Neuronal membrane potential modulation

Neuronal membrane potential modulation" refers to the dynamic regulation of the electrical charge difference across the neuronal plasma membrane. This process underlies fundamental aspects of neural signaling including action potentials and synaptic transmission. The resting membrane potential is typically maintained by ionic gradients established by transporters like the sodium-potassium pump and selective permeability through various ion channels[1][4]. Modulation occurs via changes in activity or expression of these ion channels—such as voltage-gated sodium, potassium, calcium channels—and can be influenced by neurotransmitter receptors that open ligand-gated ion channels[2][3]. These changes alter neuron excitability and are essential for processes like signal propagation, synaptic integration, homeostatic plasticity, and adaptation to changing network activity[3][5]. However, "neuronal membrane potential modulation" is not a single molecular target but rather describes a complex physiological phenomenon involving many different proteins. This entry does not correspond to an individual therapeutic target such as a receptor or enzyme but instead encompasses multiple molecular entities involved in regulating neuronal excitability. Therefore it should not be considered a canonical drug target on its own.

Other names

Neuronal membrane potentialMembrane excitabilityAction potential modulationIntrinsic neuronal excitability