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https://www.readbyqxmd.com/read/28642494/proteome-profiling-reveals-novel-biomarkers-to-identify-complicated-parapneumonic-effusions
#1
Kuo-An Wu, Chih-Ching Wu, Chi-De Chen, Chi-Ming Chu, Li-Jane Shih, Yu-Ching Liu, Chih-Liang Wang, Hsi-Hsien Lin, Chia-Yu Yang
Patients with pneumonia and parapneumonic effusion (PPE) have elevated mortality and a poor prognosis. The aim of this study was to discover novel biomarkers to help distinguish between uncomplicated PPE (UPPE) and complicated PPE (CPPE). Using an iTRAQ-based quantitative proteomics, we identified 766 proteins in pleural effusions from PPE patients. In total, 45 of these proteins were quantified as upregulated proteins in CPPE. Four novel upregulated candidates (BPI, NGAL, AZU1, and calprotectin) were selected and further verified using enzyme-linked immunosorbent assays (ELISAs) on 220 patients with pleural effusions due to different causes...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28636458/contamination-of-firefighter-personal-protective-equipment-and-skin-and-the-effectiveness-of-decontamination-procedures
#2
Kenneth W Fent, Barbara Alexander, Jennifer Roberts, Shirley Robertson, Christine Toennis, Deborah Sammons, Stephen Bertke, Steve Kerber, Denise Smith, Gavin Horn
Firefighters' skin may be exposed to chemicals via permeation/penetration of combustion byproducts through or around personal protective equipment (PPE) or from the cross-transfer of contaminants on PPE to the skin. Additionally, volatile contaminants can evaporate from PPE following a response and be inhaled by firefighters. Using polycyclic aromatic hydrocarbons (PAHs) and volatile organic compounds (VOCs) as respective markers for non-volatile and volatile substances, we investigated the contamination of firefighters' turnout gear and skin following controlled residential fire responses...
June 21, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28636443/personal-protective-equipment-supply-chain-lessons-learned-from-recent-public-health-emergency-responses
#3
Anita Patel, Maryann M D'Alessandro, Karen J Ireland, W Greg Burel, Elaine B Wencil, Sonja A Rasmussen
Personal protective equipment (PPE) that protects healthcare workers from infection is a critical component of infection control strategies in healthcare settings. During a public health emergency response, protecting healthcare workers from infectious disease is essential, given that they provide clinical care to those who fall ill, have a high risk of exposure, and need to be assured of occupational safety. Like most goods in the United States, the PPE market supply is based on demand. The US PPE supply chain has minimal ability to rapidly surge production, resulting in challenges to meeting large unexpected increases in demand that might occur during a public health emergency...
May 2017: Health Security
https://www.readbyqxmd.com/read/28628053/heart-rate-and-blood-pressure-responses-to-gear-weight-under-a-controlled-workload
#4
Cassandra C Derella, Kristin R Aichele, Joyann E Oakman, Christina M Cromwell, Jessica A Hill, Lauren N Chavis, Avery N Perez, Allyson K Getty, Tia R Wisdo, Deborah L Feairheller
OBJECTIVE: To compare the effects of personal protective equipment (PPE) weight on blood pressure (BP) and heart rate (HR), between volunteer firefighters (FF) and athletes. METHODS: Athletes and FF were matched by body size and came to the lab twice for two treadmill tests. The "Regular" test was completed in normal fitness clothing, and PPE test was completed in full structural PPE with monitoring of HR assessment every minute and BP each stage. RESULTS: In the FF cohort, all submaximal HR and BP levels were different...
April 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28609175/center-for-the-polyurethanes-industry-summary-of-unpublished-industrial-hygiene-studies-related-to-the-evaluation-of-emissions-of-spray-polyurethane-foam-insulation
#5
Richard D Wood
Spray polyurethane foam (SPF) insulation is used as thermal insulation for residential and commercial buildings. It has many advantages over other forms insulation; however, concerns have been raised related to chemical emissions during and after application. The American Chemistry Council's (ACC's) Center for the Polyurethanes Industry (CPI) has gathered previously unpublished industrial hygiene air sampling studies submitted by member companies that were completed during an eight year period from 2007 to 2014...
