Synthesis of n-glycan mimetics and their evaluation as c-type lectin receptor (clr) antagonists using microarray technology

Abstract

Carbohydrate microarrays are well established tools for high-throughput analysis of carbohydrate-protein interactions and for screening the specificity of carbohydrate processing enzymes, In addition, a few groups have also explored the on-chip synthesis of ligands. The use of small amounts of substrates and the absence of long purification step make the microarray a time-saving approach for the parallel synthesis of hundred scaffolds.We developed a versatile platform to quickly synthesize significant number of glycomimetics via chemoenzymatic protocols and test them as potential ligands for C-type lectin receptors (CLRs). The transparent and the conductive hydrophobic-ITO surface allows to perform binding studies with labeled lectins by fluorescent spectroscopy as well as to estimate conversion rates of the on-chip reactions for every printed ligand by MALDI-TOF MS.