Scientists have identified key genes that may unlock the future of limb regeneration. A study in Proceedings of the National Academy of Sciences found that genes like SP8 and SP6 play a crucial role in regrowth across species such as axolotls, zebrafish, and mice.
Using CRISPR, researchers showed that removing these genes disrupted limb and digit regeneration. They also developed gene therapies that partially restored regrowth in mice.
While humans cannot yet regenerate limbs, this breakthrough offers a major step toward regenerative medicine, bringing hope for future treatments beyond prosthetics.
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