Cartilage Woven with Stem Cells

Researchers at Duke University Medical Center have created a three dimensional woven scaffold that could be impregnated with a recipients own stem cells to create functional cartilage. From the article:
In laboratory tests, the fabric scaffold that the researchers have created had the same mechanical properties as native cartilage. In the near future, surgeons will be able to impregnate custom-designed scaffolds with cartilage-forming stem cells and chemicals that stimulate their growth and then implant them into patients during a single procedure, the researchers said.

via medGadget

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I have a bad hip and two bad knees, and I'm PRAYING something like this actually works. I have nightmares that six months after I finally break down and get all my joints replaced, they'll announce that they can repair cartilage with a pill or something.
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I know of a little boy who was born missing an outer ear. They've tried twice to graft skin and make him one, but it failed both times. This would be the kind of structure that just might work for him!
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Everyone in my family has bad knees, but I hate surgery! I'm just waiting for them to create a replacement knee that can be injected with no cutting. I'm keeping my fingers crossed that stem cells will enable this.

I'm not too picky ... I'd accept a magic pill that repaired all decaying bones and joints as well.
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