Mitochondrial dysfunction in postoperative cognitive dysfunction: From preclinical mechanisms to multimodal diagnostics and precision intervention

IF 12.4 1区 医学 Q1 CELL BIOLOGY
Fengying Liu , Xiaodong Wu , Zilin Wang , Ao Li , Yuan Luo , Jiangbei Cao
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引用次数: 0

Abstract

Postoperative cognitive dysfunction (POCD) poses a significant clinical challenge with far-reaching implications for patient recovery and long-term quality of life. Growing evidence underscores the central role of mitochondrial dysfunction in the pathogenesis of POCD, uncovering an intricate interplay of molecular mechanisms that influence cognitive function. This study reviews the key mechanistic pathways involving mitochondria: bioenergetic impairment and metabolic irregularities, oxidative stress pathways and neuroinflammation, disruptions in calcium signaling, and deficiencies in mitochondrial quality control mechanisms-including kinetic abnormalities, defective mitophagy, and mitochondrial genetic material damage. Each of these pathways acts as a potential molecular nexus contributing to the cognitive decline in post-surgery, revealing the multifaceted nature of POCD progression. Furthermore, the review synthesizes recent advances in diagnostic and preventive strategies targeting mitochondrial dysfunction, bridging preclinical discoveries with clinical relevance. By delineating the role of mitochondria in the molecular landscape of POCD, this review not only clarifies the disease’s pathogenic foundations but also paves the way for future translational research in mitochondria-targeted diagnostics and interventions.
术后认知功能障碍中的线粒体功能障碍:从临床前机制到多模式诊断和精确干预。
术后认知功能障碍(POCD)是一项重大的临床挑战,对患者的康复和长期生活质量有着深远的影响。越来越多的证据强调了线粒体功能障碍在POCD发病机制中的核心作用,揭示了影响认知功能的分子机制的复杂相互作用。本研究综述了涉及线粒体的关键机制途径:生物能量损伤和代谢异常,氧化应激途径和神经炎症,钙信号中断,线粒体质量控制机制缺陷,包括动力学异常,线粒体自噬缺陷和线粒体遗传物质损伤。这些途径中的每一条都是导致术后认知能力下降的潜在分子联系,揭示了POCD进展的多面性。此外,该综述综合了针对线粒体功能障碍的诊断和预防策略的最新进展,将临床前发现与临床相关性联系起来。通过描述线粒体在POCD分子格局中的作用,本综述不仅阐明了该病的致病基础,而且为未来线粒体靶向诊断和干预的转化研究铺平了道路。
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
Ageing Research Reviews
Ageing Research Reviews 医学-老年医学
CiteScore
19.80
自引率
2.30%
发文量
216
审稿时长
55 days
期刊介绍: With the rise in average human life expectancy, the impact of ageing and age-related diseases on our society has become increasingly significant. Ageing research is now a focal point for numerous laboratories, encompassing leaders in genetics, molecular and cellular biology, biochemistry, and behavior. Ageing Research Reviews (ARR) serves as a cornerstone in this field, addressing emerging trends. ARR aims to fill a substantial gap by providing critical reviews and viewpoints on evolving discoveries concerning the mechanisms of ageing and age-related diseases. The rapid progress in understanding the mechanisms controlling cellular proliferation, differentiation, and survival is unveiling new insights into the regulation of ageing. From telomerase to stem cells, and from energy to oxyradical metabolism, we are witnessing an exciting era in the multidisciplinary field of ageing research. The journal explores the cellular and molecular foundations of interventions that extend lifespan, such as caloric restriction. It identifies the underpinnings of manipulations that extend lifespan, shedding light on novel approaches for preventing age-related diseases. ARR publishes articles on focused topics selected from the expansive field of ageing research, with a particular emphasis on the cellular and molecular mechanisms of the aging process. This includes age-related diseases like cancer, cardiovascular disease, diabetes, and neurodegenerative disorders. The journal also covers applications of basic ageing research to lifespan extension and disease prevention, offering a comprehensive platform for advancing our understanding of this critical field.
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