A.PD-Ll抗体和PD-1抗体具有肿瘤免疫治疗作用 |
B.PD-L1蛋白可使肿瘤细胞逃脱T细胞的细胞免疫 |
C.PD-L1与PD-1的结合增强T细胞的肿瘤杀伤功能 |
D.若敲除肿瘤细胞PD-L1基因,可降低该细胞的免疫逃逸 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2