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We grew human tear glands in the lab, and now we're making them cry

By Marie Bannier-Hélaouët, PhD Student, Hubrecht Institute, Utrecht University
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Most organs in the adult human body are capable of regeneration, which means they renew their cells to keep the tissue healthy and functional. This capacity is enabled by adult stem cells, which are present in most organs and divide to create new cells that replace older, damaged ones.

It turns out these stem cells can be isolated and grown in the lab. When we do this, the stem cells form tiny replicants of…

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