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Co-Administration of iRGD with Sorafenib-Loaded Iron-Based Metal-Organic Framework as a Targeted Ferroptosis Agent for Liver Cancer Therapy

Authors Liu X, Zhu X, Qi X, Meng X, Xu K

Received 17 November 2020

Accepted for publication 26 January 2021

Published 11 February 2021 Volume 2021:16 Pages 1037—1050

DOI https://doi.org/10.2147/IJN.S292528

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 5

Editor who approved publication: Dr Yan Shen


Xianchuang Liu,1 Xinyang Zhu,1 Xun Qi,1 Xianwei Meng,2 Ke Xu1

1Department of Radiology and Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, People’s Republic of China; 2Laboratory of Controllable Preparation and Application of Nanomaterials, Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, People’s Republic of China

Correspondence: Ke Xu
Department of Interventional Radiology, The First Affiliated Hospital of China Medical University, No. 155 Nanjing North Street, Heping District, Shenyang, 110000, Liaoning, People’s Republic of China
Tel +86 24 8328 2999
Fax +86 24 8328 2997
Email kxu@cmu.edu.cn

Purpose: Hepatocellular carcinoma (HCC) is one of the most common fatal cancers, with no curative therapy available. The concept of ferroptosis is attracting increasing attention in cancer research. Herein, we describe the use of a nanodevice as an effective strategy for inducing ferroptosis to manage HCC.
Methods: To improve ferroptosis-induced treatment of HCC, we constructed sorafenib (sor)-loaded MIL-101(Fe) nanoparticles (NPs) [MIL-101(Fe)@sor] and evaluated the efficacy of ferroptosis-based HCC therapy after co-administration with the iRGD peptide both in vitro and in vivo.
Results: The prepared MIL-101(Fe) NPs have several promising characteristics including drug-loading, controllable release, peroxidase activity, biocompatibility, and T2 magnetic resonance imaging ability. MIL-101(Fe)@sor NPs significantly induced ferroptosis in HepG2 cells, increased the levels of lipid peroxidation and malondialdehyde, and reduced those of glutathione and glutathione peroxidase 4 (GPX-4). The in vivo results showed that the MIL-101(Fe)@sor NPs significantly inhibited tumor progression and decreased GPX-4 expression levels, with negligible long-term toxicity. Meanwhile, co-administration of MIL-101(Fe)@sor NPs with iRGD significantly accelerated ferroptosis.
Conclusion: Our findings suggest that MIL-101(Fe)@sor NPs co-administered with iRGD are a promising strategy for inducing HCC ferroptosis.

Keywords: iron-based metal-organic framework, iRGD, sorafenib, ferroptosis, HCC, nanoparticles

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