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Article

Matrix Metalloproteinase 9 as a Predictor of Coronary Atherosclerotic Plaque Instability in Stable Coronary Heart Disease Patients with Elevated Lipoprotein(a) Levels

Federal State Budget Institution “National Cardiology Research Center” of Ministry of Health of the Russian Federation; 15A, 3d Cherepkovskaya street, 121552 Moscow, Russia
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Biomolecules 2019, 9(4), 129; https://doi.org/10.3390/biom9040129
Received: 6 March 2019 / Revised: 24 March 2019 / Accepted: 26 March 2019 / Published: 29 March 2019
We sought to investigate whether levels of matrix metalloproteinases (MMPs) and their inhibitors predict coronary atherosclerotic plaque instability, as assessed by intravascular ultrasound (IVUS) virtual histology during coronary angiography. Blood samples were collected before angiography in 32 subjects (mean age 56 ± 8 years) with stable coronary heart disease (CHD) and elevated lipoprotein(a) (Lp(a), 94 ± 35 mg/dL). Levels of high-sensitivity C-reactive protein (hsCRP), apolipoprotein B100 (apoB100), MMP-7, MMP-9, tissue inhibitor of metalloproteinases (TIMP)-1, and TIMP-2 were determined using commercially available enzyme-linked immunosorbent assay kits. Results. The morphology of a total of sixty coronary lesions was assessed by virtual histology IVUS imaging. Eleven (18%) plaques in nine (28%) patients were classified as plaques with an unstable phenotype or a thin-cap fibroatheroma. Age, low-density lipoprotein cholesterol, apoB100, MMP-7, and MMP-9 levels were positively associated with necrotic core volume. Conversely, there was a negative relationship between MMP-7 and -9 levels and fibrous and fibro-fatty tissue volume. Multivariate regression analysis revealed that MMP-9 is a strong independent predictor of atherosclerotic plaque instability in stable CHD patients. In stable CHD patients with elevated Lp(a), MMP-9 levels are positively associated with the size of the necrotic core of coronary atherosclerotic plaques. View Full-Text
Keywords: matrix metalloproteinase 9; intravascular ultrasound; virtual histology; plaque; coronary disease; atherosclerosis; lipoprotein(a) matrix metalloproteinase 9; intravascular ultrasound; virtual histology; plaque; coronary disease; atherosclerosis; lipoprotein(a)
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MDPI and ACS Style

Ezhov, M.; Safarova, M.; Afanasieva, O.; Mitroshkin, M.; Matchin, Y.; Pokrovsky, S. Matrix Metalloproteinase 9 as a Predictor of Coronary Atherosclerotic Plaque Instability in Stable Coronary Heart Disease Patients with Elevated Lipoprotein(a) Levels. Biomolecules 2019, 9, 129. https://doi.org/10.3390/biom9040129

AMA Style

Ezhov M, Safarova M, Afanasieva O, Mitroshkin M, Matchin Y, Pokrovsky S. Matrix Metalloproteinase 9 as a Predictor of Coronary Atherosclerotic Plaque Instability in Stable Coronary Heart Disease Patients with Elevated Lipoprotein(a) Levels. Biomolecules. 2019; 9(4):129. https://doi.org/10.3390/biom9040129

Chicago/Turabian Style

Ezhov, Marat, Maya Safarova, Olga Afanasieva, Maksim Mitroshkin, Yuri Matchin, and Sergei Pokrovsky. 2019. "Matrix Metalloproteinase 9 as a Predictor of Coronary Atherosclerotic Plaque Instability in Stable Coronary Heart Disease Patients with Elevated Lipoprotein(a) Levels" Biomolecules 9, no. 4: 129. https://doi.org/10.3390/biom9040129

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