Molecular bioelectricity: how endogenous voltage potentials control cell behavior and instruct pattern regulation in...

Area of Science:

• Cell Biology
• Developmental Biology
• Bioelectricity

Background:

• Cell behavior is influenced by biochemical gradients and gene expression.
• Endogenous bioelectrical cues from ion channels and pumps also regulate cell functions.
• Cell membrane potential (Vmem) and gap junction networks play crucial roles in multicellular organisms.

Purpose of the Study:

• To explore the role of bioelectrical signaling in cell regulation and pattern formation.
• To investigate how changes in Vmem are transduced into gene expression cascades.
• To understand the dynamics of bioelectrical networks beyond transcriptional regulation.

Main Methods:

• Utilizing new tools for in vivo tracking and manipulation of Vmem gradients.
• Analyzing the interplay between bioelectrical signals and transcriptional networks.
• Applying concepts from computational neuroscience to decipher bioelectrical codes.

Main Results:

• Bioelectrical signals regulate fundamental cell processes like proliferation, differentiation, and apoptosis.
• Spatiotemporal Vmem changes orchestrate pattern formation, regeneration, and anatomical axis determination.
• Novel roles for bioelectrical signaling and its molecular pathways have been identified.

Conclusions:

• Bioelectrical networks possess unique dynamics independent of gene expression alone.
• Cracking the bioelectric code offers opportunities to program cellular activity at organ levels.
• Understanding bioelectrical networks has transformative potential for embryogenesis, regeneration, cancer, and synthetic bioengineering.