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Melatonin antagonizes cadmium ‐induced neurotoxicity by activating the transcription factor EB‐dependent autophagy–lysosome machinery in mouse neuroblastoma cells
Abstract Cadmium (Cd), a highly ubiquitous heavy metal, induces neurotoxicity. Melatonin, a major secretory product of the pineal gland, protects against Cd‐induced neurotoxicity. However, the mechanism that accounts for this protection remains to be elucidated. Herein, we exposed mouse neuroblastoma cells (Neuro‐2a cells) to different concentrations of cadmium chloride (CdCl2) (12.5, 25, and 50 μ mol L−1) for 24 hours. We showed that Cd inhibits autophagosome–lysosome fusion and impairs lysosomal function, subsequently leading to nerve cell death. In addition, Cd decreases the level of transcription factor EB...
Source: Journal of Pineal Research - August 2, 2016 Category: Research Authors: Min Li, Huifeng Pi, Zhiqi Yang, Russel J. Reiter, Shangcheng Xu, Xiaowei Chen, Chunhai Chen, Lei Zhang, Min Yang, Yuming Li, Pan Guo, Gaoming Li, Manyu Tu, Li Tian, Jia Xie, Mindi He, Yonghui Lu, Min Zhong, Yanwen Zhang, Zhengping Yu, Zhou Zhou Tags: Original Article Source Type: research

Melatonin antagonizes cadmium‐induced neurotoxicity by activating the transcription factor EB ‐dependent autophagy‐lysosome machinery in mouse neuroblastoma cells
This article is protected by copyright. All rights reserved.
Source: Journal of Pineal Research - July 11, 2016 Category: Research Authors: Min Li, Huifeng Pi, Zhiqi Yang, Russel J. Reiter, Shangcheng Xu, Xiaowei Chen, Chunhai Chen, Lei Zhang, Yang Min, Yuming Li, Pan Guo, Gaoming Li, Manyu Tu, Li Tian, Jia Xie, Mindi He, Yonghui Lu, Min Zhong, Yanwen Zhang, Zhengping Yu, Zhou Zhou Tags: Original Article Source Type: research

Melatonin antagonizes cadmium ‐induced neurotoxicity by activating the transcription factor EB ‐dependent autophagy‐lysosome machinery in mouse neuroblastoma cells
This article is protected by copyright. All rights reserved.
Source: Journal of Pineal Research - July 9, 2016 Category: Research Authors: Min Li, Huifeng Pi, Zhiqi Yang, Russel J. Reiter, Shangcheng Xu, Xiaowei Chen, Chunhai Chen, Lei Zhang, Yang Min, Yuming Li, Pan Guo, Gaoming Li, Manyu Tu, Li Tian, Jia Xie, Mindi He, Yonghui Lu, Min Zhong, Yanwen Zhang, Zhengping Yu, Zhou Zhou Tags: Original Article Source Type: research

Melatonin attenuates methamphetamine-induced neuroinflammation through the melatonin receptor in the SH-SY5Y cell line.
In this study, we investigated the effect of methamphetamine on TNFα expression and NFκB activation in the neuroblastoma cell line SH-SY5Y. We demonstrated the time-dependent effect of methamphetamine on the induction of TNFα expression as well as IκB degradation and NFκB nuclear translocation. Furthermore, we investigated the effect of melatonin on methamphetamine-induced TNFα overexpression and NFκB activation. The results showed that pretreatment with 100nM melatonin could prevent the TNFα overexpression caused by methamphetamine exposure. This attenuating effect was prevented by pre-incubation with luzindole, a...
Source: Neurotoxicology - August 14, 2015 Category: Neurology Authors: Wongprayoon P, Govitrapong P Tags: Neurotoxicology Source Type: research