If you want to grow human cells, try to approximate a human body.
Image: Fisher Studios
Typically, cells used in this sort of regenerative medicine are grown in static environments. Think: petri dishes and miniature 3D scaffolds. A few experiments in the past have shown that cells can be grown on moving structures like hinges, but these have only stretched or bent the tissue in a single direction.
Here’s the big caveat though: while the team observed changes in the exercising cells that were different from those grown in a static environment, they aren’t actually sure yet if those changes were any good.
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