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https://www.readbyqxmd.com/read/27911011/fragment-based-design-synthesis-and-biological-evaluation-of-1-substituted-indole-2-carboxylic-acids-as-selective-mcl-1-inhibitors
#1
Ziqian Wang, Wenjie Xu, Ting Song, Zongwei Guo, Lu Liu, Yudan Fan, Anhui Wang, Zhichao Zhang
Based on a known selective Mcl-1 inhibitor, 6-chloro-3-(3-(4-chloro-3,5-dimethylphenoxy)propyl)-1H-indole-2-carboxylic acid, we applied a fragment-based approach to obtain new molecules that extended into the p1 pocket of the BH3 groove and then exhibited binding selectivity for the Mcl-1 over the Bcl-2 protein. After we deconstructed the 1H-indole-2-carboxylic acid from the parental molecule, a benzenesulfonyl was substituted at the 1-position to adopt a geometry preferred for accessing the p1 pocket according to the binding mode of the parental molecule identified by X-ray crystallography...
December 2, 2016: Archiv der Pharmazie
https://www.readbyqxmd.com/read/27909453/the-effect-of-high-frequency-repetitive-transcranial-magnetic-stimulation-on-occupational-stress-among-health-care-workers-a-pilot-study
#2
Young In Kim, Sun Mi Kim, Hyungjin Kim, Doug Hyun Han
OBJECTIVE: Repetitive transcranial magnetic stimulation (rTMS) was approved by the Food and Drug Administration to alleviate symptoms of treatment-resistant depression. This study aimed to evaluate the effectiveness of rTMS treatment on alleviating occupational stress by evaluating clinical symptoms and quantitative electroencephalography (QEEG). METHODS: Twenty-four health care workers were randomized to receive 12 sessions of active or sham rTMS delivered to the left dorsolateral prefrontal cortex (DLPFC)...
November 2016: Psychiatry Investigation
https://www.readbyqxmd.com/read/27909446/functional-toxicogenomic-profiling-expands-insight-into-modulators-of-formaldehyde-toxicity-in-yeast
#3
Matthew North, Brandon D Gaytán, Carlos Romero, Vanessa Y De La Rosa, Alex Loguinov, Martyn T Smith, Luoping Zhang, Chris D Vulpe
Formaldehyde (FA) is a commercially important chemical with numerous and diverse uses. Accordingly, occupational and environmental exposure to FA is prevalent worldwide. Various adverse effects, including nasopharyngeal, sinonasal, and lymphohematopoietic cancers, have been linked to FA exposure, prompting designation of FA as a human carcinogen by U.S. and international scientific entities. Although the mechanism(s) of FA toxicity have been well studied, additional insight is needed in regard to the genetic requirements for FA tolerance...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27909379/-it-is-an-eye-opener-that-there-is-a-relationship-between-rehabilitation-and-hiv-perspectives-of-physiotherapists-and-occupational-therapists-in-kenya-and-zambia-on-the-role-of-rehabilitation-with-adults-and-children-living-with-hiv
#4
Stephanie Nixon, Cathy Cameron, Margaret Mweshi, Esther Munalula Nkandu, Carlius Okidi, Stephen Tattle, Tammy Yates
Purpose: To present the perspectives of rehabilitation providers-physiotherapists and occupational therapists-in Kenya and Zambia on the role of rehabilitation in the care of adults and children living with HIV. Methods: This qualitative, interpretivist study was part of a broader project to adapt a Canadian e-module on HIV-related disability for rehabilitation providers in Sub-Saharan Africa (SSA). Focus groups, demographic questionnaires, and knowledge-attitude-belief surveys were conducted with rehabilitation providers in Kenya and Zambia...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27909155/extrapolation-techniques-evaluating-24-hours-of-average-electromagnetic-field-emitted-by-radio-base-station-installations-spectrum-analyzer-measurements-of-lte-and-umts-signals
#5
Stefano Mossetti, Daniela de Bartolo, Ivan Veronese, Marie Claire Cantone, Cristina Cosenza, Elisa Nava
International and national organizations have formulated guidelines establishing limits for occupational and residential electromagnetic field (EMF) exposure at high-frequency fields. Italian legislation fixed 20 V/m as a limit for public protection from exposure to EMFs in the frequency range 0.1 MHz-3 GHz and 6 V/m as a reference level. Recently, the law was changed and the reference level must now be evaluated as the 24-hour average value, instead of the previous highest 6 minutes in a day. The law refers to a technical guide (CEI 211-7/E published in 2013) for the extrapolation techniques that public authorities have to use when assessing exposure for compliance with limits...
