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Updated: Jul 16, 2026
07:35
Assessment of Open Probability of the Mitochondrial Permeability Transition Pore in the Setting of Coenzyme Q Excess
Published on: June 1, 2022
The mitochondrial permeability transition in neurologic disease
1Veterans Affairs Medical Center, University of Miami Miller School of Medicine, Miami, FL 33101, USA. mnorenbe@med.miami.edu
Neurochemistry International
|April 3, 2007
Summary
Mitochondrial permeability transition (mPT) causes cell death by disrupting energy production. This process, triggered by calcium and oxidative stress, is implicated in neurodegenerative diseases.
Area of Science:
- Mitochondrial biology
- Cell death pathways
- Neuroscience
Background:
- Mitochondria are essential for cellular energy production.
- Mitochondria also play a critical role in regulating cell death.
- Mitochondrial permeability transition (mPT) is a key event in cell death.
Purpose of the Study:
- To discuss the concept of mPT.
- To explore the molecular composition, inducers, and regulators of mPT.
- To review the role of mPT in neurological disorders.
Main Methods:
- Review of existing literature on mPT.
- Discussion of molecular mechanisms.
- Analysis of mPT's role in disease pathology.
Main Results:
- mPT involves the opening of a pore in the inner mitochondrial membrane.
- Elevated intracellular Ca2+ and oxidative stress are primary inducers of mPT.
- Cyclosporin A is a known inhibitor of mPT.
Conclusions:
- mPT leads to mitochondrial dysfunction, energy failure, and cell death (necrosis or apoptosis).
- mPT contributes to acute neurological conditions like ischemia and trauma.
- mPT is implicated in chronic neurodegenerative diseases, including Alzheimer's and Parkinson's disease.
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