Deciphering glycan linkages involved in Jurkat cell interactions with gold-coated nanofibers via sugar-displayed thiols.

Deciphering glycan linkages involved in Jurkat cell interactions with gold-coated nanofibers via sugar-displayed thiols.
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DOI:
10.1016/j.bmcl.2011.05.044
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发表时间:
2011-09-01
影响因子:
2.7
通讯作者:
Yarema, Kevin J.
Yarema, Kevin J.
中科院分区:
医学4区
文献类型:
--
作者:
Du, Jian;Che, Pao-Lin;Aich, Udayanath;Tan, Elaine;Kim, Hyo Jun;Sampathkumar, Srinivasa-Gopalan;Yarema, Kevin J.

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代谢寡糖工程(莫伊)提供了一种将新的化学官能团安装到活细胞的糖萼中的方法。在本文中,我们使用这种技术来比较取代天然唾液酸,GalNAc和GlcNAc与Jurkat和HL-60细胞中的巯基对应物的影响。当在金包被的纳米纤维存在下孵育时,只有与Ac 5 ManNTGc孵育的Jurkat细胞-一种将硫醇安装到唾液酸糖苷中的类似物-经历了独特的“扩散”形态。Ac 5 ManNTGc与Ac 5GalNTGc和Ac 5GlcNTGc在两个细胞系中的比较暗示N-连接聚糖的唾液酸糖苷作为Jurkat系中诱发的不寻常反应的关键分子介体。
Metabolic oligosaccharide engineering (MOE) provides a method to install novel chemical functional groups into the glycocalyx of living cells. In this paper we use this technology to compare the impact of replacing natural sialic acid, GalNAc, and GlcNAc with their thiol-bearing counterparts in Jurkat and HL-60 cells. When incubated in the presence of gold-coated nanofibers, only Jurkat cells incubated with Ac5ManNTGc – an analogue that installs thiols into sialosides – experienced a distinctive “spreading” morphology. The comparison of Ac5ManNTGc with Ac5GalNTGc and Ac5GlcNTGc in the two cell lines implicated sialosides of N-linked glycans as critical molecular mediators of the unusual responses evoked in the Jurkat line.
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发表时间: 2009-04-23
影响因子: 7.3
作者:
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