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Alzheimers and exercise

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https://www.readbyqxmd.com/read/29154278/effects-of-physical-exercise-on-alzheimer-s-disease-biomarkers-a-systematic-review-of-intervention-studies
#1
Kristian Steen Frederiksen, Le Gjerum, Gunhild Waldemar, Steen Gregers Hasselbalch
Physical exercise may be an important adjunct to pharmacological treatment of Alzheimer's disease (AD). Animal studies indicate that exercise may be disease modifying through several mechanisms including reduction of AD pathology. We carried out a systematic review of intervention studies of physical exercise with hippocampal volume (on MRI), amyloid-β, total tau, phosphorylated tau in cerebrospinal fluid (CSF), 18F-FDG-PET or amyloid PET as outcome measures in healthy subjects, patients with subjective memory complaints, mild cognitive impairment, or AD...
November 16, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29141548/cognitive-training-in-patients-with-alzheimer-s-disease-findings-of-a-12-month-randomized-controlled-trial
#2
Alessandro Trebbastoni, Letizia Imbriano, Livia Podda, Lidia Rendace, Maria Luisa Sacchetti, Alessandra Campanelli, Fabrizia D Antonio, Carlo de Lena
BACKGROUND: Cognitive training (CT) is a non-pharmacological intervention based on a set of tasks that reflect specific cognitive functions. CT is aimed at improving cognition in patients with cognitive impairment, though no definitive conclusions have yet been drawn on its efficacy in Alzheimer's disease (AD). OBJECTIVE: To assess the effectiveness of a CT program designed to improve cognition in AD patients. METHOD: This is a randomized, controlled, single-blind, longitudinal trial with a no-treatment control condition in mild-to-moderate AD...
November 12, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/29136094/effects-of-multidomain-lifestyle-intervention-omega-3-supplementation-or-their-combination-on-physical-activity-levels-in-older-adults-secondary-analysis-of-the-multidomain-alzheimer-preventive-trial-mapt-randomised-controlled-trial
#3
Philipe de Souto Barreto, Yves Rolland, Matteo Cesari, Charlotte Dupuy, Sandrine Andrieu, Bruno Vellas
Background/objectives: to investigate the effects of a 3-year multidomain lifestyle intervention, omega-3 supplementation or both on physical activity (PA) in older adults with subjective memory complaints. Design/settings/subjects: the Multidomain Alzheimer Preventive Trial was a 3-year randomised controlled trial that enroled 1,680 community-dwelling adults aged 70 years or over, with subjective memory complaints. Participants were randomised to omega-3 supplementation (total daily dose of 800 mg docosahexanoic acid and up to 225 mg eicosapentanoic acid), multidomain intervention (nutritional and exercise counselling and cognitive training), omega-3 plus multidomain intervention or placebo with usual care...
November 10, 2017: Age and Ageing
https://www.readbyqxmd.com/read/29135358/training-area-agencies-on-aging-case-managers-to-improve-physical-function-mood-and-behavior-in-persons-with-dementia-and-caregivers-examples-from-the-rdad-northwest-study
#4
Susan M McCurry, Rebecca G Logsdon, Kenneth C Pike, David M LaFazia, Linda Teri
The Reducing Disability in Alzheimer's Disease (RDAD) program has been shown to be an effective tool for teaching caregivers strategies to improve mood, behavior, and physical function in persons with dementia. This paper describes how RDAD has been translated and implemented for use by Area Agencies on Aging (AAA) case managers across Washington and Oregon. Modifications to the original RDAD program as part of its community translation included decreasing the number of in-person sessions while preserving all educational content; involving caregivers in exercise activities for themselves as well as acting as exercise coaches for care-receivers; and enrolling persons with cognitive impairment due to mixed etiologies...
