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Circulating Oxidized Low-Density Lipoprotein is a Strong Risk Factor for the Early Stage of Coronary Heart Disease.

07:00 EST 10th November 2018 | BioPortfolio

Summary of "Circulating Oxidized Low-Density Lipoprotein is a Strong Risk Factor for the Early Stage of Coronary Heart Disease."

This study aimed to detect the circulating oxidized low-density lipoprotein (ox-LDL) levels of controls and patients with stable angina pectoris (SAP), unstable angina pectoris (UAP), and acute myocardial infarction (AMI) and also to investigate the correlation with the severity of coronary heart disease (CHD). Plasma levels of circulating ox-LDL-4E6, malondialdehyde (MDA), high-sensitivity C-reactive protein (hs-CRP), total cholesterol, high-density lipoprotein cholesterol, LDL cholesterol, apoprotein A, apoprotein B, and lipoprotein (a) (Lp(a)) were measured in 99 participants who underwent coronary angiography. The plasma ox-LDL level was significantly higher in patients with CHD than in controls (P = 0.000). However, it was lower in the UAP and AMI groups than in the SAP group (P = 0.000). The lipid peroxide level (MDA) showed a significant difference among all groups (P = 0.000). It increased significantly in patients with CHD. The Lp(a) and hs-CRP levels were significantly higher in patients with CHD (P = 0.000 and 0.000, respectively). No difference in Lp(a) was found among the SAP, UAP, and AMI groups (P = 0.296). In patients with CHD, the plasma ox-LDL correlated negatively with hs-CRP (P = 0.011), and serum MDA correlated positively with hs-CRP (P = 0.004). The plasma ox-LDL could be used as a strong risk factor for the early stage but not the advanced stage of CHD. Hs-CRP may bound and transfer ox-LDL to macrophages. © 2018 IUBMB Life, 2018.

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Name: IUBMB life
ISSN: 1521-6551
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Medical and Biotech [MESH] Definitions

A lipoprotein that resembles the LOW-DENSITY LIPOPROTEINS but with an extra protein moiety, APOPROTEIN (A) also known as APOLIPOPROTEIN (A), linked to APOLIPOPROTEIN B-100 on the LDL by one or two disulfide bonds. High plasma level of lipoprotein (a) is associated with increased risk of atherosclerotic cardiovascular disease.

A CXCR6 receptor-binding chemokine that functions as a scavenger receptor for oxidized low density lipoprotein (OxLDL) when expressed by MACROPHAGES. Its secreted, or cytokine form induces a strong chemotactic response for MONOCYTES when it is expressed by DENDRITIC CELLS.

Intermediate-density subclass of the high-density lipoproteins, with particle sizes between 7 to 8 nm. As the larger lighter HDL2 lipoprotein, HDL3 lipoprotein is lipid-rich.

An abnormal lipoprotein present in large amounts in patients with obstructive liver diseases such as INTRAHEPATIC CHOLESTASIS. LP-X derives from the reflux of BILE lipoproteins into the bloodstream. LP-X is a low-density lipoprotein rich in free CHOLESTEROL and PHOSPHOLIPIDS but poor in TRIGLYCERIDES; CHOLESTEROL ESTERS; and protein.

Abnormalities in the serum levels of LIPIDS, including overproduction or deficiency. Abnormal serum lipid profiles may include high total CHOLESTEROL, high TRIGLYCERIDES, low HIGH DENSITY LIPOPROTEIN CHOLESTEROL, and elevated LOW DENSITY LIPOPROTEIN CHOLESTEROL.

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