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Glial Cells in Neurodegenerative Disorders

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Neurobiology".

Deadline for manuscript submissions: 20 November 2025 | Viewed by 476

Special Issue Editor


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Guest Editor
Department of Health Sciences, Clinical Pharmacology and Oncology Section, University of Florence, 50139 Florence, Italy
Interests: neuroscience; pharmacology; ion channel; pain

Special Issue Information

Dear Colleagues,

Glial cells, including microglia, astrocytes, and oligodendrocytes, play a critical role in maintaining neuronal health, modulating inflammation, and responding to injury in the central nervous system. However, in neurodegenerative disorders such as Alzheimer’s, Parkinson’s, and amyotrophic lateral sclerosis (ALS), glial cell dysfunction and chronic activation contribute to disease progression through inflammatory and oxidative stress pathways. Microglial activation often leads to the release of pro-inflammatory cytokines and reactive oxygen species, exacerbating neural damage. On the other hand, astrocyte reactivity can disrupt synaptic balance and contribute to neuronal degeneration. Understanding how glial cell dysregulation drives neurodegenerative processes is essential to developing novel therapies.

This Special Issue aims to explore the diverse roles of glial cells in neurodegenerative diseases, with a focus on mechanisms by which glial cell activation contributes to neurodegeneration; the role of glial cells in synaptic dysfunction and neuronal survival; potential therapeutic targets within glial signaling pathways for neurodegenerative conditions. This Special Issue aims to advance our understanding of glial cell involvement in neurodegeneration, paving the way for innovative glia-focused therapies.

Dr. Daniel Souza Monteiro de Araujo
Guest Editor

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Keywords

  • glial cells
  • microglia
  • astrocytes
  • oligodendrocytes
  • neurodegenerative disorders

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Published Papers (1 paper)

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Research

11 pages, 2342 KiB  
Article
Effect of Microglial Activity on Gut Microbiota in Rats with Neuropathic Pain
by Seung-Wan Hong, Liyun Piao, Eun-Hwa Cho, Eun-Hye Seo and Seong-Hyop Kim
Int. J. Mol. Sci. 2025, 26(11), 5181; https://doi.org/10.3390/ijms26115181 - 28 May 2025
Viewed by 270
Abstract
This study aimed to investigate the relationship between microglial activity and gut microbiota composition in a rat model of neuropathic pain (NP), and to evaluate how pregabalin treatment may influence these interrelated parameters. NP was simulated in rats via ligation and transection of [...] Read more.
This study aimed to investigate the relationship between microglial activity and gut microbiota composition in a rat model of neuropathic pain (NP), and to evaluate how pregabalin treatment may influence these interrelated parameters. NP was simulated in rats via ligation and transection of the sciatic nerve. After confirming NP, the rats were randomly divided into treatment and control groups. Pregabalin (10 mg/kg) and the same dose of normal saline were administered to the treatment and control groups, respectively, on scheduled days. Microglial activity, cytokine levels, and the composition of the gut microbiota (assessed by the Firmicutes/Bacteroidetes (F/B) ratio) were evaluated. Pregabalin treatment significantly reduced microglial activity (which was notably lower in the treatment group than in the control group) and modulated pro-inflammatory and anti-inflammatory cytokine levels. While the F/B ratio in the control group significantly increased after NP surgery, the treatment group showed an initial increase followed by a notable decrease, approaching pre-surgery levels by day 28. This finding suggests that pregabalin treatment in rats with NP ameliorates microglial activity and is associated with a beneficial shift in the gut microbiota composition. Full article
(This article belongs to the Special Issue Glial Cells in Neurodegenerative Disorders)
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