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Human IFN-gamma Antibody

Catalog #: MAB2851
7 Citations 2 Reviews Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
MAB2851-SP
MAB2851-100
MAB2851-500
Detection of IFN- gamma in Human PBMCs by Flow Cytometry.
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Product Details
Citations (7)
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Reviews (2)
Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human IFN-gamma Antibody Summary

Species Reactivity
Human
Specificity
Detects human IFN-gamma in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant mouse IFN-gamma, recombinant rat IFN-gamma, or recombinant porcine IFN-gamma is observed. Neutralizes the bioactivity of recombinant human IFN-gamma and will not neutralize the activity of rat or mouse IFN-gamma.
Source
Monoclonal Mouse IgG2B Clone # 25723
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
E. coli-derived recombinant human IFN-gamma
Gln24-Gln166
Accession # AAP20098.1
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Label
Unconjugated

Applications

Recommended Concentration
Sample
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 
Immunocytochemistry
8-25 µg/mL
Immersion fixed human peripheral blood mononuclear cells stimulated with PMA and ionomycin 
Intracellular Staining by Flow Cytometry
0.25 µg/106 cells
See below
Neutralization
Measured by its ability to neutralize IFN‑ gamma inhibition of EMCV-induced cytopathy in the HeLa human cervical epithelial carcinoma cell line. Meager, A. (1987) in Lymphokines and Interferons, a Practical Approach. Clemens, M. J. et al. (eds): IRL Press. 129. The Neutralization Dose (ND50) is typically 0.2-0.6 µg/mL in the presence of 5 ng/mL Recombinant Human IFN‑ gamma.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Intracellular Staining by Flow Cytometry Detection of IFN- gamma antibody in Human PBMCs antibody by Flow Cytometry. View Larger

Detection of IFN- gamma in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) treated with 50 ng/mL PMA, 1 ug/mL Ionomycin, and 3 uM Monensin overnight were stained with either (A) Mouse Anti-Human IFN- gamma Monoclonal Antibody (Catalog # MAB2851) or (B) Mouse IgG2B Isotype Control (Catalog # MAB0041) followed by anti-Mouse IgG PE-conjugated secondary antibody (Catalog # F0102B) and Mouse Anti-Human CD3 epsilon APC-conjugated Monoclonal Antibody (Catalog # FAB100A). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (Catalog # FC012). View our protocol for Staining Intracellular Molecules.

Neutralization IFN‑ gamma Inhibition of EMCV-induced Cytopathy and Neutralization by Human IFN‑ gamma Antibody. View Larger

IFN‑ gamma Inhibition of EMCV-induced Cytopathy and Neutralization by Human IFN‑ gamma Antibody. Recombinant Human IFN-gamma (Catalog # 285-IF) reduces the Encephalomyocarditis Virus (EMCV)-induced cytopathy in the HeLa human cervical epithelial carcinoma cell line in a dose-dependent manner (orange line). Inhibition of EMCV activity elicited by Recombinant Human IFN-gamma (5 ng/mL) is neutralized (green line) by increasing concen-trations of Mouse Anti-Human IFN-gamma Monoclonal Antibody (Catalog # MAB2851). The ND50 is typically 0.2-0.6 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IFN-gamma

Interferon-gamma (IFN-gamma ), also known as type II or immune interferon, exerts a wide range of immunoregulatory activities and is considered to be the prototype proinflammatory cytokine (1, 2). Mature human IFN-gamma exists as a non-covalently linked homodimer of 20-25 kDa variably glycosylated subunits (3). It shares 90% amino acid (aa) sequence identity with rhesus IFN-gamma, 59-64% with bovine, canine, equine, feline, and porcine IFN‑ gamma, and 37-43% with cotton rat, mouse, and rat IFN-gamma. IFN-gamma dimers bind to IFN-gamma RI (alpha subunits) which then interact with IFN-gamma RII (beta subunits) to form the functional receptor complex of two alpha and two beta  subunits. Inclusion of IFN-gamma RII increases the binding affinity for ligand and the efficiency of signal transduction (4, 5). IFN-gamma is produced by a variety of immune cells under inflammatory conditions, notably by T cells and NK cells (6). It plays a key role in host defense by promoting the development and activation of Th1 cells, chemoattraction and activation of monocytes and macrophages, upregulation of antigen presentation molecules, and immunoglobulin class switching in B cells. It also exhibits antiviral, antiproliferative, and apoptotic effects (6, 7). In addition, IFN-gamma functions as an anti-inflammatory mediator by promoting the development of regulatory T cells and inhibiting Th17 cell differentiation (8, 9). The pleiotropic effects of IFN-gamma contribute to the development of multiple aspects of atherosclerosis (7).

