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Nutrients 2018, 10(7), 881;

A Review on the Relationship between Tocotrienol and Alzheimer Disease

Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras 56000, Malaysia
Columbia Asia Hospital, Miri 98009, Malaysia
Author to whom correspondence should be addressed.
Received: 25 May 2018 / Revised: 12 June 2018 / Accepted: 4 July 2018 / Published: 9 July 2018
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Alzheimer’s disease (AD) is plaguing the aging population worldwide due to its tremendous health care and socioeconomic burden. Current treatment of AD only offers symptomatic relief to patients. Development of agents targeting specific pathologies of AD is very slow. Tocotrienol, a member of the vitamin E family, can tackle many aspects of AD, such as oxidative stress, mitochondrial dysfunction and abnormal cholesterol synthesis. This review summarizes the current evidence on the role of tocotrienol as a neuroprotective agent. Preclinical studies showed that tocotrienol could reduce oxidative stress by acting as a free-radical scavenger and promoter of mitochondrial function and cellular repair. It also prevented glutamate-induced neurotoxicity in the cells. Human epidemiological studies showed a significant inverse relationship between tocotrienol levels and the occurrence of AD. However, there is no clinical trial to support the claim that tocotrienol can delay or prevent the onset of AD. As a conclusion, tocotrienol has the potential to be developed as an AD-preventing agent but further studies are required to validate its efficacy in humans. View Full-Text
Keywords: brain; cognition; memory; mitochondria; neuron; oxidative stress; vitamin E brain; cognition; memory; mitochondria; neuron; oxidative stress; vitamin E

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Chin, K.-Y.; Tay, S.S. A Review on the Relationship between Tocotrienol and Alzheimer Disease. Nutrients 2018, 10, 881.

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