New insight in quantitative analysis of vascular permeability during immune reaction (Conference Presentation)

Vyacheslav Kalchenko; Guillaume Molodij; Yuri Kuznetsov; Yuri Smolyakov; David Israeli; Igor Meglinski; Alon Harmelin

doi:10.1117/12.2212392

27 April 2016 New insight in quantitative analysis of vascular permeability during immune reaction (Conference Presentation)

Vyacheslav Kalchenko, Guillaume Molodij, Yuri Kuznetsov, Yuri Smolyakov, David Israeli, Igor Meglinski, Alon Harmelin

Author Affiliations +

Proceedings Volume 9709, Biophotonics and Immune Responses XI; 97090D (2016) https://doi.org/10.1117/12.2212392
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

The use of fluorescence imaging of vascular permeability becomes a golden standard for assessing the inflammation process during experimental immune response in vivo. The use of the optical fluorescence imaging provides a very useful and simple tool to reach this purpose. The motivation comes from the necessity of a robust and simple quantification and data presentation of inflammation based on a vascular permeability. Changes of the fluorescent intensity, as a function of time is a widely accepted method to assess the vascular permeability during inflammation related to the immune response. In the present study we propose to bring a new dimension by applying a more sophisticated approach to the analysis of vascular reaction by using a quantitative analysis based on methods derived from astronomical observations, in particular by using a space-time Fourier filtering analysis followed by a polynomial orthogonal modes decomposition. We demonstrate that temporal evolution of the fluorescent intensity observed at certain pixels correlates quantitatively to the blood flow circulation at normal conditions. The approach allows to determine the regions of permeability and monitor both the fast kinetics related to the contrast material distribution in the circulatory system and slow kinetics associated with extravasation of the contrast material. Thus, we introduce a simple and convenient method for fast quantitative visualization of the leakage related to the inflammatory (immune) reaction in vivo.

Conference Presentation

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Vyacheslav Kalchenko, Guillaume Molodij, Yuri Kuznetsov, Yuri Smolyakov, David Israeli, Igor Meglinski, and Alon Harmelin "New insight in quantitative analysis of vascular permeability during immune reaction (Conference Presentation)", Proc. SPIE 9709, Biophotonics and Immune Responses XI, 97090D (27 April 2016); https://doi.org/10.1117/12.2212392

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KEYWORDS

Inflammation

Quantitative analysis

In vivo imaging

Luminescence

Astronomy

Blood circulation

Circulatory system

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