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https://www.readbyqxmd.com/read/28207342/cumulative-lifetime-marijuana-use-and-incident-cardiovascular-disease-in-middle-age-the-coronary-artery-risk-development-in-young-adults-cardia-study
#1
Jared P Reis, Reto Auer, Michael P Bancks, David C Goff, Cora E Lewis, Mark J Pletcher, Jamal S Rana, James M Shikany, Stephen Sidney
OBJECTIVES: To investigate the effects of marijuana in the development of incident cardiovascular and cerebrovascular outcomes. METHODS: Participants were 5113 adults aged 18 to 30 years at baseline (1985-1986) from the Coronary Artery Risk Development in Young Adults study, who were followed for more than 25 years. We estimated cumulative lifetime exposure to marijuana using repeated assessments collected at examinations every 2 to 5 years. The primary outcome was incident cardiovascular disease (CVD) through 2013...
February 16, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28207341/visual-loss-and-subsequent-activity-limitations-in-the-elderly-the-french-three-city-cohort
#2
Karine Pérès, Fanny Matharan, Vincent Daien, Virginie Nael, Arlette Edjolo, Isabelle Bourdel-Marchasson, Karen Ritchie, Christophe Tzourio, Cécile Delcourt, Isabelle Carrière
OBJECTIVES: To investigate the relationship between vision and disability in the elderly. METHODS: We used a baseline visual indicator (combining near acuity with Snellen equivalent < 20/30 and self-reported distance visual loss) to explore the association between visual loss and subsequent disability (mobility, instrumental activities of daily living [IADLs], ADLs, and participation restriction) from 1999 to 2007 in 8491 elderly participants of the French Three-City Cohort (Bordeaux, Dijon, and Montpellier)...
February 16, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28207339/measuring-socioeconomic-inequalities-with-predicted-absolute-incomes-rather-than-wealth-quintiles-a-comparative-assessment-using-child-stunting-data-from-national-surveys
#3
Günther Fink, Cesar G Victora, Kenneth Harttgen, Sebastian Vollmer, Luís Paulo Vidaletti, Aluisio J D Barros
OBJECTIVES: To compare the predictive power of synthetic absolute income measures with that of asset-based wealth quintiles in low- and middle-income countries (LMICs) using child stunting as an outcome. METHODS: We pooled data from 239 nationally representative household surveys from LMICs and computed absolute incomes in US dollars based on households' asset rank as well as data on national consumption and inequality levels. We used multivariable regression models to compare the predictive power of the created income measure with the predictive power of existing asset indicator measures...
February 16, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28207327/public-health-ethics-and-autonomous-vehicles
#4
Janet Fleetwood
With the potential to save nearly 30 000 lives per year in the United States, autonomous vehicles portend the most significant advance in auto safety history by shifting the focus from minimization of postcrash injury to collision prevention. I have delineated the important public health implications of autonomous vehicles and provided a brief analysis of a critically important ethical issue inherent in autonomous vehicle design. The broad expertise, ethical principles, and values of public health should be brought to bear on a wide range of issues pertaining to autonomous vehicles...
February 16, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28202002/viral-e6-is-overexpressed-via-high-viral-load-in-invasive-cervical-cancer-with-episomal-hpv16
#5
Die Hong, Jia Liu, Ying Hu, Xiaonan Lu, Baohua Li, Yang Li, Dongxiao Hu, Weiguo Lu, Xing Xie, Xiaodong Cheng
BACKGROUND: The integration of HR-HPV genome into host DNA is regarded as a key step for the development of cervical cancer. However, HR-HPV genome indeed exists as episome except for integrant. It may be alternative mechanisms in episome-associated carcinogenesis, although, by which HPV 16 episome induces cervical carcinogenesis is unclear now. METHODS: Ninety-three invasive cervical cancer tissues with HPV16 positive were collected. Viral physical status was calculated from comparing E2 to E6-copies and detection of viral load was made with realtime-PCR using copy numbers of E6...
February 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28201962/preparation-and-optimization-of-fast-dissolving-film-of-naratriptan-hydrochloride
#6
Krishna D Koradia, Pradip T Sidhdhapara, Navin R Sheth
BACKGROUND AND OBJECTIVE: Naratriptan is second-generation triptan class of antimigraine drug which selectively bind with 5-HT(1B/1D) receptor. It is widely used to treat the migraine attack due to its better tolerability and lower recurrence rate as compared to other triptans. Despite of the applicability, Naratriptan also have several drawback like slow onset of action and fist pass metabolism which reduce its efficacy. In order to increase the efficacy of naratriptan fast dissolving film is prepared...
