期刊
ACS APPLIED MATERIALS & INTERFACES
卷 12, 期 3, 页码 3445-3452出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b19378
关键词
protein; carbon dots; thrombolysis; fluorescence imaging; blood-brain barrier
资金
- National Natural Science Foundation of China (NSFC) [51561145004, 81760227, 21875267, 51773119]
- Natural Science Foundation of Guangdong Province [2017A030313568, 2019A1515010311, 2019A1515011750]
- Guangdong Medical Science and Technology Research Fund [A2019417]
- Shenzhen Science and Technology Innovation Commission [JCYJ20180507183036060, JCYJ20170817171930009, GJHZ20180416164817264]
- Guangdong Innovation Platform of Translational Research for Cerebrovascular Diseases
For effective treatment of ischemic cerebral thrombosis, it is of great significance to find a facile way in assessing the early damage of blood- brain barrier (BBB) after ischemic stroke during thrombolysis by integrating thrombolytic agents with fluorescent materials. Herein, a novel type of protein- carbon dot nanohybrids is reported by the incorporation of carbon dots on thrombolytic agents through covalent linkage. Both in vitro and ex vivo fluorescence imaging measurements have demonstrated remarkable imaging effects in the brain of transient middle cerebral artery occlusion mice. Besides, the outstanding thrombolytic capacity of the nanohybrids was determined by in vitro thrombolysis tests. As one of the few reports of the construction of thrombolytic agents and fluorescent nanomaterials, the nanohybrids retain thrombolysis ability and fluorescent traceability simultaneously. It may provide a promising indicator for early BBB damage and thrombolytic agent distribution to estimate the possibility of symptomatic intracranial hemorrhage after thrombolysis and supply tissue window evidence for clinical thrombolytic agent application.
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