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Fate Mapping of Human Embryonic Stem Cells by Teratoma Formation
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Mitophagy-driven metabolic switch reprograms stem cell fate.

Prajna Paramita Naik1,2, Alexander Birbrair3, Sujit Kumar Bhutia4

  • 1Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India.

Cellular and Molecular Life Sciences : CMLS
|September 30, 2018
PubMed
Summary
This summary is machine-generated.

Mitophagy, the clearance of damaged mitochondria, is crucial for cellular reprogramming. This process drives cell fate transitions by altering mitochondrial dynamics and metabolism during differentiation and dedifferentiation.

Keywords:
Cellular reprogrammingDifferentiationMetabolic shiftMitophagyStemness

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Area of Science:

  • Cell Biology
  • Mitochondrial Biology
  • Stem Cell Biology

Background:

  • Cellular reprogramming involves cell fate transitions affecting mitochondrial dynamics and metabolism.
  • Mitochondrial morphology, number, and function dynamically change during differentiation and dedifferentiation.
  • Mitophagy, the selective degradation of mitochondria, is implicated in these cellular processes.

Purpose of the Study:

  • To review the mechanism of mitophagy.
  • To explore the association between mitophagy and cellular programming.
  • To highlight the role of mitophagy in mitochondrial energetics and cell fate transition.

Main Methods:

  • Literature review focusing on mitophagy, mitochondrial dynamics, and cellular reprogramming.
  • Analysis of the role of mitophagy in stem cell differentiation and dedifferentiation.
  • Examination of metabolic shifts induced by mitophagy.

Main Results:

  • Mitophagy is essential for stem cell differentiation into various lineages.
  • Mitophagy plays a key role in dedifferentiation and cancer cell stemness acquisition.
  • Mitophagy-induced mitochondrial rejuvenation facilitates metabolic shifts (glycolytic or OXPHOS) and bioenergetic remodeling.

Conclusions:

  • Mitophagy is a critical regulator of mitochondrial dynamics and energetics.
  • Metabolic shifts driven by mitophagy are central to cell fate transitions during differentiation and dedifferentiation.
  • Understanding mitophagy offers insights into controlling cellular developmental capabilities.