Key Product Details

Species Reactivity

Porcine

Applications

Neutralization

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
View all IFN-gamma Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant porcine IFN-gamma
Ser21-Lys166
Accession # P17803

Specificity

Detects porcine IFN‑ gamma in direct ELISA.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Endotoxin Level

<0.10 EU per 1 μg of the antibody by the LAL method.

Scientific Data Images for Porcine IFN‑ gamma Antibody

IFN-gamma Inhibition of EMCV-induced Cytopathy and Neutralization by Porcine IFN-gamma Antibody.

IFN-gamma Inhibition of EMCV-induced Cytopathy and Neutralization by Porcine IFN-gamma Antibody.

Recombinant Porcine IFN-gamma (Catalog # 985-PI) reduces the Encephalomyocarditis Virus (EMCV)-induced cytopathy in the PK-15 porcine kidney epithelial cell line in a dose-dependent manner (orange line), as measured by Resazurin (Catalog # AR002). Inhibition of EMCV activity elicited by Recombinant Porcine IFN-gamma (0.2 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Porcine IFN-gamma Antigen Affinity-purified Polyclonal Antibody (Catalog # AF9851). The ND50 is typically 1-6 ng/mL.

Applications for Porcine IFN‑ gamma Antibody

Application
Recommended Usage

Neutralization

Measured by its ability to neutralize IFN‑ gamma inhibition of EMCV-induced cytopathy in the PK‑15 porcine kidney epithelial cell line. The Neutralization Dose (ND50) is typically 1-6 ng/mL in the presence of 0.2 ng/mL Recombinant Porcine IFN‑ gamma.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 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 porcine IFN-gamma exists as a noncovalently linked homodimer of 20‑25 kDa variably glycosylated subunits (3). It shares 72%‑79% amino acid sequence identity with bovine, canine, equine, and feline IFN-gamma and 41%‑57% with cotton rat, human, mouse, rat, and rhesus 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, anti-proliferative, 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. Dijkmans, R. et al. (1990) Nucl. Acids Res. 18:4259.
  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

P17803

Additional IFN-gamma Products

Product Documents for Porcine IFN‑ gamma Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Porcine IFN‑ gamma Antibody

For research use only

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