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A comment on Scientists use adult skin cells to regenerate functional human heart tissue. Parent comment

Re:Scientists use adult skin cells to regenerate functional ... by JumpCrisscross on Monday March 21, 2016 @01:00AM (#11326319)
> I don't find [not growing versus growing the matrix from scratch] to be an interesting distinction

I do. Refurbishing means being stuck to nature's blueprint. Growing cells on an artificial matrix means having the ability to engineer useful changes.

There also the minor point of not everyone's hearts being the same size.

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Re:Scientists use adult skin cells to regenerate functional ... by nycthbris on Monday March 21, 2016 @11:20AM (#11328659)
Currently decellularized matrix (being stuck to nature's blueprint as you say) is the best substrate for regenerating heart tissue. Artificial matrices we can create (including 3D printing) have nowhere near the complexity of what exists in nature.
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