Dual aggregation-induced emission for enhanced fluorescence sensing of furin activity in vitro and in living cells

The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing “smart” strategies to effectively aggregate the AIE fluorogen and additionally enhance the fluorescence emission remain challenging. In this work, by integrating a biocompatible conde...

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Published inChemical communications (Cambridge, England) Vol. 53; no. 6; pp. 1037 - 1040
Main Authors Liu, Xiaomei, Liang, Gaolin
Format Journal Article
LanguageEnglish
Published England 2017
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Abstract The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing “smart” strategies to effectively aggregate the AIE fluorogen and additionally enhance the fluorescence emission remain challenging. In this work, by integrating a biocompatible condensation reaction with an AIE fluorogen, we rationally designed a “smart” dual AIE probe Ac-Arg-Val-Arg-Arg-Cys(StBu)-Lys(TPE)-CBT ( 1 ) for enhanced fluorescence sensing furin activity in vitro and in living cells. Compared with the single AIE probe Ac-Arg-Val-Arg-Arg-Lys(TPE)-OH ( 1-Ctrl ) which also subjects to furin cleavage, fluorescence emissions of 1 were additionally enhanced 1.7 fold and 3.4 fold in vitro and in living cells, respectively. We envision that, in the near future, our “smart” strategy of enzyme-instructed dual AIE could be widely applied for sensing (or imaging) enzyme activity in vitro and even in vivo with dramatically enhanced sensitivity.
AbstractList The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing "smart" strategies to effectively aggregate the AIE fluorogen and additionally enhance the fluorescence emission remain challenging. In this work, by integrating a biocompatible condensation reaction with an AIE fluorogen, we rationally designed a "smart" dual AIE probe Ac-Arg-Val-Arg-Arg-Cys(StBu)-Lys(TPE)-CBT (1) for enhanced fluorescence sensing furin activity in vitro and in living cells. Compared with the single AIE probe Ac-Arg-Val-Arg-Arg-Lys(TPE)-OH (1-Ctrl) which also subjects to furin cleavage, fluorescence emissions of 1 were additionally enhanced 1.7 fold and 3.4 fold in vitro and in living cells, respectively. We envision that, in the near future, our "smart" strategy of enzyme-instructed dual AIE could be widely applied for sensing (or imaging) enzyme activity in vitro and even in vivo with dramatically enhanced sensitivity.
The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing “smart” strategies to effectively aggregate the AIE fluorogen and additionally enhance the fluorescence emission remain challenging. In this work, by integrating a biocompatible condensation reaction with an AIE fluorogen, we rationally designed a “smart” dual AIE probe Ac-Arg-Val-Arg-Arg-Cys(StBu)-Lys(TPE)-CBT ( 1 ) for enhanced fluorescence sensing furin activity in vitro and in living cells. Compared with the single AIE probe Ac-Arg-Val-Arg-Arg-Lys(TPE)-OH ( 1-Ctrl ) which also subjects to furin cleavage, fluorescence emissions of 1 were additionally enhanced 1.7 fold and 3.4 fold in vitro and in living cells, respectively. We envision that, in the near future, our “smart” strategy of enzyme-instructed dual AIE could be widely applied for sensing (or imaging) enzyme activity in vitro and even in vivo with dramatically enhanced sensitivity.
The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing "smart" strategies to effectively aggregate the AIE fluorogen and additionally enhance the fluorescence emission remain challenging. In this work, by integrating a biocompatible condensation reaction with an AIE fluorogen, we rationally designed a "smart" dual AIE probe Ac-Arg-Val-Arg-Arg-Cys(StBu)-Lys(TPE)-CBT (1) for enhanced fluorescence sensing furin activity in vitro and in living cells. Compared with the single AIE probe Ac-Arg-Val-Arg-Arg-Lys(TPE)-OH (1-Ctrl) which also subjects to furin cleavage, fluorescence emissions of 1 were additionally enhanced 1.7 fold and 3.4 fold in vitro and in living cells, respectively. We envision that, in the near future, our "smart" strategy of enzyme-instructed dual AIE could be widely applied for sensing (or imaging) enzyme activity in vitro and even in vivo with dramatically enhanced sensitivity.The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing "smart" strategies to effectively aggregate the AIE fluorogen and additionally enhance the fluorescence emission remain challenging. In this work, by integrating a biocompatible condensation reaction with an AIE fluorogen, we rationally designed a "smart" dual AIE probe Ac-Arg-Val-Arg-Arg-Cys(StBu)-Lys(TPE)-CBT (1) for enhanced fluorescence sensing furin activity in vitro and in living cells. Compared with the single AIE probe Ac-Arg-Val-Arg-Arg-Lys(TPE)-OH (1-Ctrl) which also subjects to furin cleavage, fluorescence emissions of 1 were additionally enhanced 1.7 fold and 3.4 fold in vitro and in living cells, respectively. We envision that, in the near future, our "smart" strategy of enzyme-instructed dual AIE could be widely applied for sensing (or imaging) enzyme activity in vitro and even in vivo with dramatically enhanced sensitivity.
Author Liang, Gaolin
Liu, Xiaomei
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BackLink https://www.ncbi.nlm.nih.gov/pubmed/28000813$$D View this record in MEDLINE/PubMed
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Snippet The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing “smart” strategies to effectively...
The aggregation-induced emission (AIE) effect has recently been widely applied for biomarker sensing. But developing "smart" strategies to effectively...
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crossref
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StartPage 1037
SubjectTerms Biomarkers
Cell Survival
Cells (biology)
chemical compounds
Condensation
condensation reactions
Detection
Emission
emissions
enzyme activity
Fluorescence
Fluorescent Dyes - chemistry
Furin - analysis
Furin - metabolism
Humans
image analysis
In Vitro Techniques
In vitro testing
Molecular Structure
Optical Imaging
Strategy
Tumor Cells, Cultured
Title Dual aggregation-induced emission for enhanced fluorescence sensing of furin activity in vitro and in living cells
URI https://www.ncbi.nlm.nih.gov/pubmed/28000813
https://www.proquest.com/docview/1851295723
https://www.proquest.com/docview/1879991410
https://www.proquest.com/docview/2271814848
Volume 53
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linkProvider Royal Society of Chemistry
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