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Bioorthogonal cyclization-mediated in situ self-assembly of small-molecule probes for imaging caspase activity in vivo
Open accessAbstract
Directed self-assembly of small molecules in living systems could enable a myriad of applications in biology and medicine, and it has been widely used to synthesize supramolecules and nano/microstructures in solution and in living cells. However, controlling self-assembly of synthetic small molecules in living animals is challenging because of the complex and dynamic in vivo physiological environment. Here we employed an optimized first-order bioorthogonal cyclization reaction to control self-assembly of a fluorescent small molecule, and demonstrated its in vivo applicability by imaging of casapae-3/7 activity in human tumor xenograft mouse models of chemotherapy. The in situ assembled fluorescent nanoparticles have been successfully imaged in both apoptotic cells and tumor tissues using three-dimensional structured illumination microscopy. This strategy combines the advantages offered by small molecules with those of nanomaterials and should find widespread use for non-invasive imaging of enzyme activity in vivo.
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Cited by
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Smith, B. R., & Gambhir, S. S. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00073 · Cited by 1,075
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Liu, H.-W., Chen, L., Xu, C., Li, Z., Zhang, H., Zhang, X.-B., & Tan, W. (2018) · Chemical Society Reviews · doi:10.1039/c7cs00862g · Cited by 948
Click Chemistry in Complex Mixtures: Bioorthogonal Bioconjugation
McKay, C. S., & Finn, M. G. (2014) · Chemistry & Biology · doi:10.1016/j.chembiol.2014.09.002 · Cited by 768
Recent Advances in Tumor Targeting via EPR Effect for Cancer Treatment
Subhan, M. A., Yalamarty, S. S. K., Filipczak, N., Parveen, F., & Torchilin, V. P. (2021) · Journal of Personalized Medicine · doi:10.3390/jpm11060571 · Cited by 623
Fluorescent Probes for Disease Diagnosis
Wang, X., Ding, Q., Groleau, R. R., Wu, L., Mao, Y., Che, F., Kotova, O., Scanlan, E. M., Lewis, S. E., Li, P., et al. (2024) · Chemical Reviews · doi:10.1021/acs.chemrev.3c00776 · Cited by 543
Metadata
- Authors
- Ye, D., Shuhendler, A. J., Cui, L., Tong, L., Tee, S. S., Tikhomirov, G., Felsher, D. W., & Rao, J.
- Venue
- Nature Chemistry
- Published
- 2014-04-28
- Volume
- 6
- Issue
- 6
- Pages
- 519-526
- ISSN
- 1755-4330 (ISSN-L)
- 1755-4349
- OpenAlex
- W1991945497
- Cited by
- 492
- References
- 0
- FWCI
- 16.31
- Type
- journal article
- Language
- en
- Open access
- green
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- Ye, D., Shuhendler, A. J., Cui, L., Tong, L., Tee, S. S., Tikhomirov, G., Felsher, D. W., & Rao, J. (2014). Bioorthogonal cyclization-mediated in situ self-assembly of small-molecule probes for imaging caspase activity in vivo. Nature Chemistry. https://doi.org/10.1038/nchem.1920
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