Making Vessels Leaky On Demand Could Aid Drug Delivery, Emory University Study

Published: Jun 08, 2017

The endothelial cells that line blood vessels are packed tightly to keep blood inside and flowing, but scientists at Rice University and their colleagues have discovered it may be possible to selectively open gaps in those barriers just enough to let large molecules through—and then close them again.

Rice bioengineer Gang Bao and collaborators at Emory University and the Georgia Institute of Technology reported using magnets to help iron-oxide nanoparticles invade endothelial cells both in the lab and in vivo. Then they use the same magnets to make vessels temporarily "leaky."

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