February 12, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28196267/detection-of-minimally-visible-recurrent-retinoblastoma-by-hand-held-spectral-domain-optical-coherence-tomography
#7
Maria E Gonzalez-Montpetit, Wasim A Samara, George N Magrath, Carol L Shields
A 2-month-old male infant with bilateral familial retinoblastoma was treated with intravenous chemotherapy and focal adjuvant therapy. At 5 months of follow-up, fundus examination and ultrasonography disclosed no recurrence; however, hand-held spectral-domain optical coherence tomography (SD-OCT) demonstrated subclinical recurrence within a previous regression scar. Subsequent treatment led to flat scar. Hand-held SD-OCT can be a useful tool for detection of subclinical recurrent retinoblastoma. [J Pediatr Ophthalmol Strabismus...
February 14, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28194972/fragment-based-approach-for-the-evaluation-of-nmr-chemical-shifts-for-large-biomolecules-incorporating-the-effects-of-the-solvent-environment
#8
K V Jovan Jose, Krishnan Raghavachari
We present an efficient implementation of the molecules-in-molecules (MIM) fragment-based quantum chemical method for the evaluation of NMR chemical shifts of large biomolecules. Density functional techniques have been employed in conjunction with large basis sets and including the effects of the solvent environment in these calculations. The MIM-NMR method is initially benchmarked on a set of (alanine)10 conformers containing strong intramolecular interactions. The incorporation of a second low level of theory to recover the missing long-range interactions in the primary fragmentation scheme is critical to yield reliable chemical shifts, with a mean absolute deviation (MAD) from direct unfragmented calculations of 0...
February 14, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28193191/effective-inhibition-of-mers-cov-infection-by-resveratrol
#9
Shih-Chao Lin, Chi-Tang Ho, Wen-Ho Chuo, Shiming Li, Tony T Wang, Chi-Chen Lin
BACKGROUND: Middle East Respiratory Syndrome coronavirus (MERS-CoV) is an emerging viral pathogen that causes severe morbidity and mortality. Up to date, there is no approved or licensed vaccine or antiviral medicines can be used to treat MERS-CoV-infected patients. Here, we analyzed the antiviral activities of resveratrol, a natural compound found in grape seeds and skin and in red wine, against MERS-CoV infection. METHODS: We performed MTT and neutral red uptake assays to assess the survival rates of MERS-infected Vero E6 cells...
February 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28187443/analysis-of-the-cancer-genome-atlas-sequencing-data-reveals-novel-properties-of-the-human-papillomavirus-16-genome-in-head-and-neck-squamous-cell-carcinoma
#10
Tara J Nulton, Amy L Olex, Mikhail Dozmorov, Iain M Morgan, Brad Windle
Human papillomavirus (HPV) DNA is detected in up to 80% of oropharyngeal carcinomas (OPC) and this HPV positive disease has reached epidemic proportions. To increase our understanding of the disease, we investigated the status of the HPV16 genome in HPV-positive head and neck cancers (HNC). Raw RNA-Seq and Whole Genome Sequence data from The Cancer Genome Atlas HNC samples were analyzed to gain a full understanding of the HPV genome status for these tumors. Several remarkable and novel observations were made following this analysis...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28181187/transcriptionally-active-high-risk-human-papillomavirus-is-not-a-common-etiologic-agent-in-the-malignant-transformation-of-inverted-schneiderian-papillomas
#11
Lisa M Rooper, Justin A Bishop, William H Westra
The role of human papillomavirus (HPV) as an etiologic and transformational agent in inverted Schneiderian papilloma (ISP) is unclear. Indeed, reported detection rates of HPV in ISPs range from 0 to 100%. The true incidence has been confounded by a tendency to conflate high- and low-risk HPV types and by the inability to discern biologically relevant from irrelevant HPV infections. The recent development of RNA in situ hybridization for high-risk HPV E6/E7 mRNA now allows the direct visualization of transcriptionally active high-risk HPV in ISP, providing an opportunity to more definitively assess its role in the development and progression of ISPs...
