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balance ability

Abby Eitzen, Marcia Finlayson, Leanne Carolan-Laing, Arthur Junn Nacionales, Christie Walker, Josephine O'Connor, Miho Asano, Susan Coote
PURPOSE: The purpose of this study was to identify potential items for an observational screening tool to assess safe, effective and appropriate walking aid use among people with multiple sclerosis (MS). Such a tool is needed because of the association between fall risk and mobility aid use in this population. METHODS: Four individuals with MS were videotaped using a one or two straight canes, crutches or a rollator in different settings. Seventeen health care professionals from Canada, Ireland and the United States were recruited, and viewed the videos, and were then interviewed about the use of the devices by the individuals in the videos...
October 20, 2016: Disability and Rehabilitation. Assistive Technology
Azam Moshtaghi, Md Lifat Rahi, Viet Tuan Nguyen, Peter B Mather, David A Hurwood
BACKGROUND: Understanding the genomic basis of osmoregulation (candidate genes and/or molecular mechanisms controlling the phenotype) addresses one of the fundamental questions in evolutionary ecology. Species distributions and adaptive radiations are thought to be controlled by environmental salinity levels, and efficient osmoregulatory (ionic balance) ability is the main mechanism to overcome the problems related to environmental salinity gradients. METHODS: To better understand how osmoregulatory performance in freshwater (FW) crustaceans allow individuals to acclimate and adapt to raised salinity conditions, here we (i), reviewed the literature on genes that have been identified to be associated with osmoregulation in FW crustaceans, and (ii), performed a transcriptomic analysis using cDNA libraries developed from mRNA isolated from three important osmoregulatory tissues (gill, antennal gland, hepatopancreas) and total mRNA from post larvae taken from the freshwater prawn, Macrobrachium australiense using Illumina deep sequencing technology...
2016: PeerJ
Zaleha Shafiei, Zubaidah Haji Abdul Rahim, Koshy Philip, Nalina Thurairajah
BACKGROUND: Plant extracts mixture (PEM) and its individual constituent plant extracts(Psidium sp., Mangifera sp., Mentha sp.) are known to have an anti-adhering effect towards oral bacteria in the single-species biofilm. To date, the adhering ability of the early and late plaque colonisers (Streptococcus sanguinis and Streptococcus mutans) to PEM-treated experimental pellicle have not been investigated in dual-species biofilms. METHODS: Fresh leaves of these plants were used in the preparation of the respective aqueous extract decoctions...
2016: PeerJ
P Sławuta, G Sapikowski, B Sobieraj
: Buffer systems of blood and tissues, which have the ability to bind with and give up hydrogen ions, participate in maintaining the acid-base balance (ABB) of the organism. According to the classic model, the system of carbonic acid and bicarbonates, where the first component serves the role of an acid and the second a base, determines plasma pH. The so-called Stewart model, which assumes that ions in blood serum can be separated into completely dissociated - nonbuffer and not dissociated - buffer ions which may give up or accept H+ions, also describes the ABB of the organism...
September 1, 2016: Polish Journal of Veterinary Sciences
Sarah Tessier, Natalia Martin-Martin, Hugues de Thé, Arkaitz Carracedo, Valerie Lallemand-Breitenbach
SIGNIFICANCE: Cellular metabolic activity impacts on the production of reactive oxygen species (ROS), both positively through mitochondrial oxidative processes and negatively by promoting the production of reducing agents (including NADPH and reduced glutathione). A defined metabolic state in cancer cells is critical for cell growth and long-term self-renewal, and such state is intrinsically associated to redox balance. Promyelocytic leukemia protein (PML) regulates several biological processes, at least in part through its ability to control the assembly of PML Nuclear Bodies (PML NBs)...
October 19, 2016: Antioxidants & Redox Signaling
Leila Rooshenas, Daisy Elliott, Julia Wade, Marcus Jepson, Sangeetha Paramasivan, Sean Strong, Caroline Wilson, David Beard, Jane M Blazeby, Alison Birtle, Alison Halliday, Chris A Rogers, Rob Stein, Jenny L Donovan
BACKGROUND: Randomised controlled trials (RCTs) are essential for evidence-based medicine and increasingly rely on front-line clinicians to recruit eligible patients. Clinicians' difficulties with negotiating equipoise is assumed to undermine recruitment, although these issues have not yet been empirically investigated in the context of observable events. We aimed to investigate how clinicians conveyed equipoise during RCT recruitment appointments across six RCTs, with a view to (i) identifying practices that supported or hindered equipoise communication and (ii) exploring how clinicians' reported intentions compared with their actual practices...
