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https://www.readbyqxmd.com/read/28821036/chitinosanase-a-fungal-chitosan-hydrolyzing-enzyme-with-a-new-and-unusually-specific-cleavage-pattern
#1
Markus Kohlhoff, Anna Niehues, Jasper Wattjes, Julie Bénéteau, Stefan Cord-Landwehr, Nour Eddine El Gueddari, Frank Bernard, Gustavo R Rivera-Rodriguez, Bruno M Moerschbacher
The biological activities of partially acetylated chitosan oligosaccharides (paCOS) depend on their degree of polymerization (DP), fraction of acetylation (FA), and potentially their pattern of acetylation (PA). Therefore, analyzing structure-function relationships require fully defined paCOS, but these are currently unavailable. A promising approach for obtaining at least partially defined paCOS is using chitosanolytic enzymes. Here we purified and characterized a novel chitosan-hydrolyzing enzyme from the fungus Alternaria alternata possessing an absolute cleavage specificity, yielding fully defined paCOS...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820787/the-relationship-between-parental-and-child-physical-activity-in-a-rural-community
#2
Heath Larsen, Danae Dinkel, Shane Warehime, Kris Berg
This study examined the relationship between parental and child physical activity (PA) in a rural community. Forty-one children and at least 1 parent wore pedometers to measure step count over the course of 4 days. Parents also completed a PA survey assessing parental support for PA, parental enjoyment for PA, perceived importance of PA, and their own PA levels. Parental PA level and mothers' support for PA were moderately associated with their child's PA levels. Thus, future PA promotion efforts could focus on encouraging parents, primarily mothers, to be more active to help improve their child's PA levels...
October 2017: Family & Community Health
https://www.readbyqxmd.com/read/28820736/long-qt-syndrome-diagnosed-in-two-sisters-with-propionic-acidemia-a-case-report
#3
Ensar Duras, Ahmet İrdem, Ozan Özkaya
Propionic acidemia (PA) is a rare autosomal recessive metabolic disorder caused by deficiency of the mitochondrial enzyme propionyl-CoA carboxylase (PCC). This disorder mostly progresses with episodes of metabolic acidosis. Cardiomyopathy is among the cardiac complications known to occur during metabolic decompensation episodes. However, several recent papers emphasized the association of PA and long QT syndrome (LQTS) which may lead to extremely serious and fatal consequences. In this report, we describe two sisters with PA who have prolonged QT duration that were incidentally detected in an outpatient setting...
August 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28820223/a-dual-modal-silver-bumpy-nanoprobe-for-photoacoustic-imaging-and-sers-multiplexed-identification-of-in-vivo-lymph-nodes
#4
Myeong Geun Cha, Seunghyun Lee, Sungjo Park, Homan Kang, Sung Gun Lee, Cheolhwan Jeong, Yoon-Sik Lee, Chulhong Kim, Dae Hong Jeong
Multimodal imaging can provide complementary biomedical information which has huge potential in pre-clinical and clinical imaging and sensing. In this study, we introduce dual modal NIR silver bumpy nanoprobes for in vivo imaging and multiplexed detection of biomolecules by both photoacoustic imaging (PAI) and surface-enhanced Raman scattering (SERS) techniques. For this study, we used silica-coated silver bumpy nanoshell probes (AgNS@SiO2). AgNS@SiO2 have strong NIR-absorption and scattering properties compared with other nanostructures, and therefore, can be a good candidate for photoacoustic (PA) and SERS multimodal imaging...
August 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/28819817/estimation-of-entrance-surface-air-kerma-due-to-diagnostic-x-ray-examinations-of-adult-patients-in-uttarakhand-india-and-establishment-of-local-diagnostic-reference-levels
#5
Satish C Uniyal, Vineet Chaturvedi, Sunil D Sharma, Shailendra Raghuvanshi
It is well established that diagnostic X-ray practices must be optimised to keep patient radiation dose as low as compatible with providing the diagnostic information required. For effective optimisation of diagnostic exposures, the International Commission on Radiological Protection (ICRP) introduced the concept of diagnostic reference levels (DRLs) in 1996. The present study aimed to carry out an extensive dose survey of diagnostic radiography installations in the Uttarakhand region of India to establish local DRL Values for the different diagnostic practices...
