Active Recombinant Pig Ifnb1 protein, His-tagged

Cat.No. : Ifnb1-7230M
Product Overview : Active Recombinant Pig Ifnb1 protein(Q29412)(22~186 aa), fused with N-terminal His tag, was expressed in E.coli.
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Species : Pig
Source : E.coli
Tag : His
Protein Length : 22-186 aa
Form : Lyophilized from sterile PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
Bio-activity : Interferon Beta (IFNb) is belongs to type I interferons (IFNs) family which a large subgroup of interferon proteins that help regulate the activity of the immune system.The IFNb proteins are produced in large quantities by fibroblasts. They have antiviral activity that is involved mainly in innate immune response. Two types of IFNb have been described, IFNb1 (IFNB1) and IFNb3 (IFNB3). IFNb1 is used as a treatment for multiple sclerosis as it reduces the relapse rate. To test the effect of IFNb on cell apoptosis, A549 cells were seeded into triplicate wells of 96-well plates at a density of 5,000 cells/well and allowed to attach, replaced with serum-free overnight, then the medium was replaced with 5% serum standard DMEM prior to the addition of various concentrations of recombinant pig IFNb. After incubated for 48h, cells were observed by inverted microscope and cell proliferation was measured by Cell Counting Kit-8 (CCK-8). Briefly, 10 µl of CCK-8 solution was added to each well of the plate, then the absorbance at 450 nm was measured using a microplate reader after incubating the plate for 1-4 hours at 37°C. Apoptosis of A549 cells after incubation with IFNb for 48h observed by inverted microscope was shown. Cell viability was assessed by CCK-8(Cell Counting Kit-8 ) assay after incubation with recombinant IFNb for 48h. It was obvious that IFNb significantly decreased cell viability of A549 cells. The ED50 of recombinant pig IFNb is 4.9 ug/ml.
Molecular Mass : 23.3kDa
Endotoxin : <1.0EU per 1μg (determined by the LAL method).
Purity : > 97% as determined by SDS-PAGE.
Storage : Avoid repeated freeze/thaw cycles. Store at -20°C for 12 months. Aliquot and store at -80°C for 12 months.
Reconstitution : Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
Gene Name IFNB1 interferon beta [ Sus scrofa ]
Official Symbol Ifnb1
Synonyms IFNB1; interferon beta; interferon-beta; IFNb; IFN-beta;
Gene ID 445459
mRNA Refseq NM_001003923
Protein Refseq NP_001003923

Not For Human Consumption!

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