October 2016: PLoS Medicine
Jijo Pottackal Mathai, Asha Yathiraj
OBJECTIVES: The purpose of the study was to explore the effect of intensity on speech perception in individuals with late-onset auditory neuropathy spectrum disorder (ANSD) by obtaining their performance-intensity (PI) function. Additionally, the study investigated the effect of PI function on aided speech perception. It was hypothesized that speech perception abilities of individuals with ANSD vary with intensity and may provide information regarding their aided performance. DESIGN: A factorial research design was used to obtain the PI function and aided performance...
October 13, 2016: Ear and Hearing
Zhanna Kobalava
The burden of cardiovascular diseases (CVD) in general and heart failure (HF) in particular continues to increase worldwide. CVD are major contributors to death and morbidity and recognized as important drivers of healthcare expenditure. Chronic overactivity of the renin-angiotensin-aldosterone system (RAAS) plays a key role in human hypertension and HF pathophysiology. RAAS is fundamental in the overall regulation of cardiovascular homeostasis through the actions of hormones, which regulate vascular tone, and specifically blood pressure through vasoconstriction and renal sodium and water retention...
September 2016: Journal of Hypertension
Nikolaus E Wolter, Sharon L Cushing, Luis D Vilchez Madrigal, Adrian L James, Jennifer Campos, Blake C Papsin, Karen A Gordon
OBJECTIVE: To determine if children with unilateral sensorineural hearing loss (UHL) demonstrate impaired balance compared with their normal hearing (NH) peers. STUDY DESIGN: Prospective, case-control study. METHODS: Balance was assessed in14 UHL and 14 NH children using the Bruininks-Oseretsky Test-2 (BOT-2) and time to fall (TTF) in an immersive, virtual-reality laboratory. Postural control was quantified by center of pressure (COP) using force plates...
September 30, 2016: Otology & Neurotology
Gordon D Logan, Jana E Ulrich, Dakota R B Lindsey
Fine motor skills like typing involve a mapping problem that trades Fitts' law against Hick's law. Eight fingers have to be mapped onto 26 keys. Movement time increases with distance, so Fitts' law is optimized by recruiting more fingers. Choice difficulty increases with the number of alternatives, so Hick's law is optimized by recruiting fewer fingers. The effect of the number of alternatives decreases with consistent practice, so skilled typists achieve a balance between Fitts' law and Hick's law through learning...
October 17, 2016: Journal of Experimental Psychology. Human Perception and Performance
Shuguang Chen, Hailang Jia, Mengxi Zheng, Kang Shen, Hegen Zheng
Herein we prepare four novel D-π-A dyes based on triphenylamine (ZHG1, ZHG2, ZHG3 and ZHG4) by modifying the π-bridges. Compared with ZHG1, the power conversion efficiency (PCE) of ZHG2 is improved to 6.1% after the introduction of ethynyl. But further extension of the conjugation of the π-bridges by introducing the chromophore 4,8-bis(n-octyloxy)-benzo[1,2-b:4,5-b']dithiophene (BDT) into ZHG3 conversely decreases the PCE to 4.6%. Improving the coplanarity by replacing cyclobenzene with thiophene in ZHG4 after introducing BDT further decreases the PCE of ZHG4 to 4...
October 17, 2016: Physical Chemistry Chemical Physics: PCCP
Martina Starc, John D Murray, Nicole Santamauro, Aleksandar Savic, Caroline Diehl, Youngsun T Cho, Vinod Srihari, Peter T Morgan, John H Krystal, Xiao-Jing Wang, Grega Repovs, Alan Anticevic
Schizophrenia is associated with severe cognitive deficits, including impaired working memory (WM). A neural mechanism that may contribute to WM impairment is the disruption in excitation-inhibition (E/I) balance in cortical microcircuits. It remains unknown, however, how these alterations map onto quantifiable behavioral deficits in patients. Based on predictions from a validated microcircuit model of spatial WM, we hypothesized two key behavioral consequences: i) increased variability of WM traces over time, reducing performance precision; and ii) decreased ability to filter out distractors that overlap with WM representations...
October 10, 2016: Schizophrenia Research
S Ollier, F Beaudoin, N Vanacker, P Lacasse
When cows are unable to consume enough feed to support milk production, they often fall into severe negative energy balance. This leads to a weakened immune system and increases their susceptibility to infectious diseases. Reducing the milk production of cows subjected to acute nutritional stress decreases their energy deficit. The aim of this study was to compare the effects on metabolism and immune function of reducing milk production using quinagolide (a prolactin-release inhibitor) or dexamethasone in feed-restricted cows...
