Human IFN-gamma F(ab')2 Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB285R-FAB2

Recombinant Monoclonal Antibody.
R&D Systems, part of Bio-Techne
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MAB285R-FAB2-100
MAB285R-FAB2-SP
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Key Product Details

Species Reactivity

Human

Applications

Intracellular Staining by Flow Cytometry

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Mouse IgG2B Clone # 25723R-FAB2

View all IFN-gamma Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human IFN-gamma
Gln24-Gln166
Accession # AAP20098.1

Specificity

Detects human IFN-gamma in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for Human IFN-gamma F(ab')2 Antibody

Detection of IFN‑ gamma in Human PBMCs by Flow Cytometry.

Human peripheral blood mononuclear cells (PBMCs) treated with (A) 50 ng/mL PMA, 1 ug/mL Ionomycin, and 3 uM Monensin overnight or (B) untreated, were stained with Mouse Anti-Human IFN- gamma Monoclonal Antibody (Catalog # MAB285R-FAB2) followed by anti-Mouse IgG PE-conjugated secondary antibody (F0102B) and Mouse Anti-Human CD3 epsilon APC-conjugated Monoclonal Antibody (FAB100A). Quadrant markers were set based on Mouse IgG2A Isotype Control (MAB003). To facilitate intracellular staining, cells were fixed and permeabilized with FlowX FoxP3 Fixation & Permeabilization Buffer Kit (FC012). Staining was performed using our Staining Intracellular Molecules protocol.

Applications for Human IFN-gamma F(ab')2 Antibody

Application
Recommended Usage

Intracellular Staining by Flow Cytometry

0.25 µg/mL
Sample: Human peripheral blood mononuclear cells (PBMCs) treated with 50 ng/mL PMA, 1 ug/mL Ionomycin, and 3 uM Monensin overnight

Formulation, Preparation, and Storage

Purification

Protein A or G purified from cell culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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, IFNG), also known as type II or Immune Interferon, exerts a wide range of immunoregulatory activities and is considered to be the prototype proinflammatory cytokine. Mature human IFN-gamma exists as a non-covalently linked homodimer of 20-25 kDa molecular weight variably glycosylated subunits. Glycosylation of IFN-gamma at sites Asn25 and Asn97 is critical for protease resistance. 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. IFN-gamma is produced by a variety of immune cells under inflammatory conditions, notably by T cells and NK cells. It plays a key function in host defense by promoting the development and activation of Th1 cells, chemoattraction and activation of monocytes and macrophages, up‑regulation of antigen presentation molecules, and immunoglobulin class switching in B cells. It also exhibits antiviral, antiproliferative, and apoptotic effects. In addition, IFN-gamma functions as an anti-inflammatory mediator by promoting the development of regulatory T cells and inhibiting Th17 cell differentiation. The pleiotropic effects of IFN-gamma contribute to the development of multiple aspects of atherosclerosis.

Long Name

Interferon gamma

Alternate Names

IFG, IFI, IFNG, IFNgamma

Entrez Gene IDs

3458 (Human); 15978 (Mouse); 25712 (Rat); 396991 (Porcine); 281237 (Bovine); 403801 (Canine); 493965 (Feline)

Gene Symbol

IFNG

UniProt

AAP20098.1

Additional IFN-gamma Products

Product Documents for Human IFN-gamma F(ab')2 Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Human IFN-gamma F(ab')2 Antibody

For research use only

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