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2020-04-21Zeitschriftenartikel DOI: 10.18452/21431
A Novel Visible Range FRET Probe for Monitoring Acid Sphingomyelinase Activity in Living Cells
Kappe, Christian
Mohamed, Zainelabdeen H.
Naser, Eyad
Carpinteiro, Alexander
Arenz, Christoph cc
Mathematisch-Naturwissenschaftliche Fakultät
Activity of acid sphingomyelinase has been implicated in a number of diseases like acute lung injury, sepsis or metastasis of melanoma cells. Here, we present a sphingomyelinase FRET probe based on FAM/BODIPY dyes for real‐time monitoring of acid sphingomyelinase. The probe gives rise to a tremendous increase in fluorescence of the fluorescein FRET donor upon cleavage and we show that this is, to a significant part, due to cleavage‐associated phase transition, suggesting a more systematic consideration of such effects for future probe development. The probe allows for the first time to monitor relative sphingomyelinase activities of intact living cells by flow cytometry.
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(CC BY-NC 4.0) Attribution-NonCommercial 4.0 International(CC BY-NC 4.0) Attribution-NonCommercial 4.0 International(CC BY-NC 4.0) Attribution-NonCommercial 4.0 International
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DOI
10.18452/21431
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