Volume 51, Issue 40 pp. 10089-10093
Communication

A Liposomal System Capable of Generating CO2 Bubbles to Induce Transient Cavitation, Lysosomal Rupturing, and Cell Necrosis

Min-Fan Chung

Min-Fan Chung

Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30013 (ROC)

These authors contributed equally to this work.

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Ko-Jie Chen

Ko-Jie Chen

Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30013 (ROC)

These authors contributed equally to this work.

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Hsiang-Fa Liang

Hsiang-Fa Liang

Biomedical Technology and Device Research Labs, Industrial Technology Research Institute, Hsinchu, Taiwan 30013 (ROC)

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Zi-Xian Liao

Zi-Xian Liao

Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30013 (ROC)

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Wei-Tso Chia

Wei-Tso Chia

Department of Orthopaedics, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan 30013 (ROC)

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Prof. Younan Xia

Corresponding Author

Prof. Younan Xia

The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332 (USA)

Younan Xia, The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332 (USA)

Hsing-Wen Sung, Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30013 (ROC)

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Prof. Hsing-Wen Sung

Corresponding Author

Prof. Hsing-Wen Sung

Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30013 (ROC)

Younan Xia, The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332 (USA)

Hsing-Wen Sung, Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30013 (ROC)

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First published: 05 September 2012
Citations: 103

This work was supported by a grant from the National Science Council (NSC 100-2120M-007-003), Taiwan (ROC).

Graphical Abstract

Bubbling over: After endocytosis and intracellular trafficking to lysosomes, liposomes containing ammonium bicarbonate can be thermally triggered to generate CO2 bubbles (see scheme). These bubbles grow rapidly and collapse violently to induce transient cavitation, a process that can disrupt the lysosomal membrane and release lysosomal proteases, thus leading to cell necrosis.

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