ICOS Effector Reporter Cell
CBP74491
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| I. Background | |
| ICOS 是一种在 T 细胞活化后才被诱导表达的共刺激受体,而 ICOSL 是其配体,主要 组成性表达于 B 细胞和抗原呈递细胞表面。两者的核心作用机理在于,当活化的 T 细胞 (特别是滤泡辅助性 T 细胞)迁移至淋巴滤泡并与 B 细胞相遇时,ICOS 与 ICOSL 的结合 为 T 细胞提供了关键的共刺激信号,这主要通过激活 PI3K 等下游通路,驱动 T 细胞增殖、 存活及产生细胞因子(如 IL-21),从而精确调控生发中心反应,最终促进 B 细胞进行抗 体亲和力成熟与类别转换,产生高效体液免疫。 | |
| II. Description | |
ICOS Effector Reporter Cell 报告基因药靶模型很好的模拟了体内 ICOS 的信号转导过程, 原理见下图所示。![]() Figure 1. ICOS Effector Reporter Cell 细胞模型原理图 |
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| III. Introduction | |
| Expressed gene: | ICOS |
| Stability: | 32 passages (in-house test, that not means the cell line will be instable beyond the passages we tested.) |
| Freeze Medium: | 90% FBS+10% DMSO |
| Culture Medium: | RPMI-1640 + 10%FBS + 800 μg/ml Hygromycin B+10 μg/ml Blasticidin |
| Mycoplasma Testing: | Negative |
| Storage: | Liquid nitrogen |
| Application(s): | Functional(Report Gene) Assay |
| IV. Representative Data | |
![]() Figure 2. Recombinant ICOS Effector Reporter Cell stably expressing ICOS. ![]() Figure 3. Dose Response of ICOS Agonist Abs in ICOS Effector Reporter Cell(C3) with FCGR2B TCR Activitor CHO(C18).
![]() Figure 4. Blocking of ICOSL induced ICOS Effector Reporter Cell(C3) Activity by ICOSL Blocking Ab with ICOSL aAPC CHO. |
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