Second generation of fucose-based DC-SIGN ligands : affinity improvement and specificity versus Langerin
作者:Manuel Andreini、Daniela Doknic、Ieva Sutkeviciute、José J. Reina、Janxin Duan、Eric Chabrol、Michel Thepaut、Elisabetta Moroni、Fabio Doro、Laura Belvisi、Joerg Weiser、Javier Rojo、Franck Fieschi、Anna Bernardi
DOI:10.1039/c1ob05573a
日期:——
DC-SIGN and Langerin are two C-type lectins involved in the initial steps of HIV infections: the former acts as a viral attachment factor and facilitates viral invasion of the immune system, the latter has a protective effect. Potential antiviral compounds targeted against DC-SIGN were synthesized using a common fucosylamide anchor. Their DC-SIGN affinity was tested by SPR and found to be similar to that of the natural ligand Lewis-X (LeX). The compounds were also found to be selective for DC-SIGN and to interact only weakly with Langerin. These molecules are potentially useful therapeutic tools against sexually transmitted HIV infection.
DC-SIGN和Langerin是两种C型凝集素,它们参与HIV感染的初始步骤:前者作为病毒附着因子,促进病毒侵入免疫系统,后者具有保护作用。针对DC-SIGN的潜在抗病毒化合物采用共同的岩藻糖基酰胺锚合成。通过表面等离子体共振(SPR)测试它们的DC-SIGN亲和力,发现其与天然配体Lewis-X(LeX)相似。这些化合物还被发现对DC-SIGN具有选择性,并且与Langerin仅弱相互作用。这些分子可能成为治疗性传播HIV感染的有用工具。