November 14, 2017: Journal of Gerontological Social Work
https://www.readbyqxmd.com/read/29130020/what-do-we-know-from-clinical-trials-on-exercise-and-alzheimer-s-disease
#5
Yong Shen, Rena Li
Alzheimer's disease (AD) is the most common form of dementia in elderly with major symptoms of a general term for memory loss and other intellectual abilities impairment which are serious enough to interfere with daily life. While there is no treatment can prevent and revise the cognitive function impairment in AD, physical activity becomes a potential beneficial intervention for AD. Multiple evidences suggested that exercise in general plays beneficial roles in improving brain function. Most common mechanisms of exercise-induced enhancement of brain function are including alteration of neurogenesis, neuron plasticity, neuronal signaling and receptors, as well as neuronal networks...
December 2016: Journal of Sport and Health Science
https://www.readbyqxmd.com/read/29128320/exercise-decreases-bace-and-app-levels-in-the-hippocampus-of-a-rat-model-of-alzheimer-s-disease
#6
Karim A Alkadhi, An T Dao
We investigated the effect of treadmill exercise training on the levels of Alzheimer's disease (AD)-related protein molecules in the DG and CA1 areas of a rat model of AD, i.c.v. infusion of Aβ1-42 peptide, 2weeks (250pmol/day). Aβ infusion markedly increased protein levels of amyloid precursor protein (APP), the secretase beta-site APP cleaving enzyme-1 (BACE-1) and Aβ in the CA1 and DG areas. The results also revealed that 4weeks of treadmill exercise prevented the increase in the levels of APP, BACE-1 and Aβ proteins in both hippocampal areas...
November 8, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29119954/-the-role-of-dosed-walking-in-the-combination-with-elements-of-cognitive-training-in-the-comprehensive-treatment-of-the-patients-presenting-with-alzheimer-s-disease
#7
N A Zimushkina, P V Kosareva, V G Cherkasova
AIM: The objective of the present study was to evaluate the effectiveness of dosed physical exercises for the combined treatment of the patients presenting with mild to moderate dementia associated with Alzheimer's disease (AD). MATERIAL AND METHODS: The comprehensive examination involved 41 patients (32 women and 9 men) with the confirmed diagnosis of 'probable' AD with stages 1 and 2 of dementia and 17 healthy volunteers comprising the group of comparison. In all the patients, the neurological examination was supplemented by neuropsychological testing...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29113468/hippocampal-cholinergic-neurostimulating-peptide-as-a-possible-modulating-factor-against-glutamatergic-neuronal-disability-by-amyloid-oligomers
#8
Toyohiro Sato, Yoshiaki Ohi, Daisuke Kato, Masayuki Mizuno, Hiroshi Takase, Tetsuko Kanamori, Cesar V Borlongan, Akira Haji, Noriyuki Matsukawa
Despite having pathological changes in the brain associated with Alzheimer's disease (AD), some patients have preserved cognitive function. A recent epidemiological study has shown that diet, exercise, cognitive training, and vascular risk monitoring interventions may reduce cognitive decline in at-risk elderly people in the general population. However, the details of molecular mechanisms underlying this cognitive function preservation are still unknown. Previous reports have demonstrated that enriched environments prevent the impairment of hippocampal long-term potentiation (LTP) through β2-adrenergic signals, when LTP is incompletely suppressed by synthetic amyloid-β (Aβ) oligomers...
September 2017: Cell Transplantation
https://www.readbyqxmd.com/read/29096630/trajectories-of-physical-function-prior-to-death-and-brain-neuropathology-in-a-community-based-cohort-the-act-study
#9
Andrea Z LaCroix, Rebecca A Hubbard, Shelly L Gray, Melissa L Anderson, Paul K Crane, Joshua A Sonnen, Oleg Zaslavsky, Eric B Larson
BACKGROUND: Mechanisms linking cognitive and physical functioning in older adults are unclear. We sought to determine whether brain pathological changes relate to the level or rate of physical performance decline. METHODS: This study analyzed data from 305 participants in the autopsy subcohort of the prospective Adult Changes in Thought (ACT) study. Participants were aged 65+ and free of dementia at enrollment. Physical performance was measured at baseline and every two years using the Short Physical Performance Battery (SPPB)...