February 8, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28176847/marine-streptomyces-sp-derived-antimycin-analogues-suppress-hela-cells-via-depletion-hpv-e6-e7-mediated-by-ros-dependent-ubiquitin-proteasome-system
#12
Weiyi Zhang, Qian Che, Hongsheng Tan, Xin Qi, Jing Li, Dehai Li, Qianqun Gu, Tianjiao Zhu, Ming Liu
Four new antimycin alkaloids (1-4) and six related known analogs (5-10) were isolated from the culture of a marine derived Streptomyces sp. THS-55, and their structures were elucidated by extensive spectroscopic analysis. All of the compounds exhibited potent cytotoxicity in vitro against HPV-transformed HeLa cell line. Among them, compounds 6-7 were derived as natural products for the first time, and compound 5 (NADA) showed the highest potency. NADA inhibited the proliferation, arrested cell cycle distribution, and triggered apoptosis in HeLa cancer cells...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28170083/detection-of-cervical-intraepithelial-neoplasia-with-hpve6-e7-mrna-among-women-with-atypical-squamous-cells-of-unknown-significance
#13
Ya Li, Shouhua Rong, Yanfang Zhi, Cui Qiu, Tingting Fan, Xiaofu Li
OBJECTIVE: To compare E6/E7 mRNA and HPV DNA assays for evaluating women with atypical cells of undetermined significance (ASCUS). METHODS: The present prospective study enrolled patients with ASCUS undergoing HPV testing at Third Affiliated Hospital of Zhengzhou University, China, between September 1, 2013, and January 31, 2016. Patients with positive HPV DNA test results underwent screening by E6/E7 mRNA assay, and the accuracy of HPV DNA and E6/E7 mRNA testing were compared, with histology used for definitive diagnoses...
February 7, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28168784/platelet-derived-microparticles-and-soluble-factors-differentially-regulate-human-endometrial-epithelial-cell-movement
#14
Koh Suginami, Yukiyasu Sato, Akihito Horie, Hisanori Matsumoto, Hirohiko Tani, Yasunari Mizumoto, Masanori Ono, Ayumi Matsuoka, Satoru Kyo, Yoshihiko Araki, Ikuo Konishi, Hiroshi Fujiwara
PROBLEM: We previously proposed that platelets promote re-epithelialization during menstruation. As cell movement is one of the important cell behaviors in the process of tissue remodeling, we examined the effects of platelets on endometrial epithelial cell invasion. METHOD OF STUDY: The platelets were isolated from healthy women. Using a human endometrial epithelial cell-derived immortalized cell line, EM-E6/E7/hTERT cells, we examined the effects of platelets and platelet-derived condition media with or without microparticles on the morphological and invasive properties of EM-E6/E7/hTERT cells...
February 7, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28166181/dna-vaccine-encoding-hpv16-oncogenes-e6-and-e7-induces-potent-cell-mediated-and-humoral-immunity-which-protects-in-tumor-challenge-and-drives-e7-expressing-skin-graft-rejection
#15
Janin Chandra, Julie L Dutton, Bo Li, Wai-Ping Woo, Yan Xu, Lynn K Tolley, Michelle Yong, James W Wells, Graham R Leggatt, Neil Finlayson, Ian H Frazer
We have previously shown that a novel DNA vaccine technology of codon optimization and the addition of ubiquitin sequences enhanced immunogenicity of a herpes simplex virus 2 polynucleotide vaccine in mice, and induced cell-mediated immunity when administered in humans at relatively low doses of naked DNA. We here show that a new polynucleotide vaccine using the same technology and encoding a fusion protein of the E6 and E7 oncogenes of high-risk human papillomavirus type 16 (HPV16) is immunogenic in mice. This vaccine induces long-lasting humoral and cell-mediated immunity and protects mice from establishment of HPV16-E7-expressing tumors...
