Deafness is the the loss of hair cells, which are the sensory receptors.
Some researchers have has isolated human auditory stem cells, wick other kind of cells can come from, from the inner ear.
They dissected cochlear cells from 9-11 week-old human fetuses. They continued division for the first 7 to 8 months and had up to 30 population doublings.
Gene expression analysis showed that all the cell lines lead to the development of the inner ear and found embryonic stem cells, from which all tissues and organs develop.
In the future studies will aim to improve the differentiation system.
"There are currently no treatments to restore permanent hearing loss so this has the potential to make a difference to millions of deaf people."
http://timesofindia.indiatimes.com/Lifestyle/Stem-cell-therapy-may-treat-deafness/articleshow/4330632.cms.
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