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https://www.readbyqxmd.com/read/28715596/influence-of-physical-exercise-on-%C3%AE-amyloid-%C3%AE-synuclein-and-tau-accumulation-an-in-vitro-model-of-oxidative-stress-in-human-red-blood-cells
#1
C Iofrida, S Daniele, D Pietrobono, J Fusi, F Galetta, M L Trincavelli, U Bonuccelli, F Franzoni, C Martini
A common pathological feature of neurodegenerative disorders (NDs), such as Alzheimer's (AD) and Parkinson's (PD) diseases, is the abnormal accumulation and misfolding of specific proteins, primarily α-synuclein (α-syn), β-amyloid1-42 (Aβ) and tau, in brain and in peripheral tissues too. Oxidative stress has been proved to be involved in NDs at various levels and, in particular, in such protein alterations, on the contrary physical activity is emerging as a counteracting factor in NDs. In the present work, the content of Aβ, α-syn and tau in red blood cells (RBCs) derived from ten endurance athletes (ATHL) and ten sedentary volunteers (SED) were compared before and after in vitrooxidative stress treatment...
July 1, 2017: Archives Italiennes de Biologie
https://www.readbyqxmd.com/read/28713483/the-treadmill-exercise-protects-against-dopaminergic-neuron-loss-and-brain-oxidative-stress-in-parkinsonian-rats
#2
Roberta Oliveira da Costa, Carlos Vinicius Jataí Gadelha-Filho, Ayane Edwiges Moura da Costa, Mariana Lima Feitosa, Dayane Pessoa de Araújo, Jalles Dantas de Lucena, Pedro Everson Alexandre de Aquino, Francisco Arnaldo Viana Lima, Kelly Rose Tavares Neves, Glauce Socorro de Barros Viana
Parkinson's disease (PD), a progressive neurological pathology, presents motor and nonmotor impairments. The objectives were to support data on exercise benefits to PD. Male Wistar rats were distributed into sham-operated (SO) and 6-OHDA-lesioned, both groups without and with exercise. The animals were subjected to treadmill exercises (14 days), 24 h after the stereotaxic surgery and striatal 6-OHDA injection. Those from no-exercise groups stayed on the treadmill for the same period and, afterwards, were subjected to behavioral tests and euthanized for neurochemical and immunohistochemical assays...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28705551/effects-of-progressive-resistance-training-on-cardiovascular-autonomic-regulation-in-patients-with-parkinson-s-disease-a-randomized-controlled-trial
#3
Hélcio Kanegusuku, Carla Silva-Batista, Tiago Peçanha, Alice Nieuwboer, Natan D Silva, Luiz A R Costa, Marco T de Mello, Maria E P Piemonte, Carlos Ugrinowitsch, Cláudia L M Forjaz
OBJECTIVE: To evaluate the effects of a progressive resistance training (RT) on cardiac autonomic modulation and on cardiovascular responses to autonomic stress tests in patients with Parkinson disease (PD). DESIGN: Randomized clinical trial. SETTING: The Brazilian Parkinson Association. PARTICIPANTS: 30 patients with PD (modified Hoehn and Yahr stages 2-3) were randomly divided into 2 groups: a progressive RT group (PDT) and a control group (PDC)...
July 10, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28694221/nordic-walking-for-the-management-of-people-with-parkinson-s-disease-a-systematic-review
#4
REVIEW
Lucia Cugusi, Andrea Manca, Daniele Dragone, Franca Deriu, Paolo Solla, Claudio Secci, Marco Monticone, Giuseppe Mercuro
BACKGROUND: It is well known that physical exercise is the main therapeutic element of rehabilitation programs for people with Parkinson's disease (PD). As traditional forms of exercise can guarantee significant health benefits, the emergence of non-conventional physical activities, such as Nordic walking (NW), may add positive effects. OBJECTIVE: To appraise the available evidence on the main effects of NW in the rehabilitation programs for people with PD and to propose a design for upcoming research that might improve the uniformity of future trials...