August 17, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28819708/in-situ-remediation-of-chlorinated-solvent-contaminated-groundwater-using-zvi-organic-carbon-amendment-in-china-field-pilot-test-and-full-scale-application
#6
Jie Yang, Liang Meng, Lin Guo
Chlorinated solvents in groundwater pose threats to human health and the environment due to their carcinogenesis and bioaccumulation. These problems are often more severe in developing countries such as China. Thus, methods for chlorinated solvent-contaminated groundwater remediation are urgently needed. This study presents a technique of in situ remediation via the direct-push amendment injection that enhances the reductive dechlorination of chlorinated solvents in groundwater in the low-permeability aquifer...
August 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28819200/periostin-binding-dna-aptamer-treatment-attenuates-renal-fibrosis-under-diabetic-conditions
#7
Jae Eun Um, Jung Tak Park, Bo Young Nam, Jung Pyo Lee, Jong Ha Jung, Youndong Kim, Seonghun Kim, Jimin Park, Meiyan Wu, Seung Hyeok Han, Tae-Hyun Yoo, Shin-Wook Kang
Diabetic nephropathy, the major cause of chronic kidney disease, is associated with progressive renal fibrosis. Recently, accumulation of periostin, an extracellular matrix protein, was shown to augment renal fibrosis. Aptamers have higher binding affinities without developing the common side effects of antibodies. Thus, we evaluated the effect of periostin inhibition by an aptamer-based inhibitor on renal fibrosis under diabetic conditions. In vitro, transforming growth factor-β1 (TGF-β1) treatment significantly upregulated periostin, fibronectin, and type I collagen mRNA and protein expressions in inner medullary collecting duct (IMCD) cells...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818819/quantifying-human-movement-using-the-movn-smartphone-app-validation-and-field-study
#8
Ralph Maddison, Luke Gemming, Javier Monedero, Linda Bolger, Sarahjane Belton, Johann Issartel, Samantha Marsh, Artur Direito, Madeleine Solenhill, Jinfeng Zhao, Daniel John Exeter, Harshvardhan Vathsangam, Jonathan Charles Rawstorn
BACKGROUND: The use of embedded smartphone sensors offers opportunities to measure physical activity (PA) and human movement. Big data-which includes billions of digital traces-offers scientists a new lens to examine PA in fine-grained detail and allows us to track people's geocoded movement patterns to determine their interaction with the environment. OBJECTIVE: The objective of this study was to examine the validity of the Movn smartphone app (Moving Analytics) for collecting PA and human movement data...
August 17, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28818714/the-role-of-physical-activity-in-improving-physical-fitness-in-children-with-intellectual-and-developmental-disabilities
#9
Kyla Collins, Kerri Staples
BACKGROUND: One in three children in North America are considered overweight or obese. Children with intellectual and developmental disabilities (IDD) are at an increased risk for obesity than their typically developing peers. Decreased physical activity (PA) and low physical fitness may be contributing factors to this rise in obesity. AIM: Because children with IDD are at an increased risk of diseases related to inactivity, it is important to improve health-related physical fitness to complete activities of daily living and improve health...
August 14, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28818699/apathy-in-people-with-epilepsy-and-its-clinical-significance-a-case-control-study
#10
Jong-Geun Seo, Gun-Hee Lee, Sung-Pa Park
PURPOSE: Apathy as a state of decreased motivation has not been highlighted in people with epilepsy (PWE). We investigated its clinical significance in PWE. METHODS: We invited adult PWE who had been administered antiepileptic drugs (AEDs) for at least 1year and compared them with age- and gender-matched healthy controls. Eligible participants completed several questionnaires including the Apathy Evaluation Scale-Self (AES-S), the Korean version of the Neurological Disorders Depression Inventory for Epilepsy (K-NDDI-E), the Generalized Anxiety Disorder-7 (GAD-7), the Epworth Sleepiness Scale (ESS), and the Insomnia Severity Index (ISI), and the Quality of Life in Epilepsy-10 (QOLIE-10)...
