Ultra-LEAF™ Purified anti-human IFN-γ Antibody

Pricing & Availability
Clone
B27 (See other available formats)
Regulatory Status
RUO
Other Names
Interferon-γ, Immune interferon, Type II interferon, T cell interferon, Macrophage-activating factor (MAF), IFN-g, IFN-gamma
Isotype
Mouse IgG1, κ
Ave. Rating
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Product Citations
publications
B27_Purified_IFN-gamma_Antibody_012519_updated.png
PMA+ionomycin-stimulated human peripheral blood lymphocytes (6-hours), in the presence of monensin, were fixed, permeabilized, and then intracellularly stained with IFN-γ (clone B27) Purified (filled histogram), or mouse IgG1, κ PerCP/Cyanine5.5 isotype control (open histogram) followed by anti-mouse IgG FITC.
  • B27_Purified_IFN-gamma_Antibody_012519_updated.png
    PMA+ionomycin-stimulated human peripheral blood lymphocytes (6-hours), in the presence of monensin, were fixed, permeabilized, and then intracellularly stained with IFN-γ (clone B27) Purified (filled histogram), or mouse IgG1, κ PerCP/Cyanine5.5 isotype control (open histogram) followed by anti-mouse IgG FITC.
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506531 100 µg 88€
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506532 1 mg 120€
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506533 5 mg 432€
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506534 25 mg 1127€
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506535 50 mg 1884€
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506536 100 mg 2707€
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Description

Interferon-γ is a potent multifunctional cytokine which is secreted primarily by activated NK cells and T cells. Originally characterized based on anti-viral activities, IFN-γ also exerts anti-proliferative, immunoregulatory, and proinflammatory activities. IFN-γ can upregulate MHC class I and II antigen expression by antigen-presenting cells. The B27 antibody reacts with the human interferon-γ. The B27 antibody can neutralize the bioactivity of natural or recombinant IFN-γ.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human
Reported Reactivity
Chimpanzee, Baboon, Cynomolgus, Rhesus, African Green, Pigtailed Macaque, Sooty Mangabey
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
E. coli-expressed recombinant human IFN-γ
Formulation
0.2 µm filtered in phosphate-buffered solution, pH 7.2, containing no preservative. Endotoxin level is <0.01 EU/µg of the protein (<0.001 ng/µg of the protein) as determined by the LAL test.
Preparation
The Ultra-LEAF™ (Low Endotoxin, Azide-Free) antibody was purified by affinity chromatography.
Concentration
The antibody is bottled at the concentration indicated on the vial, typically between 2 mg/mL and 3 mg/mL. Older lots may have also been bottled at 1 mg/mL. 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. This Ultra-LEAF™ solution contains no preservative; handle under aseptic conditions.
Application

ICFC - Quality tested
FC, Neut - Reported in the literature, not verified in house

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 ≤ 0.25 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.

Application Notes

Flow Cytometry2: The fluorochrome-labeled B27 antibody is useful for intracellular immunofluorescent staining and flow cytometric analysis to identify IFN-? -producing cells within mixed cell populations. For intracellular cytokine staining protocol, please visit www.biolegend.com and click on the support section.
Neutralization1,3,6,7: The Ultra-LEAF™ Purified antibody (Endotoxin <0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for neutralization of human IFN-? bioactivity (Cat. No. 506531).

Application References
  1. Favre C, et al. 1989. Molec. Immunol. 26:17. (Neut)
  2. Kaur A, et al. 2002. J Virol. 76:3646.
  3. Abrams J, et al. 1992. Immunol. Rev. 127:5. (Neut)
  4. Andersson U, et al. 1999. Detection and quantification of gene expression. New York:Springer-Verlag.
  5. Rout N, et al. 2010. PLoS One 5:e9787. (FC)
  6. Acosta-Rodriguez EV, et al. 2007. Nat. Immunol. 9:942-9. (Neut)
  7. Gangur V, et al. 1998. FASEB J. 12:705-13. (Neut)
Product Citations
  1. Bhojnagarwala PS, et al. 2022. Mol Ther Oncolytics. 26:289. PubMed
  2. Gruber CN, et al. 2020. Cell. 183:982. PubMed
  3. OConnor RA, et al. 2021. OncoImmunology. 10(1):1940675. PubMed
  4. Jiang J, et al. 2021. Front Immunol. 12:785549. PubMed
RRID
AB_2801091 (BioLegend Cat. No. 506531)
AB_2801092 (BioLegend Cat. No. 506532)
AB_2801093 (BioLegend Cat. No. 506533)
AB_2801094 (BioLegend Cat. No. 506534)
AB_2801095 (BioLegend Cat. No. 506535)
AB_2801096 (BioLegend Cat. No. 506536)

Antigen Details

Structure
Cytokine; dimer; 20-25 kD (Mammalian)
Bioactivity
Antiviral/antiparasitic activities; inhibits proliferation; enhances MHC class I and II expression on APC
Cell Sources
CD8+ and CD4+ T cells, NK cells
Cell Targets
T cells, B cells, macrophages, NK cells, endothelial cells, fibroblasts
Receptors
IFN-γRα (CDw119) dimerized with IFN-γRβ (AF-1)
Cell Type
Tregs
Biology Area
Cell Biology, Immunology, Neuroinflammation, Neuroscience
Molecular Family
Cytokines/Chemokines
Antigen References

1. Fitzgerald K, et al. Eds. 2001. The Cytokine FactsBook. Academic Press San Diego.
2. De Maeyer E, et al. 1992. Curr. Opin. Immunol. 4:321.
3. Farrar M, et al. 1993. Annu. Rev. Immunol. 11:571.
4. Gray P, et al. 1987. Lymphokines 13:151.

Regulation
Upregulated by IL-2, FGF-basic, EGF; downregulated by vitamin D3 or DMN; labile at pH2
Gene ID
3458 View all products for this Gene ID
UniProt
View information about IFN-gamma on UniProt.org

Related FAQs

Do you guarantee that your antibodies are totally pathogen free?

BioLegend does not test for pathogens in-house aside from the GoInVivo™ product line. However, upon request, this can be tested on a custom basis with an outside, independent laboratory.

Does BioLegend test each Ultra-LEAF™ antibody by functional assay?

No, BioLegend does not test Ultra-LEAF™ antibodies by functional assays unless otherwise indicated. Due to the possible complexities and variations of uses of biofunctional antibodies in different assays and because of the large product portfolio, BioLegend does not currently perform functional assays as a routine QC for the antibodies. However, we do provide references in which the antibodies were used for functional assays and we do perform QC to verify the specificity and quality of the antibody based on our strict specification criteria.

Does BioLegend test each Ultra-LEAF™ antibody for potential pathogens?

No, BioLegend does not test for pathogens in-house unless otherwise indicated.  However, we can recommend an outside vendor to perform this testing as needed.

Have you tested this Ultra-LEAF™ antibody for in vivo or in vitro applications?

We don't test our antibodies for in vivo or in vitro applications unless otherwise indicated. Depending on the product, the TDS may describe literature supporting usage of a particular product for bioassay. It may be best to further consult the literature to find clone specific information.

Go To Top Version: 5    Revision Date: 12/16/2021

For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.

 

*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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