Target intelligence / Profile preview

Mitochondrial Membrane Potential (ΔΨm)

Target
ΔΨm
Molecular classification
Electrochemical Gradient
01

Overview

The mitochondrial membrane potential (ΔΨm) is the electrical potential difference across the inner mitochondrial membrane. It is a key component of the proton motive force generated by the electron transport chain during oxidative phosphorylation, and it plays a central role in ATP synthesis, ion transport, and overall mitochondrial function. Stable levels of ΔΨm are crucial for normal cell functioning; transient changes can occur with physiological activity but prolonged disturbances may lead to cell dysfunction or death. Loss or sustained depolarization of ΔΨm can trigger mitophagy and is associated with various pathologies.

Other names
mtMPProton Motive Forcepmf
02

Biological functions

ATP synthesisIon transportProtein importMitochondrial functionRegulation of mitophagyDriving force for ATP synthase
03

Disease associations

Neurodegenerative diseasesCancerMetabolic disordersMitochondrial stressCell cycle dysregulation
04

Safety considerations

Dye aggregation during measurementNon-specific dye binding during measurementProlonged depolarization leading to cell dysfunction or death

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