Tumor microenvironment-regulated nanoplatforms for the inhibition of tumor growth and metastasis in chemo-immunotherapy

Xueping Yu, Xiupeng Wang*, Atsushi Yamazaki, Xia Li

*この研究の対応する著者

研究成果: Article査読

抄録

Chemotherapy is one of the major clinical anticancer therapies. However, its efficiency is limited by many factors, including the complex tumor microenvironment (TME). Herein, manganese-doped mesoporous silica nanoparticles (MM NPs) were constructed and applied to regulate the TME and enhance the efficiency of the combination of chemotherapy and immunotherapy (chemo-immunotherapy). Notably, the combination of MM NPs, doxorubicin hydrochloride, and immune checkpoint inhibitors enhanced the synergistic efficiency of chemo-immunotherapy in a bilateral animal model, which simultaneously inhibited the growth of primary tumors and distant untreated tumors. Moreover, Mn-doping endowed MSNs with six new regulatory functions for the TME by inducing glutathione depletion, ROS generation, oxygenation, cell-killing effect, immune activation, and degradation promotion. These results demonstrated that MM NPs with TME regulatory functions can potentially improve the efficiency of chemo-immunotherapy.

本文言語English
ジャーナルJournal of Materials Chemistry B
DOI
出版ステータスAccepted/In press - 2022

ASJC Scopus subject areas

  • 化学 (全般)
  • 生体医工学
  • 材料科学(全般)

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