Cited by 98Alzheimer's disease research and treatmentsPeroxisome Proliferator-Activated ReceptorsNeuroinflammation and Neurodegeneration Mechanisms

Role of Nuclear Receptor on Regulation of BDNF and Neuroinflammation in Hippocampus of β-Amyloid Animal Model of Alzheimer’s Disease

Prakash, Atish, Kumar, Anil·2014·Neurotoxicity Research

Abstract

Peroxisome proliferator-activated receptor-γ (PPAR-γ) agonists have been reported to provide neuroprotective effects against neurodegenerative diseases. The current study was carried out to investigate the effects of chronic administration of pioglitazone, a PPAR-γ agonist, on cognitive impairment in an animal model of Alzheimer's disease induced by β-amyloid. Wistar rats received intracerebroventricular (ICV) β-amyloid (βA) application (3 nmol/3 μL), and behavioral alterations (locomotor activity and memory performance) were assessed. Animals were sacrificed immediately following the last behavioral session, and their brains were removed and dissected. Mitochondrial enzymes, oxidative parameters, inflammatory mediators (TNF-α, IL-6), caspase activity, and BDNF levels were measured in the hippocampus. ICV βA-treated rats showed a memory deficit and significantly decreased BDNF level, simultaneously, increase in mitochondrial oxidative damage and inflammatory mediators in the hippocampus. Memory impairment and oxidative damage were reversed by administration of pioglitazone (15 and 30 mg/kg). Pioglitazone also significantly restored the BDNF level and attenuated the actions of inflammatory markers in ICV βA-treated rats. However, pretreatment with PPAR-γ antagonist BADGE (15 mg/kg) with higher dose of pioglitazone significantly reversed its protective action in memory impairment in βA-treated rats, which indicates the involvement of PPAR-γ receptors mediating neuroprotective action. These results demonstrate that pioglitazone offers protection against β-amyloid-induced memory dysfunction possibly due to its antioxidant, anti-inflammatory, anti-apoptotic action and neurogenesis-like effect therefore, could have a therapeutic potential in Alzheimer's disease.

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Crossref · 10.1007/s12640-013-9437-9

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  • In rats injected with Aβ in the hippocampus, BDNF decreases and TNF-α, IL-6, and caspase-3 protein levels increase 3 weeks after intracerebroventricular injection.

    “Prakash shows that rats injected with Aβ in the hippocampus have a remarkable decrease in BDNF and increased TNF-α, IL-6, and caspase-3 protein levels 3 weeks after intracerebroventricular injection.”

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Authors
Prakash, A., & Kumar, A.
Affiliations
Panjab University (IN)
Corresponding author
Prakash, Atish
Venue
Neurotoxicity Research
Published
2013-11-26
Volume
25
Issue
4
Pages
335-347
ISSN
  • 1029-8428 (ISSN-L)
  • 1476-3524
OpenAlex
W2010156024
Cited by
98
References
58
Citations by year
2026: 6 · 2025: 5 · 2024: 9 · 2023: 7 · 2022: 7 · 2021: 10 · 2020: 13 · 2019: 10 · 2018: 8 · 2017: 10 · 2016: 3 · 2015: 9 · 2014: 1
FWCI
3.01
Type
journal article
Language
en
Open access
closed
Locations
  • Neurotoxicity Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Indian Council of Medical Research
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, amyloid-beta, pioglitazone, PPARγ agonists, brain-derived neurotrophic factor, neuroinflammation, hippocampus, memory impairment, oxidative stress, mitochondrial dysfunction, TNF-α, interleukin-6, caspase activity, badges, neuroprotection, neurogenesis
MeSH terms
Pioglitazone, Alzheimer Disease, Animals, Cognition Disorders, Disease Models, Animal, Hippocampus, Memory Disorders, Motor Activity, Peptide Fragments, Space Perception, Time Factors, Amyloid beta-Peptides, Treatment Outcome, Rats, Wistar, Neuroprotective Agents, Maze Learning, Brain-Derived Neurotrophic Factor, Thiazolidinediones, PPAR gamma

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