Stem cells form inner ear structures. It was fun reading about work by a team from my alma mater, Indiana
University that makes major strides toward repairing hearing loss. They
got mouse embryonic stem cells to turn into structures of the inner ear,
including bundles of hair cells that receive sound and the supporting
cells and neurons that transmit the signals to the brain. Previous
attempts to do this using standard flat laboratory cell cultures have
had poor results. So instead the Hoosiers created three dimensional cell
cultures that more closely mimicked the environment of the inner ear in
the developing embryo
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