Restoration of Hearing in Deaf Possible Via New Research

by Kathy Jones on  June 21, 2014 at 9:43 PM Research News   - G J E 4
A new research can help deaf individuals hear, researchers have claimed.

Spiral ganglion cells are essential for hearing and their irreversible degeneration in the inner ear is common in most types of hearing loss. Adult spiral ganglion cells are not able to regenerate.
 Restoration of Hearing in Deaf Possible Via New Research
Restoration of Hearing in Deaf Possible Via New Research

However, new evidence in a mouse model shows that spiral ganglion stem cells present in the inner ear are capable of self-renewal and can be grown and induced to differentiate into mature spiral ganglion cells as well as neurons and glial cells.

Marc Diensthuber and coauthors from Goethe-University (Frankfurt, Germany), Justus-Liebig University (Giessen, Germany), Harvard Medical School and Massachusetts Eye and Ear Infirmary (Boston, MA), and Harvard University and MIT (Cambridge, MA), conclude that the self-renewing properties demonstrated by spiral ganglion stem cells make them a promising source of replacement cells for therapies designed to regenerate the neural structures of the inner ear in the article "Spiral Ganglion Stem Cells Can Be Propagated and Differentiated Into Neurons and Glia"

"These findings are particularly interesting as they show that spiral ganglion stem cells can be propagated in vitro," BioResearch Open Access Editor Jane Taylor, PhD, MRC Centre for Regenerative Medicine, University of Edinburgh, Scotland, said. "These cells are normally poorly regenerated in the mammalian ear."

The research has been described in an article in BioResearch Open Access.

Source: ANI

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