Researchers use magnetism to target cells to animal arteries

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Magnetic nanoparticles loaded into endothelial cells show a red fluorescent glow on the struts of a steel stent. Credit: The Childrens Hospital of Philadelphia
Magnetic nanoparticles loaded into endothelial cells show a red fluorescent glow on the struts of a steel stent. Credit: The Children's Hospital of Philadelphia

Scientists have used magnetic fields and tiny iron-bearing particles to drive healthy cells to targeted sites in blood vessels. The research, done in animals, may lead to a new method of delivering cells and genes to repair injured or diseased organs in people.


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