Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 48, Pages 15782-15786Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201810082
Keywords
colon cancer; cuprous oxide; endogenous H2S; in situ reactions; theranostics
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Funding
- National Natural Science Foundation of China [21601124, 21671135]
- Program of Young Eastern Scholar from Shanghai Institutions of Higher Learning [QD2015038]
- Shanghai Rising-Star Program [17QA1402600]
- International Joint Laboratory on Resource Chemistry (IJLRC)
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Expression of a high concentration of H2S is closely related to the formation of colon cancer tumors. However, only a few H2S-triggered theranostics agents for colon cancer have been reported to date. Now, a turn-on theranostics agent was developed by utilizing the in situ reaction of Cu2O and endogenous H2S at colon tumor sites. Based on in vitro and in vivo experiments, excellent photoacoustic imaging and photothermal therapy were both confirmed by this in situ reaction-activated colon cancer theranostics method. This work established a simple and efficient strategy for both diagnosis and treatment of colon cancer with a novel trigger mechanism, which provides a new route for colon cancer theranostics based on the in situ reactions at the tumor sites.
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