December 1, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27909012/the-effect-of-job-loss-on-depressive-symptoms-the-results-from-the-korean-welfare-panel-study-2007-2013
#6
Hyo Jung Yoon, Jae Woo Choi, Suk-Young Jang, Sang Ah Lee, Eun-Cheol Park
BACKGROUND: Unemployment is closely associated with depressive symptoms. We conducted analysis to find whether the job loss increased the risk of depressive symptoms according to job status, occupation and tenure. METHODS: Data were collected from Korean Welfare Panel Study (KOWEPS) from 2007 to 2013. To measure the increase in depressive score, we selected respondents who answered for at least 2 years of continuous waves. We performed a longitudinal analysis by generalized estimating equation (GEE) method with a total of 19,399 cases...
November 30, 2016: International Journal of Social Psychiatry
https://www.readbyqxmd.com/read/27908548/dietary-sodium-and-potassium-intakes-data-from-urban-and-rural-areas
#7
Carmelle Mizéhoun-Adissoda, Dismand Houinato, Corine Houehanou, Thierry Chianea, François Dalmay, André Bigot, Victor Aboyans, Pierre-Marie Preux, Pascal Bovet, Jean-Claude Desport
OBJECTIVES: Hypertension is highly prevalent in West African populations, but little data is available on salt and potassium intake in these populations. We assumed in this study that sodium and potassium intake might be high and low, respectively, in the Beninese population in view of the emerging nutritional transition. The aim of this study was to estimate dietary sodium and potassium intakes based on 24-h urine collections. METHODS: We selected 420 individuals (ages 25-64 y), representative of the population, from urban and rural areas in Benin...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27908426/environmental-exposures-of-trace-elements-assessed-using-keratinized-matrices-from-patients-with-chronic-kidney-diseases-of-uncertain-etiology-ckdu-in-sri-lanka
#8
Saranga Diyabalanage, Sanjeewani Fonseka, D M S N B Dasanayake, Rohana Chandrajith
An alarming increase in chronic kidney disease with unknown etiology (CKDu) has recently been reported in several provinces in Sri Lanka and chronic exposures to toxic trace elements were blamed for the etiology of this disease. Keratinized matrices such as hair and nails were investigated to determine the possible link between CKDu and toxic element exposures. Elements Li, B, Al, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Sr, Mo, Cd, Ba, Hg and Pb of hair and nails of patients and age that matched healthy controls were determined with Inductively Coupled Plasma Mass Spectrometry (ICP-MS)...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27906909/asthma-among-employed-adults-by-industry-and-occupation-21-states-2013
#9
Katelynn E Dodd, Jacek M Mazurek
Workers in various industries and occupations are at risk for work-related asthma* (1). Data from the 2006-2007 adult Behavioral Risk Factor Surveillance System (BRFSS) Asthma Call-back Survey (ACBS), an in-depth asthma survey conducted with respondents who report an asthma diagnosis, from 33 states indicated that up to 48% of adult current asthma might be related to work and could therefore potentially be prevented (2). Identification of the industries and occupations with increased prevalence of asthma might inform work-related asthma intervention and prevention efforts...
December 2, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27906856/radiation-exposure-and-lung-disease-in-today-s-nuclear-world
#10
Steven D Deas, Nikhil Huprikar, Andrew Skabelund
PURPOSE OF REVIEW: Ionizing radiation poses important health risks. The per capita annual dose rate has increased in the United States and there is increasing concern for the risks posed by low-dose occupational exposure among workers in nuclear industries and healthcare. Recent nuclear accidents and concern for terrorism have heightened concern for catastrophic, high-dose ionizing radiation exposure. This review will highlight recent research into the risks to lung health posed by ionizing radiation exposure and into potential treatments...
