Cited by 41Alzheimer's disease research and treatmentsMedicinal Plants and NeuroprotectionAntioxidants, Aging, Portulaca oleracea

Synergistic effects of quercetin and regular exercise on the recovery of spatial memory and reduction of parameters of oxidative stress in an animal model of Alzheimer's disease

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Molaei, Amin, Hatami, Homeira, Dehghan, Gholamreza, Sadeghian, Reihaneh, Khajehnasiri, Nazli·2020·IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund

Abstract

It has widely been reported that the brain in Alzheimer's disease (AD) is affected by increased oxidative stress, and this may have a role in the pathogenesis of this disorder. Quercetin, a polyphenol extensively found in nature, has recently been considered. Also, physical activities have a paradoxical effect on brain function in older adults. Therefore, this study aimed at investigating the synergic effects of quercetin (as chemical treatment) and exercise (as physical treatment) on AD-induced learning and memory impairment. Fifty-six adult male Wistar rats were randomly assigned into one of the following eight groups (n=7): The Control, Sham (saline), AD (intracerebroventricular administration of streptozotocin (STZ)), AD+80 mg/kg Quercetin (STZ+Q80), Quercetin vehicle (1 % Ethanol)+STZ, Exercise pretreatment (EX)+STZ, Off the treadmill+STZ, and EX+Q80+STZ. Quercetin administration was done intraperitoneally for 21 days after STZ injection. The rats ran on the treadmill for one hour a day for 60 days at a speed of 20-22 m/min. After the treatment, the spatial memory and levels of oxidative stress parameters were evaluated. The results showed that STZ caused spatial memory impairment and increased oxidative stress in the hippocampus. Exercise pretreatment or Quercetin injection improved the spatial memory impairment and oxidative stress caused by STZ injection. However, the combination of quercetin and exercise pretreatment was more effective. It can be concluded that the combined exercise pretreatment and Quercetin injection affected the antioxidant defense system and improved STZ-induced memory impairment.

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  1. [13]Chou TH The effect of quercetin on exercise induced cytokine response in trained cyclists (Thesis) 2012 Austin, TX Univ of Texas
  2. [52]Sidhu A Antioxidants, exercise, and brain function (Thesis) 2015 Fort Worth, TX University of North Texas Health Science Center

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Authors
Molaei, A., Hatami, H., Dehghan, G., Sadeghian, R., & Khajehnasiri, N.
Affiliations
  • University of Tabriz (IR)
  • Mashhad University of Medical Sciences (IR)
Venue
IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund
Publisher
IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund
Published
2020
Volume
19
Pages
596-612
ISSN
1611-2156 (ISSN-L)
OpenAlex
W3028711093
Cited by
41
References
58
Citations by year
2026: 3 · 2025: 9 · 2024: 5 · 2023: 6 · 2022: 6 · 2021: 10 · 2020: 1
FWCI
2.92
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • EXCLI journal (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Technische Universität Dortmund Eldorado (Technische Universität Dortmund) (submittedVersion, cc-by)
  • Leibniz-Institut für Arbeitsforschung an der TU Dortmund (IfADo)
  • Technische Universität Dortmund Eldorado (Technische Universität Dortmund)
  • PubMed
Funders
University of Tabriz
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plants and Neuroprotection
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Antioxidants, Aging, Portulaca oleracea
Keywords
quercetin, physical activity, Alzheimer's disease, spatial memory, oxidative stress, streptozotocin, hippocampus, antioxidant defense, memory impairment, polyphenols, treadmill running, combination therapy

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