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https://www.readbyqxmd.com/read/28936976/progress-in-studies-of-the-mechanisms-and-clinical-diagnosis-of-cervical-carcinoma-associated-with-genomic-integration-of-high-risk-human-papillomavirus-dna
#1
Sha-Sha Huang, Deng-Zai Hao, Yan Zhang, Hou-Ming Liu, Wan-Shui Shan
High-risk human papillomavirus (hrHPV) has been identified as a key factor in the development of cervical cancer. Integration of viral DNA into the host genome has been postulated as an important etiological event during cervical carcinogenesis. High-risk HPV DNA integration frequently results in either the deletion or interruption of the large fragment of E1 and E2 region and the overexpression of oncogenes E6 and E7 in the viral genome, and the activation of oncogenes and the inactivation of tumor suppressors in host genome...
September 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28934937/mir-9-mir-21-and-mir-155-as-potential-biomarkers-for-hpv-positive-and-negative-cervical-cancer
#2
Sunyoung Park, Kiyoon Eom, Jungho Kim, Hyeeun Bang, Hye-Young Wang, Sungwoo Ahn, Geehyuk Kim, Hyoungsoon Jang, Sunghyun Kim, Dongsup Lee, Kwang Hwa Park, Hyeyoung Lee
BACKGROUND: Cervical cancer is the second leading cause of death among female patients with cancer in the world. High risk human papillomavirus has causal roles in cervical cancer initiation and progression by deregulating several cellular processes. However, HPV infection is not sufficient for cervical carcinoma development. Therefore, other genetic and epigenetic factors may be involved in this complex disease, and the identification of which may lead to better diagnosis and treatment...
September 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28933939/a-social-network-analysis-of-the-financial-links-backing-health-and-fitness-apps
#3
Quinn Grundy, Fabian Held, Lisa Bero
OBJECTIVES: To identify the major stakeholders in mobile health app development and to describe their financial relationships using social network analysis. METHODS: We conducted a structured content analysis of a purposive sample of prominent health and fitness apps available in November 2015 in the United States, Canada, and Australia. We conducted a social network analysis of apps' developers, investors, other funding sources, and content advisors to describe the financial relationships underpinning health app development...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933936/value-of-public-health-funding-in-preventing-hospital-bloodstream-infections-in-the-united-states
#4
Melanie D Whittington, Cathy J Bradley, Adam J Atherly, Jonathan D Campbell, Richard C Lindrooth
OBJECTIVES: To estimate the association of 1 activity of the Prevention and Public Health Fund with hospital bloodstream infections and calculate the return on investment (ROI). METHODS: The activity was funded for 1 year (2013). A difference-in-differences specification evaluated hospital standardized infection ratios (SIRs) before funding allocation (years 2011 and 2012) and after funding allocation (years 2013 and 2014) in the 15 US states that received the funding compared with hospital SIRs in states that did not receive the funding...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933935/a-smartphone-application-to-reduce-time-to-notification-of-sexually-transmitted-infections
#5
Adam Carl Cohen, Frederick Zimmerman, Michael Prelip, Deborah Glik
OBJECTIVES: To measure whether the implementation of Healthvana-an online patient engagement platform and smartphone application-reduced the number of days between sexually transmitted infection (STI) testing, notification, and treatment at AIDS Healthcare Foundation (AHF) Wellness Centers. METHODS: We analyzed the retrospective data for 917 male clients who tested positive and received treatment for chlamydia, gonorrhea, or syphilis between January 1, 2014, and December 31, 2015...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933934/emergency-medical-service-personnel-s-risk-from-violence-while-serving-the-community
#6
Brian J Maguire, Barbara J O'Neill
OBJECTIVES: To determine the risks of violence-related injury among emergency medical services (EMS) personnel in the United States. METHODS: We analyzed 1630 violence-related occupational injury cases reported to the US Bureau of Labor Statistics for the years 2012 to 2015 and conducted secondary searches within the Bureau of Labor Statistics Web site. RESULTS: The number of cases per year varied between 250 and 560. Perpetrators included patients (77%) and coworkers (8%)...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933929/diagnostic-accuracy-of-two-food-insecurity-screeners-recommended-for-use-in-health-care-settings
#7
Jennifer A Makelarski, Emily Abramsohn, Jasmine H Benjamin, Senxi Du, Stacy Tessler Lindau
OBJECTIVES: To test the diagnostic accuracy of the American Academy of Pediatrics (AAP) recommended food insecurity screener. METHODS: We conducted prospective diagnostic accuracy studies between July and November 2016 in Chicago, Illinois. We recruited convenience samples of adults from adult and pediatric emergency departments (12-month recall study: n = 188; 30-day recall study: n = 154). A self-administered survey included the 6-item Household Food Security Screen (gold standard), the validated 2-item Hunger Vital Sign (HVS; often, sometimes, never response categories), and the 2-item AAP tool (yes-or-no response categories)...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933928/nursing-and-the-public-health-legacies-of-the-russian-revolution
