Experimental evaluation of receptor-ligand interactions of dual-targeted particles to inflamed endothelium
July 3-7, 2016
Vascular-targeted carriers (VTCs) are often designed as leukocyte mimics, conjugated with ligands that target leukocyte adhesion molecules (LAMs) to facilitate specific adhesion to diseased endothelium. VTCs must adhere in regions with dynamic blood flow, frequently requiring multiple ligand-receptor (LR) pairs to provide particle adhesion and high disease specificity. To study LR kinetics under flow, multiple research groups have used protein-coated plates to study the adhesion and rolling of dual-targeted particles in vitro.1-4 While important knowledge is contributed by these studies, they lack the complexity of a diseased physiologic endothelium, as spatiotemporal LAM expression varies widely. Despite decades of research with the ambition of mimicking leukocytes, the specificity of multiple LAM-targeted VTCs remains poorly understood, especially in physiological environments. More specifically, there is a lack of mechanistic understanding of how multiple ligands interact with biologically complex endothelial surfaces under dynamic in vivo environments.
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Margaret B. Fish, Catherine A. Fromen, Reheman Adili, Michael Holinstat, and Omolola Eniola-Adefeso, "Experimental evaluation of receptor-ligand interactions of dual-targeted particles to inflamed endothelium" in "Nanotechnology in Medicine: From Molecules to Humans", Prof. Lola Eniola-Adefeso, Department of Chemical Engineering, University of Michigan, USA Prof. Paolo Decuzzi, Italian Institute of Technology, Italy Eds, ECI Symposium Series, (2016). http://dc.engconfintl.org/nanotech_med/27
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