TITLE

Elevated Levels of Oxidized Low-Density Lipoprotein Correlate Positively with C-Reactive Protein in Patients with Acute Coronary Syndrome

AUTHOR(S)
Zhang, Ya-chen; Wei, Jing-jing; Wang, Fei; Chen, Man-tian; Zhang, Mao-zhen
PUB. DATE
March 2012
SOURCE
Cell Biochemistry & Biophysics;Mar2012, Vol. 62 Issue 2, p365
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The relationship between oxidized low-density lipoprotein (Ox-LDL) and C-reactive protein (CRP) in patients with acute coronary syndrome (ACS) is unknown. We, therefore, measured serum levels of Ox-LDL and high-sensitivity (hs)-CRP in 90 ACS patients, 45 stable angina pectoris (SAP) patients, and 66 healthy controls using sandwich ELISA. ACS patients were subdivided into: (1) acute myocardial infarction (AMI; n = 45); (2) unstable angina pectoris (UAP; n = 45) groups. In AMI patients, Ox-LDL (177.5 mmol/l) and hs-CRP (25.40 mg/l) levels were significantly higher ( P < 0.01) than in UAP (Ox-LDL:107.5 mmol/l, hs-CRP:10.7 mg/l) and SAP (Ox-LDL:82.3 mmol/l, hs-CRP:2.10 mg/l) patients as well as controls (Ox-LDL:41.4 mmol/l, hs-CRP:1.76 mg/l). Ox-LDL/hs-CRP levels in UAP patients were significantly higher ( P < 0.01) than in SAP patients and controls. Importantly, a positive correlation was found between Ox-LDL and CRP ( r = 0.622; P < 0.01) levels. Serum levels of total, HDL, and LDL cholesterol did not differ among these patient groups. In conclusion, our data show that Ox-LDL and hs-CRP levels correlate positively in ACS patients, supporting the hypothesis that Ox-LDL and CRP may play a direct role in promoting the inflammatory component of atherosclerosis in these individuals. We suggest that Ox-LDL/CRP elevated levels may serve as markers of the severity of the disease in evaluation and management of ACS patients.
ACCESSION #
72034025

 

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