October 13, 2016: Journal of Dairy Science
Dae Young Yoo, Dae Won Kim, Jin Young Chung, Hyo Young Jung, Jong Whi Kim, Yeo Sung Yoon, In Koo Hwang, Jung Hoon Choi, Goang-Min Choi, Soo Young Choi, Seung Myung Moon
In the present study, we investigated the ability of Cu, Zn-superoxide dismutase (SOD1) to improve the therapeutic potential of adipose tissue-derived mesenchymal stem cells (Ad-MSCs) against ischemic damage in the spinal cord. Animals were divided into four groups: the control group, vehicle (PEP-1 peptide and artificial cerebrospinal fluid)-treated group, Ad-MSC alone group, and Ad-MSC-treated group with PEP-1-SOD1. The abdominal aorta of the rabbit was occluded for 30 min in the subrenal region to induce ischemic damage, and immediately after reperfusion, artificial cerebrospinal fluid or Ad-MSCs (2 × 10(5)) were administered intrathecally...
October 14, 2016: Neurochemical Research
A D Vaudo, D Stabler, H M Patch, J F Tooker, C M Grozinger, G A Wright
Bee population declines are linked to reduction of nutritional resources due to land-use intensification, yet we know little about the specific nutritional needs of many bee species. Pollen provides bees their primary source of protein and lipids, but nutritional quality varies widely among host-plant species. Therefore, bees may be adapted to assess resource quality and adjust their foraging behavior to balance nutrition from multiple food sources. We tested the ability of two bumble bee species, Bombus terrestris and B...
October 14, 2016: Journal of Experimental Biology
Edith Lahner, Bruno Annibale
Diverticular disease (DD) is a common gastrointestinal condition. Clinical spectrum ranges from asymptomatic diverticulosis to symptomatic uncomplicated or complicated DD. Symptoms related to uncomplicated DD are not specific and may be indistinguishable from those of irritable bowel syndrome. Low-grade inflammation, altered intestinal microbiota, visceral hypersensitivity, and abnormal colonic motility have been identified as factors potentially contributing to symptoms. Probiotics may modify the gut microbial balance leading to health benefits...
November 2016: Journal of Clinical Gastroenterology
Mingming Zhao, Caiyou Hu, Zhixin Wu, Yu Chen, Zhengming Li, Mingsheng Zhang
PURPOSE: To determine the effects of a new exercise training regimen, i.e. coordination and manipulation therapy (CMT), on motor, balance, and cardiac functions in patients with Parkinson disease (PD). MATERIALS AND METHODS: We divided 36 PD patients into the CMT (n = 22) and control (n = 14) groups. The patients in the CMT group performed dry-land swimming (imitation of the breaststroke) and paraspinal muscle stretching for 30 min/workday for 1 year. The control subjects did not exercise regularly...
October 14, 2016: International Journal of Neuroscience
Yukari Muguruma, Katsuto Hozumi, Hiroyuki Warita, Takashi Yahata, Tomoko Uno, Mamoru Ito, Kiyoshi Ando
Adult bone mass is maintained through a balance of the activities of osteoblasts and osteoclasts. Although Notch signaling has been shown to maintain bone homeostasis by controlling the commitment, differentiation, and function of cells in both the osteoblast and osteoclast lineages, the precise mechanisms by which Notch performs such diverse and complex roles in bone physiology remain unclear. By using a transgenic approach that modified the expression of delta-like 1 (DLL1) or Jagged1 (JAG1) in an osteoblast-specific manner, we investigated the ligand-specific effects of Notch signaling in bone homeostasis...
October 13, 2016: Journal of Cellular Physiology
Giulia Purpura, Francesca Fulceri, Vittoria Puglisi, Patrizia Masoni, Annarita Contaldo
BACKGROUND: Some research suggests that children with autism spectrum disorder (ASD) experience diverse motor difficulties that appear closely related to the severity of symptomatology, including repetitive behaviors. Therefore, motor assessment in ASD has crucial relevance in order to plan a specific intervention. The aim of this study is to assess and describe the motor functioning in school-aged children with ASD and to evaluate the relationship between their motor profile and clinical features...
October 12, 2016: Minerva Pediatrica
Sally A Abuelezz, Nevien Hendawy, Yosra Magdy
Depression is a major health problem in which oxidative stress and inflammation are inextricably connected in its pathophysiology. Coenzyme Q10 (CoQ10) is an important anti-oxidant compound with anti-inflammatory and neuro-protective properties. This study was designed to investigate the hypothesis that CoQ10 by its anti-oxidant and anti-inflammatory potentials can alleviate depressive- like behavior by restoring the balance of the tryptophan catabolites kynurenine/serotonin toward the serotonin pathway by down-regulation of hippocampal indoleamine 2,3-dioxygenase 1 (IDO-1)...
October 11, 2016: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
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