This is very cool. Researchers at the Cedars-Sinai Heart Institute have succeeded in inserting micro-sized particles of iron into stem cells and then using a magnet to direct the stem cells into a heart in a possible treatment for heart attacks.
The study is published today online by Circulation Research, a scientific journal of the American Heart Association.
The iron-laden cells were injected into rats with a heart attack and then the doctors used a toy magnet placed externally above the heart to guide the cells to the heart.
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