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https://www.readbyqxmd.com/read/28922859/spatial-embryonic-origin-delineates-gabaergic-hub-neurons-driving-network-dynamics-in-the-developing-entorhinal-cortex
#1
Laura Mòdol, Vitor Hugo Sousa, Arnaud Malvache, Thomas Tressard, Agnes Baude, Rosa Cossart
Coordinated neuronal activity is essential for the development of cortical circuits. GABAergic hub neurons that function in orchestrating early neuronal activity through a widespread net of postsynaptic partners are therefore critical players in the establishment of functional networks. Evidence for hub neurons was previously found in the hippocampus, but their presence in other cortical regions remains unknown. We examined this issue in the entorhinal cortex, an initiation site for coordinated activity in the neocortex and for the activity-dependent maturation of the entire entorhinal-hippocampal network...
September 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28922354/reconstructing-promoter-activity-from-lux-bioluminescent-reporters
#2
Mudassar Iqbal, Neil Doherty, Anna M L Page, Saara N A Qazi, Ishan Ajmera, Peter A Lund, Theodore Kypraios, David J Scott, Philip J Hill, Dov J Stekel
The bacterial Lux system is used as a gene expression reporter. It is fast, sensitive and non-destructive, enabling high frequency measurements. Originally developed for bacterial cells, it has also been adapted for eukaryotic cells, and can be used for whole cell biosensors, or in real time with live animals without the need for euthanasia. However, correct interpretation of bioluminescent data is limited: the bioluminescence is different from gene expression because of nonlinear molecular and enzyme dynamics of the Lux system...
September 18, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28922315/validation-of-fear-of-falling-and-balance-confidence-assessment-scales-in-persons-with-dystonia
#3
M J Boyce, L Lam, F Chang, N Mahant, V S C Fung, L Bradnam
BACKGROUND AND PURPOSE: Falls are problematic for people living with neurological disorders and a fear of falling can impact on actual falls. Fear of falling is commonly assessed using the Falls Self-Efficacy Scale International (FES-I) or the Activities-specific Balance Confidence (ABC) Scale. These scales can predict risk of falling. We aimed to validate the FES-I and the ABC in persons with dystonia. METHODS: We conducted an online survey of people with dystonia, collecting information on demographics, 6-month falls history, dystonia disability, and the FES-I and ABC scales...
October 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28922182/the-use-of-the-model-of-occupational-self-efficacy-in-improving-the-cognitive-functioning-of-individuals-with-brain-injury-a-pre-and-post-intervention-study
#4
Shaheed Soeker
BACKGROUND: Individuals diagnosed with a Traumatic Brain Injury (TBI) often experience major limitations in returning to work despite participating in rehabilitation programmes. OBJECTIVE: The aim of the study was to determine whether individuals who sustained a traumatic brain injury experienced improved cognitive functioning after participating in an intervention programme that utilizes the Model of Occupational Self-Efficacy (MOOSE). PARTICIPANTS: Ten (10) individuals who were diagnosed with a mild to moderate brain injury participated in the study...
September 14, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28922074/breast-cancer-survivors-perceptions-of-participating-in-a-supervised-exercise-intervention-an-exploratory-review-of-the-literature
#5
Leanne Livsey, Kiara Lewis
BACKGROUND: Despite the reported beneficial effects of physical activity (PA) during and after cancer diagnosis, current research data suggest that the percentages of breast cancer survivors who adhere to PA recommendations are low. The aim of the present systematic, critical review was to identify, analyze and provide a summary of qualitative literature findings, which have explored breast cancer survivors' experiences of participating in an exercise/PA intervention after cancer treatment...
