Cited by 189Neuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatmentsNeuroscience and Neuropharmacology Research

Role of Microglia and Astrocytes in Alzheimer’s Disease: From Neuroinflammation to Ca2+ Homeostasis Dysregulation

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Di Benedetto, Giulia, Burgaletto, Chiara, Bellanca, Carlo Maria, Munafò, Antonio, Bernardini, Renato, Cantarella, Giuseppina·2022·Cells

Abstract

Alzheimer’s disease (AD) is the most common form of dementia worldwide, with a complex, poorly understood pathogenesis. Cerebral atrophy, amyloid-β (Aβ) plaques, and neurofibrillary tangles represent the main pathological hallmarks of the AD brain. Recently, neuroinflammation has been recognized as a prominent feature of the AD brain and substantial evidence suggests that the inflammatory response modulates disease progression. Additionally, dysregulation of calcium (Ca2+) homeostasis represents another early factor involved in the AD pathogenesis, as intracellular Ca2+ concentration is essential to ensure proper cellular and neuronal functions. Although growing evidence supports the involvement of Ca2+ in the mechanisms of neurodegeneration-related inflammatory processes, scant data are available on its contribution in microglia and astrocytes functioning, both in health and throughout the AD continuum. Nevertheless, AD-related aberrant Ca2+ signalling in astrocytes and microglia is crucially involved in the mechanisms underpinning neuroinflammatory processes that, in turn, impact neuronal Ca2+ homeostasis and brain function. In this light, we attempted to provide an overview of the current understanding of the interactions between the glia cells-mediated inflammatory responses and the molecular mechanisms involved in Ca2+ homeostasis dysregulation in AD.

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Authors
Di Benedetto, G., Burgaletto, C., Bellanca, C. M., Munafò, A., Bernardini, R., & Cantarella, G.
Affiliations
  • Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, 95123 Catania, Italy
  • University of Catania (IT)
Corresponding author
Bernardini, Renato
Venue
Cells
Publisher
MDPI AG
Published
2022-09-01
Volume
11
Issue
17
Pages
2728
ISSN
2073-4409 (ISSN-L)
OpenAlex
W4294151542
Cited by
189
References
187
Citations by year
2026: 53 · 2025: 63 · 2024: 46 · 2023: 19 · 2022: 8
FWCI
3.48
Type
journal article
Language
en
Open access
Locations
  • Cells (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
the Italian Ministry of Research (2017YH3SXK)
Topics
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
Alzheimer's disease, microglia, astrocytes, neuroinflammation, calcium homeostasis, calcium signaling, glial interactions, amyloid plaques, neurofibrillary tangles, neurodegeneration, glial inflammation
MeSH terms
Neuroinflammatory Diseases, Alzheimer Disease, Astrocytes, Homeostasis, Humans, Microglia, Plaque, Amyloid

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