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https://www.readbyqxmd.com/read/28346099/development-of-novel-cell-lines-for-high-throughput-screening-to-detect-estrogen-related-receptor-alpha-modulators
#1
Christina T Teng, Jui-Hua Hsieh, Jinghua Zhao, Ruili Huang, Menghang Xia, Negin Martin, Xiaohua Gao, Darlene Dixon, Scott S Auerbach, Kristine L Witt, B Alex Merrick
Estrogen-related receptor alpha (ERRα), the first orphan nuclear receptor discovered, is crucial for the control of cellular energy metabolism. ERRα and its coactivator, peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), are required for rapid energy production in response to environmental challenges. They have been implicated in the etiology of metabolic disorders such as type 2 diabetes and metabolic syndrome. ERRα also plays a role in the pathogenesis of breast cancer. Identification of compounds that modulate ERRα signaling may elucidate environmental factors associated with these diseases...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28330748/control-of-biofilm-forming-clinically-important-bacteria-by-green-synthesized-zno-nanoparticles-and-its-ecotoxicity-on-ceriodaphnia-cornuta
#2
Sekar Vijayakumar, Balasubramanian Malaikozhundan, Sathappan Shanthi, Baskaralingam Vaseeharan, Nooruddin Thajuddin
Zinc oxide nanoparticles were synthesized using the aqueous leaf extracts of Plectranthus barbatus (Plb-ZnO NPs) and characterized by UV-visible spectroscopy, XRD, FTIR. SEM and EDS and UV-visible spectra recorded the absorbance peak of Plb-ZnO NPs at 343 nm. SEM analyses showed the spherical shape of Plb-ZnO NPs with the particle size between 30 and 60 nm. Plb-ZnO NPs exhibited antibacterial and antibiofilm activity against Gram positive Bacillus subtilis at all tested concentrations. In contrast, Plb-ZnO NPs showed antibacterial and antibiofilm activity against Gram negative Vibrio parahaemolyticus and Proteus vulgaris at 100 μg/ml...
March 18, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28325209/-to-err-is-human-but-to-not-put-processes-in-place-to-avoid-errors-from-becoming-fatal-is-inhumane-5th-international-summit-of-the-patient-safety-movement-psm-california-usa-2017
#3
https://www.readbyqxmd.com/read/28324619/identification-of-a-herv-k-env-surface-peptide-highly-recognized-in-ra-patients-a-cross-sectional-case-control-study
#4
G Mameli, G L Erre, E Caggiu, S Mura, D Cossu, Marco Bo, M L Cadoni, A Piras, N Mundula, E Colombo, G Buscetta, G Passiu, L A Sechi
Endogenous Retroviruses (HERV) are believed to be pathogenic in several autoimmune diseases. Among them, HERV-K viruses have been recently reported to be involved in the pathogenesis of rheumatoid arthritis (RA). In this study we have explored the role of humoral immune response against HERV-K as a potential pathogenetic mechanism in RA. Four different peptides from the extracellular portion of the env protein of HERV-K (env-su 19-37 , env-su 109-26 , env-su 164-186 , env-su 209-226 ) were selected by bioinformatic analysis on the basis of their putative immunogenicity...
March 21, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28323575/lung-laryngeal-and-other-respiratory-cancer-incidence-among-japanese-atomic-bomb-survivors-an-updated-analysis-from-1958-through-2009
#5
Elizabeth K Cahoon, Dale L Preston, Donald A Pierce, Eric Grant, Alina V Brenner, Kiyohiko Mabuchi, Mai Utada, Kotaro Ozasa
The Life Span Study (LSS) of Japanese atomic bomb survivors is comprised of a large, population-based cohort offering one of the best opportunities to study the relationship between exposure to radiation and incidence of respiratory cancers. Risks of lung, laryngeal and other cancers of the respiratory system were evaluated among 105,444 LSS subjects followed from 1958 to 2009. During this period, we identified 2,446 lung, 180 laryngeal and 115 other respiratory (trachea, mediastinum and other ill-defined sites) first primary incident cancer cases...
