2010
DOI: 10.1158/1078-0432.ccr-10-0059
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Near IR Heptamethine Cyanine Dye–Mediated Cancer Imaging

Abstract: Purpose: Near-IR fluorescence imaging has great potential for noninvasive in vivo imaging of tumors. In this study, we show the preferential uptake and retention of two hepatamethine cyanine dyes, IR-783 and MHI-148, in tumor cells and tissues.Experimental Design: IR-783 and MHI-148 were investigated for their ability to accumulate in human cancer cells, tumor xenografts, and spontaneous mouse tumors in transgenic animals. Time-and concentration-dependent dye uptake and retention in normal and cancer cells and… Show more

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Cited by 247 publications
(313 citation statements)
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“…Shi and Chung et al identified a class of NIR fluorescence heptamethine cyanines (1-3) for tumor imaging. 60,61 These small molecular dyes could be taken up and accumulated in tumor cells without requiring chemical conjugation with tumorspecific targeting ligands. The recognition mechanism was mediated by hypoxia-induced HIF-1a and specific organic anion transporting polypeptides (OATPs).…”
Section: Nir Imaging Fluorophoresmentioning
confidence: 99%
“…Shi and Chung et al identified a class of NIR fluorescence heptamethine cyanines (1-3) for tumor imaging. 60,61 These small molecular dyes could be taken up and accumulated in tumor cells without requiring chemical conjugation with tumorspecific targeting ligands. The recognition mechanism was mediated by hypoxia-induced HIF-1a and specific organic anion transporting polypeptides (OATPs).…”
Section: Nir Imaging Fluorophoresmentioning
confidence: 99%
“…Currently, heptamethine indocyanine dyes such as IR-780 iodide, IR-783 (Figure 3), MHI-148, and porphyrin derivatives Pz 247, are identified with preferential accumulation in cancer tissues, displaying great advantages over the common fluorescent dyes, like ICG. 104 Although the mechanism accounting for the specific accumulation and retention of these dyes remains unclear, the implications of mitochondrial membrane potential, organic-anion transporting polypeptides (OATPs), and EPR effect in this process have been illustrated. These natively multifunctional NIRF dyes extend our understanding in tumor-targeted imaging.…”
Section: Native Nirf Dyes With Tumor-targeting Abilitymentioning
confidence: 99%
“…They show low autofluorescence, but when combined with biological molecules, they induce strong fluorescence after being chemically modified to improve the stability of the molecules. 19 Importantly, these dyes do not cause cytotoxicity or systemic toxicity in mice when administered in a dose range appropriate for imaging.…”
Section: Introductionmentioning
confidence: 99%