how did they turn the cells into a polymer for the heart scaffold ?

http://www.sciencedaily.com/releases/2010/08/100809171531.htm
http://www.npr.org/templates/story/story.php?storyId=18023493

2011-02-22T14:40:15Z

thanks danie, all i was missing to understand was that one word: collagen :)

danie100uk2011-02-22T14:33:46Z

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May have misunderstood.

The heart is gently stripped of cells by using a detergent - this leaves the extracelllular matrix - a polymer of collagen - inert and insoluble. New cells (stem cells) will then be added to the structure to repopulate it with living heart muscle which gain coordination and structure from the matrix.