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If you lose a limb, scientists suspect, you may someday be able to make a full recovery. Not with prosthetics, but by simply growing a new one.

A team of researchers studying the axolotl, a species of aquatic salamander, has taken one step closer to uncovering the mystery of limb regeneration in the creature by investigating the differences in molecular signature linked to regeneration in mice and axolotl, according to a recent study published in the journal American Association for Anatomy. The study also reveals how a mouse regenerates.

And, if we learn the secrets to limb regeneration in the axolotl, and adapt it for mammals like mice, then we'll be tremendously close to offering people who've lost limbs another option besides prosthetics.

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