- 5C3 (See other available formats)
- Regulatory Status
- V CD40.4
- Other Names
- BP50, TNFRSF5
- Mouse IgG1, κ
- Ave. Rating
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- Product Citations
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CD40 is a 48 kD type I glycoprotein also known as BP50. It is a member of the TNFR superfamily primarily expressed on B cells, macrophages, follicular dendritic cells, endothelial cells, fibroblasts, and at low levels on plasma cells. CD40 has been reported to be involved in B cell differentiation, costimulation, isotype class-switching, and protection of B cells from apoptosis. Additionally, CD40 is important for T cell-B cell interactions. The ligand of CD40 is CD154 (CD40 ligand). The 5C3 antibody has been reported to promote B cell proliferation in the presence of anti-IgM, IL-4 or PMA, partially blocking CD40 binding to CD40L, and B cells rescue from apoptosis.Product Details
- Human, Cross-Reactivity: Baboon, Chimpanzee, Cynomolgus Monkey, Rhesus, Squirrel Monkey
- Antibody Type
- Host Species
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and 0.2% (w/v) BSA (origin USA).
- The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 488 under optimal conditions.
- Lot-specific (please contact technical support for concentration and total µg amount, or use our Lookup tool if you have a lot number.)
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
FC - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.
* Alexa Fluor® 488 has a maximum emission of 519 nm when it is excited at 488 nm.
Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.
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- Excitation Laser
Blue Laser (488 nm)
- Application Notes
Additional reported applications (for the relevant formats) include: costimulation of B cell proliferation1, partial inhibition of CD40 binding to CD40L3, and B cell rescue from apoptosis1. The LEAF™ purified antibody (Endotoxin <0.1 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays.
- Application References
- Schlossman SF, et al. 1995. ed. Leukocyte Typing V:White Cell Differentiation Antigens. New York:Oxford University Press.
- Yoshino N, et al. 2000. Exp. Anim. (Tokyo) 49:97. (FC)
- Pound JD, et al. 1999. Int. Immunol. 11:11.
- Shey MS, et al. 2014. J Immunol. 192:4833. PubMed
- Sondergaard JN, et al. 2014. Mol Immunol. 59:180. PubMed
- Saiki O, et al. 1995. J Clin. Invest. 2: 510-4 (Costim)
- Product Citations
AB_1501188 (BioLegend Cat. No. 334318)
- TNFR superfamily, type I glycoprotein, 48 kD
B cells, macrophages, follicular dendritic cells, endothelial cells, fibroblasts
- B cell differentiation, costimulation, isotype class-switching, rescues B cells from apoptosis
- CD154 (CD40 ligand)
- Cell Type
- B cells, Dendritic cells, Endothelial cells, Fibroblasts, Macrophages
- Biology Area
- Cell Biology, Costimulatory Molecules, Immunology, Neuroscience, Neuroscience Cell Markers
- Molecular Family
- CD Molecules
- Antigen References
1. Banchereau J, et al. 1994. Annu. Rev. Immunol. 12:881.
2. Foy T, et al. 1996. Annu. Rev. Immunol. 14:591.
- Gene ID
- 958 View all products for this Gene ID
- View information about CD40 on UniProt.org
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