnhaber, Avril Swarts, Bridgette Goeieman, Ntombi Rakhombe, Masangu Mulongo, Anna-Lise Williamson, Pam Michelow, Sibongile Ramotshela, Mark Faesen, Simon Levin, Timothy Wilkin
BACKGROUND: HIV-infected women are at increased risk of cervical cancer, especially in resource-limited countries. Cervical cancer prevention strategies focus treating cervical high-grade squamous intraepithelial lesions (HSIL). The management of low-grade squamous intraepithelial lesions (LSIL) in HIV-infected women is unknown. SETTING: HIV treatment clinic in Johannesburg, South Africa METHODS:: We randomized HIV-infected women with histologic cervical LSIL to cervical cryotherapy vs...
September 7, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28899967/circulating-cell-free-dna-for-metastatic-cervical-cancer-detection-genotyping-and-monitoring
#13
Zhigang Kang, Sanja Stevanović, Christian S Hinrichs, Liang Cao
PURPOSE: Circulating cell-free (ccf) human papillomavirus (HPV) DNA may serve as a unique tumor marker for HPV-associated malignancies, including cervical cancer. We developed a method to genotype and quantify circulating HPV DNA in patients with HPV16- or HPV18-positive metastatic cervical cancer for potential disease monitoring and treatment-related decision making. PATIENTS AND METHODS: In this retrospective study, HPV ccfDNA was measured in serum samples from 19 metastatic cervical cancer patients by duplex digital droplet (dd) PCR...
September 12, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28898279/lifestyle-factors-and-oncogenic-papillomavirus-infection-in-a-high-risk-male-population
#14
Elena Lopez-Diez, Sonia Perez, Manuel Carballo, Amparo Iñarrea, Angel de la Orden, Maximo Castro, Moises Rodríguez, Sheila Almuster, Ruben Montero, Miguel Perez, Jorge Sanchez, Antonio Ojea
BACKGROUND: High risk human papillomavirus (HR-HPV) infection in males is a health issue with implications for HPV-related lesions in their partners. The identification of risk factors for male infection may improve our understanding of HR-HPV transmission and prevention. The aim of this study was to evaluate the relationships between lifestyle, genital warts and HR-HPV infection. The study was focused on men with an increased risk of HR-HPV infection: male sexual partners of women diagnosed with high-grade squamous intraepithelial cervical lesions...
2017: PloS One
https://www.readbyqxmd.com/read/28894838/recurrent-respiratory-papillomatosis-rrp-time-for-a-reckoning
#15
Peter Kin Cho Goon, Lars-Uwe Scholtz, Holger Sudhoff
OBJECTIVES: Recurrent respiratory papillomatosis (RRP) is a rare disease, but one with severe morbidity and occasional mortality. The aetiological agent is human papillomavirus (HPV), and HPV types 6 and 11 account for over 90% of all cases. In the active phase of the disease, patients require multiple hospital admissions for surgical removal or ablation of these benign tumors, which are likely to obstruct the airways if left unchecked. Long-term sequelae include scarring of the vocal cords, change in voice timbre, or even muteness if a tracheostomy is required...
August 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28894817/emerging-insights-into-recurrent-and-metastatic-human-papillomavirus-related-oropharyngeal-squamous-cell-carcinoma
#16
REVIEW
Farhoud Faraji, David W Eisele, Carole Fakhry
OBJECTIVE: To review recent literature on human papillomavirus-related (HPV-positive) oropharyngeal squamous cell carcinoma (OPC) and focus on implications of recurrent and metastatic disease. METHODS: Primary articles from 1990 to 2016 indexed in MEDLINE (1) pertaining to the epidemiology of HPV-positive OPC and (2) providing clinical insight into recurrent and metastatic OPC. RESULTS: The incidence of HPV-positive OPC is increasing globally...
February 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28885778/histopathologic-follow-up-and-hpv-test-results-with-hsil-papanicolaou-test-results-in-china-s-largest-academic-women-s-hospital
#17
Xiang Tao, R Marshall Austin, Hao Zhang, Lihong Zhang, Jianan Xiao, Xianrong Zhou, Li Wang, Chengquan Zhao
BACKGROUND: Cervical cancer screening in China is largely limited to occasional opportunistic screening in urban centers. The current study reports histopathologic follow-up and human papillomavirus (HPV) results in women with high-grade squamous intraepithelial lesion (HSIL) Papanicolaou (Pap) tests reported at the largest academic women's hospital in China and compares these findings with those of published Western studies among frequently screened women. METHODS: A retrospective cohort study documented HSIL Pap tests, patient age, HPV results, and histopathologic follow-up from 2011 through 2015 in the Obstetrics and Gynecology Hospital of Fudan University (OGHFU) in Shanghai, China...
September 8, 2017: Cancer
https://www.readbyqxmd.com/read/28881717/5-aza-2-deoxycytidine-dac-treatment-downregulates-the-hpv-e6-and-e7-oncogene-expression-and-blocks-neoplastic-growth-of-hpv-associated-cancer-cells
#18
Maximilian Stich, Lennard Ganss, Jens Puschhof, Elena-Sophie Prigge, Miriam Reuschenbach, Ana Guiterrez, Svetlana Vinokurova, Magnus von Knebel Doeberitz
High-risk human papillomaviruses (hr HPVs) may cause various human cancers and associated premalignant lesions. Transformation of the host cells is triggered by overexpression of the viral oncogenes E6 and E7 that deregulate the cell cycle and induce chromosomal instability. This process is accompanied by hypermethylation of distinct CpG sites resulting in silencing of tumor suppressor genes, inhibition of the viral E2 mediated control of E6 and E7 transcription as well as deregulated expression of host cell microRNAs...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878842/efficacy-of-ezh2-inhibitory-drugs-in-human-papillomavirus-positive-and-human-papillomavirus-negative-oropharyngeal-squamous-cell-carcinomas
#19
Cameron D Lindsay, Morris A Kostiuk, Jeff Harris, Daniel A O'Connell, Hadi Seikaly, Vincent L Biron
BACKGROUND: Head and neck squamous cell carcinoma (HNSCC) is the sixth most prevalent cancer worldwide with rates of HPV-positive oropharyngeal squamous cell carcinoma (OPSCC) dramatically increasing. The overexpression of enhancer of zeste homolog 2 (EZH2), a histone methyltransferase responsible for the trimethylation at lysine 27 of histone 3 (H3K27me3), is associated with a poor clinical prognosis and aggressive HPV-positive phenotypes. METHODS: We utilized three EZH2 pathway inhibitors, GSK-343, DZNeP, and EPZ-5687, and tested their efficacy in two HPV-positive and two HPV-negative OPSCC cell lines...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28877828/infection-modes-and-subtypes-of-human-papilloma-virus-in-patients
#20
Rui Zhang, Xin-Xing Bi, Ali Ye, Ling-Jun Kong, Ya-Ling Dou
Objective To investigate the prevalence of human papilloma virus(HPV)subtypes in patients and to provide an evidence for the prevention and treatment of HPV infection and the development of HPV vaccine. Methods Multiplex PCR was used to detect HPV DNA in 6917 patients in Peking Union Medical College Hospital from January 1,2013 to June 30,2015.Totally 5586 patients entered the final analysis after the repeat samples were deleted.The total positive rate of HPV subtypes(including high-risk subtypes including HPV-16,18,31,33,35,39,45,51,52,56,58,59,and 68 and low-risk subtypes including HPV-6 and 11)and the infection status of different age were analyzed...
August 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
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