New Stem Cell Therapy May Lead To Treatment For Deafness
Monday, March 23, 2009 - 09:28
in Biology & Nature
Researchers painstakingly dissected and cultured cochlear cells from 9-11 week-old human fetuses. The cells were expanded and maintained in vitro for up to one year, with continued division for the first 7 to 8 months and up to 30 population doublings, which is similar to other non-embryonic stem cell populations, such as bone marrow. Gene expression analysis showed that all cell lines expressed otic markers that lead to the development of the inner ear as well as markers expressed by pluripotent embryonic stem cells, from which all tissues and organs develop.
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