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Biological Activities of Astaxanthin in the Treatment of Neurodegenerative Diseases

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Date 2024 Dec 9
PMID 39648516
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Abstract

Introduction: Neurodegenerative diseases (NDs) develop with the gradual advancement of neuronal damage and dysfunction in the central nervous system (CNS). These disorders are mostly the outcomes of the improper sedimentation and accumulation of proteins, such as amyloid-β (Aβ), α-synuclein, and prions. Astaxanthin (AST) exists in different types of living organisms and displays antioxidant and anti-inflammatory functions. This review has concentrated on the therapeutic characteristics of AST on NDs.

Methods: Data was collected by searching Scopus, PubMed, and Google Scholar databases. Articles selected for this review reported results on the neuroprotective properties of AST on NDs of studies conducted during the years 2000 to 2024.

Results: AST decreases soluble Aβ levels by stimulating the Aβ degradation enzyme. It also reduces inflammation in the substantia nigra (SN) by decreasing IBA1 expression, thereby lessening microglia activity. This carotenoid reduces demyelination by increasing the survival of oligodendrocytes cells and increasing the number of their progenitor cells. AST has antioxidant, anti-inflammatory, and anti-apoptotic properties and can play a role in the treatment of many NDs.

Conclusion: There is no definitive treatment for some NDs. The use of AST and natural compounds can be an optimal method for preventing and treating NDs with few side effects.

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