#8
Susan Grant
The centenary of the October Revolution in 1917 provides a timely opportunity to assess the legacies of that event. I examine the role of the revolution in public health with a focus on nursing, assessing the Imperial Russian health care system, the development of Soviet nursing, and current plans for nursing and public health care in Putin's Russia. Analyzing nursing shows that there was a great deal of continuity in terms of medical personnel and ideas on how public health care service in Russia should operate...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933926/law-enforcement-and-gun-retailers-as-partners-for-safely-storing-guns-to-prevent-suicide-a-study-in-8-mountain-west-states
#9
Carol W Runyan, Ashley Brooks-Russell, Sara Brandspigel, Marian Betz, Gregory Tung, Douglas Novins, Robert Agans
OBJECTIVES: To examine the extent to which law enforcement agencies (LEAs) and gun retailers are willing to offer voluntary, temporary storage as a part of an overall suicide prevention effort. METHODS: We invited all LEAs and gun retailers in 8 US states to respond to questionnaires asking about their willingness to offer temporary gun storage and their recommendations to gun owners about safe storage. RESULTS: We collected data in 2016 from 448 LEAs and 95 retailers (response rates of 53% and 25%, respectively)...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933253/the-role-of-p53-microrna-200-moesin-axis-in-invasion-and-drug-resistance-of-breast-cancer-cells
#10
Farheen Alam, Fatima Mezhal, Hussain El Hasasna, Vidhya A Nair, S R Aravind, Maha Saber Ayad, Ahmed El-Serafi, Wael M Abdel-Rahman
This study aimed to analyze the expression of microRNAs in relation to p53 status in breast cancer cells and to delineate the role of Moesin in this axis. We used three isogenic breast carcinoma cell lines MCF7 (with wild-type p53), 1001 (MCF7 with mutated p53), and MCF7-E6 (MCF7 in which p53 function was disrupted). MicroRNA expression was analyzed using microarray analysis and confirmed by real-time polymerase chain reaction. The 1001 clone with mutant p53 showed 22 upregulated and 25 downregulated microRNAs...
September 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28932636/cd103-tumor-infiltrating-lymphocytes-are-tumor-reactive-intraepithelial-cd8-t-cells-associated-with-prognostic-benefit-and-therapy-response-in-cervical-cancer
#11
Fenne L Komdeur, Thalina M Prins, Stephanie van de Wall, Annechien Plat, G Bea A Wisman, Harry Hollema, Toos Daemen, David N Church, Marco de Bruyn, Hans W Nijman
Human papilloma virus (HPV)-induced cervical cancer constitutively expresses viral E6/E7 oncoproteins and is an excellent target for T cell-based immunotherapy. However, not all tumor-infiltrating T cells confer equal benefit to patients, with epithelial T cells being superior to stromal T cells. To assess whether the epithelial T cell biomarker CD103 could specifically discriminate the beneficial antitumor T cells, association of CD103 with clinicopathological variables and outcome was analyzed in the TCGA cervical cancer data set (n = 304) and by immunohistochemistry (IHC) in an independent cohort (n = 460)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28930517/mirna-as-viral-transcription-tuners-in-hpv-mediated-cervical-carcinogenesis
#12
Gauri Shishodia, Gaurav Verma, Bhudev Chandra Das, Alok Chandra Bharti
High-risk human papillomaviruses (HPVs) are oncogenic DNA viruses that promote carcinogenic signaling by their oncoproteins mainly E6 and E7. A well-defined promoter regulates expression and enhancer region on HPV genome containing number of cis elements that essentially require a set of cognate host transcription factors to regulate viral promoter gene activity. Expression of these host factors is tightly regulated at multiple levels such as transcriptional, post-transcriptional and post-translational level...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28926772/ultrasound-assisted-interaction-between-chlorin-e6-and-human-serum-albumin-ph-dependence-singlet-oxygen-production-and-formulation-effect
#13
Mihaela N Mocanu, Fei Yan
The interaction between chlorin e6 (Ce6) and human serum albumin (HSA) in the presence and absence of ultrasound have been investigated by ultraviolet-visible absorption spectroscopy and fluorescence spectroscopy. Ce6 is found to bind strongly to HSA at or near physiological pH conditions, but the strength of the binding is significantly weakened at lower pHs. The intrinsic fluorescence of HSA is incrementally quenched with increasing concentration of Ce6, and the quenching is enhanced after exposure to high-frequency ultrasound...
September 13, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28926732/multifunctional-mesoporous-zro2-encapsulated-upconversion-nanoparticles-for-mild-nir-light-activated-synergistic-cancer-therapy
#14
Lili Feng, Shili Gai, Fei He, Yunlu Dai, Chongna Zhong, Piaoping Yang, Jun Lin
Desirable nanosystem that could not only deliver drugs safely and effectively into tumor sites, but also be expected to serve as photosensitizer to realize the photodynamic therapeutic function, would be of great significance in the synergistic cancer therapy. To perform this task, a multifunctional nanosystem has been developed for markedly enhanced cancer therapeutic efficacy by loading chemotherapy agent (doxorubicin hydrochloride, DOX) and photosensitive drug chlorin e6 (Ce6) into the channels of mesoporous zirconium dioxide (ZrO2) layer which coats on Nd(3+)-doped upconversion nanoparticles (UCNPs)...
