Mfg Part Number
Ab01685-3.0
Vector Labs Ab01685-3.0 Anti-CD40 [chi220], Mouse IgG2b, kappa (200 μg)
Quick Overview
This antibody was generated by immunizing female BALB/c mice with a fusion protein containing extracellular domain of human CD40 fused to the hinge CH2 and CH3 domains of a murine IgG2b antibody.
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| Product Class: | Purified |
|---|---|
| Clone ID: | chi220 |
| Synonyms: | TNFSF5; CDw40; TRAP; p50; Bp50; CD40L receptor; Tumor necrosis factor ligand superfamily member 5; B-cell surface antigen CD40; T-cell antigen Gp39; TNF-related activation protein. |
| Amount: | 200 μg |
| Application Codes Clone: | Block; Therapeutic |
| Shipping Temperature: | Wet Ice |
| Buffer Composition: | PBS with 0.02% Proclin 300. |
| Original Format: | IgG2a |
| Storage Temperature: | Store at 4⁰C for up to 3 months. For longer storage, aliquot and store at -20⁰C. |
| Chimeric Use Statement: | This reformatted mouse antibody was made using the variable domain sequences of the original Mouse IgG2a format, for improved compatibility with existing reagents, assays and techniques. |
| Specificity Statement: | This antibody binds the CD40 and blocks the humoral immune responses to T cell dependent antigens in a dose dependent manner. |
| Application Notes: | This antibody blocks the interaction between CD40 and gp39. Chi220 was used either alone or in combination with CTLA4-Ig in an immunosuppresive therapy study to check the survival of renal allografts in non human primate models (PMID: 12394833). Chi220 blocks binding of CD154, it also has partial agonist properties and weak stimulatory potential. It synergisticaly works with LEA29Y (belatacept) to prolong the islet allograft survival in a non-human primate Macaca fascicularis (PMID: 15611281). A study on protection of islets xenographs in diabetic macaques used a combination of Chi220 with IL-2 receptor specific antibody Basiliximab for immunosuppression with induction therapy. Chi220 is used as an sCD154 blocking agent and it was seen that it binds sCD154 in a dose dependant manner (PMID: 21920020). Two humanized versions of this antibody were generated F4 and L3.17, also showed similar properties. Humanized versions of this antibody are available on request. |
| Brand | Vector Labs |
|---|---|
| UNSPSC | 12161500 |