Abstract
The hydrophobic long-chain dialkylcarbocyanine 1,1′-dioctadecyl-3,3,3′,3′-tetramethylindotricarbocyanine iodide (DiR) is an important near infrared (NIR) fluorescent dye, which has a satisfactory photo stability for continuous excitation. During the past decade, it has been widely used for in vivo monitoring of cells. With the fast emergence of novel tumor-targeted nanocarriers, the applications of DiR in the development of fluorescent or multifunctional nano-probes for in vivo tumor imaging are also reported. In these studies, DiR-loaded nanocarriers have resulted in good fluorescence images, indicating the great potential of this dye. However, some important issues about DiR-loaded nanocarriers were often overlooked. These issues include the in vivo fluorescent properties, stability, toxicity, retention and metabolization of DiR-loaded nanocarriers. This review introduced the current use and the properties of DiR-loaded nanocarriers for in vivo tumor imaging. The perspective outlook at the last section highlights the future application of DiR-loaded nanocarriers.
Keywords: DiR, Fluorescence imaging, Nanocarrier, Near-infrared, Tumor.
Current Drug Delivery
Title:In vivo Near-infrared Fluorescence Tumor Imaging Using DiR-loaded Nanocarriers
Volume: 13 Issue: 1
Author(s): Hao Liu and Daocheng Wu
Affiliation:
Keywords: DiR, Fluorescence imaging, Nanocarrier, Near-infrared, Tumor.
Abstract: The hydrophobic long-chain dialkylcarbocyanine 1,1′-dioctadecyl-3,3,3′,3′-tetramethylindotricarbocyanine iodide (DiR) is an important near infrared (NIR) fluorescent dye, which has a satisfactory photo stability for continuous excitation. During the past decade, it has been widely used for in vivo monitoring of cells. With the fast emergence of novel tumor-targeted nanocarriers, the applications of DiR in the development of fluorescent or multifunctional nano-probes for in vivo tumor imaging are also reported. In these studies, DiR-loaded nanocarriers have resulted in good fluorescence images, indicating the great potential of this dye. However, some important issues about DiR-loaded nanocarriers were often overlooked. These issues include the in vivo fluorescent properties, stability, toxicity, retention and metabolization of DiR-loaded nanocarriers. This review introduced the current use and the properties of DiR-loaded nanocarriers for in vivo tumor imaging. The perspective outlook at the last section highlights the future application of DiR-loaded nanocarriers.
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Cite this article as:
Liu Hao and Wu Daocheng, In vivo Near-infrared Fluorescence Tumor Imaging Using DiR-loaded Nanocarriers, Current Drug Delivery 2016; 13 (1) . https://dx.doi.org/10.2174/1567201812666150703114908
DOI https://dx.doi.org/10.2174/1567201812666150703114908 |
Print ISSN 1567-2018 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5704 |
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