September 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28924046/in-silico-modeling-of-the-cryptic-e2-ubiquitin-binding-site-of-e6-associated-protein-e6ap-ube3a-reveals-the-mechanism-of-polyubiquitin-chain-assembly
#15
Virginia P Ronchi, Elizabeth D Kim, Christopher M Summa, Jennifer M Klein, Arthur L Haas
To understand the mechanism for assembly of Lys(48)-linked polyubiquitin degradation signals, we previously demonstrated the E6AP/UBE3A ligase harbors two functionally-distinct E2~ubiquitin binding sites: a high-affinity Site 1 required for E6AP Cys(820)~ubiquitin thioester formation and a canonical Site 2 responsible for subsequent chain elongation. Ordered binding to Sites 1 and 2 is here revealed by observation of UbcH7~ubiquitin-dependent substrate inhibition of chain formation at micromolar concentrations...
September 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28914410/c21-steroid-derivatives-from-the-dai-herbal-medicine-dai-bai-jie-the-dried-roots-of-marsdenia-tenacissima-and-their-screening-for-anti-hiv-activity
#16
Xu Pang, Li-Ping Kang, Xiao-Mei Fang, He-Shui Yu, Li-Feng Han, Yang Zhao, Li-Xia Zhang, Li-Yan Yu, Bai-Ping Ma
Twenty-three new C21 steroidal glycosides, marstenacissides C1-C10 (1-10), D1-D7 (11-17) and E1-E6 (18-23), and four new C21 steroids, 11α,12β-O-ditigloyl-tenacigenin C (24), 11α-O-benzoyl-12β-O-tigloyl-tenacigenin C (25), 11α-O-tigloyl-12β-O-benzoyl-tenacigenin C (26) and 11α-O-tigloyl-12β-O-benzoyl-marsdenin (27), were isolated from the Dai herbal medicine Dai-Bai-Jie, derived from the roots of Marsdenia tenacissima. The chemical structures of all compounds were established by spectroscopic techniques, including high-resolution mass spectrometry and NMR spectroscopy, as well as by comparison with reported spectral data...
September 15, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28912369/customized-viral-immunotherapy-for-hpv-associated-cancer
#17
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/28911212/apposition-to-endometrial-epithelial-cells-activates-mouse-blastocysts-for-implantation
#18
Peter T Ruane, Stéphane C Berneau, Rebekka Koeck, Jessica Watts, Susan J Kimber, Daniel R Brison, Melissa Westwood, John D Aplin
STUDY QUESTION: How do interactions between blastocyst-stage embryos and endometrial epithelial cells regulate the early stages of implantation in an in vitro model? SUMMARY ANSWER: Mouse blastocyst apposition with human endometrial epithelial cells initiates trophectoderm differentiation to trophoblast, which goes on to breach the endometrial epithelium. WHAT IS KNOWN ALREADY: In vitro models using mouse blastocysts and human endometrial cell lines have proven invaluable in the molecular characterisation of embryo attachment to endometrial epithelium at the onset of implantation...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28910635/gestational-stage-and-ifn-%C3%AE-signaling-regulate-zikv-infection-in-utero
#19
Brett W Jagger, Jonathan J Miner, Bin Cao, Nitin Arora, Amber M Smith, Attila Kovacs, Indira U Mysorekar, Carolyn B Coyne, Michael S Diamond
Although Zika virus (ZIKV)-induced congenital disease occurs more frequently during early stages of pregnancy, its basis remains undefined. Using established type I interferon (IFN)-deficient mouse models of ZIKV transmission in utero, we found that the placenta and fetus were more susceptible to ZIKV infection at earlier gestational stages. Whereas ZIKV infection at embryonic day 6 (E6) resulted in placental insufficiency and fetal demise, infections at midstage (E9) resulted in reduced cranial dimensions, and infection later in pregnancy (E12) caused no apparent fetal disease...
September 13, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28901302/the-clinical-application-of-hpv-e6-e7-mrna-testing-in-triaging-women-with-atypical-squamous-cells-of-undetermined-significance-or-low-grade-squamous-intra-epithelial-lesion-pap-smear-a-meta-analysis
#20
REVIEW
Li Yang, Yuanhang Zhu, Yang Bai, Xiaoan Zhang, Chenchen Ren
OBJECTIVE: The aim is to evaluate the clinical application value and correlation with cervical lesions' progression of human papillomavirus (HPV) E6/E7 mRNA test in women with atypical squamous cells of undetermined significance (ASCUS/borderline) or low-grade squamous intraepithelial lesions (LSILs/mild dyskaryosis) cytological abnormalities. METHODS: A meta-analysis was conduct by searching China National Knowledge Infrastructure (1979-2016), Wanfang Date (1998-2016), VIP (1989-2016), PubMed (1950-2016), Web of Science (1950-2016) and Elsevier Science Direct (1998-2016), for studies on effect of HPV E6/E7 mRNA detection in women with ASCUS/LSIL/dyskaryosis...
2017: Journal of Cancer Research and Therapeutics
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