September 18, 2017: Women & Health
https://www.readbyqxmd.com/read/28922016/high-degree-of-variability-in-reporting-of-clinical-and-patient-reported-outcomes-after-hip-arthroscopy
#6
Austin V Stone, Cale A Jacobs, T David Luo, Molly C Meadows, Shane J Nho, Allston J Stubbs, Eric C Makhni
BACKGROUND: Hip arthroscopy for the treatment of intra-articular pathology is a rapidly expanding field. Outcome measures should be reported to document the efficacy of arthroscopic procedures; however, the most effective outcome measures are not established. PURPOSE: To evaluate the variability in outcomes reported after hip arthroscopy and to compare the responsiveness of patient-reported outcome (PRO) instruments. STUDY DESIGN: Systematic review...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28921765/assessing-fire-impacts-on-the-carbon-stability-of-fire-tolerant-forests
#7
Lauren T Bennett, Matthew J Bruce, Josephine Machunter, Michele Kohout, Saravanan Jangammanaidu Krishnaraj, Cristina Aponte
The carbon stability of fire-tolerant forests is often assumed but less frequently assessed, limiting potential to anticipate threats to forest carbon posed by predicted increases in forest fire activity. Assessing the carbon stability of fire-tolerant forests requires multi-indicator approaches that recognise the myriad of ways that fires influence the carbon balance including combustion, deposition of pyrogenic material, and tree death, post-fire decomposition, recruitment, and growth. Five years after a large-scale wildfire in south-eastern Australia, we assessed the impacts of low- and high-severity wildfire, with and without prescribed fire (≤ 10 years before), on carbon stocks in multiple pools, and on carbon stability indicators (carbon stock percentages in live trees and in small trees, and carbon stocks in char and fuels) in fire-tolerant eucalypt forests...
September 16, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28921549/%C3%AE-flucs-brighter-photinus-pyralis-firefly-luciferases-identified-by-surveying-consecutive-single-amino-acid-deletion-mutations-in-a-thermostable-variant
#8
Lisa M Halliwell, Amit P Jathoul, Jack P Bate, Harley L Worthy, James C Anderson, Dafydd D Jones, James A H Murray
The bright bioluminescence catalysed by Photinus pyralis firefly luciferase (Fluc) enables a vast array of life science research such as bioimaging in live animals and sensitive in vitro diagnostics. The effectiveness of such applications is improved using engineered enzymes that to date have been constructed using amino acid substitutions. We describe ΔFlucs: consecutive single amino acid deletion mutants within 6 loop structures of the bright and thermostable x11 Fluc. Deletion mutations are a promising avenue to explore new sequence and functional space and isolate novel mutant phenotypes...
September 16, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28921474/origins-of-phantom-limb-pain
#9
Damien P Kuffler
Phantom limb pain (PLP) is a chronic neuropathic pain occurring in 45-85% of patients who undergo major amputations of the upper and lower extremities. Chronic pain is physically and mentally debilitating, affecting an individual's potential for self-care and the performance of daily living activities essential for personal and economic independence. In addition, chronic pain may lead to depression and feelings of hopelessness. A National Center for Biotechnology Information study found that in the USA alone, the annual cost of dealing with neuropathic pain is more than $600 billion, with an estimated 20 million people in the USA suffering this condition...
September 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28921038/efficacy-and-safety-of-tacrolimus-for-myasthenia-gravis-a-systematic-review-and-meta-analysis
#10
REVIEW
Liang Wang, Suxian Zhang, Jianying Xi, Wenhui Li, Lei Zhou, Jun Lu, Jiahong Lu, Tiansong Zhang, Chongbo Zhao
To evaluate the efficacy and safety of tacrolimus in patients with myasthenia gravis (MG), a systematic review and meta-analysis was performed. We searched PubMed and Embase for randomized controlled trials and clinical controlled trials in English language. Demographic and clinical characteristics of the MG patients were extracted. Differences in the current glucocorticoids (GC) dose in each included study were the primary outcome measure. The adverse events reported in each included study were used as safety evaluation...
September 18, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28920890/exercise-in-patients-with-multiple-sclerosis
#11
REVIEW
Robert W Motl, Brian M Sandroff, Gert Kwakkel, Ulrik Dalgas, Anthony Feinstein, Christoph Heesen, Peter Feys, Alan J Thompson
Exercise can be a beneficial rehabilitation strategy for people with multiple sclerosis to manage symptoms, restore function, optimise quality of life, promote wellness, and boost participation in activities of daily living. However, this population typically engages in low levels of health-promoting physical activity compared with adults from the general population, a fact which has not changed in the past 25 years despite growing evidence of the benefits of exercise. To overcome this challenge, the main limitations to promoting exercise through the patient-clinician interaction must be addressed...
