Journal
JOURNAL OF MATERIALS CHEMISTRY B
Volume 9, Issue 35, Pages 7117-7131Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1tb01001h
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Funding
- Chinese Government [2017YFE0132300]
- National Natural Science Foundation of China [NSFC 51720105015, 51929201, 51922097, 51772124, 51872282]
- Key Research Program of Frontier Sciences, CAS [YZDY-SSW-JSC018]
- Postdoctoral Innovative Talents Support Program [BX2021360]
- Youth Innovation Promotion Association of CAS [2017273]
- Australian Government [2017YFE0132300]
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Immunotherapy is crucial in cancer treatment but still faces challenges. Manganese oxide nanomaterials can elicit anti-tumor immune responses in multiple ways, showing great potential. This review discusses the application of MONs in immunotherapy through various mechanisms, aiming to guide the translation of immunotherapy from the lab to the bedside in the future.
Immunotherapy, a strategy that leverages the host immune function to fight against cancer, plays an increasingly important role in clinical tumor therapy. In spite of the great success achieved in not only clinical treatment but also basic research, cancer immunotherapy still faces many huge challenges. Manganese oxide nanomaterials (MONs), as ideal tumor microenvironment (TME)-responsive biomaterials, are able to dramatically elicit anti-tumor immune responses in multiple ways, indicating great prospects for immunotherapy. In this review, on the basis of different mechanisms to boost immunotherapy, major highlighted topics are presented, covering adjusting an immunosuppressive TME by generating O-2 (like O-2-sensitized photodynamic therapy (PDT), programmed cell death ligand-1 (PD-L1) expression downregulation, reprogramming tumor-associated macrophages (TAMs), and restraining tumor angiogenesis and lactic acid exhaustion), inducing immunogenic cell death (ICD), photothermal therapy (PTT) induction, activating the stimulator of interferon gene (STING) pathway and immunoadjuvants for nanovaccines. We hope that this review will provide holistic understanding about MONs and their application in cancer immunotherapy, and thus pave the way to the translation from bench to bedside in the future.
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