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Home > Lifestyle News > Health And Fitness News > Article > Genetic therapy heals damage caused by heart attack

Genetic therapy heals damage caused by heart attack

Updated on: 12 May,2019 01:40 PM IST  | 
mid-day online desk |

This is the first demonstration that cardiac regeneration can be achieved by administering an effective genetic drug that stimulates cardiac regeneration in a large animal, with heart anatomy and physiology like that of humans

Genetic therapy heals damage caused by heart attack

Representational picture

London: Scientists have developed a gene therapy that can induce heart cells to regenerate and repair the damage caused by a heart attack. Myocardial infarction, more commonly known as a heart attack, caused by the sudden blocking of one of the cardiac coronary arteries, is the main cause of heart failure.


The condition affects over 23 million population in the world, according to the World Health Organization (WHO). At present, when a patient survives a heart attack, they are left with permanent structural damage to their heart through the formation of a scar, which can lead to heart failure in the future, according to the researchers from King's College London in the UK.


"It is a very exciting moment for the field. After so many unsuccessful attempts at regenerating the heart using stem cells, which all have failed so far, for the first time we see real cardiac repair in a large animal," said Mauro Giacca, from King's College London.


In the study, published in the journal Nature, researchers delivered a small piece of genetic material, called microRNA-199, to the heart of pigs, after a myocardial infarction which resulted in the almost complete recovery of cardiac function at one month later.

This is the first demonstration that cardiac regeneration can be achieved by administering an effective genetic drug that stimulates cardiac regeneration in a large animal, with heart anatomy and physiology like that of humans.

"It will take some time before we can proceed to clinical trials," Giacca said in a statement. "We still need to learn how to administer the RNA as a synthetic molecule in large animals and then in patients, but we already know this works well in mice," he said.

The symptoms and causes of heart diseases in women are atypical. It is also the leading cause of death because of multiple reasons. This International Women’s Day, let us become more aware of the causes of cardiovascular diseases in women.

The standard risk factors for coronary disease are diabetes, hypertension, smoking, dyslipidemia, family history of heart disease, and obesity. These risk factors are common to women as well as men.

It is thus important to check blood pressure and cholesterol regularly and maintain a healthy weight by replacing the intake of saturated with unsaturated sources like nuts, olive oil along with daily brisk walks.

For all individuals, heart patients or not, it is essential that you follow a healthy diet, undergo a dynamic exercise regime regularly as well as annual health check-ups.

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