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Oxidative stress, the blood-brain barrier and neurodegenerative diseases: The critical beneficial role of dietary antioxidants

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ACTA PHARMACEUTICA SINICA B
卷 13, 期 10, 页码 3988-4024

出版社

INST MATERIA MEDICA, CHINESE ACAD MEDICAL SCIENCES
DOI: 10.1016/j.apsb.2023.07.010

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Dietary antioxidant supplements; Oxidative stress; Blood-brain barrier; Neurodegenerative diseases; Vitamins; Carotenoids; Flavonoids; Polyphenols

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In recent years, there has been increasing awareness of the role of oxidative stress in brain health, leading to a growing interest in the use of dietary antioxidants as possible treatment strategies for neurodegenerative diseases (NDs). This review article examines the role of oxidative stress in the development of NDs and explores the potential of dietary antioxidants in the prevention and treatment of these diseases.
In recent years, growing awareness of the role of oxidative stress in brain health has prompted antioxidants, especially dietary antioxidants, to receive growing attention as possible treatments strategies for patients with neurodegenerative diseases (NDs). The most widely studied dietary antioxidants include active substances such as vitamins, carotenoids, flavonoids and polyphenols. Dietary antioxidants are found in usually consumed foods such as fresh fruits, vegetables, nuts and oils and are gaining popularity due to recently growing awareness of their potential for preventive and protective agents against NDs, as well as their abundant natural sources, generally non-toxic nature, and ease of long-term consumption. This review article examines the role of oxidative stress in the development of NDs, explores the 'two-sidedness' of the blood-brain barrier (BBB) as a protective barrier to the nervous system and an impeding barrier to the use of antioxidants as drug medicinal products and/or dietary antioxidants supplements for prevention and therapy and reviews the BBB permeability of common dietary antioxidant suplements and their potential efficacy in the prevention and treatment of NDs. Finally, current challenges and future directions for the prevention and treatment of NDs using dietary antioxi-dants are discussed, and useful information on the prevention and treatment of NDs is provided. 2023 Chinese Pharmaceutical Association and Institute of Materia Medica, Chinese Academy of Medical Sciences. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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