Pigs and grizzlies, not monkeys, hold clues to youthful human skin
PULLMAN, Wash. — The secret to youthful appearance and repairing scars may lie in a microscopic skin structure humans share with pigs and grizzly bears — but, surprisingly, not monkeys.
While it had been thought these ridge and valley-like skin microstructures — called rete ridges — form during fetal growth, researchers at Washington State University’s College of Veterinary Medicine found they actually develop shortly after birth and identified a key molecular signal that drives their development.
The findings, published in the journal Nature, could lead to new therapies designed to reverse or slow skin aging and improve wound and scar ...