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Drug makes hearts repair themselves

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This is VERY exciting news.

Heart Repair

The damage caused by a heart attack had previously been considered permanent.

But a study in the journal Nature showed the drug, thymosin beta 4, if used in advance of a heart attack, was able to "prime" the heart for repair.

The British Heart Foundation described repair as the "holy grail of heart research", but said any treatment in humans was years away.

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The researchers at University College London looked at a group of cells which are able to transform into different types of heart tissue in an embryo.

In adults epicardium-derived progenitor cells line the heart, but have become dormant.

Scientists used a chemical, thymosin beta 4, to "wake them up".

Professor Paul Riley, from the University College London, said: "The adult epicardial cells which line the muscle of the heart can be activated, move inward and give rise to new heart muscle."

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