ICOSL/CHO
CBP74068
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产品数据库
| 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 | |
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ICOSL CHO 细胞,在 CHO-K1 细胞的基础上,稳定表达人 ICOSL。 |
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| III. Introduction | |
| Host Cell: | CHO |
| Expressed gene: | ICOSL |
| 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: | F12k+10%FBS+500μg/ml Hygromycin B |
| Mycoplasma Testing: | Negative |
| Storage: | Liquid nitrogen |
| Application(s): | Binding Assay,FACS |
| IV. Description of Host Cell Line | |
| Organism: | Cricetulus griseus, hamster, Chinese |
| Tissue: | Ovary |
| Disease: | Hamster Chinese ovary |
| Morphology: | Epitheloid cell |
| Growth Properties: | Adherent |
| Ⅴ. Representative Data | |
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Figure 1.Recombinant ICOSL/CHO constitutively expressing ICOSL. |
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