Nanotheranostics 2018; 2(1):87-95. doi:10.7150/ntno.21942

Research Paper

Construction of Multifunctional Fe3O4-MTX@HBc Nanoparticles for MR Imaging and Photothermal Therapy/Chemotherapy

Qiang Zhang2*, Wenjun Shan1*, Chaochao Ai1, Zhiwei Chen3, Tiantian Zhou3, Xiaolin Lv1, Xi Zhou1, Shefang Ye1, Lei Ren1,4,5 ✉, Xiumin Wang2 ✉

1. Key Laboratory of Biomedical Engineering of Fujian Province University/Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, Fujian, P. R. China.
2. School of Pharmaceutical Sciences, Xiamen University, Xiamen 361002, Fujian, P. R. China.
3. Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance Research, Xiamen University, Xiamen 361005, Fujian, P. R. China.
4. Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Xiamen University, Xiamen 361005, Fujian, P. R. China.
5. State Key Lab of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, P. R. China.
*These authors contributed equally to this work.

Abstract

To accomplish effective cancer imaging and integrated therapy, the multifunctional nanotheranostic Fe3O4-MTX@HBc core-shell nanoparticles (NPs) were designed. A straightforward method was demonstrated for efficient encapsulation of magnetic NPs into the engineered virus-like particles (VLPs) through the affinity of histidine tags for the methotrexate (MTX)-Ni2+ chelate. HBc144-His VLPs shell could protect Fe3O4-MTX NPs from the recognition by the reticuloendothelial system as well as could increase their cellular uptake efficiency. Through our well-designed tactic, the photothermal efficiency of Fe3O4 NPs were obviously improved in vitro and in vivo upon near-infrared (NIR) laser irradiation. Moreover, Magnetic resonance imaging (MRI) results showed that the Fe3O4-MTX@HBc core-shell NPs were reliable T2-type MRI contrast agents for tumor imaging. Hence the Fe3O4-MTX@HBc core-shell NPs may act as a promising theranostic platform for multimodal cancer treatment.

Keywords: Virus-Like Nanoparticles, MRI, Chemotherapy, Photothermal Therapy, Theranostic

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How to cite this article:
Zhang Q, Shan W, Ai C, Chen Z, Zhou T, Lv X, Zhou X, Ye S, Ren L, Wang X. Construction of Multifunctional Fe3O4-MTX@HBc Nanoparticles for MR Imaging and Photothermal Therapy/Chemotherapy. Nanotheranostics 2018; 2(1):87-95. doi:10.7150/ntno.21942. Available from http://www.ntno.org/v02p0087.htm