Canadian scientists discover cause of high cholesterol

Canadian scientists have discovered that a protein called resistin, secreted by fat tissue, causes high levels of “bad” cholesterol (low-density lipoprotein or LDL), increasing the risk of heart disease.


The research, presented today at the Canadian Cardiovascular Congress, proves that resistin increases the production of LDL in human liver cells and also degrades LDL receptors in the liver. As a result, the liver is less able to clear “bad” cholesterol from the body. Resistin accelerates the accumulation of LDL in arteries, increasing the risk of heart disease.


The research also shows that resistin adversely impacts the effects of statins, the main cholesterol-reducing drug used in the treatment and prevention of cardiovascular disease.


Dr. Shirya Rashid - senior author of the study and assistant professor in the department of medicine at McMaster University — notes that a staggering 40 per cent of people taking statins are resistant to their impact on lowering blood LDL. 

Source: http://www.health.am/cholesterol/more/discover-cause-of-high-cholesterol/

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