Related Experiment Video

Updated: Jun 24, 2026

Assessment of Open Probability of the Mitochondrial Permeability Transition Pore in the Setting of Coenzyme Q Excess
07:35

Assessment of Open Probability of the Mitochondrial Permeability Transition Pore in the Setting of Coenzyme Q Excess

Published on: June 1, 2022

A CaPful of mechanisms regulating the mitochondrial permeability transition

Fabio Di Lisa1, Paolo Bernardi

  • 1Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, Padova, Italy. dilisa@bio.unipd.it

Journal of Molecular and Cellular Cardiology
|March 24, 2009
PubMed

Insights

The mitochondrial permeability transition pore (PTP) is crucial in cell death, particularly in cardiovascular diseases. Inorganic phosphate mediates PTP inhibition, offering cardioprotection in ischemia-reperfusion injury and heart failure.

Area of Science:

  • Mitochondrial biology
  • Cardiovascular pathophysiology
  • Cell death mechanisms

Background:

  • The mitochondrial permeability transition pore (PTP) is implicated in cell death pathways.
  • PTP inhibition has shown clinical evidence of cardioprotection, especially in ischemia-reperfusion injury.
  • Emerging research links PTP to heart failure and atherosclerosis.

Purpose of the Study:

  • To review factors controlling PTP.
  • To emphasize PTP's role in cardiovascular pathophysiology.
  • To highlight inorganic phosphate's role in PTP inhibition.

Main Methods:

  • Literature review of PTP research.
  • Analysis of PTP control mechanisms.
  • Focus on cardiovascular implications.

Main Results:

  • Inorganic phosphate is a key mediator of PTP inhibition.
  • Cyclosporin A and cyclophilin D ablation effects are phosphate-dependent.
  • PTP modulation is relevant for cardiovascular diseases.

Conclusions:

  • PTP remains a critical target for cardiovascular disease treatment.
  • Inorganic phosphate is a significant factor in PTP-mediated cardioprotection.
  • Further research into PTP modulation may yield novel therapeutic strategies.

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