Ibuprofen inhibits migration and proliferation of human coronary artery smooth muscle cells by inducing a differentiated phenotype: role of peroxisome proliferator-activated receptor γ

Dannoura, Abeer, Giraldo, Alejandro, Pereira, Ines, Gibbins, Jonathan M., Dash, Phil R., Bicknell, Katrina A. and Brooks, Gavin (2014) Ibuprofen inhibits migration and proliferation of human coronary artery smooth muscle cells by inducing a differentiated phenotype: role of peroxisome proliferator-activated receptor γ. Journal of Pharmacy and Pharmacology, 66. pp. 779-792. ISSN 00223573

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Abstract

Objectives: The search for agents that are capable of preventing restenosis and reduce the risk of late thrombosis is of utmost importance. In this study we aim to evaluate the in vitro effects of ibuprofen on proliferation and migration of human coronary artery smooth muscle cells (HCASMCs) and on human coronary artery endothelial cells (HCAECs) migration. Methods: Cell proliferation was evaluated by direct cell counting using trypan blue exclusion. Cell migration was assessed by wound healing “scratch” assay and by time lapse video-microscopy. Protein expression was assessed by immunoblotting, and morphological changes were studied by immunocytochemistry. The involvement of the PPARγ pathway was studied with the selective agonist troglitazone, and the use of highly selective antagonists of PPARγ such as PGF2α and GW9662. Results: We demonstrate that ibuprofen inhibits proliferation and migration of HCASMCs and induces a switch in HCASMCs towards a differentiated and contractile phenotype, and that these effects are mediated through the PPARγ pathway. Importantly we also show that the effects of ibuprofen are cell type specific as it does not affect migration and proliferation of endothelial cells. Conclusions: Taken together, our results suggest that ibuprofen could be an effective drug for the development of novel drug eluting stents, which could lead reduced rates of restenosis and potentially other complications of DES stent implantation.

Item Type:	Article
Keywords:	CAD, coronary artery disease, DES,drug-eluting stent, NSAIDs, nonsteroidalantinflammatory drugs, PCI, percutaneouscoronary intervention, PPAR, peroxisomeproliferator-activated receptor
Depositing User:	RED Unit Admin
Date Deposited:	21 Jan 2020 11:30
Last Modified:	21 Jan 2020 11:30
URI:	https://bnu.repository.guildhe.ac.uk/id/eprint/17960

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