NDLI: Effects of Ezetimibe on Endothelial Progenitor Cells and Microparticles in High-Risk Patients

Content Provider	Springer Nature Link
Author	Lins, Lívia Campos Amaral França, Carolina Nunes Fonseca, Francisco Antonio Helfenstein Barbosa, Simone Pinto Melo Matos, Lívia Nascimento Aguirre, Ana Carolina Bianco, Henrique Tria Amaral, Jonatas Bussador Izar, Maria Cristina
Copyright Year	2014
Abstract	Imbalance on endothelial turnover can predict cardiovascular outcomes. We aimed at evaluating the effects of lipid-modifying therapies on circulating endothelial progenitor cells (EPCs), endothelial microparticles (EMPs), and platelet microparticles (PMPs) in high cardiovascular risk subjects with elevated C-reactive protein (CRP). Sixty-three individuals with coronary heart disease (CHD) or CHD risk equivalent on stable statin therapy, with LDL-cholesterol <100 mg/dL and CRP ≥2.0 mg/L were selected. After a 4-week run-in period with atorvastatin 10 mg, those with persistent CRP ≥2.0 mg/L were randomized to another 4-week treatment period with atorvastatin 40 mg, ezetimibe 10 mg or atorvastatin 40 mg/ezetimibe 10 mg. EPC (CD34$^{+}$/CD133$^{+}$/KDR$^{+}$), EMP (CD51$^{+}$), and PMP (CD42$^{+}$/CD31$^{+}$) were quantified by flow cytometry. Atorvastatin 40 mg and atorvastatin 40 mg/ezetimibe 10 mg reduced LDL-cholesterol (P < 0.001, paired T test, vs. baseline). Combined therapy, but not ezetimibe reduced CRP. CD34$^{+}$/KDR$^{+}$ EPC were reduced after ezetimibe alone (P = 0.011 vs. baseline, Wilcoxon test) or combined with atorvastatin (P = 0.016 vs. baseline, Wilcoxon test). In addition, ezetimibe increased CD51$^{+}$ EMP (P = 0.017 vs. baseline, Wilcoxon test). No correlations between these markers and LDL-cholesterol or CRP were observed. These results contribute to understand the link between inflammation and vascular homeostasis and highlight the broader benefit of statins decreasing inflammation and preventing microparticles release, an effect not observed with ezetimibe alone.
Starting Page	687
Ending Page	696
Page Count	10
File Format	PDF
ISSN	10859195
Journal	Cell Biochemistry and Biophysics
Volume Number	70
Issue Number	1
e-ISSN	15590283
Language	English
Publisher	Springer US
Publisher Date	2014-04-29
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	C-reactive protein Endothelial progenitors cells Ezetimibe Inflammation Microparticles Statins Biochemistry Pharmacology/Toxicology Biotechnology Cell Biology Biophysics and Biological Physics
Content Type	Text
Resource Type	Article
Subject	Cell Biology Medicine Biochemistry Biophysics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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