Cited by 102Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

Minocycline reduces inflammatory parameters in the brain structures and serum and reverses memory impairment caused by the administration of amyloid β (1-42) in mice

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Garcez, Michelle Lima, Mina, Francielle, Bellettini-Santos, Tatiani, Carneiro, Franciellen Gonçalves, Luz, Aline Pereira, Schiavo, Gustavo Luis, Andrighetti, Matheus Scopel, Scheid, Maylton Grégori +2 more·2017·Progress in Neuro-Psychopharmacology and Biological Psychiatry

Abstract

Alzheimer's disease (AD) is a neurodegenerative disorder and the most common type of age-related dementia. Cognitive decline, beta-amyloid (Aβ) accumulation, neurofibrillary tangles, and neuroinflammation are the main pathophysiological characteristics of AD. Minocycline is a tetracycline derivative with anti-inflammatory properties that has a neuroprotective effect. The aim of this study was to evaluate the effect of minocycline on memory, neurotrophins and neuroinflammation in an animal model of AD induced by the administration of Aβ (1-42) oligomer. Male BALB/c mice were treated with minocycline (50mg/kg) via the oral route for a total of 17days, 24h after intracerebroventricular administration of Aβ (1-42) oligomer. At the end of this period, was performed the radial maze test, and 24h after the last minocycline administration, serum was collected and the cortex and hippocampus were dissected for biochemical analysis. The administration of minocycline reversed the memory impairment caused by Aβ (1-42). In the hippocampus, minocycline reversed the increases in the levels of interleukin (IL-1β), Tumor Necrosis Factor- alpha (TNF-α) and, IL-10 caused by Aβ (1-42). In the cortex, AD-like model increase the levels of IL-1β, TNF-α and, IL-4. Minocycline treatment reversed this. In the serum, Aβ (1-42) increased the levels of IL-1β and IL-4, and minocycline was able to reverse this action, but not to reverse the decrease of IL-10 levels. Minocycline also reversed the increase in the levels of Brain-derived neurotrophic factor (BDNF) in the hippocampus caused by Aβ (1-42), and reduced Nerve Growth Factor (NGF) increases in the total cortex. Therefore, our results indicate that minocycline causes improvements in the spatial memory, and cytokine levels were correlated with this effect in the brain it. Besides this, minocycline reduced BDNF and NGF levels, highlighting the promising effects of minocycline in treating AD-like dementia.

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  1. Budni, J., Bellettini-Santos, T., Mina, F., Garcez, M.L., Zugno, A.I., 2015b. The involvement of BDNF, NGF and GDNF in aging and Alzheimer's disease. Aging Dis. 6 (5), 331-341.
  2. Ledeboer, A., Breve, J.J., Poole, S., Tilders, F.J., Van Dam, A.M., 2000. Interleukin-10, interleukin-4, and transforming growth factor-beta differentially regulate lipopolysaccharide-induced production of pro-inflammatory cytokines and nitric oxide in co-cultures of rat astroglial and microglial cells. Glia 30 (2), 134-142.

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Authors
Garcez, M. L., Mina, F., Bellettini-Santos, T., Carneiro, F. G., Luz, A. P., Schiavo, G. L., Andrighetti, M. S., Scheid, M. G., Bolfe, R. P., & Budni, J.
Affiliations
Universidade do Extremo Sul Catarinense (BR)
Corresponding author
Budni, Josiane
Venue
Progress in Neuro-Psychopharmacology and Biological Psychiatry
Publisher
Elsevier BV
Published
2017-07
Volume
77
Pages
23-31
ISSN
0278-5846 (ISSN-L)
OpenAlex
W2598570847
Cited by
102
References
99
Citations by year
2026: 10 · 2025: 12 · 2024: 7 · 2023: 9 · 2022: 11 · 2021: 12 · 2020: 19 · 2019: 11 · 2018: 9 · 2017: 2
FWCI
8.49
Type
journal article
Language
en
Open access
Locations
  • Progress in Neuro-Psychopharmacology and Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
UNESC
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
minocycline, Alzheimer's disease, memory impairment, neuroinflammation, neurotrophins, brain-derived neurotrophic factor, nerve growth factor, hippocampus, cerebral cortex, IL-1β, TNF-α, IL-10, IL-4, spatial memory, neuroprotection
MeSH terms
Animals, Brain, Cerebral Cortex, Hippocampus, Inflammation, Male, Memory Disorders, Minocycline, Peptide Fragments, Tumor Necrosis Factor-alpha, Interleukin-4, Amyloid beta-Peptides, Interleukin-10, Neuroprotective Agents, Maze Learning, Brain-Derived Neurotrophic Factor, Mice, Interleukin-1beta, Infusions, Intraventricular

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