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07/05/2019

Oxidation of lipoproteins carrying ‘good’ cholesterol, a possible biomarker of abdominal aortic aneurysm

Researchers from CIBERDEM and CIBERCV have identified the mechanisms by which HDL lipoproteins, responsible for transporting good cholesterol and preventing the accumulation of cholesterol in the arterial wall, lose their cardioprotective capacity in patients with abdominal aortic aneurysm (AAA), a pathology that does not produce symptoms and is difficult to diagnose in time. Among the researchers who have participated are Dr. Francisco Blanco Vaca of CIBERDEM, director of the Hospital Biochemistry Service and coordinator of the Metabolic Bases Research Group of the cardiovascular rich IIB Sant Pau and Lídia Cedó researcher of the same group.

The work, published in Ebiomedicine, shows that the HDL of patients with AAA present oxidative modifications that diminish their cardioprotective function. The authors, belonging to the Fundación Jiménez Díaz-UAM, the CNIC and the Research Institute of the Hospital de la Santa Cruz y San Pablo -IIB San Pablo, explain that “oxidative modifications can be measured in the blood of patients and could be used as biomarkers to improve the diagnosis of the pathology, adding predictive value to traditional risk factors”.

 

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