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REACTIVITY SENSITIVITY MW (kDa) Isotype
Rabbit 

Product Usage Information

Storage: Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibodies. Protect from light. Do not freeze.

Specificity / Sensitivity

IFN-γ (D3H2) XP® Rabbit mAb (PE Conjugate) recognizes endogenous levels of total IFN-γ protein.


Source / Purification

Monoclonal antibody is produced by immunizing animals with recombinant human IFN-γ protein.

Product Description

This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated IFN-γ (D3H2) XP® Rabbit mAb #8455.


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 the cell mediated adaptive immunity by inducing IFN-γ production by T lymphocytes, increasing 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 to form the (IFNGR1/IFNGR2)2 -IFN-γ dimer. 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.


Entrez-Gene Id 3458
Swiss-Prot Acc. P01579


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
XP is a registered trademark of Cell Signaling Technology, Inc.

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IFN-γ (D3H2) XP® Rabbit mAb (PE Conjugate)