November 30, 2016: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/27906789/radon-and-thoron-in-air-occupational-exposure-study-within-selected-wine-cellars-of-the-western-cape-south-africa-and-associated-annual-effective-doses
#11
R Botha, R T Newman, R Lindsay, P P Maleka
This is the first known study of exposure of Rn (radon) and secondarily Rn (thoron) in-air activity concentrations assessed within nine selected wine cellars in four wine districts of the Western Cape (South Africa) and the associated annual occupational effective doses. E-PERM electret ion chambers (EIC) and RAD-7 α-detectors were used to perform these measurements. The radon in-air levels ranged from 12 ± 4 Bq m to 770 ± 40 Bq m within the nine selected wine cellars. Eight of the nine wine cellars (excluding results from cellar w-6) had a median radon in-air activity concentration of 48 ± 8 Bq m...
January 2017: Health Physics
https://www.readbyqxmd.com/read/27906533/walking-working-surfaces-and-personal-protective-equipment-fall-protection-systems-final-rule
#12
(no author information available yet)
OSHA is revising and updating its general industry standards on walking-working surfaces to prevent and reduce workplace slips, trips, and falls, as well as other injuries and fatalities associated with walking-working surface hazards. The final rule includes revised and new provisions addressing, for example, fixed ladders; rope descent systems; fall protection systems and criteria, including personal fall protection systems; and training on fall hazards and fall protection systems. In addition, the final rule adds requirements on the design, performance, and use of personal fall protection systems...
November 18, 2016: Federal Register
https://www.readbyqxmd.com/read/27906486/the-fractional-occupation-number-weighted-density-as-a-versatile-analysis-tool-for-molecules-with-a-complicated-electronic-structure
#13
Christoph Alexander Bauer, Andreas Hansen, Stefan Grimme
The fractional occupation number weighted density (FOD) analysis is explored as a general theoretical diagnostic for complicated electronic structures. Its main feature is to provide robustly and fast the information where 'hot' (strongly correlated and chemically active) electrons are localized in a molecule. We demonstrate its usage in four different prototypical applications: (i) As a new and fast measure for the biradical character of polycyclic aromatic hydrocarbons, (ii) for the selection of active orbital spaces in multiconfigurational or complete active space self consistent field (MCSCF/CASSCF) treatments, (iii) as a possibility to consistently describe molecular energy landscapes in regions with varying biradical character as exemplified by partial double bond torsions, and (iv) as a powerful visualization method for static electron correlation effects in large biomolecules in connection with an efficient semi-empirical tight-binding molecular orbital scheme...
December 1, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27906002/hiv-1-genetic-diversity-and-its-distribution-characteristics-among-newly-diagnosed-hiv-1-individuals-in-hebei-province-china
#14
Xinli Lu, Cuiying Zhao, Wei Wang, Chenxi Nie, Yuqi Zhang, Hongru Zhao, Suliang Chen, Ze Cui
BACKGROUND: Since the first HIV-1 case in 1989, Hebei province has presented a clearly rising trend of HIV-1 prevalence, and HIV-1 genetic diversity has become the vital barrier to HIV prevention and control in this area. To obtain detailed information of HIV-1 spread in different populations and in different areas of Hebei, a cross-sectional HIV-1 molecular epidemiological investigation was performed across the province. METHODS: Blood samples of 154 newly diagnosed HIV-1 individuals were collected from ten prefectures in Hebei using stratified sampling...
January 19, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27905917/are-distinctive-risk-indicators-associated-with-different-stages-of-caries-in-children-a-cross-sectional-study
#15
Maria Grazia Cagetti, Giovanna Congiu, Fabio Cocco, Gianfranco Meloni, Silvana Sale, Guglielmo Campus
BACKGROUND: Actual caries figures emphasize the need to identify the risk indicators involved in the disease's development. The hypothesis that certain risk indicators might affect the dynamic evolution of the caries process was assessed; to clarify this premise, a cross-sectional survey was performed in school children. METHODS: A total of 390 subjects aged 6-8 years old were randomly selected. Caries was assessed, and the subjects were stratified as follows: i) highest caries score; ii) most prevalent caries score; and iii) number of affected teeth...
