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A biomimetic nanoreactor for synergistic chemiexcited photodynamic therapy and starvation therapy against tumor metastasis

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  • Zhengze Yu

    (Shandong Normal University)

  • Ping Zhou

    (Shandong Normal University)

  • Wei Pan

    (Shandong Normal University)

  • Na Li

    (Shandong Normal University)

  • Bo Tang

    (Shandong Normal University)

Abstract

Photodynamic therapy (PDT) is ineffective against deeply seated metastatic tumors due to poor penetration of the excitation light. Herein, we developed a biomimetic nanoreactor (bio-NR) to achieve synergistic chemiexcited photodynamic-starvation therapy against tumor metastasis. Photosensitizers on the hollow mesoporous silica nanoparticles (HMSNs) are excited by chemical energy in situ of the deep metastatic tumor to generate singlet oxygen (1O2) for PDT, and glucose oxidase (GOx) catalyzes glucose into hydrogen peroxide (H2O2). Remarkably, this process not only blocks the nutrient supply for starvation therapy but also provides H2O2 to synergistically enhance PDT. Cancer cell membrane coating endows the nanoparticle with biological properties of homologous adhesion and immune escape. Thus, bio-NRs can effectively convert the glucose into 1O2 in metastatic tumors. The excellent therapeutic effects of bio-NRs in vitro and in vivo indicate their great potential for cancer metastasis therapy.

Suggested Citation

  • Zhengze Yu & Ping Zhou & Wei Pan & Na Li & Bo Tang, 2018. "A biomimetic nanoreactor for synergistic chemiexcited photodynamic therapy and starvation therapy against tumor metastasis," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07197-8
    DOI: 10.1038/s41467-018-07197-8
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    Cited by:

    1. Guihong Lu & Xiaojun Wang & Feng Li & Shuang Wang & Jiawei Zhao & Jinyi Wang & Jing Liu & Chengliang Lyu & Peng Ye & Hui Tan & Weiping Li & Guanghui Ma & Wei Wei, 2022. "Engineered biomimetic nanoparticles achieve targeted delivery and efficient metabolism-based synergistic therapy against glioblastoma," Nature Communications, Nature, vol. 13(1), pages 1-17, December.
    2. Kun-Xu Teng & Li-Ya Niu & Nan Xie & Qing-Zheng Yang, 2022. "Supramolecular photodynamic agents for simultaneous oxidation of NADH and generation of superoxide radical," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Yang Yang & Jinshu Huang & Wei Wei & Qin Zeng & Xipeng Li & Da Xing & Bo Zhou & Tao Zhang, 2022. "Switching the NIR upconversion of nanoparticles for the orthogonal activation of photoacoustic imaging and phototherapy," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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