LAG3/NFAT-Luc/Jurkat
CBP74060
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I. Background | |
淋巴细胞活化基因 3 (LAG-3),又名 CD223,是一种 I 型跨膜蛋白,属于免疫球蛋白超家族 (IgSF)。LAG-3 蛋白与 CD4 有同源结构,两者的胞外区均具有四个 Ig 样结构域,但 LAG-3 在膜远端 Ig 样结构域内还含有一种额外的环状结构,使其与MHC II的亲和力较CD4高100倍。LAG-3 在活化的 T 细胞、B 细胞、浆细胞样树突状细胞 (DC) 和 NK 细胞上表达。LAG3 可结合 MHC II类 (MHC II)分子外,也可结合纤维蛋白原样蛋白 1(FGL-1)、α-突触核蛋白原纤维 (α-syn) 和凝集素半乳糖凝集素-3 (Gal-3) 以及淋巴结窦内皮细胞 C 型凝集素 (LSECtin) 。 |
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II. Description | |
LAG3 NFAT-Luc Jurkat 报告基因药靶模型很好的模拟了体内 LAG3 的信号转导过程,原理见下图所示。
Figure 1: LAG3 NFAT-Luc Jurkat 细胞模型原理图
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III. Introduction | |
Host Cell: | Jurkat |
Expressed gene: | NFAT-LAG3-Luciferase |
Stability: | 32 passages (in-house test, that not means the cell line will be instable beyond the passages we tested.) |
Synonym(s): | LAG3, LAG-3, CD223, Cell Line, Jurkat |
Freeze Medium: | 90% FBS+10% DMSO |
Culture Medium: | RPMI-1640+10%FBS+1ug/ml puromycin+400ug/ml hygromycin |
Mycoplasma Testing: | Negative |
Storage: | Liquid nitrogen |
Application(s): | Functional(Report Gene) Assay |
IV. Description of Host Cell Line | |
Organism: | Human |
Tissue: | Peripheral blood |
Disease: | Childhood T acute lymphoblastic leukemia |
Morphology: | Lymphoblast |
Growth Properties: | Suspension |
V. Representative Data | |
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Figure 2. Recombinant Jurkat stably expressing human LAG3. |
Figure 3. Detect Luciferase assay by Ultra Luciferase Detection Kit CBPH0001(we strongly suggest to purchase from Cobioer). Dose Response of Anti-LAG3 Neutralizing Antibody in LAG3 NFAT-Luc Jurkat cells.