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Renal aging and mitochondrial quality control

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Abstract

Mitochondria are dynamic organelles that participate in different cellular process that control metabolism, cell division, and survival, and the kidney is one of the most metabolically active organs that contains abundant mitochondria. Perturbations in mitochondrial homeostasis in the kidney can accelerate kidney aging, and maintaining mitochondrial homeostasis can effectively delay aging in the kidney. Kidney aging is a degenerative process linked to detrimental processes. The significance of aberrant mitochondrial homeostasis in renal aging has received increasing attention. However, the contribution of mitochondrial quality control (MQC) to renal aging has not been reviewed in detail. Here, we generalize the current factors contributing to renal aging, review the alterations in MQC during renal injury and aging, and analyze the relationship between mitochondria and intrinsic renal cells. We also introduce MQC in the context of renal aging, and discuss the study of mitochondria in the intrinsic cells of the kidney, which is the innovation of our paper. In addition, during kidney injury and repair, the specific functions and regulatory mechanisms of MQC systems in resident and circulating cell types remain unclear. Currently, most of the studies we reviewed are based on animal and cellular models, the relationship between renal tissue aging and mitochondria has not been adequately investigated in clinical studies, and there is still a long way to go.

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Acknowledgements

This research was supported partly by the Natural Science Foundation of China (No.81800642, 82070754), partly by China Postdoctoral Science Foundation (2021M703608), and partly by Doctoral Scientific Research Foundation of Liaoning Province (20180540113). We want to express our gratitude for the drawing materials provided by BioRebder.

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LX, XG, JW wrote and edited the manuscript. XG and YW prepared the artwork. LX and XZ conceptualized the study and planned the structure and the content of the manuscript. All authors reviewed the manuscript.

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Correspondence to Li Xu.

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Guo, X., Wang, J., Wu, Y. et al. Renal aging and mitochondrial quality control. Biogerontology 25, 399–414 (2024). https://doi.org/10.1007/s10522-023-10091-6

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  • DOI: https://doi.org/10.1007/s10522-023-10091-6

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