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Title: Protective effects of melatonin on neurogenesis impairment in neurological disorders and its relevant molecular mechanisms
Authors: Leung, JWH
Cheung, KK 
Ngai, SPC 
Tsang, HWH 
Lau, BWM 
Issue Date: 2020
Source: International journal of molecular sciences, 2020, v. 21, no. 16, 5645
Abstract: Neurogenesis is the process by which functional new neurons are generated from the neural stem cells (NSCs) or neural progenitor cells (NPCs). Increasing lines of evidence show that neurogenesis impairment is involved in different neurological illnesses, including mood disorders, neurogenerative diseases, and central nervous system (CNS) injuries. Since reversing neurogenesis impairment was found to improve neurological outcomes in the pathological conditions, it is speculated that modulating neurogenesis is a potential therapeutic strategy for neurological diseases. Among different modulators of neurogenesis, melatonin is a particularly interesting one. In traditional understanding, melatonin controls the circadian rhythm and sleep-wake cycle, although it is not directly involved in the proliferation and survival of neurons. In the last decade, it was reported that melatonin plays an important role in the regulation of neurogenesis, and thus it may be a potential treatment for neurogenesis-related disorders. The present review aims to summarize and discuss the recent findings regarding the protective effects of melatonin on the neurogenesis impairment in different neurological conditions. We also address the molecular mechanisms involved in the actions of melatonin in neurogenesis modulation.
Keywords: Melatonin
Molecular mechanism
Neural stem cell
Neurogenesis impairment
Neurological disorder
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: International journal of molecular sciences 
EISSN: 1422-0067
DOI: 10.3390/ijms21165645
Rights: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Leung J -H, Cheung K-K, Ngai S -C, Tsang H -H, Lau B -M. Protective Effects of Melatonin on Neurogenesis Impairment in Neurological Disorders and Its Relevant Molecular Mechanisms. International Journal of Molecular Sciences. 2020; 21(16):5645, is available at
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