Fountain-of-youth gene repairs tissue damage in adults

Young animals recover from tissue damage better than adults, and from Charles Darwin's time until now, scientists have puzzled over why this is the case. A study has revealed that an evolutionarily conserved gene called Lin28a, which is very active in embryos but not in adults, enhances tissue repair after injury when reactivated in adult mice. The findings open up new avenues for the treatment of injuries and degenerative diseases in adult humans.

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