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Relationship of Oxi...
Relationship of Oxidized Phospholipids and Biomarkers of Oxidized Low- Density Lipoprotein With Cardiovascular Risk Factors, Inflammatory Biomarkers, and Effect of Statin Therapy in Patients With Acute Coronary Syndromes Results From the MIRACL (Myocardial Ischemia Reduction With Aggressive Cholesterol Lowering) Trial
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- Fraley, Alexander E (författare)
- University of California
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- Schwartz, Gregory G (författare)
- University of Colorado
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- Olsson, Anders (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Internmedicin,Hälsouniversitetet,Endokrin- och magtarmmedicinska kliniken US
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- Kinlay, Scott (författare)
- Harvard University
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- Szarek, Michael (författare)
- Pfizer Pharmaceutical Grp
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- Rifai, Nader (författare)
- Harvard University
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- Libby, Peter (författare)
- Brigham & Womens Hospital
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- Ganz, Peter (författare)
- Brigham & Womens Hospital
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- Witztum, Joseph L (författare)
- University of California
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- Tsimikas, Sotirios (författare)
- University of California
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(creator_code:org_t)
- Elsevier BV, 2009
- 2009
- Engelska.
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Ingår i: JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY. - : Elsevier BV. - 0735-1097. ; 53:23, s. 2186-2196
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Objectives This study sought to define the relationship between oxidative biomarkers, cardiovascular disease (CVD) risk factors, and inflammatory and thrombosis biomarkers. Background Elevated levels of oxidized phospholipids (OxPL) on apolipoprotein B particles (apoB) represent a novel biomarker of CVD. Previous studies suggest that an increase in OxPL/apoB reflects a positive response to statins and a low-fat diet. Methods This study measured OxPL/apoB, lipoprotein (a) [Lp(a)], and oxidized low-density lipoprotein (OxLDL) biomarkers, consisting of immunoglobulin (Ig) G and IgM autoantibodies to malondialdehyde (MDA)-low-density lipoprotein (LDL) and IgG and IgM apoB-100 immune complexes (IC/apoB), at baseline and after 16 weeks of treatment with atorvastatin 80 mg/day or placebo in 2,342 patients with acute coronary syndromes (ACS) enrolled in the MIRACL (Myocardial Ischemia Reduction With Aggressive Cholesterol Lowering) trial. Results At baseline, potentially atheroprotective IgM autoantibodies and IgM IC/apoB were lower in male patients, diabetic patients, and patients andgt;65 years of age. Patients with an LDL level greater than the median (122 mg/dl) had higher levels of OxPL/apoB, Lp(a), and OxLDL biomarkers compared with those who had an LDL level less than the median. Atorvastatin resulted in significantly larger changes in all biomarkers in female patients, patients age andlt;65 years, patients with LDL cholesterol andlt;122 mg/dl, nonsmokers, and nondiabetic patients (p andlt; 0.0001 for all). In particular, a significant increase in OxPL/apoB in response to atorvastatin was noted in all 20 subgroups evaluated. Weak or no significant correlations were noted between all OxLDL biomarkers and C-reactive protein, serum amyloid A, tissue plasminogen activator, interleukin-6, intercellular adhesion molecule, vascular cell adhesion molecule, P-selectin, and E-selectin at randomization and 16 weeks. Conclusions In patients with ACS, baseline levels of oxidative biomarkers varied according to specific CVD risk factors and were largely independent of inflammatory biomarkers. Atorvastatin uniformly increased OxPL/apoB levels in all subgroups studied. Future studies are warranted to assess whether the increase in OxPL/apoB levels reflects the benefit of effective therapeutic interventions and prediction of new CVD events.
Nyckelord
- risk factors
- acute coronary syndromes
- lipoproteins
- oxidation
- statins
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Fraley, Alexande ...
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Schwartz, Gregor ...
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Olsson, Anders
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Kinlay, Scott
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Szarek, Michael
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Rifai, Nader
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visa fler...
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Libby, Peter
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Ganz, Peter
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Witztum, Joseph ...
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Tsimikas, Sotiri ...
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- Artiklar i publikationen
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JOURNAL OF THE A ...
- Av lärosätet
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Linköpings universitet