August 8, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28818640/the-influence-of-physical-activity-in-the-anti-tumor-immune-response-in-experimental-breast-tumor
#11
Thiago M Bianco, Douglas R Abdalla, Chamberttan S Desidério, Sofie Thys, Cindy Simoens, John-Paul Bogers, Eddie F C Murta, Márcia A Michelin
This study aimed to investigate the influence of physical activity in innate immunity to conduce to an effective antitumoral immune response analyzing the phenotype and activation status of infiltrating cells. We analyzed the intracellular cytokines and the transcription factors of tumor infiltrating lymphocytes (TILS) and spleen leukocytes. The Nos2 gene expression was evaluated in spleen cells and futhermore the ROS production was measured and spleen cells; another cell evaluated was dendritic cells (TIDCs), their cytokines expression and membrane molecules; finally to understood the results obtained, we analysed the dendritic cells obtained from bone marrow...
August 14, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28818422/feasibility-and-effects-of-a-physical-activity-program-using-gerontechnology-in-assisted-living-communities-for-older-adults
#12
Martine Lauzé, Dominic D Martel, Mylène Aubertin-Leheudre
BACKGROUND: The number of older adults residing in assisted living communities is increasing. Despite the benefits of physical activity (PA) on physical and cognitive capacities, and the opportunities for being active offered in these living environments, this population is highly sedentary and more at risk of physical decline. This study aimed to assess the feasibility, the acceptability, and the effects of PA intervention using gerontechnology in assisted living communities. METHODS: Forty-two older adults in 4 assisted living communities were recruited and randomly assigned to an exercise intervention group (EX) or a control group (CON) using a 2:1 ratio...
August 14, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28818352/longitudinal-sequential-biventricular-assessment-in-adults-with-transposition-of-the-great-arteries-and-relationship-with-adverse-outcomes
#13
M Riahi, A Claman, M Kiess, M Orgad, D Human, S Chakrabarti, J Leipsic, J Grewal
BACKGROUND: In a cohort of congenitally corrected transposition of the great arteries (cc-TGA) and transposition of the great arteries after atrial switch procedure (d-TGA) the study objectives were: 1) to assess the change of quantitative systemic right ventricle (sRV) parameters over time and; 2) to examine the relationship of quantitative sRV parameters with adverse clinical outcomes. METHODS AND RESULTS: Single-center cohort study that included 49 (39%) cc-TGA and 76 (61%) d-TGA patients >18years who had at least one MUGA sRV assessment, 18/39 had more than one respectively...
August 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28818063/variations-in-adolescents-motivational-characteristics-across-gender-and-physical-activity-patterns-a-latent-class-analysis-approach
#14
Margaret Lawler, Caroline Heary, Elizabeth Nixon
BACKGROUND: Neglecting to take account of the underlying context or type of physical activity (PA) that underpins overall involvement has resulted in a limited understanding of adolescents' PA participation. The purpose of the present research was to identify male and female adolescents' leisure time PA patterns and examine whether psychological processes derived from self-determination theory differ as a function of the pattern of PA undertaken. METHODS: Nine hundred ninety-five students (61...
August 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28818039/the-impact-of-rna-sequence-library-construction-protocols-on-transcriptomic-profiling-of-leukemia
#15
Ashwini Kumar, Matti Kankainen, Alun Parsons, Olli Kallioniemi, Pirkko Mattila, Caroline A Heckman
BACKGROUND: RNA sequencing (RNA-seq) has become an indispensable tool to identify disease associated transcriptional profiles and determine the molecular underpinnings of diseases. However, the broad adaptation of the methodology into the clinic is still hampered by inconsistent results from different RNA-seq protocols and involves further evaluation of its analytical reliability using patient samples. Here, we applied two commonly used RNA-seq library preparation protocols to samples from acute leukemia patients to understand how poly-A-tailed mRNA selection (PA) and ribo-depletion (RD) based RNA-seq library preparation protocols affect gene fusion detection, variant calling, and gene expression profiling...
August 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28817966/attitudes-and-barriers-to-healthy-diet-and-physical-activity-a-latent-profile-analysis
#16
Christine A Vaughan, Madhumita Ghosh-Dastidar, Tamara Dubowitz
Healthy diet and physical activity (PA) prevent and reduce chronic disease. Social cognitive theory delineates multiple attitudes and barriers that influence these behaviors. Understanding covariation in these attitudes and barriers is complex. We examined whether individuals could be grouped into a small number of categories that are easier to study. Interviews were conducted with 982 adults from two low-income, predominantly African American neighborhoods in the same city. Social cognitive constructs, including self-efficacy, social norms, and internal and external barriers to diet and exercise, and walking were self-reported...
