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From Sci Fi to Reality: Unlocking the Secret to Growing New Limbs

(Mount Desert Island Biological Laboratory) Many lower organisms retain the miraculous ability to regenerate form and function of almost any tissue after injury. Humans share many of our genes with these organisms, but our capacity for regeneration is limited. Scientists at the MDI Biological Laboratory in Bar Harbor, Maine, are studying the genetics of these organisms to find out how regenerative mechanisms might be activated in humans.
The ability of animals to regenerate body parts has fascinated scientists since the time of Aristotle. But until the advent of sophisticated tools for genetic and computational analysis, scientists had no way of studying the genetic machinery that enables regeneration. Using such tools, scientists at the MDI Biological Laboratory have identified genetic regulators governing regeneration that are common across species…
The discovery of the common genetic regulators is expected to serve as a platform to inform new hypotheses about the genetic mechanisms underlying limb regeneration. The discovery also represents a major advance in understanding why many tissues in humans, including limb tissue, regenerate poorly -- and in being able to possibly manipulate those mechanisms with drug therapies.
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