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https://www.readbyqxmd.com/read/29150976/salt-bridge-interactions-within-the-%C3%AE-2-integrin-%C3%AE-7-helix-mediate-force-induced-binding-and-shear-resistance-ability
#1
Xiao Zhang, Linda Li, Ning Li, Xinyu Shu, Lüwen Zhou, Shouqin Lü, Shenbao Chen, Debin Mao, Mian Long
The functional performance of αI domain α7 helix in β2 integrin activation depends on the allostery of the α7 helix, which axially slides down; therefore, it is critical to elucidate what factors regulate the allostery. In this study, we determined that there were two conservative salt bridge interaction pairs that constrain both the upper and bottom ends of the α7 helix. Molecular Dynamics (MD) simulations for three β2 integrin members of LFA-1 (αL β2 ), Mac-1 (αM β2 ) and αx β2 indicated that the magnitude of the salt bridge interaction is related to the stability of the αI domain and the strength of the corresponding force-induced allostery...
November 18, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29149938/novel-interventions-what-s-new-and-the-future
#2
REVIEW
Jean-Louis Vincent, David Grimaldi
Despite decades of sepsis research, no specific therapies for sepsis have emerged and current management still relies on source control, antibiotics, and organ support. With improved understanding of sepsis pathophysiology and the development of new techniques to enable better characterization of patients with sepsis, clinical trials are beginning to better target new interventions at those patients most likely to respond. This article discusses advances in sepsis therapeutics designed to improve endothelial cell function, purify the blood to help restore immune homeostasis, and provide immunostimulation for patients with immune exhaustion...
January 2018: Critical Care Clinics
https://www.readbyqxmd.com/read/29149856/naukan-ethnobotany-in-post-soviet-times-lost-edibles-and-new-medicinals
#3
Kevin A Jernigan, Olga S Belichenko, Valeria B Kolosova, Darlene J Orr
BACKGROUND: This study focuses on health-related plant use among speakers of the critically endangered Naukan language (Inuit-Yupik-Unangan family) in the Russian Far East. The Naukan people were forced, in 1958, under Soviet consolidation, to move from their original settlement on Cape Dezhnev, leading to significant changes in spiritual worldview, subsistence, social structure, and language proficiency in the years that followed. Here, we focus on changes that elders report in their edible, medicinal, and spiritual uses of local plant species since their childhood...
November 17, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/29149821/statins-therapy-for-connective-tissue-diseases-new-therapeutic-opportunities
#4
Przemyslaw J Kotyla, Eugene J Kucharz
Background and Objective Statins, 3-hydroxyl-3-methyl-glutharyl Coenzyme A reductase inhibitors showed their therapeutic potential in the treatment of atherosclerosis-related diseases. Recently, the properties of statins, separate from their lipid lowering activity have attracted much attention. These properties that cover a wide area of physiopathological activities including cell maturation, immune response regulation, tissue fibrosis, endothelial activity and are called pleiotropic activity. Many in vitro studies demonstrated significant, statins-dependent regulation of immune system reactivity, reduction of pro-inflammatory and pro-fibrotic cytokines as well as suppression of endothelial activity and damage...
November 15, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29149684/combining-benford-s-law-and-machine-learning-to-detect-money-laundering-an-actual-spanish-court-case
#5
Elena Badal-Valero, José A Alvarez-Jareño, Jose M Pavía
OBJECTIVES: This paper is based on the analysis of the database of operations from a macro-case on money laundering orchestrated between a core company and a group of its suppliers, 26 of which had already been identified by the police as fraudulent companies. In the face of a well-founded suspicion that more companies have perpetrated criminal acts and in order to make better use of what are very limited police resources, we aim to construct a tool to detect money laundering criminals...
November 11, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29149537/multifunctional-cellular-materials-based-on-2d-nanomaterials-prospects-and-challenges
#6
REVIEW
Ling Qiu, Zijun He, Dan Li
Recent advances in emerging 2D nanomaterial-based cellular materials (2D-CMs) open up new opportunities for the development of next generation cellular solids with exceptional properties. Herein, an overview of the current research status of 2D-CMs is provided and their future opportunities are highlighted. First, the unique features of 2D nanomaterials are introduced to illustrate why these nanoscale building blocks are promising for the development of novel cellular materials and what the new features of 2D nanoscale building blocks can offer when compared to their 0D and 1D counterparts...
November 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29148186/undescended-testis-what-paediatricians-need-to-know
#7
REVIEW
John M Hutson, Jaya Vikraman, Ruili Li, Joergen Thorup
Undescended testis (UDT) occurs when something goes wrong with testicular descent from high in the abdominal cavity to the scrotum. Normal descent occurs in two steps, with the transabdominal phase controlled by a new testicular hormone, insulin-like hormone 3, and the inguinoscrotal phase controlled by androgens. The latter phase requires a complex process of migration from the inguinal abdominal wall to the scrotum and is commonly defective, leading to the high incidence (2-4%) of UDT at birth. The clinical examination of babies and infants aims to confirm the persistence of congenital UDT by 3-6 months, so surgery can be optimally timed at 6-12 months...
