Kidney-on-a-chip may save lives

​Because they filter our blood, our kidneys are particularly susceptible to damage from toxins in our bloodstream. So, how do drug developers know how much is safe? Typically, it's through animal testing, although researchers have now developed something more accurate – a "kidney-on-a-chip."​

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"Mini-kidney" grown from stem cells

Instead of having to wait for one of the limited number of donor kidneys, patients in need of a transplant may eventually be able to have a new kidney custom-grown for them. That possibility recently took one step closer to reality, as scientists successfully grew a "mini-kidney" from stem cells.

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