Recombinant Mouse CD163 Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 7435-CD

R&D Systems, part of Bio-Techne
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7435-CD-050
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Key Product Details

Source

NS0

Accession #

AAK16065

Structure / Form

Monomer

Conjugate

Unconjugated

Applications

Bioactivity

View all CD163 Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived mouse CD163 protein
Val39-Thr1045, with a C-terminal 10-His tag

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Val39

Predicted Molecular Mass

110 kDa

SDS-PAGE

130-160 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
When Recombinant Mouse CD163 is immobilized at 5 μg/mL (100 μL/well), the concentration of mouse Haptoglobin/Hemoglobin (Hp/Hb) that produces 50% optimal binding response is approximately 0.2-1 μg/mL.

Formulation, Preparation and Storage

7435-CD
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution
Reconstitute at 100 μg/mL in PBS.

Reconstitution Buffer Available:
Size / Price
Qty
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CD163

CD163, also known as M130 and  p155, is a 130-160 kDa type I transmembrane protein belonging to group B of the cysteine-rich scavenger receptor family (1). Mature mouse CD163 consists of a 1007 amino acid (aa) extracellular domain (ECD) with 9 scavenger receptor cysteine-rich (SRCR) domains, a 21 aa transmembrane segment, and a 55 aa cytoplasmic domain (2). Alternative splicing of mouse CD163 generates an isoform with a substitution in the cytoplasmic region. Within the ECD, mouse CD163 shares 75% and 90% aa sequence identity with human and rat CD163, respectively. CD163 is expressed on monocytes and macrophages and is inducible by immunosuppressant glucocorticoids and IL-10 (3-5). A soluble form is shed from the cell surface by TACE or neutrophil elastase mediated cleavage (6, 7) in response to oxidative stress, Prostaglandin F2a stimulation, or the activation of Fc gamma receptors, TLR1, 2, 5, or 6 (8-10). CD163 mediates monocyte binding to bacteria, leading to the release of inflammatory cytokines (11). It is essential for the circulatory clearance of hemoglobin-haptoglobin (Hb-Hp) complexes as well as free hemoglobin (12, 13). It can also mediate monocyte-erythroblast adhesion and promote erythroblast expansion (14). CD163 binds and internalizes the cytokine TWEAK, and the ratio of soluble CD163 to TWEAK in the plasma is elevated during atherosclerosis (15, 16).

References

  1. Kowal, K. et al. (2011) Folia Histochem. Cytobiol. 49:365.
  2. Law, S.K.A. et al. (1993) Eur. J. Immunol. 23:2320.
  3. Hogger, P. et al. (1998) J. Immunol. 161:1883.
  4. Sulahian, T.H. et al. (2000) Cytokine 12:1312.
  5. Buechler, C. et al. (2000) J. Leukoc. Biol. 67:97.
  6. Etzerodt, A. et al. (2010) J. Leukoc. Biol. 88:1201.
  7. Moreno, J.A. et al. (2012) Eur. Heart J. 33:252.
  8. Weaver, L.K. et al. (2006) J. Leukoc. Biol. 80:26.
  9. Timmermann, M. and P. Hogger (2005) Free Radic. Biol. Med. 39:98.
  10. Sulahian, T.H. et al. (2004) J. Leukoc. Biol. 76:271.
  11. Fabriek, B.O. et al. (2009) Blood 113:887.
  12. Kristiansen, M. et al. (2001) Nature 409:198.
  13. Schaer, D.J. et al. (2006) Blood 107:373.
  14. Fabriek, B.O. et al. (2007) Blood 109:5223.
  15. Bover, L.C. et al. (2007) J. Immunol. 178:8183.
  16. Moreno, J.A. et al. (2009) Atherosclerosis 207:103.

Alternate Names

CD163, GHI/61, HbSR, M130, RM3/1

Entrez Gene IDs

9332 (Human); 93671 (Mouse); 312701 (Rat)

Gene Symbol

CD163

UniProt

AAK16065

Additional CD163 Products

Product Documents for Recombinant Mouse CD163 Protein, CF

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Product Specific Notices for Recombinant Mouse CD163 Protein, CF

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