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Metal complex catalysts broaden bioorthogonal reactions

Science China Chemistry 2024年第2期67卷 428-449页

作者： Hanjie Zhang Xiaoyu Qin Junping Wang Li Ma Tianfeng Chen Department of Chemistry Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and ApplicationsJinan UniversityGuangzhou510632China

bioorthogonal reactions involving transition metals have diversified applications in imaging,drug development,chemical catalysis and other *** metals used to catalyze the bioorthogonal reaction mainly include ruthenium,palladium,copper,and ***,the great potential for translational applications of bioorthogonal reaction needs to be further expanded and their reaction efficiency should be ***,it is an urgent need for the development of this field to find more suitable catalysts to efficiently catalyze existing biological orthogonal reactions and expand the types of biological orthogonal ***,this review not only summarizes those transition metal complexes-based catalysts participating in bioorthogonal reaction and some bioorthogonal reactions involving transition metals inside the cells,but also sheds light into the discovery of new transition metal complexes and their future development in applications.

关键词： transition metal complexes bioorthogonal reactions biological applications

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Precise assembly of inside-out cell membrane camouflaged nanoparticles via bioorthogonal reactions for improving drug leads capturing

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Acta Pharmaceutica Sinica B 2023年第2期13卷 852-862页

作者： Xiaolin Zhang Xueyan Zhen Yixuan Yang Quan Feng Wanqing Yuan Xiaoyu Xie School of Pharmacy Health Science CenterXi'an Jiaotong UniversityXi'an 710061China Shaanxi Engineering Research Center of Cardiovascular Drugs Screening&Analysis Xi'an 710061China

Cell membrane camouflaged nanoparticles have been widely used in the field of drug leads discovery attribute to their unique biointerface targeting ***,random orientation of cell membrane coating does not guarantee effective and appropriate binding of drugs to specific sites,especially when applied to intracellular regions of transmembrane *** reactions have been rapidly developed as a specific and reliable method for cell membrane functionalization without disturbing living ***,inside-out cell membrane camouflaged magnetic nanoparticles(IOCMMNPs)were accurately constructed via bioorthogonal reactions to screen small molecule inhibitors targeting intracellular tyrosine kinase domain of vascular endothelial growth factor *** functionalized cell membrane acted as a platform for specific covalently coupling with alkynyl functionalized magnetic Fe_(3)O_(4)nanoparticles to prepare *** inside-out orientation of cell membrane was successfully verified by immunogold staining and sialic acid quantification ***,two compounds,senkyunolide A and ligustilidel,were successfully captured,and their potential antiproliferative activities were further testified by pharmacological *** is anticipated that the proposed inside-out cell membrane coating strategy endows tremendous versatility for engineering cell membrane camouflaged nanoparticles and promotes the development of drug leads discovery platforms.

关键词： Cell membrane camouflaged nanoparticles Inside-out cell membrane coating bioorthogonal reactions Drug leads discovery Traditional Chinese medicine Magnetic nanoparticles Precise assembly Alkynyl functionalization

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A biocompatible Horner-Wadsworth-Emmons(HWE)reaction triggered by a bioorthogonal proximity-induced platform

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Chinese Chemical Letters 2024年第8期35卷 217-220页

作者： Yayue Wang Haojie Yang Jie Li Qiao Kong Siming Zhou Hongbao Sun Lili Pan Qiyong Gong Ping Feng Haoxing Wu Department of Radiology and Huaxi MR Research Center(HMRRC) Functional and Molecular Imaging Key Laboratory of Sichuan ProvinceFrontiers Science Center for Disease Related Molecular NetworkWest China HospitalSichuan UniversityChengdu 610041China Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province Sichuan UniversityChengdu 610041China Department of Nuclear Medicine Laboratory of Clinical Nuclear MedicineWest China HospitalSichuan UniversityChengdu 610041China Reseacrch Unit of Psychoradiology Chinese Academy of Medical SciencesChengdu 610041China Department of Pharmacy West China HospitalSichuan UniversityChengdu 610041China Clinical Trial Center and National Medical Products Administration Key Laboratory for Clinical Research and Evaluation of Innovative Drugs West China HospitalSichuan UniversityChengdu 610041China

Here,we present a novel bioorthogonal platform that enables precise positioning of attached moieties in close proximity,thereby facilitating the discovery and optimization of biocompatible *** this platform,we achieve a Horner-Wadsworth-Emmons(HWE)reaction under physiological conditions,generating a fluorophore in situ with a yield of up to 93%.This proximity platform should facilitate the discovery of various types of biocompatible reactions,making it a versatile tool for biomedical applica-tions.

关键词： Biocompatible reactions Horner-Wadsworth-Emmons reaction bioorthogonal reactions Tetrazines Proximity effects

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A bioorthogonal Post-modification of N^(6)-Isopentenyl Adenosine i^(6) A RNA in Live Cells

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CCS Chemistry 2024年第9期6卷 2241-2253页

作者： Li-Jun Xie Hou-Ping Cheng Meng-Yuan Chen Xin Wang Li Liu Bi-Feng Yuan Liang Cheng Beijing National Laboratory for Molecular Sciences(BNLMS) CAS Key Laboratory of Molecular Recognition and FunctionCAS Research/Education Center for Excellence in Molecular Sciences Institute of ChemistryChinese Academy of SciencesBeijing 100190 School of Public Health Wuhan UniversityWuhan 430071 University of Chinese Academy of Sciences Beijing 100049

Selective methods for modulating RNA epigenetic modifications within living cells and organisms represent attractive techniques for investigating biological functions and medicinal *** contrast to enzymatic methods,abiotic chemical modulation offers access to diverse new-to-natural *** herein report a visible light-assisted bioorthogonal reaction involving flavin mononucleotide,sodium azide,and blue light *** concert with previous chemical approaches mimicking the demodification pathway,our system functions as a powerful and selective post-modification enzyme that targets N^(6)-prenyl adenosine i^(6) A in RNA and enables the efficient construction of an artificial N^(6)-cyanomethyl adenosine(cnm^(6) A).Notably,most endogenous biomacromolecular functions,including other common RNA epigenetics,remained ***,we have successfully modified i^(6) A in tRNA to cnm^(6) A in human cells and establish this system as a bona fide bioorthogonal reaction with potential applications in chemical biology and in-cell modulation.

关键词： chemical post-modification bioorthogonal reactions RNA modifications N^(6)-isopentenyl adenosine N^(6)-cyanomethyl adenosine

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