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Early work, which was carried out on pigs and mice show that protein infused patch can encourage the growth of new cells and reduce scarring.

Though these first trials were only conducted on animals, the positive results have researchers estimating that patches could be ready for human trials around 2017. The scarring is common following a heart attack, which makes the heart not pump as effectively and sometimes cause...

But by placing a bioengineered patch that mimics membrane tissue and acts as a source of FSTL1 on damaged mouse and pig hearts, the study authors found heart muscle cells started growing and spreading, improving heart function and survival. The new creation could be set to enter...