November 2, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/29077855/increased-brain-glucose-uptake-following-12-weeks-of-aerobic-high-intensity-interval-training-in-young-and-older-adults
#10
Matthew M Robinson, Val J Lowe, K Sreekumaran Nair
Context: Aerobic exercise training can increase brain volume and blood flow, but the impact on brain metabolism is less known. Objective: We determined whether high-intensity interval training (HIIT) increases brain metabolism by measuring brain glucose uptake in younger and older adults. Design: Brain glucose uptake was measured before and after HIIT or sedentary (SED) control period within a larger exercise study. Setting: Study procedures performed at Mayo Clinic (Rochester MN)...
October 25, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29070566/a-high-glycemic-diet-is-associated-with-cerebral-amyloid-burden-in-cognitively-normal-older-adults
#11
Matthew K Taylor, Debra K Sullivan, Russell H Swerdlow, Eric D Vidoni, Jill K Morris, Jonathan D Mahnken, Jeffrey M Burns
Background: Little is known about the relation between dietary intake and cerebral amyloid accumulation in aging.Objective: We assessed the association of dietary glycemic measures with cerebral amyloid burden and cognitive performance in cognitively normal older adults.Design: We performed cross-sectional analyses relating dietary glycemic measures [adherence to a high-glycemic-load diet (HGLDiet) pattern, intakes of sugar and carbohydrates, and glycemic load] with cerebral amyloid burden (measured by florbetapir F-18 positron emission tomography) and cognitive performance in 128 cognitively normal older adults who provided eligibility screening data for the University of Kansas's Alzheimer's Prevention through Exercise (APEX) Study...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29067334/effect-of-physical-exercise-on-markers-of-neuronal-dysfunction-in-cerebrospinal-fluid-in-patients-with-alzheimer-s-disease
#12
Camilla Steen Jensen, Erik Portelius, Peter Høgh, Lene Wermuth, Kaj Blennow, Henrik Zetterberg, Steen Gregers Hasselbalch, Anja Hviid Simonsen
INTRODUCTION: Physical exercise has gained increasing focus as a potential mean to maintain cognitive function in patients with Alzheimer's disease (AD). Alongside the markers of specific AD pathology (amyloid β and tau), other pathologies such as neuronal damage and synaptic loss have been proposed as markers of the disease. Here, we study the effect of physical exercise on biomarkers of neuronal and synaptic integrity. METHODS: Cerebrospinal fluid (CSF) from 51 AD subjects who participated in the randomized controlled trial Preserving Cognition, Quality of Life, Physical Health and Functional Ability in Alzheimer's Disease: The Effect of Physical Exercise (ADEX) was analyzed for the concentration of neurofilament light (NFL), neurogranin (Ng), visinin-like protein-1 (VILIP-1), and chitinase-3-like protein 1 (YKL-40)...
June 2017: Alzheimer's & Dementia: Translational Research & Clinical Interventions
https://www.readbyqxmd.com/read/29031520/executive-function-responses-to-aerobic-exercise-in-alzheimer-s-disease
#13
Fang Yu, David M Vock, Terry R Barclay
Executive dysfunction occurs early and is prevalent in Alzheimer's disease (AD). This study tested the ability of different measures for identifying changes in executive function and the effect of 6-months of aerobic exercise on executive function in older adults with mild to moderate AD, using a single-group, repeated-measures design (n = 28, age 78.1 ± 8.37). Factor analysis and linear mixed-effects model analyses showed that individually the Exit Interview-25 (EXIT-25), Behavioral Dyscontrol Scale (BDS), and Golden Stroop test were the preferred instruments for measuring changes in executive function in the sample...
