New reports showing that stem cells can prevent vision loss in mice
with a blinding eye disorder and restore heart rhythm in pigs with abnormally
low heart rates bolster predictions that stem cell technology will have broad
medical applications. Such studies bring the technology closer to clinical
application, even as restrictions have been placed on the use of stem cells
derived from human embryos. In 2001, the Bush administration limited federally
funded researchers to the use of 78 existing lines, but only about a dozen
are currently useful for research purposes.
Hampton T. Animal Studies Show Stem Cells’ Promise. JAMA. 2004;292(18):2202–2204. doi:10.1001/jama.292.18.2202
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