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Mitohormesis; Potential implications in neurodegenerative diseases.

Dhruv Gohel1, Rajesh Singh1

  • 1Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara 390002, Gujarat, India.

Mitochondrion
|November 21, 2020
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Summary

Mitochondrial dysfunction contributes to neurodegenerative diseases (NDDs). Mitohormesis, a process involving reactive oxygen species (ROS), shows promise for rescuing neuronal death and maintaining neuronal homeostasis in NDDs.

Keywords:
MitochondriaMitohormesisNeurodegenerationROSUPR(mt)

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Area of Science:

  • Neuroscience
  • Cell Biology
  • Biochemistry

Background:

  • Mitochondrial dysfunction is a key factor in neurodegenerative diseases (NDDs).
  • The communication between mitochondria and the nucleus is crucial for neuronal health and survival.
  • Progressive neurodegeneration impairs mitochondrial function, affecting energy production and increasing reactive oxygen species (ROS).

Purpose of the Study:

  • To review the link between mitochondrial dysfunction, altered ROS levels, and NDDs.
  • To explore the role of ROS in regulating mitohormesis.
  • To emphasize the significance of mitohormesis in maintaining neuronal homeostasis and potentially alleviating neurodegeneration.

Main Methods:

  • Systematic review of existing scientific literature.
  • Analysis of studies reporting mitochondrial dysfunction and ROS levels in NDDs.
  • Discussion of the regulatory role of ROS in mitohormesis.

Main Results:

  • Mitochondrial dysfunction in NDDs leads to altered oxidative phosphorylation and increased ROS production.
  • ROS, within specific ranges, can induce mitohormesis, a survival-enhancing cellular response.
  • Mitohormesis plays a vital role in neuronal homeostasis.

Conclusions:

  • Mitohormesis is an emerging mechanism for rescuing mitochondrial dysfunction in neurodegeneration.
  • Targeting intracellular ROS-mediated mitohormesis offers a potential therapeutic strategy for NDDs.
  • Further research into mitohormesis is crucial for developing novel treatments for neurodegenerative conditions.