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Preparation of bufalin-loaded pluronic polyetherimide nanoparticles, cellular uptake, distribution, and effect on colorectal cancer

Authors Hu Q, Liang B, Sun Y, Guo XL, Bao YJ, Xie DH, Zhou M, Duan YR, Yin PH, Peng ZH

Received 24 March 2014

Accepted for publication 12 June 2014

Published 21 August 2014 Volume 2014:9(1) Pages 4035—4041

DOI https://doi.org/10.2147/IJN.S64708

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Qiang Hu,1,3,* Bo Liang,2,* Ying Sun,4 Xiao-Ling Guo,2,* Yi-Jie Bao,2 Dong-Hao Xie,3 Ming Zhou,3 You-Rong Duan,4 Pei-Hao Yin,2 Zhi-Hai Peng1

1Department of Hepatobiliary Surgery, Qianfoshan Hospital, Shandong University, Jinan, 2Department of General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, 3Department of General Surgery, Dahua Hospital, 4State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China

*These authors contributed equally to this work

Abstract: A large number of studies have shown that bufalin can have a significant antitumor effect in a variety of tumors. However, because of toxicity, insolubility in water, fast metabolism, short half-life, and other shortcomings, its application is limited in cancer therapy. In this study, we explored the anti-metastatic role of bufalin-loaded pluronic polyetherimide nanoparticles on HCT116 colon cancer-bearing mice. Nanoparticle size, shape, drug loading, encapsulation efficiency, and in vitro drug release were studied. Also, cellular uptake of nanoparticles, in vivo tumor targeting, and tumor metastasis were studied. The nanoparticles had a particle size of about 60 nm and an encapsulation efficiency of 75.71%, by weight. The in vitro release data showed that free bufalin was released faster than bufalin-loaded pluronic polyetherimide nanoparticles, and almost 80% of free bufalin was released after 32 hours. Nanoparticles had an even size distribution, were stable, and had a slow release and a tumor-targeting effect. Bufalin-loaded pluronic polyetherimide nanoparticles can significantly inhibit the growth and metastasis of colorectal cancer.

Keywords: colon cancer, nanoparticles, tumor target, bufalin

Corrigendum for this paper has been published

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Other article by this author:

Preparation of bufalin-loaded pluronic polyetherimide nanoparticles, cellular uptake, distribution, and effect on colorectal cancer [Corrigendum]

Hu Q, Liang B, Sun Y, Guo XL, Bao YJ, Xie DH, Zhou M, Duan YR, Yin PH, Peng ZH

International Journal of Nanomedicine 2017, 12:4661-4662

Published Date: 28 June 2017

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