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Simultaneous study of the recruitment of monocyte subpopulations under flow in vitro

Published in Journal of visualized experiments. 2018, no. 141
Abstract The recruitment of monocytes from the blood to targeted peripheral tissues is critical to the inflammatory process during tissue injury, tumor development and autoimmune diseases. This is facilitated through a process of capture from free flow onto the luminal surface of activated endothelial cells, followed by their adhesion and transendothelial migration (transmigration) into the underlying affected tissue. However, the mechanisms that support the preferential and context-dependent recruitment of monocyte subpopulations are still not fully understood. Therefore, we have developed a method that allows the recruitment of different monocyte subpopulations to be simultaneously visualized and measured under flow. This method, based on time-lapse confocal imaging, allows for the unambiguous distinction between adherent and transmigrated monocytes. Here, we describe how this method can be used to simultaneously study the recruitment cascade of pro-angiogenic and non-angiogenic monocytes in vitro. Furthermore, this method can be extended to study the different steps of recruitment of up to three monocyte populations.
Keywords Cell Adhesion/physiologyCell Movement/physiologyCellsCulturedCohort StudiesEndotheliumVascular/chemistry/cytology/physiologyHumansMonocytes/chemistry/physiologyTime-Lapse Imaging/methodsTransendothelial and Transepithelial Migration/physiology
PMID: 30531721
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Research groups Analyses cellulaires et moléculaires des hémopathies malignes (929)
Migration cellulaire (645)
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ROPRAZ, Patricia et al. Simultaneous study of the recruitment of monocyte subpopulations under flow in vitro. In: Journal of Visualized Experiments, 2018, n° 141. doi: 10.3791/58509 https://archive-ouverte.unige.ch/unige:127165

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Deposited on : 2019-11-28

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