March 21, 2017: Radiation Research
https://www.readbyqxmd.com/read/28322945/bifunctional-role-of-leucine-300-of-firefly-luciferase-in-structural-rigidity
#6
Farzad Yousefi, Farangis Ataei, Mojtaba Mortazavi, Saman Hosseinkhani
Firefly luciferase is susceptible to thermal inactivation, thereby its intracellular half-life decreased. Previous reports indicated that L(300)R mutation (LRR mutant) in E(354)R/Arg(356) double mutant (ERR mutant) from Lampyris turkestanicus luciferase has increased its thermal stability and rigidity through induction of some ionic bonds with Asp 270 and 271. Disruption of the deduced ionic bonds in an ultra-rigid mutant of firefly luciferase did not reverse the flexibility of the protein. In this study, we investigated the effects of this residue to find the truth behind an extraordinary increase in thermal stability and rigidity of luciferase after replacement of leucine 300 by arginine based on previous reports...
March 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28319463/solid-cancer-incidence-among-the-life-span-study-of-atomic-bomb-survivors-1958-2009
#7
Eric J Grant, Alina Brenner, Hiromi Sugiyama, Ritsu Sakata, Atsuko Sadakane, Mai Utada, Elizabeth K Cahoon, Caitlin M Milder, Midori Soda, Harry M Cullings, Dale L Preston, Kiyohiko Mabuchi, Kotaro Ozasa
This is the third analysis of solid cancer incidence among the Life Span Study (LSS) cohort of atomic bomb survivors in Hiroshima and Nagasaki, adding eleven years of follow-up data since the previously reported analysis. For this analysis, several changes and improvements were implemented, including updated dose estimates (DS02R1) and adjustment for smoking. Here, we focus on all solid cancers in aggregate. The eligible cohort included 105,444 subjects who were alive and had no known history of cancer at the start of follow-up...
March 20, 2017: Radiation Research
https://www.readbyqxmd.com/read/28319436/estimating-the-risks-of-breast-cancer-radiotherapy-evidence-from-modern-radiation-doses-to-the-lungs-and-heart-and-from-previous-randomized-trials
#8
Carolyn Taylor, Candace Correa, Frances K Duane, Marianne C Aznar, Stewart J Anderson, Jonas Bergh, David Dodwell, Marianne Ewertz, Richard Gray, Reshma Jagsi, Lori Pierce, Kathleen I Pritchard, Sandra Swain, Zhe Wang, Yaochen Wang, Tim Whelan, Richard Peto, Paul McGale
Purpose Radiotherapy reduces the absolute risk of breast cancer mortality by a few percentage points in suitable women but can cause a second cancer or heart disease decades later. We estimated the absolute long-term risks of modern breast cancer radiotherapy. Methods First, a systematic literature review was performed of lung and heart doses in breast cancer regimens published during 2010 to 2015. Second, individual patient data meta-analyses of 40,781 women randomly assigned to breast cancer radiotherapy versus no radiotherapy in 75 trials yielded rate ratios (RRs) for second primary cancers and cause-specific mortality and excess RRs (ERRs) per Gy for incident lung cancer and cardiac mortality...
March 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28315012/chlorinated-biphenyls-effect-on-estrogen-related-receptor-expression-steroid-secretion-mitochondria-ultrastructure-but-not-on-mitochondrial-membrane-potential-in-leydig-cells
#9
Agnieszka Milon, Malgorzata Opydo-Chanek, Waclaw Tworzydlo, Jerzy Galas, Laura Pardyak, Alicja Kaminska, Anna Ptak, Malgorzata Kotula-Balak
To characterize polychlorinated biphenyls (PCBs) action on Leydig cells, PCBs congeners, low-chlorinated (delor 103; d103) and high-chlorinated ones (delor 106; d106) were selected. The cells were treated according to PCBs dose (d103 or d106 0.2 ng/ml in low doses:, or 2 ng/ml in high doses) and type (d103 + d106 in low doses or 103 + 106 in high doses). After 24 h treatment with PCBs, a distinct increase in estrogen-related receptors (ERRs type α, β and γ) expression was revealed. However, the dose- and type-dependent PCBs effect was mostly exerted on ERRα expression...
