Thanks to startling new research on immune cells in salamanders, medical science may be able to help humans one day regrow their limbs and regenerate their organs.
The key? Salamanders’ immune systems hold the secret to regrowing limbs. It could also help them regenerate spinal cords, brain tissue and even parts of their hearts, researchers have discovered.
Scientists from the Australian Regenerative Medicine Institute (ARMI) at Monash University found that immune cells — known as macrophages — are removed in salamanders, the amphibians lose their capability to regrow a limb. Instead, their bodies formed scar tissue.
Head researcher Dr. James Godwin says this brings scientists closer to understanding the biological conditions needed to regenerate body parts in humans.
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