ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces
5 years ago

Indocyanine Green-holo-Transferrin Nanoassemblies for Tumor-Targeted Dual-Modal Imaging and Photothermal Therapy of Glioma

Indocyanine Green-holo-Transferrin Nanoassemblies for Tumor-Targeted Dual-Modal Imaging and Photothermal Therapy of Glioma
Xiaobing Wang, Xianyuan Xia, Hairong Zheng, Dehong Hu, Xin Liu, Yali Jia, Mingting Zhu, Pan Wang, Zonghai Sheng, Chengbo Liu
Active-targeted cancer imaging and therapy of glioma has attracted much attention in theranostic nanomedicine. As a promising tumor-targeting ligand, holo-transferrin (holo-Tf) has been applied for enhancing delivery of nanotheranostics. However, holo-Tf-based nanoassemblies for active targeting mediated multimodal imaging and therapeutics have not been previously reported. Here, we develop a one-step method for the preparation of holo-Tf-indocyanine green (holo-Tf-ICG) nanoassemblies for fluorescence (FL) and photoacoustic (PA) dual-modal imaging and photothermal therapy (PTT) of glioma. The nanoassemblies are formed by hydrophobic interaction and hydrogen bonds between holo-Tf and ICG, which exhibit excellent active tumor-targeting and high biocompability. The brain tumor with highly expressed Tf receptor can be clearly observed with holo-Tf-ICG nanoassemblies base on FL and PA dual-modal imaging in subcutaneous and orthotopic glioma models. Under the near-infrared laser irradiation, the holo-Tf-ICG nanoassemblies accumulated in tumor regions can efficiently convert laser energy into hyperthermia for tumor ablation. The novel theranostic nanoplatform holds great promise for precision diagnosis and treatment of glioma.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b14076

DOI: 10.1021/acsami.7b14076

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