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Medical News & Perspectives
November 10, 2004

Animal Studies Show Stem Cells’ Promise

JAMA. 2004;292(18):2202-2204. doi:10.1001/jama.292.18.2202

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.