October 11, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/29029478/effects-of-exercise-on-capillaries-in-the-white-matter-of-transgenic-ad-mice
#14
Yi Zhang, Feng-Lei Chao, Chun-Ni Zhou, Lin Jiang, Lei Zhang, Lin-Mu Chen, Yan-Min Luo, Qian Xiao, Yong Tang
Previous studies have shown that exercise can prevent white matter atrophy in APP/PS1 transgenic Alzheimer's disease (AD) mice. However, the mechanism of this protective effect remains unknown. To further understand this issue, we investigated the effects of exercise on the blood supply of white matter in transgenic AD mice. Six-month-old male APP/PS1 mice were randomly divided into a control group and a running group, and age-matched non-transgenic littermates were used as a wild-type control group. Mice in the running group ran on a treadmill at low intensity for four months...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28986925/cerebral-blood-flow-in-normal-aging-adults-cardiovascular-determinants-clinical-implications-and-aerobic-fitness
#15
REVIEW
Takashi Tarumi, Rong Zhang
Senescence is a leading cause of mortality, disability, and non-communicable chronic diseases in older adults. Mounting evidence indicates that the presence of cardiovascular disease and risk factors elevates the incidence of both vascular cognitive impairment and Alzheimer's disease (AD). Age-related declines in cardiovascular function may impair cerebral blood flow (CBF) regulation, leading to the disruption of neuronal micro-environmental homeostasis. The brain is the most metabolically active organ with limited intracellular energy storage and critically depends on CBF to sustain neuronal metabolism...
October 6, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28983833/correction-to-moderate-treadmill-exercise-protects-synaptic-plasticity-of-the-dentate-gyrus-and-related-signaling-cascade-in-a-rat-model-of-alzheimer-s-disease
#16
An T Dao, Munder A Zagaar, Karim A Alkadhi
The original version of this article unfortunately does not include the second affiliating institution of Dr. Munder A. Zagaar. "Department of Pharmacy Pracce and Clinical Health Sciences, Texas Southern University, Houston, TX 77004" should have been included on the paper.
October 5, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28983832/correction-to-comparison-of-the-effect-of-exercise-on-late-phase-ltp-of-the-dentate-gyrus-and-ca1-of-alzheimer-s-disease-model
#17
An T Dao, Munder A Zagaar, Amber T Levine, Karim A Alkadhi
The original version of this article unfortunately does not include the second affiliating institution of Dr. Munder A. Zagaar. "Department of Pharmacy Pracce and Clinical Health Sciences, Texas Southern University, Houston, TX 77004" should have been included on the paper.
October 5, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28971004/short-term-mechanisms-influencing-volumetric-brain-dynamics
#18
REVIEW
Nikki Dieleman, Huiberdina L Koek, Jeroen Hendrikse
With the use of magnetic resonance imaging (MRI) and brain analysis tools, it has become possible to measure brain volume changes up to around 0.5%. Besides long-term brain changes caused by atrophy in aging or neurodegenerative disease, short-term mechanisms that influence brain volume may exist. When we focus on short-term changes of the brain, changes may be either physiological or pathological. As such determining the cause of volumetric dynamics of the brain is essential. Additionally for an accurate interpretation of longitudinal brain volume measures by means of neurodegeneration, knowledge about the short-term changes is needed...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28940148/physical-activity-in-preventing-alzheimer-s-disease-and-cognitive-decline-a-narrative-review
#19
REVIEW
Stefano Brini, Hamid R Sohrabi, Jeremiah J Peiffer, Mira Karrasch, Heikki Hämäläinen, Ralph N Martins, Timothy J Fairchild
A large body of epidemiological and experimental data exploring the relationship between physical activity (PA) and Alzheimer's disease (AD) are now available. Despite observational evidence supporting a role for PA in delaying the onset of AD, randomised controlled trials have reported mixed findings, likely due to the heterogeneity in study cohorts, outcome measures, and the adopted PA intervention. The primary objective of this narrative review is to evaluate the extant evidence on the relationship between PA, cognitive decline and AD in older populations...
September 23, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28936936/-treatment-of-dementia
#20
K Blom, G A H van den Elsen, H L Koek, J B Sanders, H C Kruithof, J A H R Claassen
- Treatment options for patients with dementia are limited. This article provides an overview of possible interventions, both pharmaceutical and non-pharmaceutical, for Alzheimer's disease, vascular dementia and mixed dementia.- Pharmaceutical treatment options include cholinesterase inhibitors, memantine and experimental medication. Cholinesterase inhibitors are only recommended for Alzheimer's disease and mixed dementia, not for vascular dementia or mild cognitive impairment. There is no proof of effectiveness for the other pharmaceutical options...
2017: Nederlands Tijdschrift Voor Geneeskunde
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