August 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28817676/psychological-determinants-of-physical-activity-across-the-life-course-a-determinants-of-diet-and-physical-activity-dedipac-umbrella-systematic-literature-review
#17
Cristina Cortis, Anna Puggina, Caterina Pesce, Katina Aleksovska, Christoph Buck, Con Burns, Greet Cardon, Angela Carlin, Chantal Simon, Donatella Ciarapica, Giancarlo Condello, Tara Coppinger, Sara D'Haese, Marieke De Craemer, Andrea Di Blasio, Sylvia Hansen, Licia Iacoviello, Johann Issartel, Pascal Izzicupo, Lina Jaeschke, Martina Kanning, Aileen Kennedy, Fiona Chun Man Ling, Agnes Luzak, Giorgio Napolitano, Julie-Anne Nazare, Grainne O'Donoghue, Camille Perchoux, Tobias Pischon, Angela Polito, Alessandra Sannella, Holger Schulz, Rhoda Sohun, Astrid Steinbrecher, Wolfgang Schlicht, Walter Ricciardi, Loriana Castellani, Ciaran MacDonncha, Laura Capranica, Stefania Boccia
Low levels of physical activity (PA) are reported to contribute to the occurrence of non-communicable diseases over the life course. Although psychological factors have been identified as an important category concerning PA behavior, knowledge on psychological determinants of PA is still inconclusive. Therefore, the aim of this umbrella systematic literature review (SLR) was to summarize and synthesize the scientific evidence on psychological determinants of PA behavior across the life course. A systematic online search was conducted on MEDLINE, ISI Web of Science, Scopus, and SPORTDiscus databases...
2017: PloS One
https://www.readbyqxmd.com/read/28817100/modulatory-effects-of-exogenously-applied-polyamines-on-postharvest-physiology-antioxidant-system-and-shelf-life-of-fruits-a-review
#18
REVIEW
Sunil Sharma, Sunil Pareek, Narashans Alok Sagar, Daniel Valero, Maria Serrano
Polyamines (PAs) are natural compounds involved in many growth and developmental processes in plants, and, specifically in fruits, play a vital role regulating its development, ripening and senescence processes. Putrescine (PUT), spermine (SPE), and spermidine (SPD) are prominent PAs applied exogenously to extend shelf life of fruits. They also originate endogenously during developmental phases of horticultural crops and simultaneously affect the quality attributes and shelf life. Their anti-ethylene nature is being exploited to enhance the shelf life when exogenously applied on fruits...
August 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28817091/production-of-synthetic-phosphoanhydrite-and-its-use-as-a-binder-in-self-leveling-underlayments-slu
#19
Cecília Ogliari Schaefer, Malik Cheriaf, Janaíde Cavalcante Rocha
An experimental study was conducted to investigate the potential use of phosphogypsum (PG) to produce self-leveling underlayments. The study was designed in two stages. Initially a phosphoanhydrite (PA) was produced by heating phosphogypsum at temperatures of 350 °C, 450 °C, 550 °C, and 650 °C. Two periods of heating were applied (2 and 4 h). The formation of anhydrite was determined by thermogravimetric analysis (DTA-TG) and confirmed by X-ray diffraction (XRD). The results show that anhydrite II was obtained at temperatures above 450 °C, and at higher calcination temperatures the PA solubility was lower...
August 17, 2017: Materials
https://www.readbyqxmd.com/read/28816993/parental-guidance-required-how-parents-could-help-reduce-the-shortage-of-minority-physician-assistants
#20
Amanda W Scarbrough, Yue Xie, Steve R Shelton
Physician assistants (PAs) are essential to the health care system, and there are not nearly enough of them to meet the needs of our ethnically diverse population. Factors contributing to a lack of minorities in PA schools are related to academic performance, commitments outside work/school, and social and economic deprivation. From 2014 to 2016, the Texas Area Health Education Center East worked with the University of Texas Medical Branch at Galveston to implement Physician Assistant Learner Support programming...
September 2017: Journal of Physician Assistant Education
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