Dynamic fluorescence imaging for multiparametric measurement of tumor vasculature

Myunghwan Choi; Taesu Chung; Kyungsun Choi; Chulhee Choi

doi:10.1117/12.808081

12 February 2009 Dynamic fluorescence imaging for multiparametric measurement of tumor vasculature

Myunghwan Choi, Taesu Chung, Kyungsun Choi, Chulhee Choi

Proceedings Volume 7182, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues VII; 71821O (2009) https://doi.org/10.1117/12.808081
Event: SPIE BiOS, 2009, San Jose, California, United States

Abstract

Angiogenesis is essential for tumor growth and a promising target for cancer therapy. Blood vessel monitoring is an indispensable tool for evaluation and development of anti-angiogenic drugs. Here, we report a new noninvasive in vivo imaging tool, named dynamic fluorescence imaging (DyFI), for the simultaneous measurement of multiple vascular parameters, such as vascular density, perfusion rate, and permeability, using spatiotemporal profiles of indocyanine green. Using DyFI in a tumor xenograft model, we quantitatively measured multiple vascular parameters in tumors and normal tissues with high spatial resolution. The multimodality of this method allowed us to find a negative spatial correlation between perfusion and permeability. Moreover, DyFI was effective for revealing the early effects of an anti-angiogenic drug; these findings were validated using two-photon microscopy. We suggest that DyFI could be a useful tool for the preclinical development of anti-angiogenic drugs.

Citation Download Citation

Myunghwan Choi, Taesu Chung, Kyungsun Choi, and Chulhee Choi "Dynamic fluorescence imaging for multiparametric measurement of tumor vasculature", Proc. SPIE 7182, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues VII, 71821O (12 February 2009); https://doi.org/10.1117/12.808081

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KEYWORDS

Tumors

Luminescence

Tissues

Skin

Capillaries

In vivo imaging

Microscopy

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