Origami Windmill Tetramers of Cell Membrane and Nuclear Envelope: A Unified Pathway Linking Electrical Activity and Genetic Regulation

Origami Windmill Tetramers of Cell Membrane and Nuclear Envelope: A Unified Pathway Linking Electrical Activity and Genetic Regulation

Sun Zuodong

Bioelectrical phenomena in cells are widely recognized, yet research on cell membrane electrophysiology and intranuclear genetic regulation has long remained relatively segregated as independent systems. The cell membrane governs ion exchange and generates potential fluctuations, while the cell nucleus controls the expression of genetic information. The stable signal coupling mechanism between the two has always warranted in-depth theoretical exploration.

Based on the Potassium Channel Origami Windmill Tetramer Model, we put forward an inference: potassium channel tetramers located on the inverted conical opening structures of the cell membrane share a homologous origami windmill tetramer conformation with the nuclear pore complexes on the nuclear envelope. This identical fundamental structural unit resides on two vital biological barriers of the cell—the cell membrane and the nuclear envelope.

Cell bioelectricity originates from continuous transmembrane exchange of potassium and sodium ions. Steady potassium reserves in the cytoplasm are sustained via persistent regulation by cell membrane potassium channels. It can thus be deduced that blockage of ion transport across the cell membrane and disruption of ionic homeostasis will disturb the cytoplasmic potassium environment, depriving the homologous tetramers of nuclear pores of a stable source of ion supply. Ionic homeostasis of the cell membrane serves as a prerequisite for the generation of electrical activity at the nuclear envelope.

Cell membrane potassium channels and nuclear pore tetramers do not operate independently; they form a dynamically linked system relying on cytoplasmic ion gradients. Action potentials across the cell membrane alter membrane potential and ion concentrations. There is an inherent time lag as such signals propagate toward the nuclear envelope. This objective phenomenon is herein named the Membrane–Nuclear Coupling Delay Effect.

This bioelectrical signaling pathway running through the cell membrane, cytoplasm and nuclear envelope carries biological significance far beyond merely sustaining cellular excitability. Transmembrane bioelectrical signals can penetrate the nuclear envelope and participate in the modification and regulation of genetic information inside the nucleus. This inference establishes a structural and functional bridge connecting electrophysiology and genetics, and offers a self-consistent physio-biological interpretive framework for the ubiquitous time lag between external stimuli and altered gene expression.

The unified origami windmill tetramer conformation, membrane-nucleus linkage mechanism, and Membrane–Nuclear Coupling Delay Effect together form a complete logical loop. Ion flow generates bioelectricity, which acts as the vital medium communicating physiological activities at the cell periphery and genetic regulation within the nucleus. This indicates that the functions of the cell membrane, nuclear envelope and nucleus cannot be studied in isolation. Life activities constitute a highly integrated interactive system, with cellular bioelectricity as the core carrier connecting the entire system. This work provides crucial theoretical support for cellular bioelectrogenetics.