October 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28920558/i-shouldn-t-talk-of-medicine-only-biomedical-and-religious-frameworks-for-understanding-antiretroviral-therapies-their-invention-and-their-effects
#12
Angela Kelly-Hanku, Peter Aggleton, Patti Shih
Medical pluralism offers a long-standing means of analysing the different ways in which health and illness can be interpreted and responded to. It is not unusual for multiple health systems and meanings to co-exist at any one moment in time, offering different ways of understanding and responding to illness and disease. In addition to biomedical frameworks, religious beliefs offer another important means of facilitating healing. Based on qualitative interviews with 36 people living with HIV on antiretroviral therapies (ART) in Papua New Guinea (PNG), this paper examines the ways in which people bring together and synthesise religious and biomedical therapeutic approaches to the treatment and management of HIV...
September 16, 2017: Global Public Health
https://www.readbyqxmd.com/read/28920550/sit-to-stand-activity-during-stroke-rehabilitation
#13
Andy Kerr, Jesse Dawson, Chris Robertson, Philip Rowe, Terence J Quinn
Objectives The sit to stand (STS) movement is key to independence and commonly affected by stroke. Repetitive practice is likely to improve STS ability during rehabilitation, however current practice levels are unknown. The objective of this study was simply to count the number of STS movements performed during the rehabilitation period of stroke patients using a physical activity monitor (PAM) and test whether being observed altered outcome. Methods Participants were medically stable patients referred for rehabilitation following stroke...
September 18, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28920413/functional-role-of-forskolin-and-pd166285-in-the-development-of-denuded-mouse-oocytes
#14
Hongguo Cao, Yani Bian, Fei Zhang, Yunshu Tang, Caixia Li, Jiemei Chen, Xiaorong Zhang
Objective: cAMP and MPF play critical roles during the maturation of mammalian oocytes. The aim of this study was to produce the offspring from denuded oocytes in mice by regulating cAMP and MPF. Methods: In this study, we used DOs at the germinal vesicle (GV) stage in mice and regulated levels of cAMP and MPF in DOs by adding Forskolin and PD166285 during in vitro maturation (IVM) without FSH and LH respectively. Results: Combined use of 50 μM Forskolin for 3 h and 2...
September 18, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28920116/development-of-a-smart-activity-based-probe-to-detect-subcellular-activity-of-asparaginyl-endopeptidase-in-living-cells
#15
Jong-Ah Hong, Na-Eun Choi, Yeo-Kyoung La, Ho Yeon Nam, Jiwon Seo, Jiyoun Lee
We developed a smart activity-based probe that detects the activity of asparaginyl endopeptidase (AEP) in live cells to monitor the dynamics of enzyme regulation. The newly designed probe generated a turn-on fluorescence signal in response to the activity of AEP in living cells without compromising the labelling efficiency or selectivity. Our probe closely reflected the enzyme activity in its native state, detecting subcellular AEP activity in colon cancer cells and neuronal cells.
September 18, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28920102/does-the-aryl-hydrocarbon-receptor-regulate-pluripotency
#16
Chia-I Ko, Alvaro Puga
Recent evidence from embryonic stem cells suggests that the aryl hydrocarbon receptor (AHR) plays a central role in the regulation of pluripotency, a short-lived property of cells in the early blastula inner cell mass (ICM). Four key observations support this conclusion. The first is the temporal association between upregulation of AHR expression and the onset of cell differentiation, which argues for the AHR as a determinant of cell fate decisions. The second is the repression of the pluripotency factors OCT4 and NANOG by the AHR, which depresses their function and contributes to the cell's exit from pluripotency...
