A Mexican axolotl in Wake Forest University biologist Josh Currie's regeneration lab. Credit: Wake Forest University Scientists studying axolotls, zebrafish, and mice have uncovered a shared set of genes that could someday help researchers develop therapies for regrowing human limbs. The findings, published in the Proceedings of the National Academy of Sciences , point to a possible new direction for regenerative medicine and gene therapy. "This significant research brought together three labs,