Nanoparticles for Colorectal Cancer Targeted Drug Delivery and MR Imaging: Current Situation and Perspectives

Author(s): Zhi Dong, Min-Yi Cui, Zhenpeng Peng, Yin Li, Xiaoling Wang, Zhuangnian Fang, Mengjie Jiang, Ling Xu, Yanji Luo, Zi-Ping Li, Shi-Ting Feng

Journal Name: Current Cancer Drug Targets

Volume 16 , Issue 6 , 2016

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Graphical Abstract:


The application of nanoparticles (NPs) offers new prospects for the early detection and effective therapy of colorectal cancer (CRC). Various NPs have been designed and explored as diagnostic and/or therapeutic drug delivery vehicles. To achieve selective treatment and to reduce toxicity, these nanoparticles are usually endowed with targeting abilities. Passive targeting is based on the extravasation and enhanced permeability and retention effect of tumors, while active targeting always involves binding to specific ligands that are recognizable by CRC tissues, such as vascular endothelial growth factor, folate, monoclonal antibodies (mAbs), aptamers, and membrane penetrating peptides. In addition, contrast agents, such as gadolinium complexes and iron oxide particles, can be introduced into the delivery system to enable MR imaging and lesion detection. Furthermore, smart carriers have been gradually applied to the delivery system. These carriers are designed to respond to certain changes in the bio-environment and release encapsulated contents on demand, thus achieving effective drug concentrations at tumor sites. This review focuses on recent advances of NP technology for the targeted diagnosis and treatment of CRC and aims to unveil the emerging possibilities of using nanocarriers to enhance therapeutic applications.

Keywords: Colorectal cancer targeted, drug delivery, MR imaging, active control.

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Article Details

Year: 2016
Published on: 30 November, 2015
Page: [536 - 550]
Pages: 15
DOI: 10.2174/1568009616666151130214442
Price: $65

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