Just a few cell clones can make heart muscle

singularitarian:

Just a handful of cells in the embryo are all that’s needed to form the outer layer of pumping heart muscle in an adult zebrafish.

Researchers at Duke University Medical Center used zebrafish embryos and careful employment of a new technique that allows for up to 90 color labels on different cells to track individual cells and cell lines as the heart formed.

The scientists were surprised by how few cells went into making a critical organ structure and they suspect that other organs may form in a similar fashion, said Kenneth Poss, Ph.D., professor in the Duke Department of Cell Biology and Howard Hughes Medical Institute.

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