February 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28164197/firmly-anchored-photosensitizer-chlorin-e6-to-layered-double-hydroxide-nanoflakes-for-highly-efficient-photodynamic-therapy-in-vivo
#16
Li Yan, Zhigang Wang, Xianfeng Chen, Xiao-Jun Gou, Zhenyu Zhang, Xiaoyue Zhu, Minhuan Lan, Wei Chen, Guangyu Zhu, Wenjun Zhang
In using nanomaterials for advanced photodynamic therapy, it is important to improve surface modification to increase stability, minimize non-specific loss of drugs in blood circulation, enhance the photostability of photosensitizers, and achieve highly efficient intracellular uptake. In this report, we for the first time covalently conjugate photosensitizer Chlorin e6 (Ce6) to polyethylene glycol modified layered double hydroxides and produce hybrid nanoflakes. These nanoflakes display many superior characteristics and lead to excellent in vivo photodynamic therapeutic efficiency and safety profiles...
February 6, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28161572/single-wavelength-light-mediated-synergistic-bimodal-cancer-photoablation-and-amplified-photothermal-performance-by-graphene-gold-nanostar-photosensitizer-theranostics
#17
Chunhui Wu, Dan Li, Lianhui Wang, Xiaotian Guan, Yuan Tian, Hong Yang, Shun Li, Yiyao Liu
: Light-triggered nanotheranostics opens a fascinating but challenging avenue to achieve simultaneous and highly efficient anticancer outcomes for multimodal therapeutic and diagnostic modalities. Herein, a multifunctional phototheranostics based on a photosensitizer-assembled graphene/gold nanostar hybrid (GO/AuNS-PEG) was developed for cancer synergistic photodynamic (PDT) and photothermal therapy (PTT) as well as effective photothermal imaging. The stable and biocompatible GO/AuNS-PEG composite displayed a high photothermal conversion efficiency due to the enhanced optical absorbance of both graphene and gold nanostars in the near-infrared (NIR) range...
February 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28160779/mir-3156-3p-is-downregulated-in-hpv-positive-cervical-cancer-and-performs-as-a-tumor-suppressive-mirna
#18
Yu-Fang Xia, Gui-Hua Pei, Ning Wang, Yan-Ci Che, Feng-Sheng Yu, Fu-Fen Yin, Hai-Xia Liu, Bing Luo, Yan-Kui Wang
BACKGROUND: Cervical cancer (CC) is the second most common cancer in females in developing countries. The two viral oncoproteins E6 and E7 mediate the oncogenic activities of high-risk human papillomavirus (HR-HPV), and HR-HPV, especially HPV16 or/and HPV18 (HPV16/18) play critical roles in CC through different pathways. microRNAs (miRNAs) may be associated with CC pathogenesis. Researches have indicated that human papillomavirus (HPV) may regulate cellular miRNA expression through viral E6 and E7...
February 4, 2017: Virology Journal
https://www.readbyqxmd.com/read/28148963/photodynamic-therapy-monitoring-with-optical-coherence-angiography
#19
M A Sirotkina, L A Matveev, M V Shirmanova, V Y Zaitsev, N L Buyanova, V V Elagin, G V Gelikonov, S S Kuznetsov, E B Kiseleva, A A Moiseev, S V Gamayunov, E V Zagaynova, F I Feldchtein, A Vitkin, N D Gladkova
Photodynamic therapy (PDT) is a promising modern approach for cancer therapy with low normal tissue toxicity. This study was focused on a vascular-targeting Chlorine E6 mediated PDT. A new angiographic imaging approach known as M-mode-like optical coherence angiography (MML-OCA) was able to sensitively detect PDT-induced microvascular alterations in the mouse ear tumour model CT26. Histological analysis showed that the main mechanisms of vascular PDT was thrombosis of blood vessels and hemorrhage, which agrees with angiographic imaging by MML-OCA...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28146100/echovirus-6-infects-human-exocrine-and-endocrine-pancreatic-cells-and-induces-pro-inflammatory-innate-immune-response
#20
Luis Sarmiento, Gun Frisk, Mahesh Anagandula, Monika Hodik, Ilaria Barchetta, Eitan Netanyah, Eduardo Cabrera-Rode, Corrado M Cilio
Human enteroviruses (HEV), especially coxsackievirus serotype B (CVB) and echovirus (E), have been associated with diseases of both the exocrine and endocrine pancreas, but so far evidence on HEV infection in human pancreas has been reported only in islets and ductal cells. This study aimed to investigate the capability of echovirus strains to infect human exocrine and endocrine pancreatic cells. Infection of explanted human islets and exocrine cells with seven field strains of E6 caused cytopathic effect, virus titer increase and production of HEV protein VP1 in both cell types...
January 30, 2017: Viruses
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