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https://www.readbyqxmd.com/read/28454290/a-multi-shrna-vector-enhances-the-silencing-efficiency-of-exogenous-and-endogenous-genes-in-human-cells
#1
Yanjie Weng, Ying Shi, Xi Xia, Wenjuan Zhou, Hongyan Wang, Changyu Wang
RNA interference (RNAi) is a powerful technology for suppressing gene function. In most studies, small interfering RNAs (siRNAs) consist of one short hairpin RNA (shRNA) and, therefore, are often unable to achieve loss-of-function of their target genes. In the current study, an RNAi vector containing three shRNAs under the control of three RNA polymerase III U6 promoters was constructed. RNAi vectors containing one or two shRNAs were generated for comparisons. A pilot study targeting exogenously expressed DsRed in the HEK293 cell line revealed promising effects and a high selectivity for the multi-shRNA RNAi vector...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454238/dopamine-receptor-d2-is-correlated-with-gastric-cancer-prognosis
#2
Jiasheng Mu, Weidan Huang, Zhujun Tan, Maolan Li, Lin Zhang, Qichen Ding, Xiangsong Wu, Jianhua Lu, Yingbin Liu, Qian Dong, Haineng Xu
It has been reported previously that a dopamine receptor D2 (DRD2) antagonist was able to induce cancer cell apoptosis and that DRD2 was expressed at high levels in pituitary adenomas. However, the expression of DRD2 in gastric cancer and its correlation with the prognosis of patients with gastric cancer remain to be elucidated. In the present study, the expression of DRD2 in 84 paired gastric cancer tissues and respective adjacent non-cancerous tissues were detected using an immunohistochemical assay. The correlation between the expression of DRD2 and the with survival durations of the patients with gastric cancer was analyzed using Kaplan-Meier analysis...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454192/-religious-spiritual-needs-and-psychosocial-burden-of-melanoma-patients
#3
Annette Haußmann, Norbert Schäffeler, Martin Hautzinger, Birgit Weyel, Thomas Eigentler, Stephan Zipfel, Martin Teufel
Questions of meaning and purpose in life are becoming relevant during cancer. Studies have shown that most patients have spiritual needs and that religion/spirituality can be an important ressource in coping with illness. So far, only few studies examine the psychosocial burden and the role of spiritual needs during the treatment process of patients with malignant melanoma. 22 patients were included in this study and assessed for psychosocial distress and spiritual needs while being screened for cancer metastases (t1) and 8 weeks later (t2)...
April 28, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28454067/assessment-of-the-swat-model-to-simulate-a-watershed-with-limited-available-data-in-the-pampas-region-argentina
#4
Martín Romagnoli, Margarita Portapila, Alfredo Rigalli, Gisela Maydana, Martín Burgués, Carlos M García
Argentina has been among the world leaders in the production and export of agricultural products since the 1990s. The Carcarañá River Lower Basin (CRLB), a cropland of the Pampas region supplied by extensive rainfall, is located in an area with few streamgauging and other hydrologic/water-quality stations. Therefore, limited hydrologic data are available resulting in limited water-resources assessment. This work explores the application of Soil and Water Assessment Tool (SWAT) model to the CRLB in the Santa Fe province of the Pampas region...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28454045/canadian-harm-reduction-policies-a-comparative-content-analysis-of-provincial-and-territorial-documents-2000-2015
#5
REVIEW
T Cameron Wild, Bernie Pauly, Lynne Belle-Isle, Walter Cavalieri, Richard Elliott, Carol Strike, Kenneth Tupper, Andrew Hathaway, Colleen Dell, Donald MacPherson, Caitlin Sinclair, Kamagaju Karekezi, Benjamin Tan, Elaine Hyshka
BACKGROUND: Access to harm reduction interventions among substance users across Canada is highly variable, and largely within the policy jurisdiction of the provinces and territories. This study systematically described variation in policy frameworks guiding harm reduction services among Canadian provinces and territories as part of the first national multimethod case study of harm reduction policy. METHODS: Systematic and purposive searches identified publicly-accessible policy texts guiding planning and organization of one or more of seven targeted harm reduction services: needle distribution, naloxone, supervised injection/consumption, low-threshold opioid substitution (or maintenance) treatment, buprenorphine/naloxone (suboxone), drug checking, and safer inhalation kits...
