Via PhysOrg.com: "A technique that combines nanotechnology with adult stem cells appears to destroy atherosclerotic plaque and rejuvenate the arteries ... nanoparticles (microscopic particles with at least one dimension less than 80 nm) were infused into the heart of pigs along with adult stem cells. After the nanoparticles were heated by laser light, they burned away arterial plaque. However, nanoparticles were less effective at eliminating plaque if not combined with adult stem cells. ... Unlike angioplasty, a common treatment for atherosclerosis, this new technique seems to actually demolish the plaque. ... The researchers found that plaque volume shrunk considerably in the nanoparticle groups immediately after the procedure (an average of 28.9 percent across the three groups) and six months later plaque volume had declined 56.8 percent on average. ... both groups that received stem cells showed signs of new blood vessel growth (neovascularization) and restoration of artery function."

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