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https://www.readbyqxmd.com/read/28527386/gait-patterns-of-children-and-adolescents-with-charcot-marie-tooth-disease
#1
Elizabeth Wojciechowski, Amy Sman, Kayla Cornett, Jacqueline Raymond, Kathryn Refshauge, Manoj P Menezes, Joshua Burns
Gait abnormalities reported in childhood Charcot-Marie-Tooth disease (CMT) include foot-drop, reduced ankle power at push-off and increased knee and hip flexion for swing clearance ('steppage-gait'). The purpose of this study was to describe the gait patterns of 60 children aged 6-17 years with CMT (CMTall) and distinguish differences based on functional weakness using the CMT Pediatric Scale (CMTPedS). Data were captured using Vicon Nexus system and compared to 50 healthy norms. Data were subdivided into three groups denoting increasing severity of dorsiflexion and plantarflexion weakness from the CMTPedS: no difficulty heel or toe walking (CMTND), difficulty heel walking (CMTDH), difficulty toe and heel walking (CMTDTH)...
May 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28527179/making-time-conservation-of-biological-clocks-from-fungi-to-animals
#2
Jay C Dunlap, Jennifer J Loros
The capacity for biological timekeeping arose at least three times through evolution, in prokaryotic cyanobacteria, in cells that evolved into higher plants, and within the group of organisms that eventually became the fungi and the animals. Neurospora is a tractable model system for understanding the molecular bases of circadian rhythms in the last of these groups, and is perhaps the most intensively studied circadian cell type. Rhythmic processes described in fungi include growth rate, stress responses, developmental capacity, and sporulation, as well as much of metabolism; fungi use clocks to anticipate daily environmental changes...
May 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28527100/parents-expectations-of-high-schools-in-firearm-violence-prevention
#3
Erica Payton, Jagdish Khubchandani, Amy Thompson, James H Price
Firearm violence remains a significant problem in the US (with 2787 adolescents killed in 2015). However, the research on school firearm violence prevention practices and policies is scant. Parents are major stakeholders in relation to firearm violence by youths and school safety in general. The purpose of this study was to examine what parents thought schools should be doing to reduce the risk of firearm violence in schools. A valid and reliable questionnaire was mailed to a national random sample of 600 parents who had at least one child enrolled in a public secondary school (response rate = 47%)...
May 19, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28526668/north-american-public-opinion-survey-on-the-acceptability-of-crowdsourcing-basic-life-support-for-out-of-hospital-cardiac-arrest-with-the-pulsepoint-mobile-phone-app
#4
Katie N Dainty, Haris Vaid, Steven C Brooks
BACKGROUND: The PulsePoint Respond app is a novel system that can be implemented in emergency dispatch centers to crowdsource basic life support (BLS) for patients with cardiac arrest and facilitate bystander cardiopulmonary resuscitation (CPR) and automated external defibrillator use while first responders are en route. OBJECTIVE: The aim of this study was to conduct a North American survey to evaluate the public perception of the above-mentioned strategy, including acceptability and willingness to respond to alerts...
May 17, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28526435/the-bidirectional-gut-brain-microbiota-axis-as-a-potential-nexus-between-traumatic-brain-injury-inflammation-and-disease
#5
Mark H Sundman, Nan-Kuei Chen, Vignesh Subbian, Ying-Hui Chou
As head injuries and their sequelae have become an increasingly salient matter of public health, experts in the field have made great progress elucidating the biological processes occurring within the brain at the moment of injury and throughout the recovery thereafter. Given the extraordinary rate at which our collective knowledge of neurotrauma has grown, new insights may be revealed by examining the existing literature across disciplines with a new perspective. This article will aim to expand the scope of this rapidly evolving field of research beyond the confines of the central nervous system (CNS)...
May 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28525982/blood-meal-induced-regulation-of-the-chemosensory-gene-repertoire-in-the-southern-house-mosquito
#6
Tanvi Taparia, Rickard Ignell, Sharon Rose Hill
BACKGROUND: The southern house mosquito, Culex quinquefasciatus, is one of the most prevalent vectors of lymphatic filariasis and flavivirus-induced encephalitis. Its vectorial capacity is directly affected by its reproductive feeding behaviors, such as host seeking, blood feeding, resting, and egg laying. In mosquitoes, these gonotrophic behaviors are odor-mediated and regulated following blood feeding. Immediately after a blood meal, female mosquitoes show reduced olfactory responsiveness and flight activity, as they enter a resting state...
May 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28525808/characterization-of-post-disaster-environmental-management-for-hazardous-materials-incidents-lessons-learnt-from-the-tianjin-warehouse-explosion-china
#7
Hui Zhang, Huabo Duan, Jian Zuo, MingWei Song, Yukui Zhang, Bo Yang, Yongning Niu
Hazardous Materials Incidents (HMIs) have attracted a growing public concern worldwide. The health risks and environmental implications associated with HMIs are almost invariably severe, and underscore the urgency for sound management. Hazardous Materials Explosion incidents (HMEIs) belong to a category of extremely serious HMIs. Existing studies placed focuses predominately on the promptness and efficiency of emergency responses to HMIs and HMEIs. By contrast, post-disaster environmental management has been largely overlooked...
