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Sialyl-Lewis X

CAS No. : 98603-84-0

MCE 站：Sialyl-Lewis X

产品活性：Sialyl-Lewis X (sLeX) 是一种唾液酶酸化的聚四糖，是一种内源性抗原 (antigen)。Sialyl-Lewis X 是选择素 E-、P- 和 L- 的高亲和力配体 (ligand)。Sialyl-Lewis X 与 ELAM-1 和 CD62 结合，具有抑制 CD62 介导的炎症部位中性粒细胞募集的能力。

研究领域：Others

作用靶点：Others

In Vitro: Sialyl-Lewis X is a high-affinity ligand of CD62, Antibodies [mAb CSLEX (IgM; anti-sLeX)] to sLeX inhibit CD62-mediated binding of HL-60 cells to activated platelets.
Liposomes containing glycolipids with the sLeX structure prevents adhesion of HL-60 cells and human neutrophils. HL-60 cell adhesion is partially inhibited (50%) by liposomes containing Lex at 5 μg/ml. However, sLeX liposomes give maximal inhibition at only 1 ug/ml. sLeX liposomes inhibits adhesion with a 10-fold higher affinity than Lex liposomes.
CD62 binding of neutrophils to activated platelets is inhibited a soluble human milk oligosaccharide that contains the LeX structure. the sLeX sugar is a 30-fold more potent inhibitor than the nonsialylated Lex sugar, which requires 2 μg/ml and 54 μg/ml to achieve 50% inhibition of neutrophil adhesion, respectively.

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