|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.|
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).
UniProt ID: P01580
Entrez-Gene Id: 15978
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