Cardiology

Heart muscle disease patients benefit from defibrillator

Some heart disease patients who are treated with cardiac resynchronisation therapy (CRT) would live longer and have fewer hospital admissions if they also received a defibrillator, concludes a team of researchers led by Aston ...

Medical research

Heart hormones protect against obesity and insulin resistance

Researchers at Sanford Burnham Prebys Medical Discovery Institute (SBP) in Lake Nona, Florida have shown that enhanced natriuretic peptide (NP) signaling in adipose tissue protects against obesity and insulin resistance. ...

Medical research

New understanding of how muscles work

Muscle malfunctions may be as simple as a slight strain after exercise or as serious as heart failure and muscular dystrophy. A new technique developed at McGill now makes it possible to look much more closely at how sarcomeres, ...

Cardiology

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; instead it replaces dead tissue with scars made of cells called fibroblasts ...

Cardiology

How to trick your heart into thinking you exercise

Researchers have discovered that a protein called cardiotrophin 1 (CT1) can trick the heart into growing in a healthy way and pumping more blood, just as it does in response to exercise and pregnancy. They show that this ...

Cardiology

Patching up a broken heart

It is almost impossible for an injured heart to fully mend itself. Within minutes of being deprived of oxygen – as happens during a heart attack when arteries to the heart are blocked – the heart's muscle cells start ...

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