February 2017: Current Opinion in Toxicology
https://www.readbyqxmd.com/read/28920002/ep4-antagonism-by-e7046-diminishes-myeloid-immunosuppression-and-synergizes-with-treg-reducing-il-2-diphtheria-toxin-fusion-protein-in-restoring-anti-tumor-immunity
#17
Diana I Albu, Zichun Wang, Kuan-Chun Huang, Jiayi Wu, Natalie Twine, Sarah Leacu, Christy Ingersoll, Lana Parent, Winnie Lee, Diana Liu, Renee Wright-Michaud, Namita Kumar, Galina Kuznetsov, Qian Chen, Wanjun Zheng, Kenichi Nomoto, Mary Woodall-Jappe, Xingfeng Bao
Reprogramming of immunosuppressive tumor microenvironment (TME) by targeting alternatively activated tumor associated macrophages (M2TAM), myeloid-derived suppressor cells (MDSC), and regulatory T cells (Tregs), represents a promising strategy for developing novel cancer immunotherapy. Prostaglandin E2 (PGE2), an arachidonic acid pathway metabolite and mediator of chronic inflammation, has emerged as a powerful immunosuppressor in the TME through engagement with one or more of its 4 receptors (EP1-EP4). We have developed E7046, an orally bioavailable EP4-specific antagonist and show here that E7046 has specific and potent inhibitory activity on PGE2-mediated pro-tumor myeloid cell differentiation and activation...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919991/umbilical-cord-blood-cd34-progenitor-derived-nk-cells-efficiently-kill-ovarian-cancer-spheroids-and-intraperitoneal-tumors-in-nod-scid-il2rg-null-mice
#18
Janneke S Hoogstad-van Evert, Jeannette Cany, Dirk van den Brand, Manon Oudenampsen, Roland Brock, Ruurd Torensma, Ruud L Bekkers, Joop H Jansen, Leon F Massuger, Harry Dolstra
Adoptive transfer of allogeneic natural killer (NK) cells is an attractive therapy approach against ovarian carcinoma. Here, we evaluated the potency of highly active NK cells derived from human CD34+ haematopoietic stem and progenitor cells (HSPC) to infiltrate and mediate killing of human ovarian cancer spheroids using an in vivo-like model system and mouse xenograft model. These CD56+Perforin+ HSPC-NK cells were generated under stroma-free conditions in the presence of StemRegenin-1, IL-15, and IL-12, and exerted efficient cytolytic activity and IFNγ production toward ovarian cancer monolayer cultures...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919745/dose-and-time-effect-of-cdte-quantum-dots-on-antioxidant-capacities-of-the-liver-and-kidneys-in-mice
#19
Jilong Wang, Hubo Sun, Peijun Meng, Mengmeng Wang, Mi Tian, Yamin Xiong, Xueying Zhang, Peili Huang
Although quantum dot (QD)-induced toxicity occurs due to free radicals, generation of oxidative stress mediated by reactive oxygen species (ROS) formation is considered an important mechanism. However, free radical mechanisms are essentially difficult to elucidate at the molecular level because most biologically relevant free radicals are highly reactive and short-lived, making them difficult to directly detect, especially in vivo. Antioxidants play an important role in preventing or, in most cases, limiting the damage caused by ROS...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28919728/chronic-obstructive-pulmonary-disease-with-mild-airflow-limitation-current-knowledge-and-proposal-for-future-research-a-consensus-document-from-six-scientific-societies
#20
REVIEW
Andrea Rossi, Bojana Butorac-Petanjek, Marco Chilosi, Borja G Cosío, Matjaz Flezar, Nikolaos Koulouris, José Marin, Neven Miculinic, Guido Polese, Miroslav Samaržija, Sabina Skrgat, Theodoros Vassilakopoulos, Andrea Vukić-Dugac, Spyridon Zakynthinos, Marc Miravitlles
Chronic obstructive pulmonary disease (COPD) is a leading cause of mortality and morbidity worldwide, with high and growing prevalence. Its underdiagnosis and hence under-treatment is a general feature across all countries. This is particularly true for the mild or early stages of the disease, when symptoms do not yet interfere with daily living activities and both patients and doctors are likely to underestimate the presence of the disease. A diagnosis of COPD requires spirometry in subjects with a history of exposure to known risk factors and symptoms...
2017: International Journal of Chronic Obstructive Pulmonary Disease
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