Volume 39, Issue 8 pp. 2107-2112
Concise Report

Exosome-Coated Zeolitic Imidazolate Framework Nanoparticles for Intracellular Detection of ATP

Wenxing Lv

Wenxing Lv

Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072 China

Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China

W. L. and Z. H. contributed equally.

Dedicate to the Special Issue of In Situ Target Biomolecule Analysis in Confined Nanospace.

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Ziwei Han

Ziwei Han

Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China

School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049 China

W. L. and Z. H. contributed equally.

Dedicate to the Special Issue of In Situ Target Biomolecule Analysis in Confined Nanospace.

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Yike Li

Yike Li

Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China

School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049 China

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Yanjuan Huang

Yanjuan Huang

Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China

School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049 China

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Jiashu Sun

Jiashu Sun

Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China

School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049 China

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Xiaoquan Lu

Corresponding Author

Xiaoquan Lu

Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072 China

Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070 China

E-mail: [email protected]; [email protected]Search for more papers by this author
Chao Liu

Corresponding Author

Chao Liu

Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190 China

School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049 China

E-mail: [email protected]; [email protected]Search for more papers by this author
First published: 10 April 2021
Citations: 9

Main observation and conclusion

The intracellular delivery of metal-organic frameworks (MOFs) encapsulated with functional biomolecules represents a promising avenue in the field of biomedicine and biosensing. To improve the cellular uptake efficiency of MOFs, here we report the fabrication of cancer cell-derived exosome membrane (EM)-coated zeolitic imidazolate framework-8 (EM-ZIF-8) nanoparticles by using a microfluidic sonication device. EM-ZIF-8 nanoparticles loaded with FITC-labeled bovine serum albumin (BSA) can be taken up by cancer cells and evade phagocytosis more efficiently than their counterparts (ZIF-8 nanoparticles). Moreover, we use EM-ZIF-8 loaded with Rhodamine B (RhB) for in situ imaging of cellular adenosine triphosphate (ATP). The shield effect of ZIF-8 suppresses the fluorescence of RhB, and the presence of ATP disrupts the ZIF-8 structure based on the competitive coordination between ATP and Zn2+, leading to the restoration of RhB fluorescence. This method allows accurate detection of the fluctuation of ATP in A549 cells induced by Ca2+ or 2-DDG treatment. The devised biomimetic EM-ZIF-8 nanoparticles thus provide an efficient platform for intracellular drug delivery and ATP sensing.image

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