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LAG3/CHO
| CBP74052 | |
| I. Background | |
| Lymphocyte-activation gene 3 (LAG3, CD223) is a cell surface protein that belongs to immunoglobulin (Ig) superfamily. LAG3 is expressed on activated T cells, natural killer cells, B cells, and plasmacytoid dendritic cells. Its main ligand is MHC class II, to which it binds with higher affinity than CD4. It negatively regulates cellular proliferation, activation, and homeostasis of T cells, in a similar fashion to CTLA-4 and PD-1, and has been reported to play a role in Treg suppressive function. A number of LAG3 antibodies are in preclinical development for treatments for cancer and autoimmune disorders. LAG3 may be a better immune checkpoint inhibitor target than CTLA-4 or PD-1 since antibodies to these two checkpoints are only activating effector T cells, and not inhibiting Treg activity where an antagonist LAG3 antibody can both activate effector T cells (by downregulating the LAG3 inhibiting signal) and inhibit induced (i.e. antigen-specific) Treg suppressive activity. | |
| II. Description | |
| Recombinant CHO cells constitutively expressing human LAG3 (lymphocyte-activation gene 3, CD223, GenBank Accession # NM_002286). | |
| III. Introduction | |
| Host Cell: | CHO |
| Expressed gene: | LAG3 |
| 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 |
| Freeze Medium: | 90% FBS+10% DMSO |
| Culture Medium: | F12K+10%FBS+400ug/ml hygromycin |
| 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 Recombinant CHO cells constitutively expressing human LAG3 (lymphocyte-activation gene 3, CD223, GenBank Accession # NM_002286). | |
