IFN-gamma Protein, Mouse

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Based on 53 publication(s) in Google Scholar

IFN-gamma Protein is a cytokine belonging to the interferon family, secreted by activated immune cells such as T cells and NK cells. IFN-gamma Protein plays a key role in the immune system, exerting activities including regulating immune responses, antiviral effects, and antitumor effects. IFN-gamma Protein, Mouse is a recombinant IFN-gamma protein expressed by E. coli without any tag.

For research use only. We do not sell to patients.
  • Species: Mouse
  • Source: E. coli
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • References
  • Help & FAQs

Biological Activity

Description

IFN-gamma Protein is a cytokine belonging to the interferon family, secreted by activated immune cells such as T cells and NK cells. IFN-gamma Protein plays a key role in the immune system, exerting activities including regulating immune responses, antiviral effects, and antitumor effects. IFN-gamma Protein, Mouse is a recombinant IFN-gamma protein expressed by E. coli without any tag[1][2][3][4].

Background

IFN-gamma is a cytokine with immunomodulatory, antitumor, and antiviral properties. IFN-gamma can activate macrophages and NK cells, regulate T-cell differentiation, and participate in inflammatory responses. IFN-gamma induces antiviral proteins to inhibit viral replication and enhances the immune recognition of infected cells. IFN-gamma also exerts antitumor effects by suppressing tumor cell proliferation, activating immune cells, and inhibiting tumor angiogenesis. Meanwhile, IFN-gamma promotes the expression of MHC molecules to improve the efficiency of immune cells in recognizing pathogens and abnormal cells. Additionally, IFN-gamma is involved in regulating the differentiation and maturation of bone marrow hematopoietic stem cells[1][2][3][4].

In Vitro

IFN-gamma Protein (Mouse; 10 ng/mL; 24 h) can upregulate the expression of MHC-I and PD-L1 in tumor cell line MC38, and the effect is better when used in combination with Nintedanib (HY-50904)[5].

In Vivo

IFN-gamma Protein (Mouse; 10 ng; intranasal administration; on days 1, 3, and 5 post-infection) after primary respiratory syncytial virus (RSV) infection in mice significantly alleviates airway hyperresponsiveness (AHR) and inflammation upon reinfection[6].
IFN-gamma Protein (Mouse; 50,000 U/animal; intravenous injection; 3 times/week; 4 weeks) exhibits antitumor activity and reduces the number of lung metastatic foci in a mouse melanoma tumor model[7].

Verified Bioactivity

1. Determined by its ability to inhibit the proliferation of murine WEHI-279 cells. The expected ED50 is < 1 ng/mL.
2. Measured by its ability to inhibit the proliferation of HT-29 human coloncancer cells. The ED50 for this effect is ≤0.7283 ng/mL, corresponding to a specific activity is ≥1.37×106 Unit/mg.
3.Measured by its binding ability in a functional ELISA. When Recombinant Mouse IFN gamma is used at 10 μg/mL can bind Biotinylated Mouse CD119 (HY-P72611). The ED50 for this effect is <135 ng/mL.
4. Measured by its binding abiity in a functional ELISA. Immobilized Mouse IFN gamma at 10 μg/ml (100 μL/well) can bind Mouse CD119 (HY-P72611). The ED50 for this effect is <100 ng/mL.

Results
  • Experimental Validation Results for IFN-gamma Protein, Mouse
    Measured by its ability to inhibit the proliferation of HT-29 human colon cancer cells. The ED50 for this effect is 0.1399 ng/mL, corresponding to a specific activity is 7.147×106 Unit/mg.
  • Experimental Validation Results for IFN-gamma Protein, Mouse
    When Recombinant Mouse IFN gamma is used at 10 μg/mL can bind Biotinylated Mouse CD119 (HY-P72611). The ED50 for this effect is 74.54 ng/mL.

Technical Parameters

  • Species Mouse
  • Source E. coli
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • IFN-gamma (H23-C155)
      Accession # P01580
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    rMuIFN-γ; IFNG; IFN-gamma; Interferon gamma

  • AA Sequence

    HGTVIESLESLNNYFNSSGIDVEEKSLFLDIWRNWQKDGDMKILQSQIISFYLRLFEVLKDNQAISNNISVIESHLITTFFSNSKAKKDAFMSIAKFEVNNPQVQRQAFNELIRVVHQLLPESSLRKRKRSRC

  • Predicted Molecular Mass

    15.5 kDa

  • Molecular Weight

    Approximately 14-15 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

    • Experimental Validation Results for IFN-gamma Protein, Mouse
      ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

1.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.
2.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 8% trehalose.
Please refer to the lot-specific COA for specific buffer information.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

References

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

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=
Mass (in vial) Mass (in vial)
÷
Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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