April 25, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28454038/long-term-variations-measurement-of-electromagnetic-field-exposures-in-alcal%C3%A3-de-henares-spain
#6
R Sánchez-Montero, C Alén-Cordero, P L López-Espí, J M Rigelsford, F Aguilera-Benavente, J Alpuente-Hermosilla
Electromagnetic radiowave exposure is a major concern in most countries due to possible adverse health effects. Over the last 10years, many technological changes (digital television, mobile technologies, wireless networks…) have led to variations in the electromagnetic field (EMF) levels. A large number of studies devoted to the analysis of EMF levels with personal dosimeters or computer models of the exposure of mobile stations have been conducted. However, the study of the exposure values, taking into account all the existing sources, and their evolution in a wide area, using measurements, has rarely been performed...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28454024/disentangling-the-effects-of-species-diversity-and-intraspecific-and-interspecific-tree-size-variation-on-aboveground-biomass-in-dry-zone-homegarden-agroforestry-systems
#7
Arshad Ali, Eskil Mattsson
The biodiversity - aboveground biomass relationship has been intensively studied in recent decades. However, no consensus has been arrived to consider the interplay of species diversity, and intraspecific and interspecific tree size variation in driving aboveground biomass, after accounting for the effects of plot size heterogeneity, soil fertility and stand quality in natural forest including agroforests. We tested the full, partial and no mediations effects of species diversity, and intraspecific and interspecific tree size variation on aboveground biomass by employing structural equation models (SEMs) using data from 45 homegarden agroforestry systems in Sri Lanka...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28453991/advocacy-coalitions-and-protected-areas-creation-process-case-study-in-the-amazon
#8
Sandra Nicolle, Maya Leroy
Protected areas are the cornerstones of conservation policies worldwide. However, only few researches are led to analyse the way they emerge, except for criticising top-down governmental choices. Yet, the historical approach and strategic analysis of public policy building over the long term allows a better understanding of the stakes of action capacity of these policies. We therefore mobilize the advocacy coalition framework to show that protected areas creation is always due to coalitions of actors who belong to different professional fields and act at different scales but nevertheless share common stakes...
April 25, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28453822/evaluation-of-a-novel-mentor-program-to-improve-surgical-care-for-us-hospitals
#9
Julia R Berian, Juliana M Thomas, Christina A Minami, Paula R Farrell, Kevin J O'Leary, Mark V Williams, Vivek N Prachand, Amy L Halverson, Karl Y Bilimoria, Julie K Johnson
Objective: To evaluate a novel mentor program for 27 US surgeons, charged with improving quality at their respective hospitals, having been paired 1:1 with 27 surgeon mentors through a state-wide quality improvement (QI) initiative. Design: Mixed-methods utilizing quantitative surveys and in-depth semi-structured interviews. Setting: The Illinois Surgical Quality Improvement Collaborative (ISQIC) utilized a novel Mentor Program to guide surgeons new to QI...
April 1, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28453711/improving-access-to-child-health-services-at-the-community-level-in-zambia-a-country-case-study-on-progress-in-child-survival-2000-2013
#10
Aaron M Kipp, Margaret Maimbolwa, Marie A Brault, Penelope Kalesha-Masumbu, Mary Katepa-Bwalya, Phanuel Habimana, Sten H Vermund, Kasonde Mwinga, Connie A Haley
Reductions in under-five mortality in Africa have not been sufficient to meet the Millennium Development Goal #4 (MDG#4) of reducing under-five mortality by two-thirds by 2015. Nevertheless, 12 African countries have met MDG#4. We undertook a four country study to examine barriers and facilitators of child survival prior to 2015, seeking to better understand variability in success across countries. The current analysis presents indicator, national document, and qualitative data from key informants and community women describing the factors that have enabled Zambia to successfully reduce under-five mortality over the last 15 years and achieve MDG#4...
June 1, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28453687/gdisc-a-web-portal-for-integrative-analysis-of-gene-drug-interaction-for-survival-in-cancer
#11
John Christian Givhan Spainhour, Juho Lim, Peng Qiu
Summary: Survival analysis has been applied to The Cancer Genome Atlas (TCGA) data. Although drug exposure records are available in TCGA, existing survival analyses typically did not consider drug exposure, partly due to naming inconsistencies in the data. We have spent extensive effort to standardize the drug exposure data, which enabled us to perform survival analysis on drug-stratified subpopulations of cancer patients. Using this strategy, we integrated gene copy number data, drug exposure data and patient survival data to infer gene-drug interactions that impact survival...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28453653/the-bologna-annotation-resource-bar-3-0-improving-protein-functional-annotation
#12
Giuseppe Profiti, Pier Luigi Martelli, Rita Casadio
BAR 3.0 updates our server BAR (Bologna Annotation Resource) for predicting protein structural and functional features from sequence. We increase data volume, query capabilities and information conveyed to the user. The core of BAR 3.0 is a graph-based clustering procedure of UniProtKB sequences, following strict pairwise similarity criteria (sequence identity ≥40% with alignment coverage ≥90%). Each cluster contains the available annotation downloaded from UniProtKB, GO, PFAM and PDB. After statistical validation, GO terms and PFAM domains are cluster-specific and annotate new sequences entering the cluster after satisfying similarity constraints...
April 27, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28453651/a-panoromic-view-of-personal-cancer-genomes
#13
Lidia Mateo, Oriol Guitart-Pla, Carles Pons, Miquel Duran-Frigola, Roberto Mosca, Patrick Aloy
The massive molecular profiling of thousands of cancer patients has led to the identification of many tumor type specific driver genes. However, only a few (or none) of them are present in each individual tumor and, to enable precision oncology, we need to interpret the alterations found in a single patient. Cancer PanorOmics (http://panoromics.irbbarcelona.org) is a web-based resource to contextualize genomic variations detected in a personal cancer genome within the body of clinical and scientific evidence available for 26 tumor types, offering complementary cohort- and patient-centric views...