June 13, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28606192/assessment-of-healthcare-worker-protocol-deviations-and-self-contamination-during-personal-protective-equipment-donning-and-doffing
#6
Jennie H Kwon, Carey-Ann D Burnham, Kimberly A Reske, Stephen Y Liang, Tiffany Hink, Meghan A Wallace, Angela Shupe, Sondra Seiler, Candice Cass, Victoria J Fraser, Erik R Dubberke
OBJECTIVE To evaluate healthcare worker (HCW) risk of self-contamination when donning and doffing personal protective equipment (PPE) using fluorescence and MS2 bacteriophage. DESIGN Prospective pilot study. SETTING Tertiary-care hospital. PARTICIPANTS A total of 36 HCWs were included in this study: 18 donned/doffed contact precaution (CP) PPE and 18 donned/doffed Ebola virus disease (EVD) PPE. INTERVENTIONS HCWs donned PPE according to standard protocols. Fluorescent liquid and MS2 bacteriophage were applied to HCWs...
June 13, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28605716/tuning-the-optical-properties-of-poly-p-phenylene-ethynylene-nanoparticles-as-bio-imaging-probes-by-side-chain-functionalization
#7
Lien D'Olieslaeger, Yasmine Braeken, Srujan Cheruku, Joeri Smits, Marcel Ameloot, Dirk Vanderzande, Wouter Maes, Anitha Ethirajan
Conjugated polymers are versatile bio-imaging probes as their optical properties can be readily fine-tuned. In this manuscript, fluorescent conjugated polymer nanoparticles are fabricated using three different poly(p-phenylene ethynylene) (PPE) derivatives. The polymers have the same backbone but carry different side chains, i.e. regular octyloxy substituents, half of the octyloxy chains azide terminated, or azide functionalized tetraethylene glycol (TEG) moieties. The azide groups are specifically chosen to allow coupling of (bio)molecules to the surface of the particles using straightforward azide-alkyne click reactions, enabling different bioconjugation and targeting strategies...
May 23, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28601946/clinical-management-of-patients-with-ebola-virus-disease-in-high-resource-settings
#8
G Marshall Lyon, Aneesh K Mehta, Bruce S Ribner
Like most viral illnesses in humans, supportive care of the patient is the mainstay of clinical care for patients with Ebola virus disease (EVD). The goal is to maintain and sustain the patient until a specific immune response develops and clears the viral infection. Clearly, antiviral therapy may eventually help speed recovery, but supportive care will likely always be the centerpiece of care of the patient with EVD. While terrible in terms of human suffering and loss, the EVD outbreak of 2014-2016 provided an unheralded opportunity to advance our understanding in the care of patients (WHO 2016)...
June 11, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28592799/whib4-regulates-the-pe-ppe-gene-family-and-is-essential-for-virulence-of-mycobacterium-marinum
#9
Jing Wu, Huan-Wei Ru, Zhi-Hao Xiang, Jun Jiang, Yu-Chen Wang, Lu Zhang, Jun Liu
During the course of infection, pathogenic mycobacteria including Mycobacterium tuberculosis (M. tb) encounter host environments of variable oxygen tension, ranging from the hypoxic center of granulomas to the most oxygenated region in the lung cavities. Mycobacterial responses to changes of oxygen tension are critically related to infection outcomes, such as latency and reactivation. WhiB4 is an iron-sulfur containing transcription factor that is highly sensitive to oxygen exposure. In this study, we found that WhiB4 of Mycobacterium marinum (M...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28588978/improving-ebola-infection-prevention-and-control-in-primary-healthcare-facilities-in-sierra-leone-a-single-group-pretest-post-test-mixed-methods-study
#10
Ruwan Ratnayake, Lara S Ho, Rashid Ansumana, Hannah Brown, Matthias Borchert, Laura Miller, Thomas Kratz, Shannon A McMahon, Foday Sahr
BACKGROUND: Accomplishing infection prevention and control (IPC) in health facilities in Sub-Saharan Africa is challenging. Owing to poor IPC, healthcare workers (HCWs) were frequently infected during Sierra Leone's Ebola epidemic. In late 2014, IPC was rapidly and nationally scaled up. We carried out workshops in sampled facilities to further improve adherence to IPC. We investigated HCW experiences and observed practice gaps, before and after the workshops. METHODS: We conducted an uncontrolled, before and after, mixed-methods study in eight health facilities in Bo and Kenema Districts during December 2014 and January 2015...
