Recombinant Human CCL28

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Pricing & Details

Prod. No.M1097
Expression Host
E. coli
Size
Price
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25 µg
249.00
Max:
Min: 1
Step: 1

Data

Background

CCL28, also known as mucosae-associated epithelial chemokine (MEC), CCK1 and SCYA28, is a chemokine. CCL28 regulates the chemotaxis of cells that express the chemokine receptors CCR3 and CCR10. CCL28 is expressed by columnar epithelial cells in the gut, lung, breast and the salivary glands and drives the mucosal homing of T and B lymphocytes that express CCR10, and the migration of eosinophils expressing CCR3.1,2,3 CCL28 is constitutively expressed in the colon, but its levels can be increased by pro-inflammatory cytokines and certain bacterial products implying a role in effector cell recruitment to sites of epithelial injury.3 CCL28 is a key regulator of IgA antibody-secreting cells (ASCs) accumulation in the mammary gland and thus controls the passive transfer of IgA antibodies from mother to infant.4

Protein Details

Purity
>97% by SDS-PAGE and analyzed by silver stain.
Endotoxin Level
<0.1 EU/µg as determined by the LAL method
Biological Activity
The biological activity of Human MEC was determined by its ability to induce chemotaxis of mouse BaF/3 cells transfected with mCCR10 (mGPR2). The expected ED50 for this effect is typically 0.4-2.0 μg/ml.
Expression Host
E. coli
Protein Accession No.
Amino Acid Sequence
ilpiassc ctevshhisr rllervnmcr iqradgdcdl aavilhvkrr ricvsphnht vkqwmkvqaa kkngkgnvch rkkhhgkrns nrahqgkhet yghktpy
N-terminal Sequence Analysis
Ile23
State of Matter
Lyophilized
Predicted Molecular Mass
The predicted molecular weight of Recombinant Human CCL28 is Mr 12 kDa.
Formulation
This recombinant protein was lyophilized from a 0.2 μm filtered solution in Phosphate Buffered Saline (1X PBS) pH 7.2-7.4.
Storage and Stability
This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution, this protein may be stored at 2°C to 8°C for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.
Country of Origin
USA
Shipping
Next Day Ambient
PubMed
NCBI Gene Bank

References & Citations

1. Kunkel, SL. et al. (2003) J Clin. Invest. 111: 1001
2. John, AE. et al. (2005) J. Pathol. 166(2): 345
3. Hieshima, GB. et al. (2003) J Immunol. 170: 1452
4. Butcher, EC. et al. (2004) J Exp. Med. 200: 805
IMPORTANT Use lot specific datasheet for all technical information pertaining to this recombinant protein.
Products are for research use only. Not for use in diagnostic or therapeutic procedures.
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