Scientists in Australia have discovered that the human heart is capable of regenerating muscle cells after a heart attack, a breakthrough that could pave the way for new treatments for heart failure. This is the first time such regeneration has been observed in humans, a phenomenon previously documented only in mice.

The study, published in 'Circulation Research', found that while certain areas of the heart remain scarred following a heart attack, new cardiac muscle cells are produced, suggesting that damaged heart tissue may have a previously unrecognised capacity for repair.

Researchers used living heart tissue samples from patients undergoing bypass surgery at Royal Prince Alfred Hospital in Sydney to make the discovery. The findings indicate that the heart’s natural ability to produce new cells could be amplified in the future to restore function in damaged hearts.

Heart attacks typically destroy a third of the heart’s muscle cells, reducing the organ’s ability to pump blood effectively. Cardiovascular disease remains the leading cause of death globally, making this discovery a significant step towards regenerative therapies that could reverse heart failure.

The research team highlighted the potential for developing treatments that harness this regenerative capacity, offering hope for millions of patients suffering from heart disease worldwide.

IANS