Detects mouse IFN-gamma in Western blots. In Western blots, this antibody does not cross-react with recombinant human IFN‑ gamma, recombinant rat IFN‑ gamma, recombinant porcine IFN‑ gamma, recombinant rhesus macaque IFN‑ gamma, recombinant feline IFN‑ gamma, or recombinant canine IFN‑ gamma.
Monoclonal Rat IgG2A Clone # 37895
Protein A or G purified from hybridoma culture supernatant
E. coli-derived recombinant mouse IFN-gamma
Supplied in a saline solution containing BSA and Sodium Azide.
Detection of IFN‑ gamma in Mouse Splenocytes by Flow Cytometry.
Mouse splenocytes either (A) stimulated to induce Th1 cells or (B) unstimulated were stained with Rat Anti-Mouse IFN‑ gamma Alexa Fluor® 700‑conjugated Monoclonal Antibody (Catalog # IC485N) and Rat Anti-Mouse CD4 PE‑conjugated Monoclonal Antibody (Catalog # FAB554P). Quadrant markers were set based on control antibody staining (Catalog # IC006N). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005). View our protocol for Staining Intracellular Molecules.
Preparation and Storage
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
12 months from date of receipt, 2 to 8 °C as supplied.
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 pro-inflammatory cytokine (1, 2). Mature mouse IFN-gamma exists as a noncovalently linked homodimer of 20-25 kDa variably glycosylated subunits (3). It shares 86% amino acid sequence identity with rat IFN-gamma and 38-44% with bovine, canine, cotton rat, equine, feline, human, porcine, and rhesus macaque 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 anti-viral, anti-proliferative, 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).
Billiau, A. and P. Matthys (2009) Cytokine Growth Factor Rev. 20:97.
Pestka, S. et al. (2004) Immunol. Rev. 202:8.
Gray, P.W. and D.V. Goeddel (1983) Proc. Natl. Acad. Sci. USA 80:5842.
Marsters, S.A. et al. (1995) Proc. Natl. Acad. Sci. 92:5401.
Krause, C.D. et al. (2000) J. Biol. Chem. 275:22995.
Schroder, K. et al. (2004) J. Leukoc. Biol. 75:163.
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