Acute high-intensity aerobic exercise affects brain-derived neurotrophic factor in mild cognitive impairment: a randomised controlled study
Publication year
2019Source
BMJ Open Sport & Exercise Medicine, 5, 1, (2019), pp. e000499ISSN
Publication type
Article / Letter to editor

Display more detailsDisplay less details
Organization
Geriatrics
Journal title
BMJ Open Sport & Exercise Medicine
Volume
vol. 5
Issue
iss. 1
Page start
p. e000499
Subject
Radboudumc 1: Alzheimer`s disease DCMN: Donders Center for Medical NeuroscienceAbstract
Objective: To investigate the brain-derived neurotrophic factor (BDNF) and cognitive response to a short bout of high-intensity aerobic exercise in older adults with mild cognitive impairment (MCI). Methods: Participants were randomised to one of two testing schedules, completing either a standardised exercise test (group A) or a resting control condition (group B). Blood sampling and cognitive measures (visuospatial learning and memory, sustained attention and executive function) were collected at baseline (T1) and postintervention (T2). An additional measurement of study outcomes was collected after exercise (T3) in group B only. Results: 64 participants (female 53.2%, mean age 70.5+/-6.3 years) with MCI were recruited. From T1 to T2, serum BDNF (sBDNF) concentration increased in group A (n=35) (median (Md) 4564.61+/-IQR 5737.23 pg/mL to Md 5173.27+/-5997.54 pg/mL) and decreased in group B (Md 4593.74+/-9558.29 pg/mL to Md 3974.66+/-3668.22 pg/mL) (between-group difference p=0.024, effect size r=0.3). The control group made fewer errors on the sustained attention task compared with the exercise group (p=0.025). Measures of visuospatial learning and memory or executive function did not change significantly between groups. Conclusion: This study is the first to show that a short bout of high-intensity aerobic exercise increases peripheral sBDNF in a population with MCI. However, acute exercise did not improve cognitive performance.
This item appears in the following Collection(s)
- Academic publications [205116]
- Electronic publications [103350]
- Faculty of Medical Sciences [81054]
- Open Access publications [71830]
Upload full text
Use your RU credentials (u/z-number and password) to log in with SURFconext to upload a file for processing by the repository team.