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https://www.readbyqxmd.com/read/28432850/a-detailed-experimental-study-of-a-dna-computer-with-two-endonucleases
#1
Sebastian Sakowski, Tadeusz Krasiński, Joanna Sarnik, Janusz Blasiak, Jacek Waldmajer, Tomasz Poplawski
Great advances in biotechnology have allowed the construction of a computer from DNA. One of the proposed solutions is a biomolecular finite automaton, a simple two-state DNA computer without memory, which was presented by Ehud Shapiro's group at the Weizmann Institute of Science. The main problem with this computer, in which biomolecules carry out logical operations, is its complexity - increasing the number of states of biomolecular automata. In this study, we constructed (in laboratory conditions) a six-state DNA computer that uses two endonucleases (e...
April 22, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28432100/casein-kinase-i-isoform-hrr25-is-a-negative-regulator-of-haa1-in-the-weak-acid-stress-response-pathway-in-saccharomyces-cerevisiae
#2
Morgan E Collins, Joshua J Black, Zhengchang Liu
Haa1 is a transcription factor that adapts Saccharomyces cerevisiae cells to weak organic acid stresses by activating the expression of various genes. Many of these genes encode membrane proteins such as TPO2 and YRO2 How Haa1 is activated by weak acids is not clear. Here, we show that casein kinase I isoform Hrr25 is an important negative regulator of Haa1. Haa1 is known to be multiply phosphorylated. We found that mutations in HRR25 lead to reduced Haa1 phosphorylation and increased expression of Haa1-target genes, and that Hrr25 interacts with Haa1...
April 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28431794/challenging-the-addiction-health-binary-with-assemblage-thinking-an-analysis-of-consumer-accounts
#3
David Moore, Kiran Pienaar, Ella Dilkes-Frayne, Suzanne Fraser
Critical analyses of drug use and 'addiction' have identified a series of binary oppositions between addiction and free will, independence, self-control, responsibility, productivity and autonomy. This critical work has also examined how science, policy and popular discourses frequently characterise addiction as antithetical to health and well-being. Furthermore, those diagnosed with addiction are often understood as indifferent to health and well-being, or as lacking the knowledge or desire required to maintain them...
April 18, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28431554/a-need-to-accelerate-health-research-productivity-in-an-african-university-the-case-of-makerere-university-college-of-health-sciences
#4
Damalie Nakanjako, Dickens Akena, Dan K Kaye, James Tumwine, Elialilia Okello, Annettee Nakimuli, Andrew Kambugu, Hazel McCullough, Harriet Mayanja-Kizza, Moses R Kamya, Nelson K Sewankambo
BACKGROUND: In the last decade, Makerere University College of Health Sciences (MakCHS) has taken strides in research and training to improve healthcare through collaborative training and research programs. However, there is limited data on the trends of MakCHS faculty contributions to research and on faculty growth to take leading roles in health research. This paper reviews MakCHS faculty research publications over 15.5 years and outlines possible strategies to enhance faculty research outputs...
April 21, 2017: Health Research Policy and Systems
https://www.readbyqxmd.com/read/28431202/pharmacological-interventions-for-acute-pancreatitis
#5
REVIEW
Elisabetta Moggia, Rahul Koti, Ajay P Belgaumkar, Federico Fazio, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: In people with acute pancreatitis, it is unclear what the role should be for medical treatment as an addition to supportive care such as fluid and electrolyte balance and organ support in people with organ failure. OBJECTIVES: To assess the effects of different pharmacological interventions in people with acute pancreatitis. SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL, 2016, Issue 9), MEDLINE, Embase, Science Citation Index Expanded, and trial registers to October 2016 to identify randomised controlled trials (RCTs)...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28431198/serum-amylase-and-lipase-and-urinary-trypsinogen-and-amylase-for-diagnosis-of-acute-pancreatitis
#6
REVIEW
Gianluca Rompianesi, Angus Hann, Oluyemi Komolafe, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: The treatment of people with acute abdominal pain differs if they have acute pancreatitis. It is important to know the diagnostic accuracy of serum amylase, serum lipase, urinary trypsinogen-2, and urinary amylase for the diagnosis of acute pancreatitis, so that an informed decision can be made as to whether the person with abdominal pain has acute pancreatitis. There is currently no Cochrane review of the diagnostic test accuracy of serum amylase, serum lipase, urinary trypsinogen-2, and urinary amylase for the diagnosis of acute pancreatitis...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28431197/serum-c-reactive-protein-procalcitonin-and-lactate-dehydrogenase-for-the-diagnosis-of-pancreatic-necrosis
#7
REVIEW
Oluyemi Komolafe, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: The treatment of people with pancreatic necrosis differs from that of people with oedematous pancreatitis. It is important to know the diagnostic accuracy of serum C-reactive protein (CRP), serum procalcitonin, and serum lactate dehydrogenase (LDH) as a triage test for the detection of pancreatic necrosis in people with acute pancreatitis, so that an informed decision can be made as to whether the person with pancreatic necrosis needs further investigations such as computed tomography (CT) scan or magnetic resonance imaging (MRI) scan and treatment for pancreatic necrosis started...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28431005/occupational-asthma-caused-by-acrylic-compounds-from-shield-surveillance-1989-2014
#8
G I Walters, A S Robertson, V C Moore, P S Burge
Background: Acrylic monomers (acrylates), methacrylates and cyanoacrylates all cause asthma by respiratory sensitization. Occupational inhalation exposures occur across a variety of industries including health care and dental work, beauty, laboratory science, assembly and plastic moulding. Aims: To examine notifications of occupational asthma caused by acrylic compounds from a UK-based regional surveillance scheme, in order to highlight prevalent exposures and trends in presentation...
