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Mitochondrial bioenergetics and pulmonary dysfunction: Current progress and future directions.

Vadim S Ten1, Veniamin Ratner2

  • 1Division of Neonatology, Department of Pediatrics, Columbia University Medical Center, New York, NY, United States.

Paediatric Respiratory Reviews
|May 8, 2019
PubMed
Summary
This summary is machine-generated.

Mitochondrial dysfunction impairs lung cell energy production, contributing to diseases like acute lung injury and asthma. Understanding these bioenergetic defects offers new therapeutic targets for pediatric lung conditions.

Keywords:
Bioenergetics failureBronchopulmonary dysplasiaHyperoxiaMitochondriaOxidative stressPulmonary hypertension

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Area of Science:

  • Mitochondrial biology
  • Pulmonary medicine
  • Pediatric respiratory diseases

Background:

  • Mitochondria are crucial for cellular energy, beyond just being the
  • powerhouse.
  • Impaired mitochondrial function is increasingly linked to various lung diseases.
  • Cellular bioenergetics is vital for recovery after lung injury.

Purpose of the Study:

  • To review mitochondrial bioenergetic dysfunction in lung diseases.
  • To outline challenges and future research directions in this field.
  • To identify potential therapeutic targets for pediatric lung conditions.

Main Methods:

  • Literature review focusing on mitochondrial bioenergetics.
  • Analysis of molecular mechanisms of mitochondrial dysfunction.
  • Examination of specific pediatric lung diseases: ALI/ARDS, pneumonia, BPD, asthma, and PH.

Main Results:

  • Mitochondrial dysfunction mechanisms include respiratory chain inhibition, uncoupling, altered calcium handling, and reactive oxygen species production.
  • These mechanisms contribute to the pathogenesis of ALI/ARDS, pneumonia, BPD, asthma, and PH.
  • Specific bioenergetic defects are associated with disease-specific pulmonary insufficiency.

Conclusions:

  • Mitochondrial bioenergetic dysfunction is a key factor in pediatric lung diseases.
  • Targeting mitochondrial pathways presents promising therapeutic strategies.
  • Further research is needed to fully elucidate these mechanisms and develop effective treatments.