CD36 – A novel molecular target in the neurovascular unit

CD36 is an integral membrane protein primarily known for its function as a fatty acid transporter, yet also playing other biological roles from lipid metabolism to inflammation modulation. These pleiotropic effects are explained by the existence of multiple different ligands and the extensive distri...

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Bibliographic Details
Published in:The European journal of neuroscience 2021-04, Vol.53 (8), p.2500-2510
Main Authors: Ioghen, Octavian, Chițoiu, Leona, Gherghiceanu, Mihaela, Ceafalan, Laura Cristina, Hinescu, Mihail Eugen, Majewska, Ania
Format: Article
Language:English
Subjects:
Alzheimer Disease
Alzheimer's disease
Apoptosis
Astrocytes
Blood-brain barrier
CD36
CD36 antigen
Central nervous system
Endothelial cells
Fatty acids
Inflammation
Lipid metabolism
Membrane proteins
Microglia
Microvasculature
Molecular and Synaptic Mechanisms
Neurodegenerative diseases
neuroinflammation
neurovascular unit
Oxidative stress
Phagocytosis
Review
stroke
vascular dysfunction
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Summary:CD36 is an integral membrane protein primarily known for its function as a fatty acid transporter, yet also playing other biological roles from lipid metabolism to inflammation modulation. These pleiotropic effects are explained by the existence of multiple different ligands and the extensive distribution in numerous cell types. Moreover, the receptor is related to various pathologies and it may prove to be a good target for prospective therapeutic strategies. In the neurovascular unit (NVU), CD36 is expressed in cells like microglia, microvascular endothelial cells, astrocytes and neurons. In the normal brain, CD36 was proven to be involved in phagocytosis of apoptotic cells, oro‐sensory detection of dietary lipids, and fatty acid transport across the blood brain barrier (BBB). CD36 was also acknowledged as a potentially important player in central nervous system (CNS) disorders, such as Alzheimer Disease‐associated vascular dysfunction and oxidative stress and the neuroinflammatory response in stroke. Despite continuous efforts, the therapeutic arsenal for such diseases is still scarce and there is an increasing interest in discovering new molecular targets for more specific therapeutic approaches. In this review, we summarize the role of CD36 in the normal function of the NVU and in several CNS disorders, focusing on the dysregulation of the NVU and the potential therapeutic modulation. CD36 is an integral membrane protein primarily known as a fatty acids transporter, yet also involved in lipid metabolism and inflammation. These pleiotropic effects are explained by its multiple ligands and its extensive distribution on numerous cell types. As CD36 participates both to the normal function and dysregulation of the neurovascular unit in several central nervous system disorders, it might prove to be a good target for prospective therapeutic strategies.
ISSN:0953-816X
1460-9568
DOI:10.1111/ejn.15147