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Updated: Feb 26, 2026
Microglia as a Surrogate Biosensor to Determine Nanoparticle Neurotoxicity
Published on: October 25, 2016
Role of microglia in methamphetamine-induced neurotoxicity
Enquan Xu1, Jianuo Liu1, Han Liu1
1Neurophysiology Laboratory, Departments of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center Omaha 68198-5880, NE, USA.
Abstract:
Methamphetamine (Meth) is an addictive psychostimulant widely abused around the world. The chronic use of Meth produces neurotoxicity featured by dopaminergic terminal damage and microgliosis, resulting in serious neurological and behavioral consequences. Ample evidence indicate that Meth causes microglial activation and resultant secretion of pro-inflammatory molecules leading to neural injury. However, the mechanisms underlying Meth-induced microglial activation remain to be determined. In this review, we attempt to address the effects of Meth on human immunodeficiency virus (HIV)-associated microglia activation both in vitro and in-vivo. Meth abuse not only increases HIV transmission but also exacerbates progression of HIV-associated neurocognitive disorders (HAND) through activation of microglia. In addition, the therapeutic potential of anti-inflammatory drugs on ameliorating Meth-induced microglia activation and resultant neuronal injury is discussed.
Insights
Methamphetamine abuse activates microglia, worsening HIV-associated neurocognitive disorders. This review explores methamphetamine
Area of Science:
- Neuroscience
- Immunology
- Pharmacology
Background:
- Methamphetamine (Meth) abuse is a global issue causing neurotoxicity and dopaminergic terminal damage.
- Chronic Meth use leads to microgliosis and neuroinflammation, contributing to neurological deficits.
- Methamphetamine-induced microglial activation mechanisms require further elucidation.
Purpose of the Study:
- To review the effects of Methamphetamine on microglia activation in the context of HIV infection.
- To explore the exacerbation of HIV-associated neurocognitive disorders (HAND) by Meth-induced microglial activation.
- To discuss the therapeutic potential of anti-inflammatory agents for Meth-induced neuroinflammation.
Main Methods:
- Review of in vitro and in vivo studies on Methamphetamine and microglia.
- Analysis of Methamphetamine's impact on HIV-associated neuroinflammation.
- Examination of neuroinflammatory pathways and potential therapeutic interventions.
Main Results:
- Methamphetamine activates microglia, promoting pro-inflammatory cytokine release and neuronal injury.
- Methamphetamine abuse exacerbates HIV transmission and HAND progression.
- Evidence suggests a link between Meth-induced microglial activation and HAND pathogenesis.
Conclusions:
- Methamphetamine significantly impacts microglial activation, exacerbating HIV-associated neurological complications.
- Targeting Meth-induced neuroinflammation presents a potential therapeutic strategy for HAND.
- Further research is needed to fully understand and counteract Methamphetamine's neuroinflammatory effects in HIV patients.
