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Researchers inject nanofiber spheres carrying cells into wounds to grow tissue
Date:4/17/2011

could hurt the cells, he says.

The nanofibrous hollow spheres are combined with cells and then injected into the wound. When the nanofiber spheres, which are slightly bigger than the cells they carry, degrade at the wound site, the cells they are carrying have already gotten a good start growing because the nanofiber spheres provide an environment in which the cells naturally thrive.

This approach has been more successful than the traditional cell matrix currently used in tissue growth, he says. Until now, there has been no way to make such a matrix injectable so it's not been used to deliver cells to complex-shaped wounds.

During testing, the nanofiber repair group grew as much as three to four times more tissue than the control group, Ma says. The next step is to see how the new cell carrier works in larger animals and eventually in people to repair cartilage and other tissue types.


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Contact: Laura Bailey
baileylm@umich.edu
734-764-1552
University of Michigan
Source:Eurekalert

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