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编 号:F761039
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1mg
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5mg
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生物活性:
Teplizumab (MGA-031) is a Fc receptor non-binding anti-human CD3 monoclonal antibody. Teplizumab reduces the loss of beta-cell function. Teplizumab can be used in the research of type 1 diabetes.

体内研究:
Teplizumab (0.24 mg/kg, i.p.) induces migration of human CD4 T cells to the lamina propria and ablated the treatment effects of the drug on graft survival in NSG mice.Animal Model:NOD/SCID IL2γc-/- (NSG) mice (a tolergenic humanized mouse model)
Dosage:0.24 mg/kg, 5 μg
Administration:Intraperitoneal injection (i.p.)
Result:Decreased CD4:CD8 ratio in the peripheral blood from 2.03 to 1.01, p < 0.05.Decreased circulating hCD4 cells in the peripheral blood. Decreased in the proportion of T cells in the bone marrow and lung. Increased in the total number of human CD45+ cells infiltrating the lamina propria of the small intestine.

体外研究:
Teplizumab (10 ng/mL-10 μg/mL, 5 days) induces human CD8+ T-cell proliferation. Teplizumab (6 days) increases the expression of CD25 and intracellular CTLA4 on CD8+ cells (freshly isolated PBMCs).
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