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Diaz-Rodriguez S, Rasser C, Mesnier J, Chevallier P, Gallet R, Choqueux C, Even G, Sayah N, Chaubet F, Nicoletti A, Ghaleh B, Feldman LJ, Mantovani D, Caligiuri G. Coronary stent CD31-mimetic coating favours endothelialization and reduces local inflammation and neointimal development in vivo. Eur Heart J 2021; 42:1760-1769. [PMID: 33580685 PMCID: PMC8106951 DOI: 10.1093/eurheartj/ehab027] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 10/12/2020] [Accepted: 01/12/2021] [Indexed: 12/14/2022] Open
Abstract
AIMS The rapid endothelialization of bare metal stents (BMS) is counterbalanced by inflammation-induced neointimal growth. Drug-eluting stents (DES) prevent leukocyte activation but impair endothelialization, delaying effective device integration into arterial walls. Previously, we have shown that engaging the vascular CD31 co-receptor is crucial for endothelial and leukocyte homeostasis and arterial healing. Furthermore, we have shown that a soluble synthetic peptide (known as P8RI) acts like a CD31 agonist. The aim of this study was to evaluate the effect of CD31-mimetic metal stent coating on the in vitro adherence of endothelial cells (ECs) and blood elements and the in vivo strut coverage and neointimal growth. METHODS AND RESULTS We produced Cobalt Chromium discs and stents coated with a CD31-mimetic peptide through two procedures, plasma amination or dip-coating, both yielding comparable results. We found that CD31-mimetic discs significantly reduced the extent of primary human coronary artery EC and blood platelet/leukocyte activation in vitro. In vivo, CD31-mimetic stent properties were compared with those of DES and BMS by coronarography and microscopy at 7 and 28 days post-implantation in pig coronary arteries (n = 9 stents/group/timepoint). Seven days post-implantation, only CD31-mimetic struts were fully endothelialized with no activated platelets/leukocytes. At day 28, neointima development over CD31-mimetic stents was significantly reduced compared to BMS, appearing as a normal arterial media with the absence of thrombosis contrary to DES. CONCLUSION CD31-mimetic coating favours vascular homeostasis and arterial wall healing, preventing in-stent stenosis and thrombosis. Hence, such coatings seem to improve the metal stent biocompatibility.
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Affiliation(s)
- Sergio Diaz-Rodriguez
- Laboratory for Biomaterials and Bioengineering (CRC-I) Department of Min-Met-Mat Engineering and the CHU de Québec Research Center, Laval University, PLT-1745G, Québec, QC G1V 0A6, Canada
| | - Charlotte Rasser
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France
| | - Jules Mesnier
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France
| | - Pascale Chevallier
- Laboratory for Biomaterials and Bioengineering (CRC-I) Department of Min-Met-Mat Engineering and the CHU de Québec Research Center, Laval University, PLT-1745G, Québec, QC G1V 0A6, Canada
| | - Romain Gallet
- Institut Mondor de Recherche Biomédicale, école nationale vétérinaire de Maisons-Alfort (ENVA), Institut National de la Santé et de la Recherche Médicale U955, GHU (Groupe Hospitalo-Universitaire) A. Chenevier, Henri Mondor Faculty of Medicine Paris Est, 8 Rue du Général Sarrail, Créteil 94010, France
| | - Christine Choqueux
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France
| | - Guillaume Even
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France
| | - Neila Sayah
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France
| | - Frédéric Chaubet
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France
| | - Antonino Nicoletti
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France
| | - Bijan Ghaleh
- Institut Mondor de Recherche Biomédicale, école nationale vétérinaire de Maisons-Alfort (ENVA), Institut National de la Santé et de la Recherche Médicale U955, GHU (Groupe Hospitalo-Universitaire) A. Chenevier, Henri Mondor Faculty of Medicine Paris Est, 8 Rue du Général Sarrail, Créteil 94010, France
| | - Laurent J Feldman
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France.,Department of Cardiology, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Nord Val-de-Seine, Site Bichat, 46 rue Henri Huchard, Paris 75018, France
| | - Diego Mantovani
- Laboratory for Biomaterials and Bioengineering (CRC-I) Department of Min-Met-Mat Engineering and the CHU de Québec Research Center, Laval University, PLT-1745G, Québec, QC G1V 0A6, Canada
| | - Giuseppina Caligiuri
- Laboratory for Vascular Translational Science, Université de Paris, Inserm U1148, 46 rue Henri HUCHARD, Paris 75018, France.,Department of Cardiology, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Nord Val-de-Seine, Site Bichat, 46 rue Henri Huchard, Paris 75018, France
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