December 1, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27905904/evaluating-the-implementation-process-of-a-participatory-organizational-level-occupational-health-intervention-in-schools
#16
Roosmarijn M C Schelvis, Noortje M Wiezer, Birgitte M Blatter, Joost A G M van Genabeek, Karen M Oude Hengel, Ernst T Bohlmeijer, Allard J van der Beek
BACKGROUND: The importance of process evaluations in examining how and why interventions are (un) successful is increasingly recognized. Process evaluations mainly studied the implementation process and the quality of the implementation (fidelity). However, in adopting this approach for participatory organizational level occupational health interventions, important aspects such as context and participants perceptions are missing. Our objective was to systematically describe the implementation process of a participatory organizational level occupational health intervention aimed at reducing work stress and increasing vitality in two schools by applying a framework that covers aspects of the intervention and its implementation as well as the context and participants perceptions...
December 1, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27905825/saliva-volatile-biomarkers-and-profiles
#17
Maciej Milanowski, Paweł Pomastowski, Tomasz Ligor, Bogusław Buszewski
Saliva is an aqueous fluid found in the oral cavity playing fundamental role in the preservation and maintenance of oral health. Apart from higher-molecular-weight constituents it contains volatile organic compounds (VOCs) that may origin from such sources as blood or be result of bacterial metabolism. They can also reach the oral fluid through dissolving of volatiles from breath and consumed foods. Some of them may serve as biomarkers of various diseases, such as dimethyl disulfide (halitosis), pyridine (periodontal disease) and trimethylamine (trimethylaminuria) or occupational exposure...
December 1, 2016: Critical Reviews in Analytical Chemistry
https://www.readbyqxmd.com/read/27905625/-epidemiological-description-of-human-and-animal-hydatidosis-in-los-r%C3%A3-os-region-1999-2009
#18
Gerardo Acosta-Jamett, Reinaldo Vargas, Santiago Ernst
OBJECTIVE: To determine the prevalence of hydatidosis in humans and livestock in the Los Ríos region during the years 1999-2009. METHODS: A retrospective survey of all discharge records of patients undergoing removal of cysts produced by Echinococcus granulosus during the period 1999-2009 in the Hospital Clinico Regional of Valdivia was conducted. With the information provided incidence rate, mortality rate and fatality rate were calculated. Additionally, with the aim of determining prevalence of hydatidosis in livestock (i...
August 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/27905562/occurrence-temporal-trends-and-half-lives-of-perfluoroalkyl-acids-pfaas-in-occupational-workers-in-china
#19
Jianjie Fu, Yan Gao, Lin Cui, Thanh Wang, Yong Liang, Guangbo Qu, Bo Yuan, Yawei Wang, Aiqian Zhang, Guibin Jiang
Paired serum and urine samples were collected from workers in a fluorochemical plant from 2008 to 2012 (n = 302) to investigate the level, temporal trends, and half-lives of PFAAs in workers of a fluorochemical plant. High levels of perfluorohexane sulfonate (PFHxS), perfluorooctanoic acid (PFOA), and perfluorooctanesulfonate (PFOS) were detected in serum with median concentrations of 764, 427, and 1725 ng mL(-1), respectively. The half-lives of PFAAs in workers were estimated by daily clearance rates and annual decline rates of PFAAs in serum by a first-order model...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905189/occupational-violence-and-aggression-experienced-by-nursing-and-caring-professionals
#20
Tracey Shea, Cathy Sheehan, Ross Donohue, Brian Cooper, Helen De Cieri
PURPOSE: To examine the extent and source of occupational violence and aggression (OVA) experienced by nursing and caring professionals. This study also examines the relative contributions of demographic characteristics and workplace and individual safety factors in predicting OVA. DESIGN: A cross-sectional study design with data collected using an online survey of employees in the nursing and caring professions in Victoria, Australia. METHODS: Survey data collected from 4,891 members of the Australian Nursing and Midwifery Federation (Victorian branch) were analyzed using logistic regression...
November 30, 2016: Journal of Nursing Scholarship
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