July 7, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28690019/evaluation-of-the-benefits-of-exercise-on-cognition-in-major-depressive-disorder
#5
REVIEW
Tracy L Greer, Jennifer L Furman, Madhukar H Trivedi
BACKGROUND: Cognitive impairment is increasingly recognized as a significant symptom in patients with major depressive disorder (MDD). While exercise is already recommended in many treatment guidelines for patients with MDD and has been shown to improve cognition in other disorders (e.g., Alzheimer's, Parkinson's, schizophrenia), limited research is available evaluating the effect of exercise on cognition in MDD. METHODS: We provide a narrative review of existing literature regarding the effect(s) of exercise on cognition across several neurodegenerative and psychiatric diseases, and particularly in MDD, with specific emphasis on study design and methodology that may impair adequate synthesis of the results...
July 6, 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/28673611/effects-of-curved-walking-training-on-curved-walking-performance-and-freezing-of-gait-in-individuals-with-parkinson-s-disease-a-randomized-controlled-trial
#6
Fang-Yu Cheng, Yea-Ru Yang, Yih-Ru Wu, Shih-Jung Cheng, Ray-Yau Wang
INTRODUCTION: The purpose of this study was to investigate the effects of curved-walking training (CWT) on curved-walking performance and freezing of gait (FOG) in people with Parkinson's disease (PD). METHODS: Twenty-four PD subjects were recruited and randomly assigned to the CWT group or control exercise (CE) group and received 12 sessions of either CWT with a turning-based treadmill or general exercise training for 30 min followed by 10 min of over-ground walking in each session for 4-6 weeks...
June 28, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28672806/phenotypic-discordance-in-siblings-with-identical-compound-heterozygous-park2-mutations
#7
David Isaacs, Daniel Claassen, Aaron B Bowman, Peter Hedera
PARK2 mutations are the most common cause of early-onset Parkinson's disease. No genotype-phenotype correlation exists, and phenotypic variability is quite common. We report two siblings with confirmed identical compound heterozygous mutations in the PARK2 gene manifesting strikingly different phenotypes. The older brother demonstrated marked parkinsonism by his mid-20's, whereas the younger brother developed exercise-induced dystonia in his mid-30's with no subsequent clinical progression, highlighting the clinical heterogeneity of the disease and implying the role of other genetic and/or environmental factors in disease progression...
June 24, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28660562/continuous-quantitative-monitoring-of-physical-activity-in-parkinson-s-disease-patients-by-using-wearable-devices-a-case-control-study
#8
Guoen Cai, Yujie Huang, Shan Luo, Zhirong Lin, Houde Dai, Qinyong Ye
The objective of this study was to explore the feasibility of using wearable devices to quantitatively measure the daily activity in patients with Parkinson's disease (PD) and to monitor medication-induced motor fluctuations. In this case-controlled study, we used monitored daily movement function in 21 patients with Parkinson's disease and 20 healthy volunteers. We analyzed the exercise types and sleep duration in the two groups and evaluated the correlation between daily movement function and age, gender, education, disease duration, Hohn-Yahr stage, UPDRS-II score, UPDRS-III score, and levodopa dose...
June 28, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28656548/treadmill-exercise-attenuates-%C3%AE-synuclein-levels-by-promoting-mitochondrial-function-and-autophagy-possibly-via-sirt1-in-the-chronic-mptp-p-induced-mouse-model-of-parkinson-s-disease
#9
Jung-Hoon Koo, Joon-Yong Cho
Accumulation of alpha-synuclein (α-Syn) is significantly correlated with the presence of progressive motor deficits, which is the main symptom of Parkinson's disease (PD). Although physical exercise reduces α-Syn levels, the molecular mechanisms by which physical exercise decreases α-Syn remain unclear. We hypothesized that treadmill exercise (TE) decreases α-Syn levels by improving mitochondrial function and promoting autophagy via the sirtuin-1 (SIRT1) signaling pathway in the chronic 1-methyl-1,2,3,6-tetrahydropyridine with probenecid (MPTP/P)-induced mouse model of PD...
June 27, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28654939/speech-versus-speaking-the-experiences-of-people-with-parkinson-s-disease-and-implications-for-intervention
#10
Kathryn Yorkston, Carolyn Baylor, Deanna Britton
Purpose: In this project, we explore the experiences of people who report speech changes associated with Parkinson's disease as they describe taking part in everyday communication situations and report impressions related to speech treatment. Method: Twenty-four community-dwelling adults with Parkinson's disease took part in face-to-face, semistructured interviews. Qualitative research methods were used to code and develop themes related to the interviews. Results: Two major themes emerged...