May 16, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28525398/likely-impact-of-the-un-convention-on-disability-on-mental-health-services
#8
Ina Jahn, Thomas Becker, Katarina Stengler
PURPOSE OF REVIEW: After a large majority of UN member states ratified the Convention on the Rights of Persons with Disabilities (UNCRPD), this article aims to provide an overview of its implementation and possible effects in the area of mental health services in individual contract states. RECENT FINDINGS: This article looks at the implementation processes of the UNCRPD in individual industrialized, emerging and developing countries. In addition to changes in national legislation, potential influences on the supply and support systems for persons with mental illness are considered...
May 17, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28524697/emerging-functions-of-multi-protein-complex-mediator-with-special-emphasis-on-plants
#9
Naveen Malik, Pinky Agarwal, Akhilesh Tyagi
Mediator is a multi-subunit protein complex which is involved in transcriptional regulation in yeast and other eukaryotes. As a co-activator, it connects information from transcriptional activators/repressors to transcriptional machinery including RNA polymerase II and general transcription factors. It is not only involved in transcription initiation but also has important roles to play in transcription elongation and termination. Functional attributes of different Mediator subunits have been largely defined in yeast and mammalian systems earlier, while such studies in plants have gained momentum recently...
May 19, 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28524656/multifunctional-and-redox-responsive-self-assembled-magnetic-nanovectors-for-protein-delivery-and-dual-modal-imaging
#10
Hong Yu Yang, Moon-Sun Jang, Yi Li, Jung Hee Lee, Doo Sung Lee
Nanoparticle (NP)-based model carriers present an emerging strategy for protein delivery. However, constructing a multifunctional nanocarrier with high loading capacity, diagnostic imaging capacity and controlled release capability is a tremendous challenge for protein delivery systems. Thus, we herein report on the fabrication of redox-responsive magnetic nanovectors (termed RMNs) through self- assembly of Fe3O4 NPs and redox-responsive polymer ligands, which could effectively transport protein and trigger intracellular protein release...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28523978/closed-loop-neuromodulation-systems-next-generation-treatments-for-psychiatric-illness
#11
Meng-Chen Lo, Alik S Widge
Despite deep brain stimulation's positive early results in psychiatric disorders, well-designed clinical trials have yielded inconsistent clinical outcomes. One path to more reliable benefit is closed-loop therapy: stimulation that is automatically adjusted by a device or algorithm in response to changes in the patient's electrical brain activity. These interventions may provide more precise and patient-specific treatments. This article first introduces the available closed-loop neuromodulation platforms, which have shown clinical efficacy in epilepsy and strong early results in movement disorders...
April 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/28523731/wble2-transcription-factor-in-streptomyces-griseus-s4-7-plays-an-important-role-in-plant-protection
#12
Hyun Ji Cho, Young Sang Kwon, Da-Ran Kim, Gyeongjun Cho, Seong Won Hong, Dong-Won Bae, Youn-Sig Kwak
Streptomyces griseus S4-7 was originally isolated from the strawberry rhizosphere as a microbial agent responsible for Fusarium wilt suppressive soils. S. griseus S4-7 shows specific and pronounced antifungal activity against Fusarium oxysporum f. sp. fragariae. In the Streptomyces genus, the whi transcription factors are regulators of sporulation, cell differentiation, septation, and secondary metabolites production. wblE2 function as a regulator has emerged as a new group in whi transcription factors. In this study, we reveal the involvement of the wblE2 transcription factor in the plant-protection by S...
May 19, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28523623/microbial-population-shift-caused-by-sulfamethoxazole-in-engineered-soil-aquifer-treatment-e-sat-system
#13
Ashwinkumar P Rudrashetti, Niti B Jadeja, Deepa Gandhi, Asha A Juwarkar, Abhinav Sharma, Atya Kapley, R A Pandey
The engineered-Soil Aquifer Treatment (e-SAT) system was exploited for the biological degradation of Sulfamethoxazole (SMX) which is known to bio-accumulate in the environment. The fate of SMX in soil column was studied through laboratory simulation for a period of 90 days. About 20 ppm SMX concentration could be removed in four consecutive cycles in e-SAT. To understand the microbial community change and biological degradation of SMX in e-SAT system, metagenomic analysis was performed for the soil samples before (A-EBD) and after SMX exposure (B-EBD) in the e-SAT...
June 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28522983/a-dynamical-model-of-pitch-memory-provides-an-improved-basis-for-implied-harmony-estimation
#14
Ji Chul Kim
Tonal melody can imply vertical harmony through a sequence of tones. Current methods for automatic chord estimation commonly use chroma-based features extracted from audio signals. However, the implied harmony of unaccompanied melodies can be difficult to estimate on the basis of chroma content in the presence of frequent nonchord tones. Here we present a novel approach to automatic chord estimation based on the human perception of pitch sequences. We use cohesion and inhibition between pitches in auditory short-term memory to differentiate chord tones and nonchord tones in tonal melodies...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28521707/biologic-agents-in-systemic-dermatotherapy-cutaneous-and-systemic-side-effects
#15
George Badavanis, Efstathia Pasmatzi, Alexandra Monastirli, Dionysios Tsambaos
The recent significant breakthroughs in the understanding of the pathogenetic mechanisms of psoriasis and other immune-mediated inflammatory disorders, have led to the emergence of a wide array of biologic agents or biologics, that are especially designed to target selective intracellular or extracellular components and pathways of the dysregulated immune response. These targeted biologic agents have altered the landscape in dermatotherapy aiming to offer higher therapeutic efficacy and an alternative in patients who either failed on conventional systemic regimens or have no other therapeutic options...
