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Melatonin and Autophagy in Aging-Related Neurodegenerative Diseases

1
Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
2
Section of Molecular Pharmacology and Toxicology, Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
3
Division of Neuroscience & Behavior, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA
4
Departments of Orthopedic Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2020, 21(19), 7174; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms21197174
Received: 27 August 2020 / Revised: 21 September 2020 / Accepted: 22 September 2020 / Published: 28 September 2020
With aging, the nervous system gradually undergoes degeneration. Increased oxidative stress, endoplasmic reticulum stress, mitochondrial dysfunction, and cell death are considered to be common pathophysiological mechanisms of various neurodegenerative diseases (NDDs) such as Alzheimer’s disease (AD), Parkinson’s disease (PD), Huntington’s disease (HD), organophosphate-induced delayed neuropathy (OPIDN), and amyotrophic lateral sclerosis (ALS). Autophagy is a cellular basic metabolic process that degrades the aggregated or misfolded proteins and abnormal organelles in cells. The abnormal regulation of neuronal autophagy is accompanied by the accumulation and deposition of irregular proteins, leading to changes in neuron homeostasis and neurodegeneration. Autophagy exhibits both a protective mechanism and a damage pathway related to programmed cell death. Because of its “double-edged sword”, autophagy plays an important role in neurological damage and NDDs including AD, PD, HD, OPIDN, and ALS. Melatonin is a neuroendocrine hormone mainly synthesized in the pineal gland and exhibits a wide range of biological functions, such as sleep control, regulating circadian rhythm, immune enhancement, metabolism regulation, antioxidant, anti-aging, and anti-tumor effects. It can prevent cell death, reduce inflammation, block calcium channels, etc. In this review, we briefly discuss the neuroprotective role of melatonin against various NDDs via regulating autophagy, which could be a new field for future translational research and clinical studies to discover preventive or therapeutic agents for many NDDs. View Full-Text
Keywords: autophagy; melatonin; neurodegenerative diseases; Alzheimer’s disease; Parkinson’s disease; Huntington’s disease; organophosphate-induced delayed neuropathy; amyotrophic lateral sclerosis autophagy; melatonin; neurodegenerative diseases; Alzheimer’s disease; Parkinson’s disease; Huntington’s disease; organophosphate-induced delayed neuropathy; amyotrophic lateral sclerosis
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MDPI and ACS Style

Luo, F.; Sandhu, A.F.; Rungratanawanich, W.; Williams, G.E.; Akbar, M.; Zhou, S.; Song, B.-J.; Wang, X. Melatonin and Autophagy in Aging-Related Neurodegenerative Diseases. Int. J. Mol. Sci. 2020, 21, 7174. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms21197174

AMA Style

Luo F, Sandhu AF, Rungratanawanich W, Williams GE, Akbar M, Zhou S, Song B-J, Wang X. Melatonin and Autophagy in Aging-Related Neurodegenerative Diseases. International Journal of Molecular Sciences. 2020; 21(19):7174. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms21197174

Chicago/Turabian Style

Luo, Fang; Sandhu, Aaron F.; Rungratanawanich, Wiramon; Williams, George E.; Akbar, Mohammed; Zhou, Shuanhu; Song, Byoung-Joon; Wang, Xin. 2020. "Melatonin and Autophagy in Aging-Related Neurodegenerative Diseases" Int. J. Mol. Sci. 21, no. 19: 7174. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms21197174

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