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Neuroprotective Effect of Antioxidants in the Brain

Authors
 Kyung Hee Lee  ;  Myeounghoon Cha  ;  Bae Hwan Lee 
Citation
 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, Vol.21(19) : 7152, 2020-09 
Journal Title
 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 
Issue Date
2020-09
Keywords
antioxidant ; brain ; neurodegenerative disease ; neuroprotection ; oxidative stress
Abstract
The brain is vulnerable to excessive oxidative insults because of its abundant lipid content, high energy requirements, and weak antioxidant capacity. Reactive oxygen species (ROS) increase susceptibility to neuronal damage and functional deficits, via oxidative changes in the brain in neurodegenerative diseases. Overabundance and abnormal levels of ROS and/or overload of metals are regulated by cellular defense mechanisms, intracellular signaling, and physiological functions of antioxidants in the brain. Single and/or complex antioxidant compounds targeting oxidative stress, redox metals, and neuronal cell death have been evaluated in multiple preclinical and clinical trials as a complementary therapeutic strategy for combating oxidative stress associated with neurodegenerative diseases. Herein, we present a general analysis and overview of various antioxidants and suggest potential courses of antioxidant treatments for the neuroprotection of the brain from oxidative injury. This review focuses on enzymatic and non-enzymatic antioxidant mechanisms in the brain and examines the relative advantages and methodological concerns when assessing antioxidant compounds for the treatment of neurodegenerative disorders.
Files in This Item:
T202004348.pdf Download
DOI
10.3390/ijms21197152
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Physiology (생리학교실) > 1. Journal Papers
Yonsei Authors
Lee, Bae Hwan(이배환) ORCID logo https://orcid.org/0000-0003-4719-9021
Cha, Myeoung Hoon(차명훈) ORCID logo https://orcid.org/0000-0002-7993-672X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/180222
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