Preparation of near-infrared-labeled targeted contrast agents for clinical translation

D. Michael Olive

doi:10.1117/12.877387

9 March 2011 Preparation of near-infrared-labeled targeted contrast agents for clinical translation

D. Michael Olive

Proceedings Volume 7965, Medical Imaging 2011: Biomedical Applications in Molecular, Structural, and Functional Imaging; 79651B (2011) https://doi.org/10.1117/12.877387
Event: SPIE Medical Imaging, 2011, Lake Buena Vista (Orlando), Florida, United States

Abstract

Targeted fluorophore-labeled contrast agents are moving toward translation to human surgical use. To prepare for future clinical use, we examined the performance of potential ligands targeting the epidermal growth factor receptor, α5β3 integrins, and GLUT transporters for their suitability as directed contrast agents. Each agent was labeled with IRDye 800CW, and near-infrared dye with excitation/emission wavelengths of 789/805 nm, which we determined had favorable toxicity characteristics. The probe molecules examined consisted of Affibodies, nanobodies, peptides, and the sugar 2-deoxy-D-glucose. Each probe was tested for specific and non-specific binding in cell based assays. All probe types showed good performance in mouse models for detecting either spontaneous tumors or tumor xenografts in vivo. Each of the probes tested show promise for future human clinical studies.

Citation Download Citation

D. Michael Olive "Preparation of near-infrared-labeled targeted contrast agents for clinical translation", Proc. SPIE 7965, Medical Imaging 2011: Biomedical Applications in Molecular, Structural, and Functional Imaging, 79651B (9 March 2011); https://doi.org/10.1117/12.877387

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KEYWORDS

Tumors

Imaging systems

Cancer

Luminescence

Near infrared

Surgery

Molecules

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