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Physical exercise modulates peripheral levels of brain-derived neurotrophic factor (BDNF): A systematic review of experimental studies in the elderly.
MedLine Citation:
PMID:  22749404     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The objective of this study was to conduct a systematic review of studies that analyzed the effect of physical exercise on the peripheral levels of BDNF in elderly individuals. METHOD: We conducted a search in PsycINFO, Biological Abstracts, Pubmed, Web of Science, and Science Direct from 1990 to 2011, using the following keywords: "physical exercise", "physical activity", "physical therapy", "training", "BDNF", "neuroplasticity", "neurotrophins", "neuroplasticity proteins", "aged", "older", "elderly". The articles were considered for inclusion in the review if they were studies with elderly, assessed peripheral (serum and/or plasma) BDNF and evaluated an acute exercise or chronic exercise (training). RESULTS: Five randomized controlled trial and one randomized non-controlled trial studies were analyzed. Five out of six studies reported a significantly higher BDNF response to aerobic acute exercise and to aerobic or strength training program in healthy elderly and elderly with different pathologies. CONCLUSION: It was not possible to establish a recommendation protocol for the type and intensity of physical exercise required to produce an increase in levels BDNF. However, physical exercise, particularly, moderate-intensity exercises seem to be more effective to promote increase the peripheral levels of BDNF in the elderly.
Authors:
Flávia Gomes de Melo Coelho; Sebastião Gobbi; Carla Andreza Almeida Andreatto; Danilla Icassati Corazza; Renata Valle Pedroso; Ruth Ferreira Santos-Galduróz
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-29
Journal Detail:
Title:  Archives of gerontology and geriatrics     Volume:  -     ISSN:  1872-6976     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-7-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8214379     Medline TA:  Arch Gerontol Geriatr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Institute of Biosciences, UNESP, Univ. Estadual Paulista, Physical Activity and Aging Lab (LAFE), Rio Claro, SP, Brazil.
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