June 22, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28640632/gut-microbiota-nitric-oxide-and-microglia-as-prerequisites-for-neurodegenerative-disorders
#11
Joyce K Y Tse
Regulating fluctuating endogenous nitric oxide (NO) levels is necessary for proper physiological functions. Aberrant NO pathways are implicated in a number of neurological disorders, including Alzheimer's disease (AD) and Parkinson's disease. The mechanism of NO in oxidative and nitrosative stress with pathological consequences involves reactions with reactive oxygen species (e.g., superoxide) to form the highly reactive peroxynitrite, hydrogen peroxide, hypochloride ions and hydroxyl radical. NO levels are typically regulated by endogenous nitric oxide synthases (NOS), and inflammatory iNOS is implicated in the pathogenesis of neurodegenerative diseases, in which elevated NO mediates axonal degeneration and activates cyclooxygenases to provoke neuroinflammation...
July 7, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28632108/swallowing-in-parkinson-s-disease-clinical-issues-and-management
#12
Nick Miller
Changes to swallowing affect most people with Parkinson's disease (PD). Changes may not initially exercise a decisive impact, but can later pose significant threats to nutritional, hydration and respiratory health and psychosocial quality of life. This review, from a largely clinical viewpoint, outlines the nature of changes in PD and considers the issue of how many people are affected and in what ways. It outlines main approaches to assessment and management, with an emphasis on aspects relevant to PD. Dysphagia contributes to drooling in PD...
June 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/28627861/effectiveness-of-aquatic-therapy-for-the-control-of-pain-and-increased-functionality-in-people-with-parkinson-s-disease-a-randomized-clinical-trial
#13
Sagrario Pérez de la Cruz
BACKGROUND: Gait, balance disorders and pain associated with Parkinson's disease represent important therapeutic challenges, as they are related with an increased risk of falls, together with disability and physical decline. AIM: To compare the effects of an aquatic Ai Chi training program on the perception of pain, the maintenance of balance and the functional independence of patients with Parkinson's disease. DESIGN: A single-blind randomized controlled trial...
June 19, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28621015/perturbation-based-balance-training-for-falls-reduction-among-older-adults-current-evidence-and-implications-for-clinical-practice
#14
REVIEW
Marissa H G Gerards, Christopher McCrum, Avril Mansfield, Kenneth Meijer
Falls are a leading cause of injury, hospitalization and even death among older adults. Although various strength and balance exercise interventions have shown moderate reductions in falls incidence among healthy older adults, no significant falls incidence improvements have been consistently seen in frail older adults or in patient groups with an increased falls risk (e.g. people with Parkinson's disease and stroke). This might be due to a lack of task specificity of previous exercise interventions to the recovery actions required to prevent a fall...
June 16, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28615996/international-society-of-sports-nutrition-position-stand-safety-and-efficacy-of-creatine-supplementation-in-exercise-sport-and-medicine
#15
REVIEW
Richard B Kreider, Douglas S Kalman, Jose Antonio, Tim N Ziegenfuss, Robert Wildman, Rick Collins, Darren G Candow, Susan M Kleiner, Anthony L Almada, Hector L Lopez
Creatine is one of the most popular nutritional ergogenic aids for athletes. Studies have consistently shown that creatine supplementation increases intramuscular creatine concentrations which may help explain the observed improvements in high intensity exercise performance leading to greater training adaptations. In addition to athletic and exercise improvement, research has shown that creatine supplementation may enhance post-exercise recovery, injury prevention, thermoregulation, rehabilitation, and concussion and/or spinal cord neuroprotection...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28602515/the-impact-of-tai-chi-and-qigong-mind-body-exercises-on-motor-and-non-motor-function-and-quality-of-life-in-parkinson-s-disease-a-systematic-review-and-meta-analysis
#16
REVIEW
R Song, W Grabowska, M Park, K Osypiuk, G P Vergara-Diaz, P Bonato, J M Hausdorff, M Fox, L R Sudarsky, E Macklin, P M Wayne
PURPOSE: To systematically evaluate and quantify the effects of Tai Chi/Qigong (TCQ) on motor (UPDRS III, balance, falls, Timed-Up-and-Go, and 6-Minute Walk) and non-motor (depression and cognition) function, and quality of life (QOL) in patients with Parkinson's disease (PD). METHODS: A systematic search in 7 electronic databases targeted clinical studies evaluating TCQ for individuals with PD published through August 2016. Meta-analysis was used to estimate effect sizes (Hedges's g) and publication bias for randomized controlled trials (RCTs)...
