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    Modelling arterial thrombus formation in vitro

    Drysdale, Amelia, Zaabalawi, Azziza and Jones, Sarah ORCID logoORCID: https://orcid.org/0000-0001-8154-3928 (2024) Modelling arterial thrombus formation in vitro. Current Opinion in Hematology, 31 (1). pp. 16-23. ISSN 1065-6251

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    Abstract

    Purpose of reviewModels of arterial thrombus formation represent a vital experimental tool to investigate platelet function and test novel antithrombotic drugs. This review highlights some of the recent advances in modelling thrombus formation in vitro and suggests potential future directions.Recent findingsMicrofluidic devices and the availability of commercial chips in addition to enhanced accessibility of 3D printing has facilitated a rapid surge in the development of novel in-vitro thrombosis models. These include progression towards more sophisticated, 'vessel on a chip' models which incorporate vascular endothelial cells and smooth muscle cells. Other approaches include the addition of branches to the traditional single channel to yield an occlusive model; and developments in the adhesive coating of microfluidic chambers to better mimic the thrombogenic surface exposed following plaque rupture. Future developments in the drive to create more biologically relevant chambers could see a move towards the use of human placental vessels, perfused ex-vivo. However, further work is required to determine the feasibility and validity of this approach.SummaryRecent advances in thrombus formation models have significantly improved the pathophysiological relevance of in-vitro flow chambers to better reflect the in-vivo environment and provide a more translational platform to test novel antithrombotics.

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