Enzyme-MOF Nanoreactor Activates Nontoxic Paracetamol for Cancer Therapy.

Enzyme-MOF Nanoreactor Activates Nontoxic Paracetamol for Cancer Therapy.
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DOI:
10.1002/anie.201801378
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发表时间:
2018-05-14
期刊:
Angewandte Chemie (International ed. in English)
影响因子:
--
通讯作者:
Zhou HC
Zhou HC
中科院分区:
其他
文献类型:
--
作者:
Lian X;Huang Y;Zhu Y;Fang Y;Zhao R;Joseph E;Li J;Pellois JP;Zhou HC

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Prodrug activation, by exogenously administered enzymes, for cancer therapy is an approach to achieve better selectivity and less systemic toxicity than conventional chemotherapy. However, the short half-lives of the activating enzymes in the bloodstream has limited its success. Demonstrated here is that a tyrosinase-MOF nanoreactor activates the prodrug paracetamol in cancer cells in a long-lasting manner. By generating reactive oxygen species (ROS) and depleting glutathione (GSH), the product of the enzymatic conversion of paracetamol is toxic to drug-resistant cancer cells. Tyrosinase-MOF nanoreactors cause significant cell death in the presence of paracetamol for up to three days after being internalized by cells, while free enzymes totally lose activity in a few hours. Thus, enzyme-MOF nanocomposites are envisioned to be novel persistent platforms for various biomedical applications.
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