ENZYME-SPECIFIC FLUORESCENT COMPOUND CAPABLE OF BEING RETAINED IN CELLS
申请人:The University of Tokyo
公开号:US20170073321A1
公开(公告)日:2017-03-16
Provided is an enzyme-specific fluorescent compound capable of being retained in cells, which can emit fluorescence specifically in a target cell, particularly a cell capable of expressing a reporter enzyme such as β-galactosidase, and can covalently bind to a protein in the cell to exhibit an excellent property of being retained in the cell. The fluorescent compound comprises a compound represented by formula (I′) or a salt thereof. In formula (I′), A, X, Y and R1 to R9 are as described in claim 1.
used as a marker for cells with targeted gene expression or disruption. However, it has been difficult to detect lacZ‐positive cells in living organisms or tissues at single‐cell resolution, limiting the utility of existing lacZ reporters. Herein we present a newly developed fluorogenic β‐galactosidase substrate suitable for labeling live cells in culture, as well as in living tissues. This precisely functionalized