British Heart Foundation (BHF)-funded researchers are using stem cell heart-in-a-dish technology - originally created to explore potential treatments for heart failure - to help understand how and why coronavirus (Covid-19) impacts the heart.

Dr Sanjay Sinha and his team at University of Cambridge will use their expertise in growing 2D and 3D heart tissue in the laboratory from human stem cells, to study how the coronavirus attaches to heart muscle cells and how it affects their ability to contract and relax.

By understanding how Covid-19 may impair heart function, the team will then be able to investigate potential protective treatments.

Dr Sinha is also exploring whether the immune response from Covid-19 is responsible for damaging the heart. Molecules called cytokines are part of the immune system and when theyre in high amounts they can cause inflammation. Covid-19 has been associated with a cytokine storm which can damage cells in the body.

To investigate this immune response on the heart, the team are obtaining blood samples from people with Covid-19 at a hospital in Cambridge. The blood serum which contains the cytokines will be added onto their lab-grown 2D and 3D heart muscle cells to see if there is anything in the infected blood that has a toxic effect on the heart.

Dr Sanjay Sinha, BHF-funded researcher at the University of Cambridge, said: Through harnessing our existing heart-in-a-dish techniques were in a prime position to investigate how and why Covid-19 can have such a devastating impact on the heart. This new understanding should provide us with a test bed for screening drugs to protect the hearts of people with Covid-19.

Professor Metin Avkiran, Associate Medical Director at the British Heart Foundation, said: Were committed to supporting the fight against Covid-19. Many of our researchers, like Dr Sinha at the BHF Centre of Research Excellence in Cambridge, are applying their expertise to understanding the harmful and potentially deadly relationship between Covid-19 and the cardiovascular system.

With increasing evidence that people with severe Covid-19 may suffer heart damage, it is vital to understand if, and how, the coronavirus attacks heart muscle as a first step to finding new treatments. Pioneering research such as this could inform how we care for people who develop Covid-19 when theyre unwell and in their long-term recovery.

British Heart Foundation

With donations from the public, the BHF funds ground breaking research that will get us closer than ever to a world free from the fear of heart and circulatory diseases. A world where broken hearts are mended, where millions more people survive a heart attack, where the number of people dying from or disabled by a stroke is slashed in half. A world where people affected by heart and circulatory diseases get the support they need. And a world of cures and treatments we cant even imagine today. We are backing the best ideas, the brightest minds and the biggest ambitions - because thats how well beat heartbreak forever.

Find out more at bhf.org.uk

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'Heart-in-a-dish' to study the effects of coronavirus - Cambridge Network