Cholesterol-lowering vaccine to help prevent heart disease

Dhaka,  Fri,  23 June 2017
Published : 20 Jun 2017, 19:47:16 | Updated : 20 Jun 2017, 19:49:28
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Cholesterol-lowering vaccine to help prevent heart disease

Cholesterol-lowering vaccine to help prevent heart disease
Human trials of a cholesterol-lowering vaccine to help prevent heart disease are under way after successful studies in mice.

Researchers at the Medical University of Vienna are testing the safety of their experimental treatment in 72 volunteers.

The jab is designed to stop fatty deposits from clogging the arteries.

It would offer patients an alternative to taking daily pills to cut their risk of stroke, angina and heart attacks.

It will take years more of testing to know if the treatment will be safe and effective enough for human use.

Even if it does become available, in six years’ time, it should not be seen as an excuse for people to avoid exercise and eat lots of high-fat food, they add.

The jab helps the body’s immune system to attack a protein, called PCSK9, that would otherwise allow “bad” low density lipoprotein (LDL) cholesterol to build up in the bloodstream, according to a media report.

The researchers envisage that patients could have a yearly booster shot to top up their immunity.

In mice, the treatment cuts LDL cholesterol by up to 50 per cent over 12 months and appears to protect against the build-up of fatty deposits in the arteries (atherosclerosis).

Cholesterol is a fatty substance found in the blood. We all need it, but too much “bad” LDL cholesterol increases the risk of cardiovascular diseases.

“Good” high density lipoprotein (HDL) cholesterol, on the other hand, is beneficial because it helps transport other types of cholesterol from the blood to the liver, where it can be broken down.

Some people have high cholesterol because of an inherited condition called familial hypercholesterolaemia.

Poor diet, high alcohol consumption, smoking and inactivity are also linked with high cholesterol.

People with high cholesterol can take cholesterol-lowering drugs, called statins, to reduce their risk of cardiovascular disease.

But although these are very cheap and effective, they will not work for everyone.

Some people dislike taking daily medication or forget to take it because they are feeling well. Rarely, there can be side-effects.

Researchers have been looking at alternative treatment options that they can give to patients alongside or instead of statins.

(compiled by Rafiqul Islam)

 
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