April 20, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28430796/prevalence-and-associated-factors-of-tuberculosis-and-diabetes-mellitus-comorbidity-a-systematic-review
#9
Mahteme Haile Workneh, Gunnar Aksel Bjune, Solomon Abebe Yimer
INTRODUCTION: The dual burden of tuberculosis (TB) and diabetes mellitus (DM) has become a major global public health concern. There is mounting evidence from different countries on the burden of TB and DM comorbidity. The objective of this systematic review was to summarize the existing evidence on prevalence and associated/risk factors of TBDM comorbidity at global and regional levels. METHODS: Ovid Medline, Embase, Global health, Cochrane library, Web of science and Scopus Elsevier databases were searched to identify eligible articles for the systematic review...
2017: PloS One
https://www.readbyqxmd.com/read/28430419/prediction-of-hydrolysis-products-of-organic-chemicals-under-environmental-ph-conditions
#10
Caroline Tebes-Stevens, Jay M Patel, W Jack Jones, Eric J Weber
Cheminformatics-based software tools can predict the molecular structure of transformation products using a library of transformation reaction schemes. This paper presents the development of such a library for abiotic hydrolysis of organic chemicals under environmentally relevant conditions. The hydrolysis reaction schemes in the library encode the process science gathered from peer-reviewed literature and regulatory reports. Each scheme has been ranked on a scale of one to six based on the median half-life in a data set compiled from literature-reported hydrolysis rates...
April 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28430363/cerebrolysin-for-acute-ischaemic-stroke
#11
REVIEW
Liliya Eugenevna Ziganshina, Tatyana Abakumova, Ludivine Vernay
BACKGROUND: Cerebrolysin is a mixture of low-molecular-weight peptides and amino acids derived from pigs' brain tissue, which has potential neuroprotective and neurotrophic properties. It is widely used in the treatment of acute ischaemic stroke in Russia, Eastern Europe, China, and other Asian and post-Soviet countries. OBJECTIVES: To assess the benefits and risks of cerebrolysin for treating acute ischaemic stroke. SEARCH METHODS: In May 2016 we searched the Cochrane Stroke Group Trials Register, CENTRAL, MEDLINE, Embase, Web of Science Core Collection, with Science Citation Index, LILACS, OpenGrey, and a number of Russian Databases...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28430088/informatics-for-health-2017-advancing-both-science-and-practice
#12
Philip J Scott, Ronald Cornet, Colin McCowan, Niels Peek, Paolo Fraccaro, Nophar Geifman, Wouter T Gude, William Hulme, Glen P Martin, Richard Williams
INTRODUCTION: The Informatics for Health congress, 24-26 April 2017, in Manchester, UK, brought together the Medical Informatics Europe (MIE) conference and the Farr Institute International Conference. This special issue of the Journal of Innovation in Health Informatics contains 113 presentation abstracts and 149 poster abstracts from the congress. DISCUSSION: The twin programmes of "Big Data" and "Digital Health" are not always joined up by coherent policy and investment priorities...
