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CD48

CD48(又称BLAST-1或SLAMF2)为糖基磷脂酰肌醇(GPI)连接的免疫球蛋白超家族成员。CD48作为一个免疫共刺激分子和黏附分子,参与免疫性疾病的调控。人CD48基因定位于染色体1q21-23,其编码产物为一种糖蛋白,分子量约为45kD。CD48表达于NK细胞、T细胞、单核细胞和嗜碱性粒细胞表面,参与这些细胞的粘附和活化途径。CD48表达在炎性条件下会增加。研究发现当IFN-α、IFN-β、IFN-γ等细胞因子暴露时,可增加人外周血单核细胞CD48的表达。CD48的配体主要有CD2,CD244,FimH。CD48与多种配体结合,它的激活会引起脂质筏中信号因子的重新排列、Lck激酶的活性以及酪氨酸磷酸化,从而发挥不同的免疫功能。大量研究表明,CD48在B和T淋巴细胞、NK细胞、肥大细胞和嗜酸性粒细胞中参与免疫调节机制,在自身免疫、炎症、过敏、造血以及肿瘤中的发挥重要的作用。

Recombinant Human CD48 活性蛋白实验验证数据

High Purity Validated by SDS-PAGE

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

Excellent Bioactivity Validated by Functional ELISA

Measured by its binding ability in a functional ELISA. Immobilized CD48 at 2 μg/ml can bind Anti-CD48 rabbit monoclonal antibody, the EC50 of human CD48 protein is 0.5806-0.8463 ng/ml.

CD48 Antibodies

CD48 for Homo sapiens (Human)

CD48 Proteins

CD48 Proteins for Rattus norvegicus (Rat)

CD48 Proteins for Mus musculus (Mouse)

CD48 Proteins for Homo sapiens (Human)

CD48 ELISA Kit

CD48 ELISA Kit for Mus musculus (Mouse)