University of Warwick scientists have discovered that methylglyoxal - MG substance was found to turn good HDL cholesterol into bad LDL cholesterol.
The substance, methylglyoxal - MG, was found to damage 'good' HDL cholesterol, which removes excess levels of bad cholesterol from the body.
AdvertisementLow levels of HDL, High Density Lipoprotein, are closely linked to heart disease, with increased levels of MG being common in the elderly and those with diabetes or kidney problems.
Supported by funding from the British Heart Foundation (BHF) and published in Nutrition and Diabetes, the researchers discovered that MG destabilises HDL and causes it to lose the properties which protect against heart disease.
HDL damaged by MG is rapidly cleared from the blood, reducing its HDL content, or remains in plasma having lost its beneficial function.
Lead researcher Dr Naila Rabbani, of the Warwick Medical School, says that: "MG damage to HDL is a new and likely important cause of low and dysfunctional HDL, and could count for up to a 10% risk of heart disease".
There are currently no drugs that can reverse low levels of HDL, but the Warwick researchers argue that by discovering how MG damages HDL has provided new potential strategies for reducing MG levels.
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