I17001
Interferon-γ human
IFN-gamma, recombinant, expressed in HEK 293 cells, suitable for cell culture, endotoxin tested
Synonym(s):
IFN-γ
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About This Item
Form:
lyophilized powder
Assay:
≥98% (SDS-PAGE)
Recombinant:
expressed in HEK 293 cells
Mol wt:
16 kDa (glycosylated)
recombinant
expressed in HEK 293 cells
Quality Segment
assay
≥98% (SDS-PAGE)
form
lyophilized powder
potency
≤0.250 ng/mL In Viral Resistance Assay ED50
mol wt
16 kDa (glycosylated)
technique(s)
cell culture | mammalian: suitable
suitability
endotoxin tested
storage temp.
−20°C
General description
Interferon-γ (IFN-γ) is a pleotropic cytokine, encoded by the gene mapped to human chromosome 12q15. It is a non-covalent homodimer with two identical 17kDa polypeptide chains. It belongs to the type II class of interferons.
Recombinant human Interferon-γ (IFN-γ) is expressed in human 293 cells as a glycoprotein with a calculated molecular mass of 16 kDa. This protein is manufactured in human cells using an all-human production system, with full chemically defined ingredients and with no serum. The human cells expression system allows human-like glycosylation and folding, and often supports better stability of the protein in culture. The bioactivity of IFN-γ expressed in human 293 cells is significantly higher compared to bacterially expressed IFN-γ.
Application
Interferon-γ human has been used in cytometric bead array to measure the levels of interferon-γ in the sample.
It has also been used for cytokine treatment of human islets to evaluate the activation of hypoxia inducible factor 1 α (HIF1α) targets, in vitro.
Biochem/physiol Actions
IFN-γ is a dimerized soluble cytokine that is the only member of the type II class of interferons.
Interferon-γ (IFN-γ) plays an essential role in function of virtually all immune cells and both innate and adaptive immune responses. IFN-γ exhibits various biological effects, such as antiviral activity, inhibition of cell or tumor growth and promotion of terminal differentiation of B cells into immunoglobulin-producing cells. This cytokine also activates macrophages, increases cytotoxicity of natural killer cells and promotes T cell cytotoxicity. In addition to antiviral activity, recombinant human IFN-γ is a potent modulator of immune responses and modifies cellular processes.
Interferon-γ (IFN-γ) plays an essential role in function of virtually all immune cells and both innate and adaptive immune responses. IFN-γ exhibits various biological effects, such as antiviral activity, inhibition of cell or tumor growth and promotion of terminal differentiation of B cells into immunoglobulin-producing cells. This cytokine also activates macrophages, increases cytotoxicity of natural killer cells and promotes T cell cytotoxicity. In addition to antiviral activity, recombinant human IFN-γ is a potent modulator of immune responses and modifies cellular processes.
Physical form
Supplied as a lyophilized powder containing phosphate buffered saline.
Analysis Note
The biological activity of recombinant human IFN-γ was tested in culture in a viral resistance assay. The ED50 is defined as the effective concentration of IFN-γ that allows 50% cell growth in an antiviral cell based bioassay.
Other Notes
QDPYVKEAENLKKYFNAGHSDVADNGTLFLGILKNWKEESDRKIMQSQIVSFYFKLFKNFKDDQSIQKSVETIKEDMNVKFFNSNKKKRDDFEKLTNYSVTDLNVQRKAIHELIQVMAELSPAAKTGKRKRSQMLFRG
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Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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