Wednesday, February 26, 2020

Tag: proteins

Scientists find key protein for spinal cord repair

Published: November 3, 2016

zebrafish-regenerating-spinal-cordsHealing protein bridges severed tissue in fish

A freshwater zebrafish costs less than two bucks at the pet store, but it can do something priceless: Its spinal cord can heal completely after being severed, a paralyzing and often fatal injury for humans.

While watching these fish repair their own spinal cord injuries, Duke University scientists have found a particular protein important for the process. Their study, published Nov. 4 in the journal Science, could generate new leads into tissue repair in humans.

Scientists uncover new clues to repairing injured spinal cord

Published: August 5, 2014

p45 and p75 expression after sciatic nerve injuryFrogs, dogs, whales, snails can all do it, but humans and primates can’t. Regrow nerves after an injury, that is—while many animals have this ability, humans don’t. But new research from the Salk Institute suggests that a small molecule may be able to convince damaged nerves to grow and effectively rewire circuits. Such a feat could eventually lead to therapies for the thousands of Americans with severe spinal cord injuries and paralysis.

“This research implies that we might be able to mimic neuronal repair processes that occur naturally in lower animals, which would be very exciting,” says the study’s senior author and Salk professor Kuo-Fen Lee. The results were published in PLOS Biology.

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