Issue 26, 2023

Immunological gadolinium-doped mesoporous carbon nanoparticles for tumor-targeted MRI and photothermal-immune co-therapy

Abstract

Photothermal therapy (PTT) is an effective and well-documented approach to thermally ablate tumors. However, the side effect of distal metastasis and recurrence limit its further expansion. At the same time as PTT was developed, the employment of imaging to monitor the treatment of tumors also became meaningful. Herein, as a proof of concept, gadolinium-doped mesoporous carbon nanoparticles (Gd-MCNs) were prepared as nanocarriers, MRI contrast agents, and PTT agents by a one-step hard template method, which realized Gd doping and carbon filling simultaneously, while retaining enough pore space for drug loading. After loading the immune adjuvant, R837, and the coating of tumor extracellular vesicle, the obtained biomimetic nanoparticles (EV@Gd-MCNs-R837) not only allowed tumor MRI, but also inhibited the primary tumor and its metastasis with long-term immune memory in vivo. This study provides proof for the potential of Gd-MCNs-based biomimetic nanoparticles for targeted PTT/immune-enhanced synergistic theranostic of tumors.

Graphical abstract: Immunological gadolinium-doped mesoporous carbon nanoparticles for tumor-targeted MRI and photothermal-immune co-therapy

Supplementary files

Article information

Article type
Paper
Submitted
21 Mar 2023
Accepted
10 Jun 2023
First published
13 Jun 2023

J. Mater. Chem. B, 2023,11, 6147-6158

Immunological gadolinium-doped mesoporous carbon nanoparticles for tumor-targeted MRI and photothermal-immune co-therapy

X. Song, C. Zhang, M. Xing, C. He, D. Wang, L. Chong, X. Zhang, M. Chen and J. Li, J. Mater. Chem. B, 2023, 11, 6147 DOI: 10.1039/D3TB00595J

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