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Recent Advances in Glucose-Oxidase-Based Nanocomposites for Tumor Therapy

Journal

SMALL
Volume 15, Issue 51, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201903895

Keywords

chemodynamic therapy; chemotherapy; glucose oxidase; immunotherapy; nanocarriers; phototherapy

Funding

  1. National Natural Science Foundation of China [51872263, 51572258, 51772142, 51929201, 51720105015]
  2. Chinese Government [2017YFE0132300]
  3. Australian Government [2017YFE0132300]
  4. Youth Innovation Promotion Association of CAS [2017273]
  5. Zhejiang Provincial Natural Science Foundation of China [LZ19E020001, LQ18B010002]
  6. Zhejiang Provincial Ten Thousands Talents Program [2018R52005]
  7. Key Construction Project of Zhejiang Normal University [2017XM022]

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Glucose oxidase (GOx) can react with intracellular glucose and oxygen (O-2) to produce hydrogen peroxide (H2O2) and gluconic acid, which can cut off the nutrition source of cancer cells and consequently inhibit their proliferation. Therefore, GOx is recognised as an ideal endogenous oxido-reductase for cancer starvation therapy. This process can further regulate the tumor microenvironment by increasing the hypoxia and the acidity. Thus, GOx offers new possibilities for the elaborate design of multifunctional nanocomposites for tumor therapy. However, natural GOx is expensive to prepare and purify and exhibits immunogenicity, short in vivo half-life, and systemic toxicity. Furthermore, GOx is highly prone to degrade after exposure to biological conditions. These intrinsic shortcomings will undoubtedly limit its biomedical applications. Accordingly, some nanocarriers can be used to protect GOx from the surrounding environment, thus controlling or preserving the activity. A variety of nanocarriers including hollow mesoporous silica nanoparticles, metal-organic frameworks, organic polymers, and magnetic nanoparticles are summarized for the construction of GOx-based nanocomposites for multimodal synergistic cancer therapy. In addition, current challenges and promising developments in this area are highlighted.

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