Heavy metal-induced disruption of the autophagy-lysosomal pathway: implications for aging and neurodegenerative disorders

IF 4.1 3区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY
Shrabani Das, Lokesh Murumulla, Pritha Ghosh, Suresh Challa
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引用次数: 0

Abstract

Heavy metals such as lead, mercury, cadmium, magnesium, manganese, arsenic, copper pose considerable threats to neuronal health and are increasingly recognized as factors contributing to aging-related neurodegeneration. Exposure to these environmental toxins disrupts cellular homeostasis, resulting in oxidative stress and compromising critical cellular processes, particularly the autophagy-lysosomal pathway. This pathway is vital for preserving cellular integrity by breaking down damaged proteins and organelles; however, toxicity from heavy metals can hinder this function, leading to the buildup of harmful substances, inflammation, and increased neuronal injury. As individuals age, the consequences of neurodegeneration become more significant, raising the likelihood of developing disorders like Alzheimer’s and Parkinson’s disease. This review explores the intricate relationship between heavy metal exposure, dysfunction of the autophagy-lysosomal pathway, and aging-related neurodegeneration, emphasizing the urgent need for a comprehensive understanding of these mechanisms. The insights gained from this analysis are crucial for creating targeted therapeutic approaches aimed at alleviating the harmful effects of heavy metals on neuronal health and improving cellular resilience in aging populations.

重金属诱导的自噬-溶酶体途径的破坏:对衰老和神经退行性疾病的影响。
铅、汞、镉、镁、锰、砷、铜等重金属对神经元健康构成相当大的威胁,并日益被认为是导致与年龄相关的神经变性的因素。暴露于这些环境毒素会破坏细胞稳态,导致氧化应激并损害关键的细胞过程,特别是自噬-溶酶体途径。这一途径对于通过分解受损的蛋白质和细胞器来保持细胞完整性至关重要;然而,重金属的毒性会阻碍这一功能,导致有害物质的积累、炎症和神经损伤的增加。随着个体年龄的增长,神经退行性变的后果变得更加严重,增加了患阿尔茨海默氏症和帕金森病等疾病的可能性。本文探讨了重金属暴露、自噬-溶酶体通路功能障碍和衰老相关神经退行性变之间的复杂关系,强调迫切需要全面了解这些机制。从这一分析中获得的见解对于创造有针对性的治疗方法至关重要,这些治疗方法旨在减轻重金属对神经元健康的有害影响,并改善老年人的细胞恢复能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Biometals
Biometals 生物-生化与分子生物学
CiteScore
5.90
自引率
8.60%
发文量
111
审稿时长
3 months
期刊介绍: BioMetals is the only established journal to feature the important role of metal ions in chemistry, biology, biochemistry, environmental science, and medicine. BioMetals is an international, multidisciplinary journal singularly devoted to the rapid publication of the fundamental advances of both basic and applied research in this field. BioMetals offers a forum for innovative research and clinical results on the structure and function of: - metal ions - metal chelates, - siderophores, - metal-containing proteins - biominerals in all biosystems. - BioMetals rapidly publishes original articles and reviews. BioMetals is a journal for metals researchers who practice in medicine, biochemistry, pharmacology, toxicology, microbiology, cell biology, chemistry, and plant physiology who are based academic, industrial and government laboratories.
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