Regulation of Melatonin and Neurotransmission in Alzheimer’s Disease |
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| Authors: | Jaydeep Roy Ka Chun Tsui Jonah Ng Man-Lung Fung Lee Wei Lim |
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| Affiliation: | School of Biomedical, Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China; (J.R.); (K.C.T.); (J.N.); (M.-L.F.) |
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| Abstract: | Alzheimer’s disease is a neurodegenerative disorder associated with age, and is characterized by pathological markers such as amyloid-beta plaques and neurofibrillary tangles. Symptoms of AD include cognitive impairments, anxiety and depression. It has also been shown that individuals with AD have impaired neurotransmission, which may result from the accumulation of amyloid plaques and neurofibrillary tangles. Preclinical studies showed that melatonin, a monoaminergic neurotransmitter released from the pineal gland, is able to ameliorate AD pathologies and restore cognitive impairments. Theoretically, inhibition of the pathological progression of AD by melatonin treatment should also restore the impaired neurotransmission. This review aims to explore the impact of AD on neurotransmission, and whether and how melatonin can enhance neurotransmission via improving AD pathology. |
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| Keywords: | melatonin, neurotransmission, Alzheimer’ s disease |
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