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Adult, Heal Thyself

Restarting Embryonic Protein Helps Wound Repair in Adults

By Anette Breindl
Science Editor

Friday, November 8, 2013
By reactivating a gene that is normally active in embryonic and fetal tissues, but largely silent after birth, researchers have managed to improve the abilities of some adult tissues to grow and repair themselves after injury. The findings were published in the Nov. 7, 2013, issue of Cell. It has long been clear that the ability to recover from injuries starts declining quite early in life. But the genetic drivers of that change have remained largely unknown, even though clearly “tissues have to know what age they are, to behave accordingly,” Hao Zhu, of the University of Texas Southwestern Medical Center, told BioWorld Today.

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