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Accumulation Of Tissue Factor Into Developing Thrombi In Vivo Is Dependent Upon Microparticle P-Selectin Glycoprotein Ligand 1 And Platelet P-Selectin, Shahrokh Falati, Qingde Liu, Peter Gross, Glenn Merrill-Skoloff, Janet Chou, Erik Vandendries, Alessandro Celi, Kevin Croce, Barbara C. Furie, Bruce Furie
Accumulation Of Tissue Factor Into Developing Thrombi In Vivo Is Dependent Upon Microparticle P-Selectin Glycoprotein Ligand 1 And Platelet P-Selectin, Shahrokh Falati, Qingde Liu, Peter Gross, Glenn Merrill-Skoloff, Janet Chou, Erik Vandendries, Alessandro Celi, Kevin Croce, Barbara C. Furie, Bruce Furie
Articles & Chapters
Using a laser-induced endothelial injury model, we examined thrombus formation in the microcirculation of wild-type and genetically altered mice by real-time in vivo microscopy to analyze this complex physiologic process in a system that includes the vessel wall, the presence of flowing blood, and the absence of anticoagulants. We observe P-selectin expression, tissue factor accumulation, and fibrin generation after platelet localization in the developing thrombus in arterioles of wild-type mice. However, mice lacking P-selectin glycoprotein ligand 1 (PSGL-1) or P-selectin, or wild-type mice infused with blocking P-selectin antibodies, developed platelet thrombi containing minimal tissue factor and fibrin. To explore the …
Thrombus Formation: Direct Real‐Time Observation And Digital Analysis Of Thrombus Assembly In A Living Mouse By Confocal And Widefield Intravital Microscopy, A. Celi, G Merrill-Skoloff, P. Gross, Shahrokh Falati, D. S. Sim, R. Flaumenhaft, B. C. Furie, B. Furie
Thrombus Formation: Direct Real‐Time Observation And Digital Analysis Of Thrombus Assembly In A Living Mouse By Confocal And Widefield Intravital Microscopy, A. Celi, G Merrill-Skoloff, P. Gross, Shahrokh Falati, D. S. Sim, R. Flaumenhaft, B. C. Furie, B. Furie
Articles & Chapters
We have developed novel instrumentation using confocal and widefield microscopy to image and analyze thrombus formation in real time in the microcirculation of a living mouse. This system provides high-speed, near-simultaneous acquisition of images of multiple fluorescent probes and a brightfield channel, and supports laser-induced injury through the microscope optics. Although this imaging facility requires interface of multiple hardware components, the primary challenge in vascular imaging is careful experimental design and interpretation. This system has been used to localize tissue factor during thrombus formation, to observe defects in thrombus assembly in genetically altered mice, to study the kinetics of platelet …