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Mitochondrial quality control in human health and disease. 2024

Bo-Hao Liu, and Chen-Zhen Xu, and Yi Liu, and Zi-Long Lu, and Ting-Lv Fu, and Guo-Rui Li, and Yu Deng, and Guo-Qing Luo, and Song Ding, and Ning Li, and Qing Geng
Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China.

Mitochondria, the most crucial energy-generating organelles in eukaryotic cells, play a pivotal role in regulating energy metabolism. However, their significance extends beyond this, as they are also indispensable in vital life processes such as cell proliferation, differentiation, immune responses, and redox balance. In response to various physiological signals or external stimuli, a sophisticated mitochondrial quality control (MQC) mechanism has evolved, encompassing key processes like mitochondrial biogenesis, mitochondrial dynamics, and mitophagy, which have garnered increasing attention from researchers to unveil their specific molecular mechanisms. In this review, we present a comprehensive summary of the primary mechanisms and functions of key regulators involved in major components of MQC. Furthermore, the critical physiological functions regulated by MQC and its diverse roles in the progression of various systemic diseases have been described in detail. We also discuss agonists or antagonists targeting MQC, aiming to explore potential therapeutic and research prospects by enhancing MQC to stabilize mitochondrial function.

UI MeSH Term Description Entries
D008928 Mitochondria Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed) Mitochondrial Contraction,Mitochondrion,Contraction, Mitochondrial,Contractions, Mitochondrial,Mitochondrial Contractions
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D063154 Mitochondrial Dynamics The continuous remodeling of MITOCHONDRIA shape by fission and fusion in response to physiological conditions. Mitochondrial Fission,Mitochondrial Fission and Fusion,Mitochondrial Fusion,Mitochondrial Fusion and Fission,Dynamic, Mitochondrial,Dynamics, Mitochondrial,Fission, Mitochondrial,Fissions, Mitochondrial,Fusion, Mitochondrial,Fusions, Mitochondrial,Mitochondrial Dynamic,Mitochondrial Fissions,Mitochondrial Fusions
D063306 Mitophagy Proteolytic breakdown of the MITOCHONDRIA via autophagy. Mitochondrial Degradation

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