Eliminating p63 gene could convert scar tissue into heart muscle
After a heart attack, the parts of the heart muscle that die do not regenerate into new heart tissue; instead, they are replaced by scar
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fibroblasts
How Gata4 helps mend a broken heart
During a heart attack, blood stops flowing into the heart; starved for oxygen, part of the heart muscle dies. The heart muscle does not regenerate;
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