Bioluminescence Imaging of Urokinase-Type Plasminogen Activator Activity in Vitro and in Tumors

Urokinase-type plasminogen activator (uPA) is a cell-secreted serine protease and plays a significant role in numerous biological processes. Overexpression of uPA has been proved to be relevant to some malignant tumors as well as poor prognosis. However, bioluminescence (BL) probes for selectively s...

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Published inAnalytical chemistry (Washington) Vol. 93; no. 29; pp. 9970 - 9973
Main Authors Chen, Yinglu, Wu, Chengfan, Wang, Chenchen, Zhang, Tong, Hua, Yue, Shen, Yang, Liang, Gaolin
Format Journal Article
LanguageEnglish
Published Washington American Chemical Society 27.07.2021
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ISSN0003-2700
1520-6882
1520-6882
DOI10.1021/acs.analchem.1c02499

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Abstract Urokinase-type plasminogen activator (uPA) is a cell-secreted serine protease and plays a significant role in numerous biological processes. Overexpression of uPA has been proved to be relevant to some malignant tumors as well as poor prognosis. However, bioluminescence (BL) probes for selectively sensing uPA activity have not been reported up to now. Herein, we designed a BL probe, GGR-AmLuc, to detect uPA in vitro and sense uPA both inside cells and in tumors. In vitro studies demonstrated that GGR-AmLuc was able to selectively detect uPA with a limit of detection (LOD) of 1.37 μg/L. Moreover, GGR-AmLuc was successfully applied to image uPA in living subjects with excellent sensitivity. We anticipate that probe GGR-AmLuc could be applied for highly sensitive diagnosis of cancers overexpressing uPA and provide guidance for cancer treatment in the near future.
AbstractList Urokinase-type plasminogen activator (uPA) is a cell-secreted serine protease and plays a significant role in numerous biological processes. Overexpression of uPA has been proved to be relevant to some malignant tumors as well as poor prognosis. However, bioluminescence (BL) probes for selectively sensing uPA activity have not been reported up to now. Herein, we designed a BL probe, GGR-AmLuc, to detect uPA in vitro and sense uPA both inside cells and in tumors. In vitro studies demonstrated that GGR-AmLuc was able to selectively detect uPA with a limit of detection (LOD) of 1.37 μg/L. Moreover, GGR-AmLuc was successfully applied to image uPA in living subjects with excellent sensitivity. We anticipate that probe GGR-AmLuc could be applied for highly sensitive diagnosis of cancers overexpressing uPA and provide guidance for cancer treatment in the near future.
Urokinase-type plasminogen activator (uPA) is a cell-secreted serine protease and plays a significant role in numerous biological processes. Overexpression of uPA has been proved to be relevant to some malignant tumors as well as poor prognosis. However, bioluminescence (BL) probes for selectively sensing uPA activity have not been reported up to now. Herein, we designed a BL probe, GGR-AmLuc, to detect uPA in vitro and sense uPA both inside cells and in tumors. In vitro studies demonstrated that GGR-AmLuc was able to selectively detect uPA with a limit of detection (LOD) of 1.37 μg/L. Moreover, GGR-AmLuc was successfully applied to image uPA in living subjects with excellent sensitivity. We anticipate that probe GGR-AmLuc could be applied for highly sensitive diagnosis of cancers overexpressing uPA and provide guidance for cancer treatment in the near future.Urokinase-type plasminogen activator (uPA) is a cell-secreted serine protease and plays a significant role in numerous biological processes. Overexpression of uPA has been proved to be relevant to some malignant tumors as well as poor prognosis. However, bioluminescence (BL) probes for selectively sensing uPA activity have not been reported up to now. Herein, we designed a BL probe, GGR-AmLuc, to detect uPA in vitro and sense uPA both inside cells and in tumors. In vitro studies demonstrated that GGR-AmLuc was able to selectively detect uPA with a limit of detection (LOD) of 1.37 μg/L. Moreover, GGR-AmLuc was successfully applied to image uPA in living subjects with excellent sensitivity. We anticipate that probe GGR-AmLuc could be applied for highly sensitive diagnosis of cancers overexpressing uPA and provide guidance for cancer treatment in the near future.
Author Shen, Yang
Liang, Gaolin
Chen, Yinglu
Zhang, Tong
Wang, Chenchen
Wu, Chengfan
Hua, Yue
AuthorAffiliation Southeast University
School of Life Sciences
Hefei National Laboratory of Physical Sciences at Microscale, Department of Chemistry
Department of Obstetrics and Gynaecology, Zhongda Hospital, School of Medicine
State Key Laboratory of Bioelectronics, School of Biological Sciences and Medical Engineering
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– name: Department of Obstetrics and Gynaecology, Zhongda Hospital, School of Medicine
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Snippet Urokinase-type plasminogen activator (uPA) is a cell-secreted serine protease and plays a significant role in numerous biological processes. Overexpression of...
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SubjectTerms Analytical chemistry
Biological activity
Bioluminescence
Cancer
cancer therapy
Chemistry
detection limit
prognosis
Serine
Serine proteinase
Thrombolytic drugs
Tumors
U-Plasminogen activator
Urokinase
Title Bioluminescence Imaging of Urokinase-Type Plasminogen Activator Activity in Vitro and in Tumors
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