Cited by 148Alzheimer's disease research and treatmentsMedicinal Plants and NeuroprotectionNeuroinflammation and Neurodegeneration Mechanisms

Linalool Reverses Neuropathological and Behavioral Impairments in Old Triple Transgenic Alzheimer's Mice

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Sabogal-Guáqueta, Angélica Maria, Osorio, Edison, Cardona-Gómez, Gloria Patricia·2016·Neuropharmacology

Abstract

Alzheimer's disease (AD) is an age-related progressive neurodegenerative disorder. Several types of treatments have been tested to block or delay the onset of the disease, but none have been completely successful. Diet, lifestyle and natural products are currently the main scientific focuses. Here, we evaluate the effects of oral administration of the monoterpene linalool (25 mg/kg), every 48 h for 3 months, on aged (21-24 months old) mice with a triple transgenic model of AD (3xTg-AD) mice. Linalool-treated 3xTg-AD mice showed improved learning and spatial memory and greater risk assessment behavior during the elevated plus maze. Hippocampi and amygdalae from linalool-treated 3xTg-AD mice exhibited a significant reduction in extracellular β-amyloidosis, tauopathy, astrogliosis and microgliosis as well as a significant reduction in the levels of the pro-inflammatory markers p38 MAPK, NOS2, COX2 and IL-1β. Together, our findings suggest that linalool reverses the histopathological hallmarks of AD and restores cognitive and emotional functions via an anti-inflammatory effect. Thus, linalool may be an AD prevention candidate for preclinical studies.

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Authors
Sabogal-Guáqueta, A. M., Osorio, E., & Cardona-Gómez, G. P.
Affiliations
Universidad de Antioquia (CO)
Venue
Neuropharmacology
Publisher
Elsevier BV
Published
2016-03
Volume
102
Pages
111-120
ISSN
0028-3908 (ISSN-L)
OpenAlex
W2170522615
Cited by
148
References
54
Citations by year
2026: 14 · 2025: 12 · 2024: 14 · 2023: 17 · 2022: 15 · 2021: 20 · 2020: 14 · 2019: 12 · 2018: 12 · 2017: 13 · 2016: 5
FWCI
7.36
Type
journal article
Language
en
Open access
Locations
  • Neuropharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Repository University of Antioquia (University of Antioquia) (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
COLCIENCIAS (11565740581 (GPC-G))
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 › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
linalool, Alzheimer's disease, triple transgenic mice, monoterpenes, cognitive impairment, spatial memory, risk assessment behavior, amyloid-beta, tauopathy, astrocyte activation, microglial activation, neuroinflammation, p38 MAPK, NOS2, cyclooxygenase-2, IL-1β, hippocampus, amygdala, anti-inflammatory activity, natural products
MeSH terms
Acyclic Monoterpenes, Alzheimer Disease, Animals, Behavior, Animal, Brain, Disease Models, Animal, Mice, Transgenic, Amyloid beta-Peptides, tau Proteins, Maze Learning, Monoterpenes, Mice, Spatial Memory

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