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CD48

CD48(又稱BLAST-1或SLAMF2)為糖基磷脂酰肌醇(GPI)連接的免疫球蛋白超家族成員。CD48作為一個免疫共刺激分子和黏附分子,參與免疫性疾病的調控。人CD48基因定位于染色體1q21-23,其編碼產物為一種糖蛋白,分子量約為45kD。CD48表達于NK細胞、T細胞、單核細胞和嗜堿性粒細胞表面,參與這些細胞的粘附和活化途徑。CD48表達在炎性條件下會增加。研究發現當IFN-α、IFN-β、IFN-γ等細胞因子暴露時,可增加人外周血單核細胞CD48的表達。CD48的配體主要有CD2,CD244,FimH。CD48與多種配體結合,它的激活會引起脂質筏中信號因子的重新排列、Lck激酶的活性以及酪氨酸磷酸化,從而發揮不同的免疫功能。大量研究表明,CD48在B和T淋巴細胞、NK細胞、肥大細胞和嗜酸性粒細胞中參與免疫調節機制,在自身免疫、炎癥、過敏、造血以及腫瘤中的發揮重要的作用。

Recombinant Human CD48 活性蛋白實驗驗證數據

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)