Recombinant Mouse IL-27 (carrier-free)

Pricing & Availability
Regulatory Status
RUO
Other Names
Interleukin 27, IL-27p28 (IL-30), EBI3
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Product Citations
publications
Mouse_IL-27_111710
Inhibition of IL-2 production induced by mouse IL-27 in mouse activated splenocytes.
  • Mouse_IL-27_111710
    Inhibition of IL-2 production induced by mouse IL-27 in mouse activated splenocytes.
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577402 10 µg $245.00
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577404 25 µg $395.00
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577406 100 µg $1200.00
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577408 500 µg $4000.00
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Description

IL-27 is a heterodimeric cytokine that consists of EBI3, an IL-12p40-related protein, and p28, an IL-12p35-related polypeptide. IL-27 can be allocated to the IL-6/IL-12 superfamily of cytokines which include also IL-23. This family is defined based on similarities in the structural motifs of the ligands, such as a common four-helix bundle, their receptors, which contain a hematopoietin receptor domain. IL-27 signaling occurs via a receptor complex composed of the signal transducing receptor chains WSX-1 and glycoprotein (gp) 130. Whereas WSX-1 is the IL-27–specific receptor chain, gp130 is the common receptor subunit of IL-6 type cytokines. IL-27 signaling in naïve CD4+ T cells leads to activation and phosphorylation of STAT1 and STAT3.

Product Details
Technical data sheet

Product Details

Source
Mouse IL-27 consists of mouse EBI3 (NM_015766, Tyr19-Pro228), and mouse p28 (NM_145636, Phe29-Ser234) joined via a GGGSGGGSGGGTGGGS linker, expressed in 293E cells with a 8His-tag in the C-terminus.
Molecular Mass
The total predicted molecular weight is 49 kD. The non-reduced and the DTT-reduced proteins migrate as one band at approximately 55 kD by SDS-PAGE.
Purity
Purity is >95%, as determined by Coomassie stained SDS-PAGE.
Formulation
0.22 µm filtered protein solution is in 20 mM NaH2PO4, pH 6, 0.60 M NaCl.
Endotoxin Level
Less than 0.01 ng per µg cytokine as determined by the LAL method.
Preparation
For maximum results, quick spin vial prior to opening. Stock solutions should be prepared at no less than 10 µg/mL in sterile buffer containing carrier protein such as 1% BSA or HSA or 10% FBS.
Concentration
10 and 25 µg sizes are bottled at 100 µg/mL. 100 µg size and larger sizes are lot-specific and bottled at the concentration indicated on the vial (please contact technical support for concentration, or use our Lookup tool if you have a lot number.)
Please note, new lots of the 100 µg size will be lot-specific and may differ from previous lots that had a fixed concentration.
Storage & Handling
Unopened vial can be stored between 2°C and 8°C for up to 2 weeks, at -20°C for up to six months, or at -70°C or colder until the expiration date. For maximum results, quick spin vial prior to opening. The protein can be aliquoted and stored at -20°C or colder. Stock solutions can also be prepared at 50 - 100 µg/mL in appropriate sterile buffer, carrier protein such as 0.2 - 1% BSA or HSA can be added when preparing the stock solution. Aliquots can be stored between 2°C and 8°C for up to one week and stored at -20°C or colder for up to 3 months. Avoid repeated freeze/thaw cycles.
Activity
ED50 = 5 - 10 ng/ml, corresponding to a specific activity of 1.0 - 2.0 x 105 units/mg, as determined by inhibition of IL-2 production induced by mouse IL-27 in mouse splenocytes activated with anti-CD3 and anti-CD28 antibodies.
Application

Bioassay

Application Notes

BioLegend carrier-free recombinant proteins provided in liquid format are shipped on blue-ice. Our comparison testing data indicates that when handled and stored as recommended, the liquid format has equal or better stability and shelf-life compared to commercially available lyophilized proteins after reconstitution. Our liquid proteins are verified in-house to maintain activity after shipping on blue ice and are backed by our 100% satisfaction guarantee. If you have any concerns, contact us at tech@biolegend.com.

