Volume 6, Issue 3 pp. 430-437
Full Paper

HDL-Mimicking Peptide–Lipid Nanoparticles with Improved Tumor Targeting

Zhihong Zhang

Zhihong Zhang

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

Britton Chance Center for Biomedical Photonics Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan (China)

These authors contributed equally to this work.

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Juan Chen

Juan Chen

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

These authors contributed equally to this work.

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Lili Ding

Lili Ding

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

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Honglin Jin

Honglin Jin

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

Britton Chance Center for Biomedical Photonics Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan (China)

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Jonathan F. Lovell

Jonathan F. Lovell

Institute for Biomaterials and Biomedical Engineering University of Toronto Toronto (Canada)

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Ian R. Corbin

Ian R. Corbin

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

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Weiguo Cao

Weiguo Cao

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

Department of Chemistry Shanghai University Shanghai (China)

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Pui-Chi Lo

Pui-Chi Lo

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

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Mi Yang

Mi Yang

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

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Ming-Sound Tsao

Ming-Sound Tsao

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

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Qingming Luo

Qingming Luo

Britton Chance Center for Biomedical Photonics Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan (China)

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Gang Zheng

Corresponding Author

Gang Zheng

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada)

Institute for Biomaterials and Biomedical Engineering University of Toronto Toronto (Canada)

Department of Medical Biophysics Ontario Cancer Institute University of Toronto TMDT 5-363, 101 College Street, Toronto, ON M5G 1L7 (Canada).Search for more papers by this author
First published: 27 January 2010
Citations: 116

Abstract

Targeted delivery of intracellularly active diagnostics and therapeutics in vivo is a major challenge in cancer nanomedicine. A nanocarrier should possess long circulation time yet be small and stable enough to freely navigate through interstitial space to deliver its cargo to targeted cells. Herein, it is shown that by adding targeting ligands to nanoparticles that mimic high-density lipoprotein (HDL), tumor-targeted sub-30-nm peptide–lipid nanocarriers are created with controllable size, cargo loading, and shielding properties. The size of the nanocarrier is tunable between 10 and 30 nm, which correlates with a payload of 15–100 molecules of fluorescent dye. Ligand-directed nanocarriers targeting epidermal growth factor receptor (EGFR) are confirmed both in vitro and in vivo. The nanocarriers show favorable circulation time, tumor accumulation, and biodistribution with or without the targeting ligand. The EGFR targeting ligand is proved to be essential for the EGFR-mediated tumor cell uptake of the nanocarriers, a prerequisite of intracellular delivery. The results demonstrate that targeted HDL-mimetic nanocarriers are useful delivery vehicles that could open new avenues for the development of clinically viable targeted nanomedicine.

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