Recombinant Mouse Erythropoietin (EPO) (carrier-free)

Pricing & Availability
Other Names
Hematopoietin, MVCD2, EP
Ave. Rating
Submit a Review
Product Citations
publications
EPO_Mouse_Recombinant_Protein_BA_053113
TF-1 cell proliferation induced by mouse EPO.
  • EPO_Mouse_Recombinant_Protein_BA_053113
    TF-1 cell proliferation induced by mouse EPO.
Cat # Size Price Quantity Avail. Save
587602 10 µg $185
Check Availability


Need larger quantities of this item?
Request Bulk Quote
587604 25 µg $350
Check Availability


Need larger quantities of this item?
Request Bulk Quote
587606 100 µg $795
Check Availability


Need larger quantities of this item?
Request Bulk Quote
587608 500 µg $1,900
Check Availability


Need larger quantities of this item?
Request Bulk Quote
Description

Mouse Erythropoietin (EPO) was initially cloned from mouse genomic libraries using human and monkey cDNA probes. Mouse and human EPO are 80% identical at amino acid and nucleotide levels. EPO is a glycoprotein composed of 40-60% carbohydrates, and its molecular weight varies from 30-34 kD depending on the carbohydrate percentage. Hypoxia induces erythropoiesis, and hypoxia inducible factor (HIF) is directly involved in EPO expression. HIF is a heterodimer (HIF-1α, HIF-2α, and β subunits) transcription factor, and it is regulated by HIF-prolyl hydroxylase (HIF-PH) that hydroxylates the α subunits, targeting them for ubiquitination and subsequent degradation. HIF-PH is a sensor of levels of iron, oxygen, and metabolic activity. High levels of HIF protein induce EPO production in the kidney and liver, and mobilization of iron to support erythropoiesis. EPO binds to the EPOR, and transcripts of this receptor have been detected in non-erythroid precursors such as endothelial cells and renal proximal epithelial cells; nevertheless, it has been published that functional erythropoietin receptor is not detected in endothelial, cardiac, neuronal, and renal cells. Several transcriptions factors play a role in the expression of EPOR such as GATA 1, Friend of GATA (Fog1), and the erythroid specific factor SCL/Tal 1. EPO has been used in the treatment of anemia associated with chronic kidney disease, cancer patients on chemotherapy, and antiviral HIV therapy.

Product Details
Technical data sheet

Product Details

Source
Mouse EPO, amino acids (Ala27-Arg192) (Accession# NM_007942.2) was expressed in CHO cells.
Molecular Mass
The 166 amino acid recombinant protein has a predicted molecular mass of approximately 18.6 kD. The DTT-reduced and non-reduced protein migrate at approximately 35-50 kD and 33-48 kD by SDS-PAGE respectively. The N-terminal amino acid is Ala.
Purity
>98%, as determined by Coomassie stained SDS-PAGE.
Formulation
0.22 µm filtered protein solution is in PBS.
Endotoxin Level
Less than 0.01 ng per µg cytokine as determined by the LAL method.
Concentration
10 and 25 µg sizes are bottled at 200 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 = 0.5 - 2.5 ng/ml, corresponding to a specific activity of 0.4 - 2 x 106 units/mg, as determined by the dose dependent stimulation of TF-1 cells proliferation.
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. Yang L, et al. 2020. Nat Commun. 11:2560. PubMed

Antigen Details

Distribution
EPO is primarily expressed in kidney (70-90% of the total EPO) and liver. EPO is expressed by hepatocytes, cortical interstitial fibroblasts in ischemic kidneys, astrocytes, and neurons under hypoxia.
Function
EPO is the major regulator of differentiation, proliferation, and survival of erythroid progenitors. EPO expression is induced by hypoxia; HIF, among other transcription factors, regulates EPO expression. EPO has a possible role in neuroprotection.
Interaction
Erythroid progenitor cells
Ligand/Receptor
EpoR (homodimer)
Cell Type
Embryonic Stem Cells
Biology Area
Cell Biology, Signal Transduction, Stem Cells
Molecular Family
Growth Factors, Cytokines/Chemokines
Antigen References

1. Shoemaker CB, et al. 1986. Mol. Cell. Biol. 6:849.
2. McDonald JD, et al. 1986. Mol. Cell. Biol. 6:842.
3. Chin K, et al. 2000. Brain Res. Mol. Brain Res. 81:29.
4. Snow JW, et al. 2009. J. Biol. Chem. 284:29310.
5. Kassouf MT, et al. 2010. Genome Res. 2010:20:1064.
6. Paliege A, et al. 2010. Kidney Int. 77:312.
7. Sinclair AM, et al. 2010. Blood 115:4264.
8. Alnaeeli M, et al. 2012. Anat. Res. Int. doi:10.1155/2012/953264.

Gene ID
13856 View all products for this Gene ID
UniProt
View information about Erythropoietin on UniProt.org

Related FAQs

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.

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.

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)
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.

Go To Top Version: 1    Revision Date: 05/31/2013

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.

 

8999 BioLegend Way, San Diego, CA 92121 www.biolegend.com
Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

ProductsHere
Insert Note Here
Save Close Clear
Lab Timer
Tools
Login/Register
Forgot your password? Reset Password
Request an Account