Two-photon intravital imaging of thrombus development

Malgorzata Kamocka; Jian Mu; Xiaomin Liu; Nan Chen; Amy Zollman; Barbara Sturonas-Brown; Kenneth Dunn; Zhiliang Xu; Danny Ziyi Chen; Mark S. Alber; Elliot D. Rosen

doi:10.1117/1.3322676

1 January 2010 Two-photon intravital imaging of thrombus development

Malgorzata Kamocka, Jian Mu, Xiaomin Liu, Nan Chen, Amy Zollman, Barbara Sturonas-Brown, Kenneth Dunn, Zhiliang Xu, Danny Ziyi Chen, Mark S. Alber, Elliot D. Rosen

Author Affiliations +

Journal of Biomedical Optics, Vol. 15, Issue 1, 016020 (January 2010). https://doi.org/10.1117/1.3322676

Abstract

Thrombus development in mouse mesenteric vessels following laser-induced injury was monitored by high-resolution, near-real-time, two-photon, intravital microscopy. In addition to the use of fluorescently tagged fibrin(ogen) and platelets, plasma was labeled with fluorescently tagged dextran. Because blood cells exclude the dextran in the single plane, blood cells appear as black silhouettes. Thus, in addition to monitoring the accumulation of platelets and fibrin in the thrombus, the protocol detects the movement and incorporation of unlabeled cells in and around it. The developing thrombus perturbs the blood flow near the thrombus surface, which affects the incorporation of platelets and blood cells into the structure. The hemodynamic effects and incorporation of blood cells lead to the development of thrombi with heterogeneous domain structures. Additionally, image processing algorithms and simulations were used to quantify structural features of developing thrombi. This analysis suggests a novel mechanism to stop the growth of developing thrombus.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Malgorzata Kamocka, Jian Mu, Xiaomin Liu, Nan Chen, Amy Zollman, Barbara Sturonas-Brown, Kenneth Dunn, Zhiliang Xu, Danny Ziyi Chen, Mark S. Alber, and Elliot D. Rosen "Two-photon intravital imaging of thrombus development," Journal of Biomedical Optics 15(1), 016020 (1 January 2010). https://doi.org/10.1117/1.3322676

Published: 1 January 2010

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KEYWORDS

Injuries

Blood

Plasma

Algorithm development

Microscopy

Two photon imaging

Video

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