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In Vivo Analysis of the Dynamics of Transendothelial Migration With Bitplane Imaris 4D Software
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The Imaris 4D modeling software from Bitplane has helped the Centre for Microvascular Research, London understand regulation of transendothelial migration of neutrophils in vivo.
The migration of neutrophils from the vascular lumen into inflamed tissues is a crucial component of the normal immune response and a significant factor in the development of inflammatory pathologies, where inappropriate inflammation contributes to tissue damage and disease progression. A decisive step in this process is the passage of the blood neutrophils through the endothelial cells lining the lumen - transendothelial migration (TEM).
The complex structure of the vessel wall and the contribution of environmental factors, such as blood flow and local chemokine production, have limited the value of in vitro studies into the mechanisms governing this process. Now, advanced Imaris 4D modelling software from Bitplane is enabling in vivo analysis of the dynamics of leukocyte migration with a high degree of spatial and temporal resolution, leading to a new understanding of TEM regulation highlighting the role of junctional adhesion molecule C (JAM-C).
The work is reported in a paper by Dr Abigail Woodfin and her colleagues at the Centre for Microvascular Research, which investigates the molecular and cellular events within the microvasculature focusing on the regulation of vascular integrity, morphology and function. The Centre has a strong and internationally acknowledged expertise in the application of specialized imaging methods, including confocal intravital microscopy which allows in vivo observation of events within the microcirculation, in 3D, in real time
Statement of Abigail Woodfin
"After investigating several 3D modelling platforms we chose Bitplane Imaris. As well as a comprehensive feature set and user-friendly interface, it proved to be the most stable when analyzing very large files, which was essential to our work.
Imaging & Microscopy Issue 4 as free epaper or pdf download
Because of this, Imaris enabled us to track the movement of leukocytes relative to the endothelial cells lining the vessel wall over many sequential time points."
"During long periods of analysis there is always a degree of movement with living tissue and we used the Imaris drift correction function to correct for this. The crucial thing was that Imaris allowed us to convert our data into a virtual 3D object that could be fully manipulated in terms of rotation position, zoom, and the intensity at which each channel is displayed. This is not possible using 2D projections of Z-stacks, which is how confocal microscopy images are traditionally presented."
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Keywords: 3D Imaging Abigail Woodfin Cell Migration Centre for Microvascular Research Confocal Intravital Microscopy image processing Imaris Imaris 4D software Transendothelial Migration
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