Sunday, April 27, 2014

new technology may help reverse hearing loss


This is a post on my neurobio teacher's blog.............

Apparently birds and other critters can grow new hair cells in their ears throughout life.  Mammals can't.

The following paragraph is a gross undersimplification, and may well contain errors introduced by me:

Scientists have identified a gene that can direct brand-new cells to grow up to be ear-hair cells.  In mammals, this gene is not expressed.  Experiments are underway to cause the gene to be expressed.  Mice seem to be growing new ear-hair cells as a result..........


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