November 2016: BMJ Global Health
https://www.readbyqxmd.com/read/28584576/pear-pomace-ethanol-extract-improves-insulin-resistance-through-enhancement-of-insulin-signaling-pathway-without-lipid-accumulation
#11
Mi-Kyoung You, Hwa-Jin Kim, Jin Rhyu, Hyeon-A Kim
BACKGROUND/OBJECTIVES: The anti-diabetic activity of pear through inhibition of α-glucosidase has been demonstrated. However, little has been reported about the effect of pear on insulin signaling pathway in obesity. The aims of this study are to establish pear pomace 50% ethanol extract (PPE)-induced improvement of insulin sensitivity and characterize its action mechanism in 3T3-L1 cells and high-fat diet (HFD)-fed C57BL/6 mice. MATERIALS/METHODS: Lipid accumulation, monocyte chemoattractant protein-1 (MCP-1) secretion and glucose uptake were measure in 3T3-L1 cells...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28573636/ebola-virus-field-sample-collection
#12
Brian R Amman, Amy J Schuh, Jonathan S Towner
Sampling wildlife for ebolaviruses presents the researcher with a multitude of challenges, foremost of which is safety. Throughout the methods described in this chapter, personal safety and personal protective equipment (PPE) will be reiterated for each methodology. The methods described here are those used to successfully detect and isolate marburgviruses from their natural reservoir, Rousettus aegyptiacus, and therefore should be applicable for diagnostic testing for ebolaviruses via RT-PCR, ELISA, and IHC techniques...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28571250/impact-of-dental-disorders-and-its-influence-on-self-esteem-levels-among-adolescents
#13
Puneet Kaur, Simarpreet Singh, Anmol Mathur, Diljot Kaur Makkar, Vikram Pal Aggarwal, Manu Batra, Anshika Sharma, Nikita Goyal
INTRODUCTION: Self esteem is more of a psychological concept therefore, even the common dental disorders like dental trauma, tooth loss and untreated carious lesions may affect the self esteem thus influencing the quality of life. AIM: This study aims to assess the impact of dental disorders among the adolescents on their self esteem level. MATERIALS AND METHODS: The present cross-sectional study was conducted among 10 to 17 years adolescents...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28560451/foxo3a-plays-a-key-role-in-the-protective-effects-of-pomegranate-peel-extract-against-amikacin-induced-ototoxicity
#14
Shuangyue Liu, Xiao Zhang, Meiling Sun, Tao Xu, Aimei Wang
The use of amikacin (AMK) in present treatment strategies results in severe ototoxicity; however, the underlying molecular mechanisms of this toxicity remain unclear. In this study, we investigated the effectiveness of orally administered pomegranate peel extract (PPE), a strong antioxidant, as a protective agent against AMK-induced ototoxicity. To this end, PPE was orally administered to adult BALB/c mice for 5 days, and the mice were then concurrently treated with AMK (500 mg/kg/day for 15 consecutive days)...
May 26, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28538775/a-murine-model-of-elastase-and-cigarette-smoke-induced-emphysema
#15
Rubia Rodrigues, Clarice Rosa Olivo, Juliana Dias Lourenço, Alyne Riane, Daniela Aparecida de Brito Cervilha, Juliana Tiyaki Ito, Milton de Arruda Martins, Fernanda Degobbi Tenório Quirino Dos Santos Lopes
Objective: To describe a murine model of emphysema induced by a combination of exposure to cigarette smoke (CS) and instillation of porcine pancreatic elastase (PPE). Methods: A total of 38 C57BL/6 mice were randomly divided into four groups: control (one intranasal instillation of 0.9% saline solution); PPE (two intranasal instillations of PPE); CS (CS exposure for 60 days); and CS + PPE (two intranasal instillations of PPE + CS exposure for 60 days). At the end of the experimental protocol, all animals were anesthetized and tracheostomized for calculation of respiratory mechanics parameters...
