- MAb11 (See other available formats)
- Regulatory Status
- Other Names
- Tumor necrosis factor-α, Cachectin, Necrosin, Macrophage cytotoxic factor (MCF), Differentiation inducing factor (DIF), TNFSF2
- Mouse IgG1, κ
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- Product Citations
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TNF-α is secreted by macrophages, monocytes, neutrophils, T cells, and NK cells. Many transformed cell lines also secrete TNF-α. Monomeric human TNF-α is a 157 amino acid protein (non-glycosylated) with a reported molecular weight of 17 kD. TNF-α forms multimeric complexes; stable trimers are most common in solution. A 26 kD membrane form of TNF-α has also been described. TNF-α binding to surface receptors elicits a wide array of biological activities including: cytolysis and cytostasis of many tumor cell lines in vitro, hemorraghic necrosis of tumors in vivo, increased fibroblast proliferation, and enhanced chemotaxis and phagocytosis in neutrophils.Product Details
- Verified Reactivity
- Reported Reactivity
- Cat, Chimpanzee, Baboon, Cynomolgus, Rhesus, Pigtailed Macaque, Sooty Mangabey, Pig
- Antibody Type
- Host Species
- E. coli-expressed, recombinant human TNF-α
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
- The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 488 under optimal conditions.
- Lot-specific (to obtain lot-specific concentration, please enter the lot number in our Concentration and Expiration Lookup or Certificate of Analysis online tools.)
- 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.
ICFC - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by intracellular immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is 5 µL per 106 cells in 100 µL volume. It is recommended that the reagent be titrated for optimal performance for each application.
* 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
ELISA or ELISPOT Detection: The biotinylated MAb11 antibody is useful as the detection antibody in a sandwich ELISA or ELISPOT, when used in conjunction with the purified MAb1 antibody (Cat. No. 502802/502804) as the capture antibody.
Flow Cytometry3,5,6,10: The fluorochrome-labeled MAb11 antibody is useful for intracellular and membrane-bound immunofluorescent staining and flow cytometric analysis to identify TNF-a-producing cells within mixed cell populations.
Additional reported applications (for the relevant formats) include: neutralization1,2, immunohistochemical staining of paraformaldehyde-fixed, saponin-treated frozen tissue sections4 and acetone-fixed frozen tissue sections8, immunocytochemistry7, and immunofluorescence9. The MAb11 antibody can neutralize the bioactivity of natural or recombinant TNF-a.
Note: For testing human TNF-a in serum or plasma, BioLegend's ELISA Max™ Sets (Cat. No. 430201 to 430206) are specially developed and recommended. The LEAF™ purified antibody (Endotoxin <0.1 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for neutralization of human TNF-a bioactivity (Cat. No. 502922).
The Purified MAb1 antibody is useful in neutralization2 and as the capture antibody in a sandwich ELISA or ELISPOT assay, when used in conjunction with the biotinylated MAb11 antibody (Cat. No. 502904/502914) as the detecting antibody.
Clone MAb11 cross-reacts to Cat11
- Application References
- Rathjen D, et al. 1991. Mol. Immunol. 28:79. (Neut)
- Ablamunits V, et al. 2010. Eur. J. Immunol. 40:2891. (Neut)
- Enr quez J, et al. 2002. Adv. Perit. Dial. 18:177. (ICFC)
- Andersson U, et al. 1999. Detection and quantification of gene expression. New York:Springer-Verlag. (IHC)
- Chen H, et al. 2005. J. Immunol. 175:591. (ICFC)
- Iwamoto S, et al. 2007. J. Immunol. 179:1449. (ICFC) PubMed
- Andersson U, et al. 2000. J. Exp. Med. 192:565. (ICC)
- Moormann AM, et al. 1999. J. Infect. Dis. 180:1987. (IHC)
- Zhao XJ, et al. 2003. J. Immunol. 170:2923. (IF)
- Rieger R, et al. 2009. Cancer Gene Ther. 1:53-64. (FC)
- Maksaereekul S, et al. 2009. Vaccine. 28:3754 (FC)
- Product Citations
AB_493122 (BioLegend Cat. No. 502917)
AB_493121 (BioLegend Cat. No. 502915)
- TNF superfamily; dimer/trimer; 17 kD (Mammalian)
- Paracrine/endocrine mediator of inflammatory and immune functions; selectively cytotoxic for transformed cells; chemoattractant
- Cell Sources
- Activated monocytes, neutrophils, macrophages, T cells, B cells, NK cells, LAK cells
- Cell Targets
- Monocytes, neutrophils, macrophages, T cells, fibroblasts, endothelial cells, osteoclasts, adipocytes, astroglia, microglia
- TNFRSF1A (TNF-R1, CD120a, TNFR-p60 Type β, p55); TNFRSF1B (TNF-R2, CD120b, TNFR-p80 Type A, p75)
- Cell Type
- Neutrophils, Tregs
- Biology Area
- Cell Biology, Immunology, Innate Immunity, Neuroinflammation, Neuroscience
- Molecular Family
- Antigen References
1. Fitzgerald K, et al. Eds. 2001. The Cytokine FactsBook. Academic Press, San Diego.
2. Beutler B, et al. 1988. Annu. Rev. Biochem. 57:505.
3. Beutler B, et al. 1989. Annu. Rev. Immunol. 7:625.
4. Tracey K, et al. 1993. Crit. Care Med. 21:S415.
- Type II integral membrane protein processed by TACE for secretion; upregulated by interferons, IL-2, GM-CSF, substance P, bradykinin, PAF, immune complexes, cyclooxygenase; downregulated by IL-6, TGF-β, vitamin D3, prostaglandin E2, PAF antagonists
- Gene ID
- 7124 View all products for this Gene ID
- View information about TNF-alpha on UniProt.org
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Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
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