Rational Design and Synthesis of Optimized Glycoclusters for Multivalent Lectin-Carbohydrate Interactions: Influence of the Linker Arm
作者:Samy Cecioni、Jean-Pierre Praly、Susan E. Matthews、Michaela Wimmerová、Anne Imberty、Sébastien Vidal
DOI:10.1002/chem.201200010
日期:2012.5.14
The design of multivalentglycoclusters requires the conjugation of biologically relevant carbohydrate epitopes functionalized with linker arms to multivalent core scaffolds. The multigram‐scale syntheses of three structurally modified triethyleneglycol analogues that incorporate amide moiety(ies) and/or a phenyl ring offer convenient access to a series of carbohydrate probes with different water solubilities
多价糖簇的设计需要将通过连接臂功能化的生物学相关的碳水化合物表位缀合到多价核心支架上。结合酰胺部分和/或苯环的三种结构修饰的三乙二醇类似物的数克级合成,可方便地获得一系列具有不同水溶性和刚性的碳水化合物探针。通过构象分析进行灵活性的评估和优选构象的确定。叠氮基官能化碳水化合物与四炔丙基化核心支架的偶联,通过Cu I高产量提供了一个包含18个四价糖簇的文库催化的叠氮化物-炔烃环加成反应(CuAAC)。评估了这些化合物与PA‐IL(来自机会性病原体铜绿假单胞菌的LecA凝集素)结合的能力。通过抑制血凝测定(HIA),酶联凝集素测定(ELLA),表面等离振子共振(SPR)和等温滴定微量量热法(ITC)进行生化评估,发现其中一种单价探针的亲和力得到了改善和前所未有的提高(K d = 5.8 μ中号),并且还为一个数字,提供这种四聚体凝集素几个新的配位体纳摩尔四价化合物。
Adaptable synthesis of C-lactosyl glycoclusters and their binding properties with galectin-3
作者:Wang Yao、Meng-jie Xia、Xiang-bao Meng、Qing Li、Zhong-jun Li
DOI:10.1039/c4ob01374c
日期:——
The synthesis of mono- to tetravalent C-β-lactosyl glycoclusters has been achieved in good yield. The KD values of glycoclusters against galectin-3 were tested by SPR assay, and the structure–activity relationship has been summarized in detail.
An enantiopure α-D-glucopyranoside derivative has been used as a platform to prepare artificial antenna systems based on bodipy subunits. Efficient and ultrafast energy transfer (in the fs and ps time regimes) takes place in the multibodipy systems.
Multivalency To Inhibit and Discriminate Hexosaminidases
作者:Dimitri Alvarez-Dorta、Dustin T. King、Thibaut Legigan、Daisuke Ide、Isao Adachi、David Deniaud、Jérôme Désiré、Atsushi Kato、David Vocadlo、Sébastien G. Gouin、Yves Blériot
DOI:10.1002/chem.201701756
日期:2017.7.6
cyclodextrin scaffolds was prepared. The compounds were assessed against plant, mammalian, and therapeutically relevant hexosaminidases. Multimerization was shown to improve the inhibitory potency with synergy, and to fine tune the selectivity profile between related hexosaminidases.