May 25, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28579759/a-randomized-trial-of-individual-versus-group-format-exercise-and-self-management-in-individuals-with-parkinson-s-disease-and-comorbid-depression
#17
Martha Sajatovic, Angela L Ridgel, Ellen M Walter, Curtis M Tatsuoka, Kari Colón-Zimmermann, Riane K Ramsey, Elisabeth Welter, Steven A Gunzler, Christina M Whitney, Benjamin L Walter
BACKGROUND: Depression is common in people with Parkinson's disease (PD), and exercise is known to improve depression and PD. However, lack of motivation and low self-efficacy can make exercise difficult for people with PD and comorbid depression (PD-Dep). A combined group exercise and chronic disease self-management (CDSM) program may improve the likeli-hood that individuals will engage in exercise and will show a reduction in depression symptoms. The purpose of this study was to compare changes in depression in PD-Dep between individual versus group exercise plus CDSM and to examine participant adherence and perception of the interventions...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28579506/does-perturbation-training-prevent-falls-after-discharge-from-stroke-rehabilitation-a-prospective-cohort-study-with-historical-control
#18
Avril Mansfield, Alison Schinkel-Ivy, Cynthia J Danells, Anthony Aqui, Raabeae Aryan, Louis Biasin, Vincent G DePaul, Elizabeth L Inness
BACKGROUND: Individuals with stroke fall frequently, and no exercise intervention has been shown to prevent falls post stroke. Perturbation-based balance training (PBT), which involves practicing reactions to instability, shows promise for preventing falls in older adults and individuals with Parkinson's disease. This study aimed to determine if PBT during inpatient stroke rehabilitation can prevent falls after discharge into the community. METHODS: Individuals with subacute stroke completed PBT as part of routine inpatient rehabilitation (n = 31)...
June 1, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28552054/neurotoxicity-of-insecticides
#19
Julien Cassereau, Marc Ferré, Arnaud Chevrollier, Philippe Codron, Christophe Verny, Chadi Homedan, Guy Lenaers, Vincent Procaccio, Pascale May-Panloup, Pascal Reynier
BACKGROUND: Human exposure to insecticides raises serious public health concerns worldwide. Insecticides constitute a wide-ranging heterogeneous group of chemicals, most of which target the nervous system and disrupt neurometabolism and/or neurotransmission. Although the acute effects of insecticide poisoning in humans are well documented, the chronic and long-term effects remain difficult to investigate. OBJECTIVES AND METHOD: We sought to review the present state-of-knowledge of acute, chronic, neurodevelopmental and neurological consequences of human exposure to insecticides...
May 26, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28547999/a-long-term-self-managed-handwriting-intervention-for-people-with-parkinson-s-disease-results-from-the-control-group-of-a-phase-ii-randomized-controlled-trial
#20
Johnny Collett, Marloes Franssen, Charlotte Winward, Hooshang Izadi, Andy Meaney, Wala Mahmoud, Marko Bogdanovic, Martin Tims, Derick Wade, Helen Dawes
OBJECTIVE: To report on the control group of a trial primarily designed to investigate exercise for improving mobility in people with Parkinson's disease (pwP). The control group undertook a handwriting intervention to control for attention and time spent practising a specific activity. DESIGN: Secondary analysis of a two-arm parallel phase II randomized controlled trial with blind assessment. SETTING: Community. PARTICIPANTS: PwP able to walk ⩾100 m and with no contraindication to exercise were recruited from the Thames Valley, UK, and randomized (1:1) to exercise or handwriting, via a concealed computer-generated list...
May 1, 2017: Clinical Rehabilitation
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