March 18, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28260683/endocrine-related-genes-are-altered-by-antibacterial-agent-triclosan-in-chironomus-riparius-aquatic-larvae
#10
Pedro Martínez-Paz, Mónica Morales, Josune Urien, Gloria Morcillo, José Luis Martínez-Guitarte
Triclosan (TCS) is an antibacterial agent widely used in personal care and consumer products and commonly detected in aquatic ecosystems. In the present study, the effects of TCS on endocrine-related genes of Chironomus riparius aquatic larvae, a reference organism in aquatic toxicology, were evaluated. Twenty-four-hour in vivo exposures at 10µg/L, 100µg/L, and 1000µg/L TCS revealed that this xenobiotic was able to alter the transcriptional activity of ecdysone receptor gene (EcR), the ultraspiracle gene (usp), the estrogen-related receptor gene (ERR), and the E74 early ecdysone-inducible gene, as measured by real-time RT-PCR...
March 2, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28252622/-risk-of-death-from-circulatory-diseases-in-a-cohort-of-patients-exposed-to-chronic-radiation
#11
T V Azizova, E S Grigoryeva, N Hunter, M V Pikulina, M B Moseeva
AIM: To assess mortality from circulatory diseases (CD) in a cohort of workers exposed occupationally to chronic radiation in relation to external and internal exposure, by taking into account known non-radiation risk factors (RFs), such as smoking (including smoking index), alcohol consumption, hypertension, and body mass index. SUBJECTS AND METHODS: Mortality from CD (ICD-10: I00 - I99) was studied in a cohort of 22,377 nuclear power plant («Mayak» Production Association) workers exposed occupationally to chronic radiation...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28212414/decline-in-infection-related-morbidities-following-drug-mediated-reductions-in-the-intensity-of-schistosoma-infection-a-systematic-review-and-meta-analysis
#12
Gisele Andrade, David J Bertsch, Andrea Gazzinelli, Charles H King
BACKGROUND: Since 1984, WHO has endorsed drug treatment to reduce Schistosoma infection and its consequent morbidity. Cross-sectional studies suggest pre-treatment correlation between infection intensity and risk for Schistosoma-related pathology. However, evidence also suggests that post-treatment reduction in intensity may not reverse morbidity because some morbidities occur at all levels of infection, and some reflect permanent tissue damage. The aim of this project was to systematically review evidence on drug-based control of schistosomiasis and to develop a quantitative estimate of the impact of post-treatment reductions in infection intensity on prevalence of infection-associated morbidity...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28209382/err%C3%AE-a-junior-orphan-with-a-senior-role-in-metabolism
#13
REVIEW
Jagannath Misra, Don-Kyu Kim, Hueng-Sik Choi
Estrogen-related receptor (ERR)γ is an orphan nuclear hormone receptor that belongs to the ERR subfamily of transcription factors. No endogenous ligand has been identified to date. ERRγ possesses ligand-independent transcriptional activity that is regulated by co-regulator interactions, and post-translational modifications (PTMs). Recent data from animal models have established ERRγ as a crucial mediator of multiple endocrine and metabolic signals. ERRγ plays important roles in pathological conditions such as insulin resistance, alcoholic liver injury, and cardiac hypertrophy, and controls energy metabolism in the heart, skeletal muscle, and pancreatic β cells...
February 13, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28199274/seven-step-pathway-for-preventing-errors-in-healthcare
#14
Rebin Zikhani
The Institute of Medicine's 1999 report To Err Is Human shed light on the grave consequences of medical errors and led to a substantial increase in awareness in the federal government and private sector regarding medical errors. In addition, the literature contains myriad solutions, strategies, and recommendations for dealing with this problem; however, because of their complexity and inflexibility, most cannot be implemented and are inapplicable on an individual level. This essay proposes a seven-step pathway for preventing errors-a flexible, feasible, and organized method that can be used by healthcare administrators and providers...
July 2016: Journal of Healthcare Management / American College of Healthcare Executives
https://www.readbyqxmd.com/read/28196562/deference-to-expertise-making-care-safer
#15
Gwendolyn Cherese Godlock, Rebecca Suzie Miltner, Dori Taylor Sullivan
Since the seminal report by the Institute of Medicine, To Err Is Human, was issued in 1999, significant efforts across the health care industry have been launched to improve the safety and quality of patient care. Recent advances in the safety of health care delivery have included commitment to creating high-reliability organizations (HROs) to enhance existing quality improvement activities. This article will explore key elements of the HRO concept of deference to expertise, describe the structural elements that support nurses and other personnel in speaking up, and provide examples of practical, evidence-based tools to help organizations support and encourage all members of the health care team to speak up...
