Cited by 152Neuroinflammation and Neurodegeneration MechanismsImmunotoxicology and immune responsesTryptophan and brain disorders

Methamphetamine-induced neuroinflammation and neuronal dysfunction in the mice hippocampus: preventive effect of indomethacin

Gonçalves, Joana, Baptista, Sofia, Martins, Tânia, Milhazes, Nuno, Borges, Fernanda, Ribeiro, Carlos F., Malva, João O., Silva, Ana P.·2010·European Journal of Neuroscience

Abstract

Methamphetamine (METH) causes irreversible damage to brain cells leading to neurological and psychiatric abnormalities. However, the mechanisms underlying life-threatening effects of acute METH intoxication remain unclear. Indeed, most of the hypotheses focused on intra-neuronal events, such as dopamine oxidation, oxidative stress and excitotoxicity. Yet, recent reports suggested that glia may contribute to METH-induced neuropathology. In the present study, we investigated the hippocampal dysfunction induced by an acute high dose of METH (30 mg/kg; intraperitoneal injection), focusing on the inflammatory process and changes in several neuronal structural proteins. For that, 3-month-old male wild-type C57BL/6J mice were killed at different time-points post-METH. We observed that METH caused an inflammatory response characterized by astrocytic and microglia reactivity, and tumor necrosis factor (TNF) system alterations. Indeed, glial fibrillary acidic protein (GFAP) and CD11b immunoreactivity were upregulated, likewise TNF-alpha and TNF receptor 1 protein levels. Furthermore, the effect of METH on hippocampal neurons was also investigated, and we observed a downregulation in beta III tubulin expression. To clarify the possible neuronal dysfunction induced by METH, several neuronal proteins were analysed. Syntaxin-1, calbindin D28k and tau protein levels were downregulated, whereas synaptophysin was upregulated. We also evaluated whether an anti-inflammatory drug could prevent or diminish METH-induced neuroinflammation, and we concluded that indomethacin (10 mg/kg; i.p.) prevented METH-induced glia activation and both TNF system and beta III tubulin alterations. In conclusion, we demonstrated that METH triggers an inflammatory process and leads to neuronal dysfunction in the hippocampus, which can be prevented by an anti-inflammatory treatment.

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Crossref · 10.1111/j.1460-9568.2009.07059.x

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Authors
Gonçalves, J., Baptista, S., Martins, T., Milhazes, N., Borges, F., Ribeiro, C. F., Malva, J. O., & Silva, A. P.
Affiliations
  • University of Coimbra (PT)
  • Centro de Neurociências e Biologia Celular (PT)
  • Universidade do Porto (PT)
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2010-01
Volume
31
Issue
2
Pages
315-326
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W2163407153
Cited by
152
References
76
Citations by year
2026: 6 · 2025: 7 · 2024: 8 · 2023: 11 · 2022: 10 · 2021: 12 · 2020: 12 · 2019: 11 · 2018: 12 · 2017: 9 · 2016: 3 · 2015: 10 · 2014: 11 · 2013: 6 · 2012: 15
FWCI
5.61
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
methamphetamine, neuroinflammation, hippocampus, indomethacin, glial activation, astrocytes, microglia, TNF-α, TNF receptor 1, glial fibrillary acidic protein, CD11b, TUBB3, neuronal dysfunction, anti-inflammatory therapy, synaptophysin, tau protein, calbindin-D28k, syntaxin-1
MeSH terms
Disks Large Homolog 4 Protein, Central Nervous System Stimulants, Animals, Anti-Inflammatory Agents, Non-Steroidal, Glial Fibrillary Acidic Protein, Hippocampus, Indomethacin, Inflammation, Male, Membrane Proteins, Methamphetamine, Mice, Inbred C57BL, Neuroglia, Neurons, Tumor Necrosis Factor-alpha, Synaptophysin, CD11b Antigen, Receptors, Tumor Necrosis Factor, Type I, Receptors, Tumor Necrosis Factor, Type II, Intracellular Signaling Peptides and Proteins, Qa-SNARE Proteins, Synaptosomal-Associated Protein 25, Mice, Guanylate Kinases

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