May 18, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28521528/prevention-and-control-of-emergent-infectious-disease-with-high-specific-antigen-sensor
#16
Hongzhe Zhang, Shanshan Zhang, Nan Liu
This study aims to evaluate the application of a new type of high specificity antigen sensor in detecting the viruses in sudden infectious diseases. Influenza A (H1N1) virus immunosensor was used for the respective determination of the six kinds of antigens of H1N1, H3N2 viral protein, HA protein of H7N9, influenza B virus, adenovirus, and EV71 virus of same dilution degree on the Screen Printed Carbon Electrode (SPCE), so as to test the specificity of the detection method. In addition, various batches of chick embryo allantoic saliva dilution simulation samples were also detected on their recovery (accuracy), repeatability (precision), and stability...
May 18, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28521429/b-cells-inhibit-the-antitumor-immunity-against-an-established-murine-fibrosarcoma
#17
Andrea Maglioco, Damián G Machuca, María Noel Badano, Paula Nannini, Gabriela V Camerano, Héctor Costa, Roberto Meiss, Raúl A Ruggiero, Mirta Giordano, Graciela I Dran
Despite the classic role of B cells in favoring the immune response, an inhibitory action of B lymphocytes in tumor immunity has emerged in certain studies. In methylcolanthrene-induced murine fibrosarcoma (MCC), the loss of immunogenicity and the establishment of tolerance are paralleled by systemic immune suppression and the appearance of B(+)IL-10(+) cells in tumor-draining lymph nodes. The present study aimed to assess the role of the B(+)IL-10(+) cell population in the immune evasion and tolerance induced by MCC through the depletion of B cells in mice at various times of tumor progression: Prior to or subsequent to tumor implantation...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520958/the-development-use-and-impact-of-a-global-laboratory-database-during-the-2014-ebola-outbreak-in-west-africa
#18
Kara N Durski, Shalini Singaravelu, Junxiong Teo, Dhamari Naidoo, Luke Bawo, Amara Jambai, Sakoba Keita, Ali Ahmed Yahaya, Beatrice Muraguri, Brice Ahounou, Victoria Katawera, Fredson Kuti-George, Yacouba Nebie, T Henry Kohar, Patrick Jowlehpah Hardy, Mamoudou Harouna Djingarey, David Kargbo, Nuha Mahmoud, Yewondwossen Assefa, Orla Condell, Magassouba N'Faly, Leon Van Gurp, Margaret Lamanu, Julia Ryan, Boubacar Diallo, Foday Daffae, Dikena Jackson, Fayyaz Ahmed Malik, Philomena Raftery, Pierre Formenty
Background: The international impact, rapid widespread transmission, and reporting delays during the 2014 Ebola virus disease (EVD) outbreak in West Africa highlighted the need for a global, centralized database to inform outbreak response. The World Health Organization and Emerging and Dangerous Pathogens Laboratory Network addressed this need by supporting the development of a global laboratory database. Methods: Specimens were collected in the affected countries from patients and dead bodies meeting the case definitions for EVD...
May 18, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28520942/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#19
Yu Zhang, Xinghui Sun, Basak Icli, Mark W Feinberg
Chronic, low-grade systemic inflammation and impaired microvascular function are critical hallmarks in the development of insulin resistance. Accordingly, insulin resistance is a major risk factor for type 2 diabetes and cardiovascular disease. Accumulating studies demonstrate that restoration of impaired function of the diabetic macro- and microvasculature may ameliorate a range of cardiovascular disease states and diabetes-associated complications. In this review, we focus on the emerging role of microRNAs (miRNAs), noncoding RNAs that fine-tune target gene expression and signaling pathways, in insulin-responsive tissues and cell types important for maintaining optimal vascular homeostasis and preventing the sequelae of diabetes-induced end organ injury...
April 1, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28520765/an-integrative-analysis-of-tissue-specific-transcriptomic-and-metabolomic-responses-to-short-term-dietary-methionine-restriction-in-mice
#20
Sujoy Ghosh, Laura A Forney, Desiree Wanders, Kirsten P Stone, Thomas W Gettys
Dietary methionine restriction (MR) produces a coordinated series of transcriptional responses in peripheral tissues that limit fat accretion, remodel lipid metabolism in liver and adipose tissue, and improve overall insulin sensitivity. Hepatic sensing of reduced methionine leads to induction and release of fibroblast growth factor 21 (FGF21), which acts centrally to increase sympathetic tone and activate thermogenesis in adipose tissue. FGF21 also has direct effects in adipose to enhance glucose uptake and oxidation...
2017: PloS One
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