February 1, 2017: Creative Nursing
https://www.readbyqxmd.com/read/28193497/i-act-therefore-i-err-eeg-correlates-of-success-and-failure-in-a-virtual-throwing-game
#16
Boris Yazmir, Miriam Reiner
What are the neural responses to success and failure in a throwing task? To answer this question, we compared Event Related Potentials (ERPs) correlated with success and failure during a highly-ecological-virtual game. Participants played a tennis-like game in an immersive 3D virtual world, against a computer player, by controlling a virtual tennis racket with a force feedback robotic arm. Results showed that success, i.e. hitting the target, and failure, by missing the target, evoked ERP's that differ by peak, latencies, scalp signal distributions, sLORETA source estimation, and time-frequency patterns...
February 11, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28185075/paediatric-patient-safety-and-the-need-for-aviation-black-box-thinking-to-learn-from-and-prevent-medication-errors
#17
Chi Huynh, Ian C K Wong, Jo Correa-West, David Terry, Suzanne McCarthy
Since the publication of To Err Is Human: Building a Safer Health System in 1999, there has been much research conducted into the epidemiology, nature and causes of medication errors in children, from prescribing and supply to administration. It is reassuring to see growing evidence of improving medication safety in children; however, based on media reports, it can be seen that serious and fatal medication errors still occur. This critical opinion article examines the problem of medication errors in children and provides recommendations for research, training of healthcare professionals and a culture shift towards dealing with medication errors...
April 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28170314/heart-disease-mortality-in-the-life-span-study-1950-2008
#18
Ikuno Takahashi, Yukiko Shimizu, Eric J Grant, John Cologne, Kotaro Ozasa, Kazunori Kodama
Based on the findings from the Radiation Effects Research Foundation's studies of the cohort of Japanese atomic bomb survivors, it has been reported that total-body irradiation at 0.5-1.0 Gy could be responsible for increased rates of mortality from broad-based categories of cardiovascular disease (CVD), i.e., stroke and heart disease. However, CVD consists of various subtypes that have potentially different radiation dose responses, as well as subtype-specific risks that have not been fully evaluated. Potential problems with changes in the coding rules for the International Classification of Diseases (ICD) and the underlying causes and trends in CVD mortality in Japan also need to be considered...
February 7, 2017: Radiation Research
https://www.readbyqxmd.com/read/28161688/exploring-health-education-with-midwives-as-perceived-by-pregnant-women-in-primary-care-a-qualitative-study-in-the-netherlands
#19
Ruth Baron, Querine Heesterbeek, Judith Manniën, Eileen K Hutton, Johannes Brug, Marjan J Westerman
OBJECTIVE: to explore the experiences, wishes and needs of pregnant women with respect to health education in primary care with midwives. DESIGN: qualitative semi-structured interview study, using thematic analysis and constant comparison. SETTING AND PARTICIPANTS: twenty-two pregnant women in midwife-led primary care, varying in socio-demographic characteristics, weeks of pregnancy and region of residence in the Netherlands, were interviewed between April and December 2013...
January 21, 2017: Midwifery
https://www.readbyqxmd.com/read/28126024/efficacy-and-safety-of-praziquantel-40%C3%A2-mg-kg-in-preschool-aged-and-school-aged-children-a-meta-analysis
#20
REVIEW
Julien Zwang, Piero Olliaro
BACKGROUND: Children carry most of the schistosomiasis burden. While school-aged children are the principal target group of preventive chemotherapy with praziquantel, limited information on efficacy and safety exists for preschool-aged children. METHODS: Here, we conducted a meta-analysis of clinical trials of praziquantel for treating children with any form of schistosomiasis. Efficacy was reported as cure rate (CR) and egg reduction rates (ERR); statistical corrections were applied based on methodological disparities across trials to derive the predicted geometrical mean ERR (pERRgm)...
January 26, 2017: Parasites & Vectors
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