When a person suffers a heart attack, the time it takes to get treatment is crucial. That's because once heart muscle tissue is damaged, it can't be healed.
A researcher from St. Boniface Hospital, however, has found a gene that could bring damaged heart tissue back to life.
"The cells that make up the heart muscle itself - once they're damaged or injured they're not replaced by new ones," said Dr. Lorrie Kirshenbaum, a researcher at St. Boniface Hospital.
Researchers had little success locating a key gene.
"This gene we've been chasing for about 12 years," said Kirshenbaum.
But now they've found it.
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