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Detection of Iron Depletion- and Hypoxia-Induced Mitophagy in Mammalian Cells

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Part of the book series: Methods in Molecular Biology ((MIMB,volume 1782))

Abstract

Mitochondrial autophagy or mitophagy is a process that selectively degrades mitochondria via autophagy. It is believed that mitophagy degrades damaged or unnecessary mitochondria and is important for maintaining mitochondrial homeostasis. To date, it is known that several stimuli can induce mitophagy. However, some of these stimuli (including iron depletion, hypoxia, and nitrogen starvation) induce mild mitophagy, which is difficult to detect by measuring the decrease in mitochondrial mass. Recently, we have successfully detected mitophagy induced under these conditions using mito-Keima as a reporter. In this chapter, we describe the protocols for induction and detection of iron depletion- and hypoxia-induced mitophagy using the mito-Keima-expressing cells.

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Acknowledgment

This work was supported in part by the Japan Society for the Promotion of Science KAKENHI [Grant numbers 17H03671 (T.K.), 16H01198 (T.K.), 16H01384 (T.K.), and 17 K15088 (S.Y.)], Yujin Memorial Grant (Niigata University School of Medicine) (T.K.), and Takeda Science Foundation (S.Y. and T.K.).

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Correspondence to Tomotake Kanki .

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Yamashita, Si., Kanki, T. (2018). Detection of Iron Depletion- and Hypoxia-Induced Mitophagy in Mammalian Cells. In: Palmeira, C., Moreno, A. (eds) Mitochondrial Bioenergetics. Methods in Molecular Biology, vol 1782. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7831-1_18

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  • DOI: https://doi.org/10.1007/978-1-4939-7831-1_18

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  • Publisher Name: Humana Press, New York, NY

  • Print ISBN: 978-1-4939-7830-4

  • Online ISBN: 978-1-4939-7831-1

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