Human IFN-gamma Antibody

(18 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human IFN-gamma.
  • Source
    Monoclonal Mouse IgG2A Clone # 25718
  • 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 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
  • Immunocytochemistry
    8-25 µg/mL
    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 0.02-0.06 µg/mL in the presence of 1 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.
Data Examples
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), as measured by crystal violet staining. Inhibition of EMCV activity elicited by Recombinant Human IFN‑ gamma (1 ng/mL) is neutralized (green line) by increasing concentrations of Human IFN‑ gamma Monoclonal Antibody (Catalog # MAB285). The ND50 is typically 0.02-0.06 µg/mL.
Immunocytochemistry
IFN‑ gamma in Human PBMCs. IFN‑ gamma was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) stimulated with PMA and ionomycin using 10 µg/mL Human IFN‑ gamma Monoclonal Antibody (Catalog # MAB285) for 3 hours at room temperature. Cells were stained with the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). View our protocol for Fluorescent ICC Staining of Non-adherent Cells.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • 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
Related Research Areas
Citations:

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.

18 Citations: Showing 1 - 10
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Species
Applications
Sample Type
  1. PUM1 is a biphasic negative regulator of innate immunity genes by suppressing LGP2
    Authors: Y Liu, L Qu, Y Liu, B Roizman, GG Zhou
    Proc. Natl. Acad. Sci. U.S.A., 2017;0(0):.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  2. Bilirubin suppresses Th17 immunity in colitis by upregulating CD39
    Authors: MS Longhi, M Vuerich, A Kalbasi, JE Kenison, A Yeste, E Csizmadia, B Vaughn, L Feldbrugge, S Mitsuhashi, B Wegiel, L Otterbein, A Moss, FJ Quintana, SC Robson
    JCI Insight, 2017;2(9):.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  3. Production of Proinflammatory Cytokines by Monocytes in Liver-Transplanted Recipients with De Novo Autoimmune Hepatitis Is Enhanced and Induces TH1-like Regulatory T Cells
    Authors: AS Arterbery, A Osafo-Addo, Y Avitzur, M Ciarleglio, Y Deng, SJ Lobritto, M Martinez, DA Hafler, M Kleinewiet, UD Ekong
    J. Immunol., 2016;196(10):4040-51.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  4. Innate Invariant NKT Cell Recognition of HIV-1-Infected Dendritic Cells Is an Early Detection Mechanism Targeted by Viral Immune Evasion
    J Immunol, 2016;0(0):.
    Species: Human
    Sample Type: Whole Cells
    Application: IHC - Fresh
  5. Modulation of Stat-1 in Human Macrophages Infected with Different Species of Intracellular Pathogenic Bacteria
    J Immunol Res, 2016;2016(0):5086928.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  6. The long intergenic noncoding RNA landscape of human lymphocytes highlights the regulation of T cell differentiation by linc-MAF-4.
    Authors: Ranzani, Valeria, Rossetti, Grazisa, Panzeri, Ilaria, Arrigoni, Alberto, Bonnal, Raoul J, Curti, Serena, Gruarin, Paola, Provasi, Elena, Sugliano, Elisa, Marconi, Maurizio, De Francesco, Raffaele, Geginat, Jens, Bodega, Beatrice, Abrignani, Sergio, Pagani, Massimil
    Nat Immunol, 2015;16(3):318-25.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  7. Vitamin D up-regulates the vitamin D receptor by protecting it from proteasomal degradation in human CD4+ T cells.
    Authors: Kongsbak M, von Essen M, Boding L, Levring T, Schjerling P, Lauritsen J, Woetmann A, Odum N, Bonefeld C, Geisler C
    PLoS ONE, 2014;9(5):e96695.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  8. The transcription factor PU.1 is required for the development of IL-9-producing T cells and allergic inflammation.
    Authors: Chang HC, Sehra S, Goswami R, Yao W, Yu Q, Stritesky GL, Jabeen R, McKinley C, Ahyi AN, Han L, Nguyen ET, Robertson MJ, Perumal NB, Tepper RS, Nutt SL, Kaplan MH
    Nat. Immunol., 2010;11(6):527-34.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  9. Impaired development of human Th1 cells in patients with deficient expression of STAT4.
    Authors: Chang HC, Han L, Goswami R, Nguyen ET, Pelloso D, Robertson MJ, Kaplan MH
    Blood, 2009;113(23):5887-90.
    Species: Human
    Sample Type: Whole Cells
    Application: Other: Cell differentiation
  10. In vivo blockade of OX40 ligand inhibits thymic stromal lymphopoietin driven atopic inflammation.
    Authors: Seshasayee D, Lee WP, Zhou M, Shu J, Suto E, Zhang J, Diehl L, Austin CD, Meng YG, Tan M, Bullens SL, Seeber S, Fuentes ME, Labrijn AF, Graus YM, Miller LA, Schelegle ES, Hyde DM, Wu LC, Hymowitz SG, Martin F
    J. Clin. Invest., 2007;117(12):3868-3878.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  11. Evidence for downregulation of erythropoietin receptor in bone marrow erythroid cells of patients with chronic idiopathic neutropenia.
    Authors: Pontikoglou C, Liapakis G, Pyrovolaki K, Papadakis M, Bux J, Eliopoulos GD, Papadaki HA
    Exp. Hematol., 2006;34(10):1312-22.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  12. Human intestinal intraepithelial lymphocytes keep TNF alpha levels low by cell uptake and feedback inhibition of transcription.
    Authors: Ebert EC, Mehta V
    Cell. Immunol., 2006;241(1):7-13.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  13. Peripheral expansion of circulating T-helper 1 cells predicts coronary endothelial dysfunction after cardiac transplantation.
    Authors: Methe H, Wiegand D, Welsch U, Meiser B, Nabauer M, Koglin J
    J. Heart Lung Transplant., 2005;24(7):833-40.
    Species: Human
    Sample Type: Whole Tissue
    Application: IHC
  14. IL-15 and the initiation of cell contact-dependent synovial fibroblast-T lymphocyte cross-talk in rheumatoid arthritis: effect of methotrexate.
    Authors: Miranda-Carus ME, Balsa A, Benito-Miguel M, Perez de Ayala C, Martin-Mola E
    J. Immunol., 2004;173(2):1463-76.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  15. In human B cells, IL-12 triggers a cascade of molecular events similar to Th1 commitment.
    Authors: Durali D, de Goer de Herve MG, Giron-Michel J, Azzarone B, Delfraissy JF, Taoufik Y
    Blood, 2003;102(12):4084-9.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  16. Reprogramming of IL-10 activity and signaling by IFN-gamma.
    Authors: Herrero C, Hu X, Li WP, Samuels S, Sharif MN, Kotenko S, Ivashkiv LB
    J. Immunol., 2003;171(10):5034-41.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  17. Cutting edge: immune cells as sources and targets of the IL-10 family members?
    Authors: Wolk K, Kunz S, Asadullah K, Sabat R
    J. Immunol., 2002;168(11):5397-402.
    Species: Human
    Sample Type: Whole Cells
    Application: Functional Assay
  18. Decreased IL-15 may contribute to elevated IgE and acute inflammation in atopic dermatitis.
    Authors: Ong PY, Hamid QA, Travers JB, Strickland I, Al Kerithy M, Boguniewicz M, Leung DY
    J. Immunol., 2002;168(1):505-10.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
Expand to show all 18 Citations
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