I think you're underestimating the significance of this.
A creature such as a lobster can regenerate an entire limb. If you cut a starfish in two, each half will regenerate the missing half so that it becomes two independent starfish. When human flesh heals, it tends to simply fill in the gap with scar tissue rather than replace the missing part. Especially for specialised tissue such as brain and heart tissue, once you've lost it, it's gone for good.
If we can figure out how to make these parts regenerate, then it will revolutionize the treatment of all kinds of illness - stroke, heart attack, amputation, etc.
Richard