CTLA4/HEK293
CBP74046
                       
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                | I. Background | |
| CTLA4 是一種 T 細胞共受體,也被稱為 CD152。與 CD28 相比,CTLA4 與 B7 家族分 子(包括 CD80 和 CD86)在抗原呈遞細胞(APCs)上具有更強的結合親和力。盡管 CTLA4 與 B7 共刺激受體結合,但它在 T 細胞的活化中起負作用。在 T 細胞受體(TCR) 識別 APC 的主要組織相容性復合體(MHC)呈遞的抗原后,T 細胞的 CD28 與 APC 的 B7 結合,通過阻斷 T 淋巴細胞反應、減少 T 淋巴細胞增殖、抑制 Treg 淋巴細胞活性、減少細 胞因子分泌,導致 T 細胞活化從而抑制免疫反應。 | |
| II. Description | |
| CTLA4 HEK293 細胞,在 HEK293 細胞的基礎上,穩(wěn)定表達人 CTLA4。 | |
| III. Introduction | |
| Host Cell: | HEK293 | 
| Expressed gene: | CTLA4 | 
| Stability: | 32 passages (in-house test, that not means the cell line will be instable beyond the passages we tested.) | 
| Synonym(s): | Cytotoxic T-lymphocyte-associated protein 4, CD152 | 
| Freeze Medium: | 90% FBS+10% DMSO | 
| Culture Medium: | DMEM+10%FBS+100 μg/ml hygromycin | 
| Mycoplasma Testing: | Negative | 
| Storage: | Liquid nitrogen. | 
| Application(s): | Binding Assay,FACS | 
| IV. Description of Host Cell Line | |
| Organism: | Homo sapiens,human | 
| Tissue: | Embryonic kidney | 
| Disease: | Normal | 
| Morphology: | Epitheloid cell | 
| Growth Properties: | Adherent | 
| Ⅴ. Representative Data | |
| 
				 
 Figure 1.Recombinant HEK293 stably expressing human CTLA4.  | 
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