Volume 57, Issue 48 pp. 15782-15786
Communication

The In Situ Sulfidation of Cu2O by Endogenous H2S for Colon Cancer Theranostics

Lu An

Lu An

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

These authors contributed equally to this work.

Search for more papers by this author
Xiaodong Wang

Xiaodong Wang

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

These authors contributed equally to this work.

Search for more papers by this author
Xichuan Rui

Xichuan Rui

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

Search for more papers by this author
Dr. Jiaomin Lin

Dr. Jiaomin Lin

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

Search for more papers by this author
Prof. Hong Yang

Prof. Hong Yang

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

Search for more papers by this author
Prof. Qiwei Tian

Corresponding Author

Prof. Qiwei Tian

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

Search for more papers by this author
Cheng Tao

Cheng Tao

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

Search for more papers by this author
Prof. Shiping Yang

Corresponding Author

Prof. Shiping Yang

The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai, 200234 China

Search for more papers by this author
First published: 11 October 2018
Citations: 187

Graphical Abstract

A turn-on theranostics agent was developed by utilizing the in situ reaction of Cu2O (see picture: brown) and endogenous H2S (yellow) at colon tumor sites. Based on in vitro and in vivo experiments, excellent photoacoustic imaging and photothermal therapy were both confirmed after being triggered by this in situ reaction. Cu9S8 shown in green.

Abstract

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.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.