4.6 Article

Natural Bioactive Molecules as Neuromedicines for the Treatment/Prevention of Neurodegenerative Diseases

Journal

ACS OMEGA
Volume -, Issue -, Pages -

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsomega.2c06098

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The brain is susceptible to oxidative stress due to high levels of unsaturated fatty acids. Neurodegenerative diseases (NDDs) are associated with oxidative stress and have complex causes, making therapies less effective. Naturally occurring bioactive compounds, such as polyphenols and essential fatty acids, have antioxidant and anti-inflammatory properties that can benefit brain health. This review explores the role of bioactives in supporting brain function and potentially treating NDDs.
The brain is vulnerable to different types of stresses, particularly oxidative stress as a result of oxygen requirements/ utilization in the body. Large amounts of unsaturated fatty acids present in the brain increase this vulnerability. Neurodegenerative diseases (NDDs) are brain disorders that are characterized by the gradual loss of specific neurons and are attributed to broad evidence of cell-level oxidative stress. The accurate characterization of neurological disorders relies on several parameters along with genetics and environmental risk factors, making therapies less efficient to fight NDDs. On the way to tackle oxidative damage and discover efficient and safe therapies, bioactives are at the edge of NDD science. Naturally occurring bioactive compounds such as polyphenols, carotenoids, essential fatty acids, phytosterols, essential oils, etc. are particularly of interest owing to their potent antioxidant and anti-inflammatory activities, and they offer lots of brain-health-promoting features. This Review focuses on probing the neuroefficacy and bioefficacy of bioactives and their role in supporting relatively low antioxidative and low regenerative capacities of the brain, neurogenesis, neuroprotection, and ameliorating/treating NDDs.

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