Volume 94 Issue 3 | pp. 30-31
Issue Date: January 18, 2016

How Platelet Disguises Could Aid Drug Delivery

Drug-loaded particles coated with natural platelet membranes target cancer cells and pathogens
Department: Science & Technology
News Channels: Biological SCENE, Materials SCENE, Nano SCENE
Keywords: drug delivery, platelet mimics, nanoparticles, materials

The usual job of the blood cells known as platelets is stopping bleeding. They rush to sites of vascular injury and signal other platelets to join them in forming blood clots.

But circulating tumor cells and bacterial invaders can hijack platelets to help them evade the body’s immune system. These other cells bind to proteins on the surfaces of the blood cells. Once the cells hitch a ride with the platelets, they attract less attention . . .

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