Abstract
Alzheimer’s disease (AD) is a complex neurodegenerative disorder with major clinical hallmarks of memory loss, dementia, and cognitive impairment. Besides the extensive neuron-oriented research, an increasing body of evidence suggests that glial cells, namely astrocytes, microglia, NG2 glia and oligodendrocytes, may play an important role in the pathogenesis of this disease. In the first part of this review, AD pathophysiology in humans is briefly described and compared with disease progression in routinely used animal models. The relevance of findings obtained in animal models of AD is also discussed with respect to AD pathology in humans. Further, this review summarizes recent findings regarding the role/participation of glial cells in pathogenesis of AD, focusing on changes in their morphology, functions, proteins and gene expression profiles. As for astrocytes and microglia, they are fundamental for the progression and outcome of AD either because they function as effector cells releasing cytokines that play a role in neuroprotection, or because they fail to fulfill their homeostatic functions, ultimately leaving neurons to face excitotoxicity and oxidative stress. Next, we turn our attention towards NG2 glia, a novel and distinct class of glial cells in the central nervous system (CNS), whose role in a variety of human CNS diseases has begun to emerge, and we also consider the participation of oligodendrocytes in the pathogenesis and progression of AD. Since AD is currently an incurable disease, in the last part of our review we hypothesize about possible glia-oriented treatments and provide a perspective of possible future advancements in this field.
Keywords: Alzheimer´s disease, astrocytes, glial cells, homeostasis, microglia, NG2 glia, oligodendrocytes, therapy.
Current Alzheimer Research
Title:Glial Cells – The Key Elements of Alzheimer´s Disease
Volume: 13 Issue: 8
Author(s): David Dzamba, Lenka Harantova, Olena Butenko and Miroslava Anderova
Affiliation:
Keywords: Alzheimer´s disease, astrocytes, glial cells, homeostasis, microglia, NG2 glia, oligodendrocytes, therapy.
Abstract: Alzheimer’s disease (AD) is a complex neurodegenerative disorder with major clinical hallmarks of memory loss, dementia, and cognitive impairment. Besides the extensive neuron-oriented research, an increasing body of evidence suggests that glial cells, namely astrocytes, microglia, NG2 glia and oligodendrocytes, may play an important role in the pathogenesis of this disease. In the first part of this review, AD pathophysiology in humans is briefly described and compared with disease progression in routinely used animal models. The relevance of findings obtained in animal models of AD is also discussed with respect to AD pathology in humans. Further, this review summarizes recent findings regarding the role/participation of glial cells in pathogenesis of AD, focusing on changes in their morphology, functions, proteins and gene expression profiles. As for astrocytes and microglia, they are fundamental for the progression and outcome of AD either because they function as effector cells releasing cytokines that play a role in neuroprotection, or because they fail to fulfill their homeostatic functions, ultimately leaving neurons to face excitotoxicity and oxidative stress. Next, we turn our attention towards NG2 glia, a novel and distinct class of glial cells in the central nervous system (CNS), whose role in a variety of human CNS diseases has begun to emerge, and we also consider the participation of oligodendrocytes in the pathogenesis and progression of AD. Since AD is currently an incurable disease, in the last part of our review we hypothesize about possible glia-oriented treatments and provide a perspective of possible future advancements in this field.
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Cite this article as:
Dzamba David, Harantova Lenka, Butenko Olena and Anderova Miroslava, Glial Cells – The Key Elements of Alzheimer´s Disease, Current Alzheimer Research 2016; 13 (8) . https://dx.doi.org/10.2174/1567205013666160129095924
DOI https://dx.doi.org/10.2174/1567205013666160129095924 |
Print ISSN 1567-2050 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5828 |
Call for Papers in Thematic Issues
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Aims and Scope: Introduction: Alzheimer's disease (AD) poses a significant global health challenge, with an increasing prevalence that demands concerted efforts to advance our understanding and strategies for prevention, diagnosis, treatment, and rehabilitation. This thematic issue aims to bring together cutting-edge research and innovative approaches from multidisciplinary perspectives to address ...read more
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Neuroinflammation is an invariable hallmark of chronic and acute neurodegenerative disorders and has long been considered a potential drug target for Alzheimer?s disease (AD) and dementia. Significant evidence of inflammatory processes as a feature of AD is provided by the presence of inflammatory markers in plasma, CSF and postmortem brain ...read more
Deep Learning for Advancing Alzheimer's Disease Research
Alzheimer's disease (AD) poses a significant global health challenge, with an increasing number of individuals affected yearly. Deep learning, a subfield of artificial intelligence, has shown immense potential in various domains, including healthcare. This thematic issue of Current Alzheimer Research explores the application of deep learning techniques in advancing our ...read more
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Dementia affects 18 million people worldwide. Dementia is a syndrome of symptoms caused by brain disease, usually chronic or progressive, clinically characterized by multiple impairments of higher cortical functions such as memory, thinking, orientation, and learning. In addition, in the course of dementia, cognitive deficits are observed, which often hinder ...read more
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