April 27, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28453565/risk-factors-and-outcome-of-shigella-encephalopathy-in-bangladeshi-children
#14
Farzana Afroze, Tahmeed Ahmed, Monira Sarmin, Abu Smsb Shahid, K M Shahunja, Lubaba Shahrin, Mohammod Jobayer Chisti
BACKGROUND: Although, Shigella encephalopathy, a serious extra-intestinal complication of shigellosis, significantly increases the risks of death, data are very limited on predicting factors particularly related to electrolyte profiles in children below five years of age with Shigella encephalopathy. Our objective was to determine the clinical as well as laboratory predicting factors and outcome of children with Shigella encephalopathy. METHODOLOGY/PRINCIPAL FINDINGS: In this unmatched case-control design, children aged 2-59 months having a positive stool culture for Shigella and who had their serum electrolytes been done from July 2012 to June 2015 were studied...
April 28, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28453561/a-webgis-platform-for-the-monitoring-of-farm-animal-genetic-resources-genmon
#15
Solange Duruz, Christine Flury, Giona Matasci, Florent Joerin, Ivo Widmer, Stéphane Joost
BACKGROUND: In 2007, the Food and Agriculture Organization of the United Nations (FAO) initiated the Global plan of action for Farm Animal Genetic Resources (FAnGR). The main goal of this plan is to reduce further loss of genetic diversity in farm animals, so as to protect and promote the diversity of farm animal resources. An important step to reach this goal is to monitor and prioritize endangered breeds in the context of conservation programs. METHODOLOGY/WEB PORTAL IMPLEMENTATION: The GENMON WebGIS platform is able to monitor FAnGR and to evaluate the degree of endangerment of livestock breeds...
2017: PloS One
https://www.readbyqxmd.com/read/28453548/self-feedbacks-determine-the-sustainability-of-human-interventions-in-eco-social-complex-systems-impacts-on-biodiversity-and-ecosystem-health
#16
Marco Ortiz, Richard Levins
Several administrative polices have been implemented in order to reduce the negative impacts of fishing on natural ecosystems. Four eco-social models with different levels of complexity were constructed, which represent the seaweed harvest in central-northern Chile under two different regimes, Management and Exploitation Areas for Benthic Resources (MAEBRs) and Open Access Areas (OAAs). The dynamics of both regimes were analyzed using the following theoretical frameworks: (1) Loop Analysis, which allows the local stability or sustainability of the models and scenarios to be assessed; and (2) Hessian´s optimization procedure of a global fishery function (GFF) that represents each dynamics of each harvest...
2017: PloS One
https://www.readbyqxmd.com/read/28453509/self-image-and-sexuality-issues-among-young-women-with-breast-cancer-practical-recommendations
#17
Clara Hungr, Veronica Sanchez-Varela, Sharon L Bober
BACKGROUND: Younger breast cancer survivors face a unique set of treatment-related issues that have enormous impact on quality of life and psychological well-being. Although there is often a profound and distressing impact of treatment on self-image and sexual function, women rarely receive any attention for these issues. Unfortunately, most clinicians receive no training on how to inquire about these problems and most clinicians feel unprepared to discuss them. Often this silence is due to a lack of ready resources and uncertainty of appropriate strategies for rehabilitation...
March 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28453504/the-epidemiological-challenges-of-breast-cancer-among-premenopausal-women-in-limited-resource-settings
#18
Gabriela Torres-Mejía, Edgar Navarro-Lechuga, Rafael de Jesús Tuesca-Molina, Angélica Ángeles-Llerenas
Breast cancer is the most common malignant tumor among women of reproductive age and is also the most costly according to European reports. In this context, the aim of the present review is to identify factors that make breast cancer in premenopausal women an epidemiological challenge in developing countries. Epidemiological aspects of breast cancer, including risk factors, early detection methods, and treatment, are addressed. Breast cancer in premenopausal women should be included in the political and strategic agendas in developing countries to direct the necessary resources for prevention, detection, and control...
March 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28453427/visioncite-a-vision-science-related-database
#19
Karen S Lamson, Elizabeth G Hinton
VisionCite is a database dedicated to the visual sciences. This paid subscription database provides bibliographic information for optometry and ophthalmology-related resources and is maintained by the Illinois College of Optometry (ICO) Library. A sample search is provided, highlighting different features of the newly redesigned database.
April 2017: Medical Reference Services Quarterly
https://www.readbyqxmd.com/read/28453424/a-multicomponent-library-resource-model-to-enhance-academic-global-health-education-among-residency-programs
#20
Rupa R Patel, Sandhiya Ravichandran, Michelle M Doering, Angela C Hardi
Global health is becoming an increasingly important component of medical education. Medical libraries have an opportunity to assist global health residents with their information needs, but first it is important to identify what those needs are and how best they can be addressed. This article reports a collaboration between global health faculty and an academic medical librarian to assess the information needs of global health pathway residents and how assessment data are used to create a multicomponent program designed to enhance global health education...
April 2017: Medical Reference Services Quarterly
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