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Artificial tissue has always lacked a key ingredient: blood vessels. A new 3-D printing technique seems poised to change that.
Artificial trachea built from scratch shows the promise of regenerative medicine.
Embryonic stem cells growing in a dish can spontaneously form complex structures resembling the retina—a discovery that could one day help restore sight to the blind.
Some scientists are reluctant to enter the field, and some consider leaving it altogether, because of the uncertainty of government regulations.
Unhealthy organs provide a framework for growing replacement ones.
A startup aims to repair heart damage with peptides that trigger the proliferation of heart cells.
A simple approach shows that cells might be more flexible than once thought.
Scientists find a better way to make more of the cells that make blood vessels.