2. Academic Validation
  3. Direct light-up of cAMP derivatives in living cells by click reactions

Direct light-up of cAMP derivatives in living cells by click reactions

  • Molecules. 2013 Oct 17;18(10):12909-15. doi: 10.3390/molecules181012909.
Kenichiro Ito 1,  Hongshan Liu,  Makoto Komiyama,  Tetsuya Hayashi,  Yan Xu
Affiliations

Affiliation

  • 1 Research Center for Advanced Science and Technology, The University of Tokyo 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan. xuyan@fc.miyazaki-u.ac.jp.
PMID: 24141242 DOI: 10.3390/molecules181012909
Abstract

8-Azidoadenosine 3',5'-cyclic monophosphate (8-azido cAMP) was directly detected in living cells, by applying Cu-free azide-alkyne cycloaddition to probe cAMP derivatives by fluorescence light-up. Fluorescence emission was generated by two non-fluorescent molecules, 8-azido cAMP as a model target and difluorinated cyclooctyne (DIFO) reagent as a probe. The azide-alkyne cycloaddition reaction between 8-azido cAMP and DIFO induces fluorescence in 8-azido cAMP. The fluorescence emission serves as a way to probe 8-azido cAMP in cells.

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