November 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29148115/the-actionability-of-exome-sequencing-testing-results
#8
Tanya Stivers, Stefan Timmermans
Genomic tests such as exome sequencing have recently become an option for diagnosing patients. The tests allow clinical geneticists to sequence the majority of patients' disease causing genetic variants. As a new technology, exome sequencing confronts the question of what the benefit is of this increased genetic information. Against a narrow perspective of clinical utility that emphasises tangible improvements in a patient's disease management, professional organisations have argued that genomic sequencing should be considered beneficial if it helps families and society...
November 2017: Sociology of Health & Illness
https://www.readbyqxmd.com/read/29148056/the-list-experiment-for-measuring-abortion-what-we-know-and-what-we-need
#9
Heidi Moseson, Emily Treleaven, Caitlin Gerdts, Nadia Diamond-Smith
Measuring abortion incidence and prevalence is often difficult because of under-reporting and other biases, complicated research designs, and other issues. Recently, family planning researchers have introduced a new method called the list experiment, adopted from political science and economics, to measure abortion. Three completed studies and at least four studies currently underway use this method to measure abortion in several countries. We discuss the lessons learned from completed studies, when the list experiment may and may not be appropriate, and open questions regarding the use of the list experiment for abortion research...
November 17, 2017: Studies in Family Planning
https://www.readbyqxmd.com/read/29147898/-don-t-mind-the-gap-reflections-on-improvement-science-as-a-paradigm
#10
Trenholme Junghans
Responding to this issue's invitation to bring new disciplinary insights to the field of improvement science, this article takes as its starting point one of the field's guiding metaphors: the imperative to "mind the gap". Drawing on insights from anthropology, history, and philosophy, the article reflects on the origins and implications of this metaphoric imperative, and suggests some ways in which it might be in tension with the means and ends of improvement. If the industrial origins of improvement science in the twentieth century inform a metaphor of gaps, chasms, and spaces of misalignment as invariably imperfect and potentially dangerous, and therefore requiring bridging or closure, other currents that feed the discipline of improvement science suggest the potential value and uses of spaces of openness and ambiguity...
November 17, 2017: Health Care Analysis: HCA: Journal of Health Philosophy and Policy
https://www.readbyqxmd.com/read/29147555/what-can-machine-learning-do-for-antimicrobial-peptides-and-what-can-antimicrobial-peptides-do-for-machine-learning
#11
REVIEW
Ernest Y Lee, Michelle W Lee, Benjamin M Fulan, Andrew L Ferguson, Gerard C L Wong
Antimicrobial peptides (AMPs) are a diverse class of well-studied membrane-permeating peptides with important functions in innate host defense. In this short review, we provide a historical overview of AMPs, summarize previous applications of machine learning to AMPs, and discuss the results of our studies in the context of the latest AMP literature. Much work has been recently done in leveraging computational tools to design new AMP candidates with high therapeutic efficacies for drug-resistant infections...
December 6, 2017: Interface Focus
https://www.readbyqxmd.com/read/29146952/migrainomics-identifying-brain-and-genetic-markers-of-migraine
#12
REVIEW
Dale R Nyholt, David Borsook, Lyn R Griffiths
Migraine is one of the world's most prevalent and disabling disorders and imposes an enormous socioeconomic burden. The exact causes of migraine are unknown, and no recognizable diagnostic pathological changes have been identified. Specific identifiable markers of migraine would aid diagnosis and could provide insight into the pathogenesis of the condition, with the potential to direct development of new therapeutics. In the past few years, advances in neuroimaging and genetic studies have provided the most substantial progress towards the identification of markers...
November 17, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/29146525/maternal-nutritional-determinants-of-colostrum-fatty-acids-in-the-eden-mother-child-cohort
#13
Martine Armand, Jonathan Y Bernard, Anne Forhan, Barbara Heude, Marie-Aline Charles
BACKGROUND & AIMS: Programming of infant development and later health may depend on early-milk polyunsaturated fatty acids (PUFA) contents, that are very variable between women for reasons not well elucidated. Indeed, a high n-6/n-3 PUFA in milk was associated with higher adiposity, arterial pressure and lower psychomotor scores in childhood. We aimed to explore the respective contribution of several maternal and perinatal factors to the variability of linoleic (LA), α-linolenic (ALA), arachidonic (AA), and docosahexaenoic (DHA) acid levels in early milk...
