In the Hollywood hot action movie "Death", the male lead obtained the ability to regenerate the broken limb through genetic modification. Scientists say that in the future, the superhero's exclusive ability may enter thousands of households, and only a few pills can be used to activate the genetic mechanism.
Recently, scientists have discovered a set of gene switches that allow animals such as baboons to regenerate limbs and body tissues, and this set of gene switches may reveal the secrets of limb regeneration. Earthworms are primitive amphibians, with more than 400 species around the world that regenerate their tails, legs, and even the spinal cord. Scientists have discovered that it shares a genetic mechanism with two other organisms, both of which also have tissue regeneration capabilities: zebrafish and multi-fin fish.
This finding means that these three organisms may inherit the regenerative capacity of a same ancestor 420 million years ago, and humans may also inherit some of their genes, but these genes are very active in humans.
Through this discovery, scientists in the future are expected to improve human wound healing and even regenerate limb tissue. Dr. Yin Water, a biologist at the MDI Biology Laboratory in the United States, said: "Human limb regeneration sounds a bit like a science fiction plot, but it is likely to become a reality in the future."
“In fact, we identified the genetic information of three limb regenerative organisms with different types of appendages, which means that there is a common 'gene switch' in nature that regulates the regenerative capacity of all animals, including humans. Said Dr. Yin Water.
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