CellRapeutics™ Recombinant Human IFN-gamma Protein (CART-024CL)

  • Product Name
  • CellRapeutics™ Recombinant Human IFN-gamma Protein
  • Cat. No.
  • CART-024CL
  • Background Information
  • 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. Mature human IFN-gamma exists as a non-covalently linked homodimer of 20-25 kDa variably glycosylated subunits. 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 role 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 Entrez Gene IDs 3458 (Human); 15978 (Mouse); 25712 (Rat); 396991 (Porcine); 281237 (Bovine); 403801 (Canine); 493965 (Feline) Alternate Names IFG; IFI; IFNG; IFN-gamma; Immune interferon; interferon gamma; interferon, gamma
  • Reconstitution
  • Reconstitute at 0.2 mg/mL in sterile, deionized water.
  • Product format/Physical form
  • Lyophilized from a 0.2 μm filtered solution in Sodium Succinate, Mannitol and Tween 80 with BSA as a carrier protein.
  • Purity or Quality Grade
  • >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
  • Endotoxin Level
  • <0.01 EU per 1 μg of the protein by the LAL method.
  • Activity
  • Measured in anti-viral assays using HeLa human cervical epithelial carcinoma cells infected with encephalomyocarditis (EMC) virus. Meager, A. (1987) in Lymphokines and Interferons, a Practical Approach. Clemens, M.J. et al. (eds): IRL Press. 129. The ED50 for this effect is typically 0.15-0.75 ng/mL.
    The specific activity of Recombinant Human IFN-gamma is approximately 2 x 104 IU/μg, which is calibrated against human IFN-gamma Standard (NIBSC code: 87/586).
  • Source
  • E. coli-derived Gln24-Gln166 with an N-terminal Met
  • N-terminal Sequence Analysis
  • Met
  • Mol wt
  • 16.9 kDa
  • 17 kDa, reducing conditions
  • High Throughput Compatibility
  • CAA31639
  • Shipping Condition
  • The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
  • Storage Conditions
  • 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.
    3 months, -20 to -70 °C under sterile conditions after reconstitution.

For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.

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