October 21, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29145868/what-happened-in-the-move-for-well-being-in-school-a-process-evaluation-of-a-cluster-randomized-physical-activity-intervention-using-the-re-aim-framework
#14
Søren Smedegaard, Ruben Brondeel, Lars Breum Christiansen, Thomas Skovgaard
BACKGROUND: The aim of this study was to address the gap in the translation of research into practice through an extensive process evaluation of the Move for Well-being in School programme using the RE-AIM framework. The purpose was to gain insight into the extent by which the intervention was adopted and implemented as intended and to understand how educators observed its effectiveness and maintenance. METHODS: Public schools located in seven municipalities in Denmark were invited to enroll their 4th to 6th grade classes in the project...
November 16, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/29145804/a-descriptive-study-of-the-health-information-needs-of-kenyan-women-in-the-first-6%C3%A2-weeks-postpartum
#15
Everlyne Rotich, Liz Wolvaardt
BACKGROUND: A large number of maternal and neonatal deaths occur during birth and 48 h after birth. The benefits of postnatal care to the mother and newborn cannot be overemphasized as this is another opportunity where complications that might arise from pregnancy and childbirth can be treated, as well as the time to provide important information on maternal and newborn care after delivery. This study aimed to determine the information needs of mother-baby pairs in the first 6 weeks after birth...
November 16, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29145740/fair-or-square-experiences-of-introducing-a-new-method-for-assessing-general-work-ability-in-a-sickness-insurance-context
#16
Christian Ståhl, Ida Seing, Björn Gerdle, Jan Sandqvist
PURPOSE: To study social validity and perceived fairness of a new method for assessing general work ability in a sickness insurance context. Assessments are based on self-reports, combined with examinations by physicians, and, if needed, occupational therapists, physiotherapists and/or psychologists. MATERIALS AND METHODS: Interviews with 36 insurance officials, 10 physicians, and 36 sick-listed persons, which were analysed through a qualitative content analysis...
November 16, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29145398/conservation-demands-safe-gene-drive
#17
Kevin M Esvelt, Neil J Gemmell
Interest in developing gene drive systems to control invasive species is growing, with New Zealand reportedly considering the nascent technology as a way to locally eliminate the mammalian pests that threaten its unique flora and fauna. If gene drives successfully eradicated these invasive populations, many would rejoice, but what are the possible consequences? Here, we explore the risk of accidental spread posed by self-propagating gene drive technologies, highlight new gene drive designs that might achieve better outcomes, and explain why we need open and international discussions concerning a technology that could have global ramifications...
November 2017: PLoS Biology
https://www.readbyqxmd.com/read/29144017/a-new-and-important-relationship-between-mirna-147a-and-pdpk1-in-radiotherapy
#18
Li-Juan Wang, Na-Na Li, Sai-Juan Xu, Fan Zhang, Ming-Hua Hao, Xian-Jun Yang, Xin-Hua Cai, Pei-Yong Qiu, Hong-Long Ji, Ping Xu
It was found that the expression level of miR-147a was significantly increased and the pathway of PI3K/AKT was dramatically inhibited after radiation. In view of the relationship between miRNA and target genes, we put forward the question, what is the relationship between PI3K /AKT and miR-147a? In order to find the answer to the question, we used bioinformatics techniques to analyze the relationship between miR-147 (a or b) and PI3K/AKT signaling pathway. miR-147a overexpression plasmid and PDPK1 3'UTR luciferase reporter gene plasmid were constructed...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143935/a-propensity-matched-comparison-of-hard-outcomes-in-children-on-chronic-dialysis
#19
Enrico Vidal, Nicholas C Chesnaye, Fabio Paglialonga, Bruno Minale, Giovanna Leozappa, Mario Giordano, Bruno Gianoglio, Ciro Corrado, Rosa Maria Roperto, Roberto Chimenz, Francesca Mencarelli, Ilse-Maria Ratsch, Luisa Murer, Enrico Verrina
Data concerning outcomes of children on hemodialysis (HD) and peritoneal dialysis (PD) are scarce and frequently derived from single-center experiences. We sought to compare survival and transplantation rates in a large cohort of PD and HD patients. We extracted all patients initiating dialysis under 16 years of age between 2004 and 2013 from the Italian Registry of Pediatric Chronic Dialysis. Patients on PD were propensity-matched to those on HD based on gender, age, primary cause of ESRD, and the number of co-morbidities...
November 16, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29143929/a-comparison-of-the-energetic-cost-of-running-in-marathon-racing-shoes
#20
Wouter Hoogkamer, Shalaya Kipp, Jesse H Frank, Emily M Farina, Geng Luo, Rodger Kram
BACKGROUND: Reducing the energetic cost of running seems the most feasible path to a sub-2-hour marathon. Footwear mass, cushioning, and bending stiffness each affect the energetic cost of running. Recently, prototype running shoes were developed that combine a new highly compliant and resilient midsole material with a stiff embedded plate. OBJECTIVE: The aim of this study was to determine if, and to what extent, these newly developed running shoes reduce the energetic cost of running compared with established marathon racing shoes...
November 16, 2017: Sports Medicine
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