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Updated: Oct 9, 2025
In Vivo Imaging of Reactive Oxygen Species in a Murine Wound Model
Published on: November 17, 2018
Light-Triggered Fluorescence Self-Reporting Nitric Oxide Release from Coumarin Analogues for Accelerating Wound
Yue Xu1, Hua Li1, Shufen Xu2,3
1Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, 24 Tongjia Lane, Gulou District, Nanjing 210009, China.
Abstract:
Nitric oxide (NO) has an important class of endogenous diatomic molecules that play a key regulatory role in many physiological and biochemical processes. However, the type of nitrosamine NO donor stimulated by light has many advantages compared to the conventional NO donors such as diazeniumdiolates and S-nitrosothiols compounds, including easy synthesis, good stability, and controllable release. In addition, NO release can be regulated by light induction with a built-in calibration mechanism fluorescence. Here, we report that the migration and proliferation of human umbilical vein vascular endothelial cells could be accelerated by the light-triggered NO donors, leading to the angiogenesis. Meanwhile, the screened NO donor 3a with Levofloxacin (Lev) showed synergistic effects to eradicate Methicillin-resistant Staphylococcus aureus (MRSA) biofilms in vitro and treat bacteria-infected wound in vivo.
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