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Mouse Interferon-γ (mIFN-γ)
Growth Factors and Cytokines

Mouse Interferon-γ (mIFN-γ) #39127

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Mouse Interferon-γ (mIFN-γ): Image 1
The purity of recombinant mIFN-γ was determined by SDS-PAGE of 1 µg reduced (+) and non-reduced (-) recombinant mIFN-γ and staining overnight with Coomassie Blue.
Mouse Interferon-γ (mIFN-γ): Image 2
The bioactivity of recombinant mIFN-γ was determined in a virus protection assay. L-929 cells were pretreated with increasing concentrations of mIFN-γ (started at 25 pg/ml). Cells were then inoculated with encephalomyocarditis virus (EMCV). The OD590 was determined for the surviving cells.
Mouse Interferon-γ (mIFN-γ): Image 3
Western blot analysis of extracts from L-929 cells, untreated or treated with mIFN-γ for 20 minutes, using Phospho-Stat1 (Tyr701) (D4A7) Rabbit mAb #7649 (upper) and Stat1 Antibody #9172 (lower).

Product Usage Information

Working concentration of mIFN-γ generally ranges from 0.1-10 ng/ml.


Recombinant mouse IFN-γ is supplied as lyophilized material that is very stable at -20°C. It is recommended to reconstitute with sterile water at a concentration of 0.1 mg/ml which can be further diluted in aqueous solutions as needed. Addition of a carrier protein (0.1% HSA or BSA) is recommended for long term storage.

Product Description

MW (kDa) 16
Purity A greater than 95% purity was determined by SDS-PAGE.
Endotoxin Less than or equal to 1 EU / 1 μg mIFN-γ.
Activity The bioactivity of mIFN-γ was determined in a virus protection assay. The biological activity of each lot is greater than or equal to 1.0 x 10^7 units/mg.

Source / Purification

Recombinant mouse IFN-γ was expressed in E. coli and is supplied in a lyophilized form.


IFN-γ plays key roles in both the innate and adaptive immune response. IFN-γ activates the cytotoxic activity of innate immune cells such as macrophages and NK cells (1,2). IFN-γ production by NK cells and antigen-presenting cells (APCs) promotes cell-mediated adaptive immunity by inducing IFN-γ production by T lymphocytes, increased class I and class II MHC expression, and enhancing peptide antigen presentation (1). The anti-viral activity of IFN-γ is due to its induction of PKR and other regulatory proteins. Binding of IFN-γ to the IFNGR1/IFNGR2 complex promotes dimerization of the receptor complexes. Binding induces a conformational change in receptor intracellular domains and signaling involves Jak1, Jak2, and Stat1 (3). The critical role of IFN-γ in amplification of immune surveillance and function is supported by increased susceptibility to pathogen infection by IFN-γ or IFNGR knockout mice, and in humans with inactivating mutations in IFNGR1 or IFNGR2. IFN-γ also appears to have a role in atherosclerosis (4).
  1. Schroder, K. et al. (2004) J Leukoc Biol 75, 163-89.
  2. Martinez, F.O. et al. (2009) Annu Rev Immunol 27, 451-83.
  3. Kotenko, S.V. et al. (1995) J Biol Chem 270, 20915-21.
  4. McLaren, J.E. and Ramji, D.P. (2009) Cytokine Growth Factor Rev 20, 125-35.

Pathways & Proteins

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Limited Uses

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Products are labeled with For Research Use Only or a similar labeling statement and have not been approved, cleared, or licensed by the FDA or other regulatory foreign or domestic entity, for any purpose. Customer shall not use any Product for any diagnostic or therapeutic purpose, or otherwise in any manner that conflicts with its labeling statement. Products sold or licensed by CST are provided for Customer as the end-user and solely for research and development uses. Any use of Product for diagnostic, prophylactic or therapeutic purposes, or any purchase of Product for resale (alone or as a component) or other commercial purpose, requires a separate license from CST. Customer shall (a) not sell, license, loan, donate or otherwise transfer or make available any Product to any third party, whether alone or in combination with other materials, or use the Products to manufacture any commercial products, (b) not copy, modify, reverse engineer, decompile, disassemble or otherwise attempt to discover the underlying structure or technology of the Products, or use the Products for the purpose of developing any products or services that would compete with CST's products or services, (c) not alter or remove from the Products any trademarks, trade names, logos, patent or copyright notices or markings, (d) use the Products solely in accordance with CST's Product Terms of Sale and any applicable documentation, and (e) comply with any license, terms of service or similar agreement with respect to any third party products or services used by Customer in connection with the Products.

For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
To Purchase # 39127
Cat. # Size Qty. Price
100 µg $ 247