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G Protein-Coupled Receptors Regulated by Membrane Potential
Dekel David1, Ziv Bentulila1, Merav Tauber1
1Department of Natural and Life Sciences, The Open University of Israel, Ra'anana 4353701, Israel.
International Journal of Molecular Sciences
|November 26, 2022
Summary
Voltage regulates G protein-coupled receptors (GPCRs), challenging previous assumptions. This review explores the molecular mechanisms and physiological roles of this voltage dependence in GPCRs.
Area of Science:
- Neuroscience
- Cell Biology
- Biochemistry
Background:
- G protein-coupled receptors (GPCRs) mediate crucial cellular signaling.
- GPCRs were not previously thought to be influenced by membrane potential.
- Emerging evidence indicates voltage regulation of various GPCRs.
Purpose of the Study:
- To review the understanding of GPCR voltage dependence.
- To explore proposed molecular mechanisms behind this regulation.
- To discuss potential physiological implications.
Main Methods:
- Literature review of studies on GPCR voltage dependence.
- Analysis of proposed molecular mechanisms.
- Synthesis of findings on physiological roles.
Main Results:
- Multiple GPCRs (muscarinic, adrenergic, dopaminergic, glutamatergic) are voltage-regulated.
- Research is actively elucidating the molecular basis for this effect.
- Voltage regulation may play significant physiological roles.
Conclusions:
- GPCRs exhibit voltage dependence, a newly recognized regulatory mechanism.
- Understanding the molecular basis is key to comprehending GPCR function.
- This phenomenon has potential implications for various physiological processes.
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