Neuronal lipid bilayer

The neuronal lipid bilayer is a complex, dynamic structure composed primarily of phospholipids, cholesterol, and sphingolipids that forms the fundamental structural matrix of the neuronal cell membrane (Spector, 1999, PMID: 10479465). Beyond acting as a simple physical barrier, it plays a critical role in organizing signaling complexes and maintaining the electrochemical gradients necessary for action potential propagation (Escribá et al., 2008, PMID: 18458323). In various neurological disorders, such as Alzheimer's and Parkinson's disease, the composition and fluidity of the neuronal membrane are significantly altered, often due to oxidative stress and lipid peroxidation (Farooqui et al., 2000, PMID: 10859679). Therapeutic strategies known as membrane-lipid therapy (MLT) aim to modulate the physical properties of the bilayer to restore normal cellular function or induce apoptosis in pathological cells (Escribá, 2006, PMID: 16564061). Drugs like general anesthetics and certain fatty acid derivatives interact directly with the lipid environment, influencing the function of embedded proteins like ion channels and G protein-coupled receptors (Cantor, 1997, PMID: 9230639). This target represents a shift from traditional protein-centric pharmacology toward a more holistic view of cellular regulation.

Other names

Neuronal membranePhospholipid bilayerPlasma membraneCell membrane

Modulation of membrane fluidity, thickness, and lateral organization (lipid rafts), which indirectly regulates the activity of membrane-bound proteins such as ion channels and receptors.