Similar regulatory mechanisms regulate limb and tail regeneration.
The spinal cord can transform wound healing into tail regeneration in A. mexicanum.
Fgf2+Fgf8+Bmp7 can substitute for the spinal cord function in axolotls and newts.
The blastema cells induced by Fgf2+Fgf8+Bmp7 can differentiate into some cell types.
Similar experimental results were obtained in a newt.