Canine IFN-gamma Antibody (142529)

R&D Systems | Catalog # MAB781

R&D Systems

Key Product Details

Species Reactivity

Validated:

Canine

Cited:

Canine

Applications

Validated:

Western Blot, ELISA Capture (Matched Antibody Pair)

Cited:

Flow Cytometry, ELISA Development, ELISA Development (Capture)

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 142529
View all IFN-gamma Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant canine IFN-gamma
Gln24-Lys166
Accession # P42161

Specificity

Detects canine IFN-gamma in direct ELISAs and Western blots. In direct ELISAs, this antibody shows approximately 75% cross‑reactivity with recombinant porcine IFN-gamma and no cross-reactivity with IFN-gamma from human, mouse, feline, rat, or rhesus macaque.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Applications for Canine IFN-gamma Antibody (142529)

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: Recombinant Canine IFN-gamma (Catalog # 781-CG)

Canine IFN-gamma Sandwich Immunoassay

ELISA Capture (Matched Antibody Pair)
Recommended Concentration: 2-8 µg/mL
Use in combination with these reagents:
  • Detection Reagent: Canine IFN‑ gamma Biotinylated Antibody (Catalog # BAM7811)
  • Standard: Recombinant Canine IFN-gamma Protein (Catalog # 781-CG)
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

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

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: IFN-gamma

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 proinflammatory cytokine (1, 2). Mature canine IFN-gamma exists as a noncovalently linked homodimer of 20-25 kDa variably glycosylated subunits (3). It shares 79% - 88% amino acid sequence identity with bovine, equine, and feline IFN-gamma, 62% - 73% with human, porcine, and rhesus IFN-gamma, and 40% - 47% 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 (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 antiviral, antiproliferative, 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).

References

  1. Billiau, A. and P. Matthys (2009) Cytokine Growth Factor Rev. 20:97.
  2. Pestka, S. et al. (2004) Immunol. Rev. 202:8.
  3. Zucker, K. et al. (1992) J. Interferon Res. 12:191.
  4. Marsters, S.A. et al. (1995) Proc. Natl. Acad. Sci. 92:5401.
  5. Krause, C.D. et al. (2000) J. Biol. Chem. 275:22995.
  6. Schroder, K. et al. (2004) J. Leukoc. Biol. 75:163.
  7. McLaren, J.E. and D.P. Ramji (2009) Cytokine Growth Factor Rev. 20:125.
  8. Muhl, H. and J. Pfeilschifter (2003) Int. Immunopharmacol. 3:1247.
  9. Kelchtermans, H. et al. (2008) Trends Immunol. 29:479.

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

P42161

Additional IFN-gamma Products

Product Documents for Canine IFN-gamma Antibody (142529)

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Canine IFN-gamma Antibody (142529)

For research use only

Citations for Canine IFN-gamma Antibody (142529)

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