| RQP74041 | |
| I. Background | |
| CD40, a TNF receptor superfamily member, was initially identified on B lymphocytes. However, other cell types such as monocytes, basophils, dendritic cells, endothelial cells, and epithelial cells have been found to express CD40. High levels of CD40 have also been detected in numerous human cancers, including HCT116, a colon cancer epithelial cell line. Interaction with CD40 ligand (CD40L, CD154) on CD4+ T helper lymphocytes triggers the expression of intercellular adhesion molecule (ICAM) and other pro-inflammatory cytokines. CD40:CD40L signaling simultaneously increases activation of antigen-specific T cells. CD40 also activates NF-κB-dependent signaling in response to lipopolysaccharide (LPS) found on Gram negative bacterial pathogens. Agonistic CD40 monoclonal antibodies have been shown to activate antigen presenting cells (APC), promote anti-tumor T-cell responses, and to foster cytotoxic myeloid cells, suggesting a potential mechanism to control cancer in the absence of T-cell immunity. | |
| II. Description | |
Recombinant HEK293 cell line expressing full length human CD40 (Tumor necrosis factor receptor superfamily member 5; TNFRSF5), Genbank Accession No. NP_001241.1. | |
| III. Introduction | |
| Host Cell: | HEK293 |
| Expressed gene: | CD40 |
| 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: | DMEM +10%FBS+1ug/ml puromycin |
| 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 | |
| |
Figure1. Recombinant HEK293 cell line expressing full length human CD40. | |
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