Prediction of Early Atherosclerotic Plaques Using a Sequence-Activated Fluorescence Probe for the Simultaneous Detection of γ-Glutamyl Transpeptidase and Hypobromous Acid

被引:45
作者
Wang, Hui [1 ]
Zhang, Xiaoting [1 ]
Li, Ping [1 ]
Huang, Fang [1 ]
Xiu, Tiancong [1 ]
Wang, Hongtong [1 ]
Zhang, Wei [1 ]
Zhang, Wen [1 ]
Tang, Bo [1 ,2 ]
机构
[1] Shandong Normal Univ, Collaborat Innovat Ctr Functionalized Probes Chem, Key Lab Mol & Nano Probes, Minist Educ,Coll Chem Chem Engn & Mat Sci,Inst Bio, Jinan 250014, Shandong, Peoples R China
[2] Laoshan Lab, 168 Wenhai Middle Rd, Qingdao 266237, Shandong, Peoples R China
基金
国家重点研发计划; 中国国家自然科学基金; 美国国家科学基金会;
关键词
Atherosclerosis; Dual Locked; Fluorescence Probe; Hypobromous Acid; gamma-Glutamyl Transpeptidase; LOW-DENSITY-LIPOPROTEIN; OXIDATIVE STRESS; CARDIOVASCULAR-DISEASE; COMPUTED-TOMOGRAPHY; REDOX REGULATION; RISK; MYELOPEROXIDASE; INFLAMMATION; ANGIOGRAPHY; CELLS;
D O I
10.1002/anie.202315861
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Atherosclerosis is a lipoprotein-driven disease, and there is no effective therapy to reverse atherosclerosis or existing plaques. Therefore, it is urgently necessary to create a noninvasive and reliable approach for early atherosclerosis detection to prevent initial plaque formation. Atherosclerosis is intimately associated with inflammation, which is accompanied by an excess of reactive oxygen species (ROS), leading to cells requiring more glutathione (GSH) to resist severe oxidative stress. Therefore, the GSH-hydrolyzed protein gamma-glutamyl transpeptidase (GGT) and the ROS-hypobromous acid (HBrO) are potential biomarkers for predicting atherogenesis. Hence, to avoid false-positive diagnoses caused by a single biomarker, we constructed an ingenious sequence-activated double-locked TP fluorescent probe, C-HBrO-GGT, in which two sequential triggers of GGT and HBrO are meticulously designed to ensure that the probe fluoresces in response to HBrO only after GGT hydrolyzes the probe. By utilization of C-HBrO-GGT, the voltage-gated chloride channel (CLC-1)-HBrO-catalase (CAT)-GGT signaling pathway was confirmed in cellular level. Notably, the forthcoming atherosclerotic plaques were successfully predicted before the plaques could be observed via the naked eye or classical immunofluorescent staining. Collectively, this research proposed a powerful tool to indicate the precise position of mature plaques and provide early warning of atherosclerotic plaques.
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页数:10
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