Product Citations
  1. Zhao X, et al. 2017. Nat Commun. 10.1038/s41467-017-00770-7. PubMed
  2. Perkins D, et al. 2015. J Immunol. 195: 2461-2471. PubMed
  3. Montes de Oca M, et al. 2020. PLoS Pathog. 16:e1008994. PubMed

Antigen Details

Structure
Heterodimer
Distribution

Produced by antigen-presenting cells, including macrophages and dendritic cells.

Function
IL-27 triggers rapid clonal expansion of antigen-specific naïve human and mouse CD4 T cell. IL-27 promotes the early Th1 differentiation through up-regulation of ICAM-1 and T-bet, and suppresses the differentiation to Th2 and Th17. In addition, IL-27 suppresses the cytokine production by activated CD4+ T cells in vitro, and TNF-α and IL-12 production by macrophages. This suppressive mechanism is considered to be mediated through IL-10. IL-27 plays a dominant function together with TGF-β in generating IL-10-producing anti-inflammatory Tr1 cells. Additionally, IL-27 exerts IFN-like functions in liver cells. IL-27 is predominantly produced early after stimulation of APCs by TLR ligands or infectious agents.
Interaction
Activated T cells, resting NK cells, resting NKT cells, hepatoma cells, and hepatocytes.
Ligand/Receptor
IL-27Ra (also known as WSX-1 or TCCR) paired with gp130
Biology Area
Apoptosis/Tumor Suppressors/Cell Death, Cell Biology, Immunology, Signal Transduction
Molecular Family
Cytokines/Chemokines
Antigen References

1. Pflanz S, et al. 2002. Immunity 16:779.
2. Owaki T, et al. 2005. J. Immunol. 175:2191.
3. Batten M, et al. 2006. Nat. Immunol. 7:929.
4. Villarino VA, et al. 2006. J. Immunol. 176:237.
5. Stumhofer JS, et al. 2007. Nat. Immunol. 8:1363.
6. Awasthi A, et al. 2007. Nat. Immunol. 8:1380.
7. Pot C, et al. 2009. J. Immunol. 183:797.
8. Bender H, et al. 2009. Hepatology 50:585.

Gene ID
246779 View all products for this Gene ID
UniProt
View information about IL-27 on UniProt.org

Related FAQs

Why choose BioLegend recombinant proteins?

     • Each lot of product is quality-tested for bioactivity as indicated on the data sheet.
     • Greater than 95% Purity or higher, tested on every lot of product.
     • 100% Satisfaction Guarantee for quality performance, stability, and consistency.
     • Ready-to-use liquid format saves time and reduces challenges associated with reconstitution.
     • Bulk and customization available. Contact us.
     • Learn more about our Recombinant Proteins.

How does the activity of your recombinant proteins compare to competitors?

We quality control each and every lot of recombinant protein. Not only do we check its bioactivity, but we also compare it against other commercially available recombinant proteins. We make sure each recombinant protein’s activity is at least as good as or better than the competition’s. In order to provide you with the best possible product, we ensure that our testing process is rigorous and thorough. If you’re curious and eager to make the switch to BioLegend recombinants, contact your sales representative today!

What is the specific activity or ED50 of my recombinant protein?

The specific activity range of the protein is indicated on the product datasheets. Because the exact activity values on a per unit basis can largely fluctuate depending on a number of factors, including the nature of the assay, cell density, age of cells/passage number, culture media used, and end user technique, the specific activity is best defined as a range and we guarantee the specific activity of all our lots will be within the range indicated on the datasheet. Please note this only applies to recombinants labeled for use in bioassays. ELISA standard recombinant proteins are not recommended for bioassay usage as they are not tested for these applications.

Have your recombinants been tested for stability?

Our testing shows that the recombinant proteins are able to withstand room temperature for a week without losing activity. In addition the recombinant proteins were also found to withstand four cycles of freeze and thaw without losing activity.

Does specific activity of a recombinant protein vary between lots?

Specific activity will vary for each lot and for the type of experiment that is done to validate it, but all passed lots will have activity within the established ED50 range for the product and we guarantee that our products will have lot-to-lot consistency. Please conduct an experiment-specific validation to find the optimal ED50 for your system.

How do you convert activity as an ED50 in ng/ml to a specific activity in Units/mg?
Use formula Specific activity (Units/mg) = 10e6/ ED50 (ng/mL)
Go To Top Version: 4    Revision Date: 10/10/2016

For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.

 

*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.

 

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