April 21, 2017: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/28429644/a-systematic-review-of-discomfort-due-to-toe-or-ear-clipping-in-laboratory-rodents
#13
Kimberley E Wever, Florentine J Geessink, Michelle A E Brouwer, Alice Tillema, Merel Ritskes-Hoitinga
Toe clipping and ear clipping (also ear notching or ear punching) are frequently used methods for individual identification of laboratory rodents. These procedures potentially cause severe discomfort, which can reduce animal welfare and distort experimental results. However, no systematic summary of the evidence on this topic currently exists. We conducted a systematic review of the evidence for discomfort due to toe or ear clipping in rodents. The review methodology was pre-specified in a registered review protocol...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28429473/surgery-for-limited-stage-small-cell-lung-cancer
#14
REVIEW
Hayley Barnes, Katharine See, Stephen Barnett, Renée Manser
BACKGROUND: Current treatment guidelines for limited-stage small-cell lung cancer (SCLC) recommend concomitant platinum-based chemo-radiotherapy plus prophylactic cranial irradiation, based on the premise that SCLC disseminates early, and is chemosensitive. However, although there is usually a favourable initial response, relapse is common and the cure rate for limited-stage SCLC remains relatively poor. Some recent clinical practice guidelines have recommended surgery for stage 1 (limited) SCLC followed by adjuvant chemotherapy, but this recommendation is largely based on the findings of observational studies...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28429459/nitric-oxide-donors-nitrates-l-arginine-or-nitric-oxide-synthase-inhibitors-for-acute-stroke
#15
REVIEW
Philip Mw Bath, Kailash Krishnan, Jason P Appleton
BACKGROUND: Nitric oxide (NO) has multiple effects that may be beneficial in acute stroke, including lowering blood pressure, and promoting reperfusion and cytoprotection. Some forms of nitric oxide synthase inhibition (NOS-I) may also be beneficial. However, high concentrations of NO are likely to be toxic to brain tissue. This is an update of a Cochrane review first published in 1998, and last updated in 2002. OBJECTIVES: To assess the safety and efficacy of NO donors, L-arginine, and NOS-I in people with acute stroke...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28429256/dynamic-modeling-of-problem-drinkers-undergoing-behavioral-treatment
#16
H T Banks, Kidist Bekele-Maxwell, R A Everett, Lyric Stephenson, Sijing Shao, Jon Morgenstern
We use dynamical systems modeling to help understand how selected intra-personal factors interact to form mechanisms of behavior change in problem drinkers. Our modeling effort illustrates the iterative process of modeling using an individual's clinical data. Due to the lack of previous work in modeling behavior change in individual patients, we build our preliminary model relying on our understandings of the psychological relationships among the variables. This model is refined and the psychological understanding is then enhanced through the iterative modeling process...
April 20, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28428979/use-of-consumer-wearable-devices-to-promote-physical-activity-a-review-of-health-intervention-studies
#17
Steven S Coughlin, Jessica Stewart
BACKGROUND: Although many wearable devices for monitoring and tracking physical activity are available to consumers, relatively few research studies have been conducted to determine their efficacy in promoting health. METHODS: In this article, data on the use of consumer wearable devices in promoting healthy behaviors are summarized based upon bibliographic searches in PubMed and Psychology and Behavioral Sciences Collection with relevant search terms through September 2016...
November 2016: Journal of Environment and Health Sciences
https://www.readbyqxmd.com/read/28428978/20th-workshop-of-the-international-stroke-genetics-consortium-november-3-4-2016-milan-italy-2016-036-isgc-research-priorities
#18
Daniel Woo, Stephanie Debette, Christopher Anderson
OBJECTIVE: To develop a research priority list for the International Stroke Genetics Consortium (ISGC). BACKGROUND: Previously, stroke progress review groups and other activities provided an opportunity for members within the field to develop priorities for research. These filtered into larger categories which then published the top research priorities of their given field. However, these review groups are no longer forming and thus there has been no clear direction on what the research priorities and needs for stroke genetics research...
March 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28428928/origin-branching-and-communications-of-the-intercostobrachial-nerve-a-meta-analysis-with-implications-for-mastectomy-and-axillary-lymph-node-dissection-in-breast-cancer
#19
REVIEW
Brandon Michael Henry, Matthew J Graves, Jakub R Pękala, Beatrice Sanna, Wan Chin Hsieh, R Shane Tubbs, Jerzy A Walocha, Krzysztof A Tomaszewski
The intercostobrachial nerve (ICBN), which usually originates from the lateral cutaneous branch of the second intercostal nerve, innervates areas of the axilla, lateral chest, and medial arm. It is at risk for injury during operative procedures that are often used in the management of breast cancer and such injury has been associated with postoperative sensory loss and neuropathic pain, decreasing the quality of life. PubMed, Excerpta Medica Database (EMBASE), ScienceDirect, Google Scholar, China National Knowledge Infrastructure (CNKI), Scientific Electronic Library Online (SciELO), Biosciences Information Service (BIOSIS), and Web of Science were searched comprehensively...
March 17, 2017: Curēus
https://www.readbyqxmd.com/read/28428874/population-assessment-using-multivariate-time-series-analysis-a-case-study-of-rockfishes-in-puget-sound
#20
Nick Tolimieri, Elizabeth E Holmes, Gregory D Williams, Robert Pacunski, Dayv Lowry
Estimating a population's growth rate and year-to-year variance is a key component of population viability analysis (PVA). However, standard PVA methods require time series of counts obtained using consistent survey methods over many years. In addition, it can be difficult to separate observation and process variance, which is critical for PVA. Time-series analysis performed with multivariate autoregressive state-space (MARSS) models is a flexible statistical framework that allows one to address many of these limitations...
April 2017: Ecology and Evolution
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