March 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/28534139/pulmonary-emphysema-cross-linking-with-pulmonary-fibrosis-and-vice-versa-a-non-usual-experimental-intervention-with-elastase-and-bleomycin
#16
Isabella Cattani-Cavalieri, Adriane Graça Reis, Emanuel Kennedy-Feitosa, Vanessa Pinho-Ribeiro, Manuella Lanzetti, Lycia Brito Gitirana, Bruna Romana-Souza, Luis Cristóvão Porto, Samuel Santos Valença
Elastase (PPE) is usually used for emphysema models, whereas bleomycin (BLM) is used for fibrosis models. The aim of this study was to investigate the effect of BLM in PPE-induced emphysema, as well as the effect of PPE in BLM-induced fibrosis. C57BL/6 mice were divided into five groups: control, PPE, BLM, PPE + BLM, and BLM + PPE. Mice received saline, PPE (3 U/mouse), or BLM (20 U/kg) by intranasal instillation. Mice from the BLM and BLM + PPE groups received BLM on day 0 and saline or PPE on day 21, respectively...
May 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28515649/effect-of-persimmon-peel-diospyros-kaki-thumb-extracts-on-lipid-and-protein-oxidation-of-raw-ground-pork-during-refrigerated-storage
#17
Ju-Hui Choe, Hack-Youn Kim, Cheon-Jei Kim
The inhibition effect of persimmon peel extracts (PPE) (0.05(PPE-0.05), 0.1(PPE-0.1), and 0.2 g(PPE-0.2) per meat sample) on lipid and protein oxidation of pork patties during chilled storage for 12 days were investigated and compared to ascorbic acid (As-0.05) and butylhydroxytoluene (BHT) (BHT-0.01). The meat samples treated with PPE had greater (p<0.05) a* values comparing control in raw pork patties meat from day 4 of storage. The addition of PPE at all concentrations on meat samples effectively inhibited the formation of oxidation products as shown by decreasing conjugated dienes (CD), peroxide values (POVs), thiobarbituric acid reaction substances (TBARS), and carbonyl content during chilled storage for 12 d...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28511344/anti-inflammatory-effects-of-trans-anethole-in-a-mouse-model-of-chronic-obstructive-pulmonary-disease
#18
Ka Young Kim, Hui Su Lee, Geun Hee Seol
Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that is generally characterized by progressive and irreversible airflow obstruction and alveolar destruction. Long-term treatment with current medications has been associated with various adverse effects, indicating a need for alternative approaches for the prevention and treatment of COPD. This study investigated the mechanism underlying the effects of trans-anethole in a mouse model of COPD induced by porcine pancreatic elastase (PPE) and lipopolysaccharide (LPS)...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28510803/occupational-and-life-style-factors-acquired-mutagenicity-in-agric-workers-of-northeastern-brazil
#19
Tatiana Vieira Souza Chaves, Muhammad Torequl Islam, Manoel Odoríco de Moraes, Marcus Vinícius Oliveira Barros de Alencar, Débora Cássia Vieira Gomes, Rodrigo Mendes de Carvalho, Sharbel Weider Maluf, Fabrício Pires de Moura do Amaral, Márcia Fernanda Correia Jardim Paz, Gilberto Santos Cerqueira, Hercília Maria Lins Rolim, João Marcelo de Castro E Sousa, Ana Amélia de Carvalho Melo-Cavalcante, Maria Elisabete Amaral de Moraes
Pesticides are a complex mixture of chemicals used to protect crops from a number of pests and diseases. They have been considered as potential mutagenic agents. This study aims at evaluation of the mutagenic effect of pesticide exposure to agricultural workers through chromosomal aberrations (CA) and micronucleus (MN) assay in peripheral blood lymphocytes and oral mucosal cells, respectively. The exposed group was consisted with 97 farmers, while the control (un-exposed) group consisted of 55. The results showed a significant (p < 0...
May 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28508408/variations-in-status-of-preparation-of-personal-protective-equipment-for-preventing-norovirus-gastroenteritis-in-long-term-care-facilities-for-the-elderly
#20
Saori Fujiki, Tatsuro Ishizaki, Takeo Nakayama
RATIONALE, AIM, AND OBJECTIVES: Residents of long-term care facilities are highly susceptible to norovirus gastroenteritis, and each facility is concerned about the need to implement norovirus infection control. Among control measures, personal protective equipment (PPE), such as disposable gloves and masks, plays a major role in reducing infectious spread. However, the preparation status of PPE in facilities before infection outbreaks has not been reported. The aim was to clarify the implementation status of preventive measures for norovirus gastroenteritis and the cost of preparing the necessary PPE in long-term care facilities...
May 16, 2017: Journal of Evaluation in Clinical Practice
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