“Nanoburrs” are nanoparticles coated with a sticky protein that makes them cling onto artery walls while they slowly release drugs: the US researchers who are developing them hope they will one day provide an alternative to drug-releasing stents in fighting heart disease. The Massachusetts Institute of Technology, (MIT) and Harvard Medical School researchers, wrote about how they developed and tested the nanoburrs as potential drug-releasing agents for targeting and repairing damaged blood vessels.

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Drug-coated stents increased the risk of death in certain heart attack patients by nearly five times according to a recent study presented at the meeting of the European Society of Cardiology in Vienna. “Patients are now very wary about these stents,” lead researcher Gabriel Steg said. “Personally, I don’t use these stents in heart attack patients any longer.”

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