IFN g Mouse

IFN-Gamma Mouse Recombinant
Cat. No.
BT26757
Source
Escherichia Coli.
Synonyms

Immune IFN, type II IFN, T cell IFN, MAF, IFNG, IFG, IFI, IFN-gamma.

Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

IFN-gamma Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 134 amino acids and having a molecular mass of 15.6kDa.
The IFN-gamma is purified by proprietary chromatographic techniques.

Product Specs

Introduction

When lymphocytes are activated by specific antigens or mitogens, they produce IFN-gamma. This cytokine possesses significant immunoregulatory properties and acts as a potent activator of macrophages. Furthermore, IFN-gamma exhibits antiviral activity, antiproliferative effects on transformed cells, and the ability to enhance the antiviral and antitumor effects of type I IFNs.

Description

Recombinant Mouse IFN-gamma, produced in E. coli, is a single, non-glycosylated polypeptide chain consisting of 134 amino acids. With a molecular weight of 15.6 kDa, this IFN-gamma undergoes purification using proprietary chromatographic techniques.

Physical Appearance
Sterile Filtered White Lyophilized Powder
Formulation
Lyophilized from a 0.2 µm filtered solution concentrated to 1 mg/mL in PBS (pH 7.4) containing 5% trehalose.
Solubility

To reconstitute the lyophilized IFN-gamma, it is recommended to use sterile distilled water or 20 mM acetic acid (AcOH) at concentrations between 0.1 mg/mL and 0.5 mg/mL. Once reconstituted, it can be further diluted in other aqueous solutions.

Stability

While lyophilized IFN-gamma remains stable at room temperature for up to 3 weeks, it is recommended to store it desiccated at temperatures below -18°C. After reconstitution, IFN-gamma should be stored at 4°C for 2-7 days. For long-term storage, it is advisable to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze-thaw cycles.

Purity
Purity exceeds 95.0% as determined by: (a) Reverse-phase high-performance liquid chromatography (RP-HPLC) analysis. (b) Sodium dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) analysis.
Biological Activity

The specific activity, determined using a viral resistance assay, is less than 0.1 ng/mL, which corresponds to a specific activity of 10,000,000 IU/mg.

Synonyms

Immune IFN, type II IFN, T cell IFN, MAF, IFNG, IFG, IFI, IFN-gamma.

Source
Escherichia Coli.
Amino Acid Sequence
MHGTVIESLE SLNNYFNSSG IDVEEKSLFL DIWRNWQKDG DMKILQSQII SFYLRLFEVL KDNQAISNNI SVIESHLITT FFSNSKAKKD AFMSIAKFEV NNPQVQRQAF NELIRVVHQL LPESSLRKRK RSRC.

Product Science Overview

Production and Source

Recombinant mouse IFN-γ is typically produced in E. coli . The recombinant protein is often supplied in a lyophilized form and can be reconstituted in sterile PBS for use in various applications .

Biological Functions

IFN-γ has several important biological functions:

  • Antiviral Activity: It demonstrates significant antiviral activity, as evidenced by its ability to inhibit the growth of viruses in infected cells .
  • Immunoregulatory Functions: IFN-γ plays a key role in regulating the immune response. It activates the cytotoxic activity of innate immune cells such as macrophages and NK cells .
  • Inflammatory Response: It is produced by a variety of immune cells under inflammatory conditions, notably by T cells and NK cells .
Mechanism of Action

Through cell signaling, IFN-γ regulates the immune response of its target cells. A key signaling pathway activated by type II IFN is the JAK-STAT signaling pathway . By activating signaling pathways in cells such as macrophages, B cells, and CD8+ cytotoxic T cells, IFN-γ promotes inflammation, antiviral or antibacterial activity, and cell proliferation and differentiation .

Expression and Regulation

The expression of type II IFN is upregulated and downregulated by cytokines . It is serologically different from type I interferons, binds to different receptors, and is encoded by a separate chromosomal locus .

Applications

Recombinant mouse IFN-γ is used in various research applications, including:

  • Antiviral Assays: It is measured in antiviral assays using mouse fibroblast cells infected with viruses .
  • Immunological Studies: It is used to study the immune response and the regulation of immune cells .
Stability and Storage

Recombinant mouse IFN-γ is typically stable for 12 months from the date of receipt when stored at -20 to -70°C as supplied . After reconstitution, it should be stored under sterile conditions at 2 to 8°C for up to one month or at -20 to -70°C for up to three months .

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