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381.
Dr. Kaiming Cao Dr. Yang Zhu Dr. Zhuanghao Hou Dr. Manman Liu Yanyan Yang Dr. Hongze Hu Prof. Yi Dai Dr. Yu Wang Dr. Siming Yuan Prof. Guangming Huang Dr. Jiaming Mei Prof. Peter J. Sadler Prof. Yangzhong Liu 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2023,135(1):e202215360
The unique thermodynamic and kinetic coordination chemistry of ruthenium allows it to modulate key adverse aggregation and membrane interactions of α-synuclein (α-syn) associated with Parkinson's disease. We show that the low-toxic RuIII complex trans-[ImH][RuCl4(Me2SO)(Im)] (NAMI-A) has dual inhibitory effects on both aggregation and membrane interactions of α-syn with submicromolar affinity, and disassembles pre-formed fibrils. NAMI-A abolishes the cytotoxicity of α-syn towards neuronal cells and mitigates neurodegeneration and motor impairments in a rat model of Parkinson's. Multinuclear NMR and MS analyses show that NAMI-A binds to residues involved in protein aggregation and membrane binding. NMR studies reveal the key steps in pro-drug activation and the effect of activated NAMI-A species on protein folding. Our findings provide a new basis for designing ruthenium complexes which could mitigate α-syn-induced Parkinson's pathology differently from organic agents. 相似文献
382.
Dr. Zhengwei Liu Mengyu Sun Wenting Zhang Prof. Jinsong Ren Prof. Xiaogang Qu 《Angewandte Chemie (International ed. in English)》2023,62(49):e202308396
Bioorthogonal chemistry is a promising toolbox for dissecting biological processes in the native environment. Recently, bioorthogonal reactions have attracted considerable attention in the medical field for treating diseases, since this approach may lead to improved drug efficacy and reduced side effects via in situ drug synthesis. For precise biomedical applications, it is a prerequisite that the reactions should occur in the right locations and on the appropriate therapeutic targets. In this minireview, we highlight the design and development of targeted bioorthogonal reactions for precise medical treatment. First, we compile recent strategies for achieving target-specific bioorthogonal reactions. Further, we emphasize their application for the precise treatment of different therapeutic targets. Finally, a perspective is provided on the challenges and future directions of this emerging field for safe, efficient, and translatable disease treatment. 相似文献