Engineering a Reversible Fluorescent Probe for Real-Time Live-Cell Imaging and Quantification of Mitochondrial ATP
Real-time imaging and quantification of adenosine triphosphate (ATP) fluctuation in cells are significant for understanding the relationship between energy metabolism and cell functions. However, few synthetic fluorescent probes have been reported to tackle this challenge due to lack of accurate fluorescence readout and suitable response concentration. Herein we designed and synthesized a ratiometric fluorescent probe (Rh6G-ACFPN) for quantitatively detecting the fluctuation of mitochondrial ATP in living cells. Rh6G-ACFPN selectively and reversibly responds to ATP with an ideal dissociation constant (Kd) of 4.65 mM (3-10 mM: the range of mitochondrial ATP concentrations). Live-cell imaging allows us to directly monitor the dynamic changes of mitochondrial ATP in high temporal resolution. Moreover, for the first time, mitochondrial ATP in normal and cancer cells lines was successfully quantified and discriminated. These results demonstrate the versatility of Rh6G-ACFPN as a useful imaging tool to elucidate the function of mitochondrial ATP in living cells.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:92 |
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| Enthalten in: |
Analytical chemistry - 92(2020), 6 vom: 17. März, Seite 4681-4688 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ren, Tian-Bing [VerfasserIn] |
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| Links: |
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| Themen: |
8L70Q75FXE |
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| Anmerkungen: |
Date Completed 25.01.2021 Date Revised 25.01.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.analchem.0c00506 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM306909448 |
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| 520 | |a Real-time imaging and quantification of adenosine triphosphate (ATP) fluctuation in cells are significant for understanding the relationship between energy metabolism and cell functions. However, few synthetic fluorescent probes have been reported to tackle this challenge due to lack of accurate fluorescence readout and suitable response concentration. Herein we designed and synthesized a ratiometric fluorescent probe (Rh6G-ACFPN) for quantitatively detecting the fluctuation of mitochondrial ATP in living cells. Rh6G-ACFPN selectively and reversibly responds to ATP with an ideal dissociation constant (Kd) of 4.65 mM (3-10 mM: the range of mitochondrial ATP concentrations). Live-cell imaging allows us to directly monitor the dynamic changes of mitochondrial ATP in high temporal resolution. Moreover, for the first time, mitochondrial ATP in normal and cancer cells lines was successfully quantified and discriminated. These results demonstrate the versatility of Rh6G-ACFPN as a useful imaging tool to elucidate the function of mitochondrial ATP in living cells | ||
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