Researchers at UC Berkeley have managed to use an electric field to herd a flock of cells.
At the moment, It’s still a very blunt tool, but the scientists hope it can be refined and used to help wounds heal. This is an exciting step in the direction of “smart bandages” — using an electrical stimulation to help heal wounds. (The researchers used the epithelial cells, the same cells that bind together to form skin, kidneys and other organs.)
Electricity has been used before to direct individual cells (the technical term for this is galvanotaxis), but how it influences the collective motion of cells was still unclear.
“The ability to govern the movement of a mass of cells has great utility as a scientific tool in tissue engineering,” said study senior author Michel Maharbiz, UC Berkeley associate professor of electrical engineering and computer sciences. “Instead of manipulating one cell at a time, we could develop a few simple design rules that would provide a global cue to control a collection of cells.”