References
  1. Billiau, A. and P. Matthys (2009) Cytokine Growth Factor Rev. 20:97.
  2. Pestka, S. et al. (2004) Immunol. Rev. 202:8.
  3. Gray, P.W. and D.V. Goeddel (1982) Nature 298:859.
  4. Marsters, S.A. et al. (1995) Proc. Natl. Acad. Sci. USA 92:5401.
  5. Krause, C.D. et al. (2000) J. Biol. Chem. 275:22995.
  6. Schroder, K. et al. (2004) J. Leukoc. Biol. 75:163.
  7. McLaren, J.E. and D.P. Ramji (2009) Cytokine Growth Factor Rev. 20:125.
  8. Muhl, H. and J. Pfeilschifter (2003) Int. Immunopharmacol. 3:1247.
  9. Kelchtermans, H. et al. (2008) Trends Immunol. 29:479.
Long Name
Interferon gamma
Entrez Gene IDs
3458 (Human); 15978 (Mouse); 25712 (Rat); 396991 (Porcine); 281237 (Bovine); 403801 (Canine); 493965 (Feline)
Alternate Names
IFG; IFI; IFNG; IFNgamma; IFN-gamma; Immune interferon; interferon gamma; interferon, gamma

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Citations for Human IFN-gamma Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

7 Citations: Showing 1 - 7
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  1. Reverse translation identifies the synergistic role of immune checkpoint blockade and IL-15 to enhance immunotherapy of ovarian cancer
    Authors: Martin Felices, Erin Wesley, Laura E. Bendzick, Behiye Kodal, Rachel Hopps, Bartosz Grzywacz et al.
    Cancer Immunology Research
  2. Adipose tissue specific CCL18 associates with cardiometabolic diseases in non-obese individuals implicating CD4+ T cells
    Authors: N Subramania, K Hofwimmer, B Tavira, L Massier, DP Andersson, P Arner, J Laurenciki
    Cardiovascular Diabetology, 2023-04-12;22(1):84.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: Neutralization
  3. SARS-CoV-2-specific T cell immunity in cases of COVID-19 and SARS, and uninfected controls
    Authors: N Le Bert, AT Tan, K Kunasegara, CYL Tham, M Hafezi, A Chia, MHY Chng, M Lin, N Tan, M Linster, WN Chia, MI Chen, LF Wang, EE Ooi, S Kalimuddin, PA Tambyah, JG Low, YJ Tan, A Bertoletti
    Nature, 2020-07-15;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  4. Human monocyte-derived macrophages inhibit HCMV spread independent of classical antiviral cytokines
    Authors: Jennifer Becker, Volker Kinast, Marius Döring, Christoph Lipps, Veronica Duran, Julia Spanier et al.
    Virulence
  5. Interleukin-16-producing NK cells and T-cells in the blood of tobacco smokers with and without COPD
    Authors: Apostolos Bossios
    Int J Chron Obstruct Pulmon Dis, 2016-09-15;11(0):2245-2258.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  6. Clinical improvement in chronic plaque-type psoriasis lesions after narrow-band UVB therapy is accompanied by a decrease in the expression of IFN-gamma inducers -- IL-12, IL-18 and IL-23.
    Authors: Piskin G, Tursen U, Sylva-Steenland RM, Bos JD, Teunissen MB
    Exp. Dermatol., 2004-12-01;13(12):764-72.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-Fr
  7. PRC2-mediated epigenetic suppression of type I IFN-STAT2 signaling impairs antitumor immunity in luminal breast cancer
    Authors: J Hong, JH Lee, Z Zhang, Y Wu, M Yang, Y Liao, R de la Rosa, J Scheirer, D Pechacek, N Zhang, Z Xu, T Curiel, X Tan, TH Huang, K Xu
    Cancer Research, 2022-12-16;0(0):.

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Reviews for Human IFN-gamma Antibody

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Human IFN-gamma Antibody
By Laboratorio Inmuno-Oncología on 07/01/2021
Application: Immunocytochemistry/Immunofluorescence Sample Tested: Melanoma tissue Species: Human
Immunocytochemistry/Immunofluorescence Human IFN-gamma Antibody MAB2851
Human IFN-gamma Antibody
By Anonymous on 06/28/2017
Application: ELISA Sample Tested: Cell Culture Supernates Species: Human