Mouse/Rat CD200 Antibody

(3 citations)   
  • Species Reactivity
    Mouse, Rat
  • Specificity
    Detects mouse CD200 in direct ELISAs and mouse CD200 and rat CD200 Western blots. In direct ELISAs, approximately 50% cross-reactivity with recombinant human CD200 is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant mouse CD200
    Gln31-Gly232
    Accession # O54901
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.25 µg/mL
    See below
  • Simple Western
    2.5 µg/mL
    See below
  • Immunohistochemistry
    5-15 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Mouse and Rat CD200 by Western Blot. Western blot shows lysates of mouse brain tissue and rat brain tissue. PVDF membrane was probed with 0.25 µg/mL of Goat Anti-Mouse/Rat CD200 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3355) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for CD200 at approximately 38-45 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Immunohistochemistry
CD200 in Mouse Brain. CD200 was detected in perfusion fixed frozen sections of normal mouse brain using Goat Anti-Mouse/Rat CD200 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3355) at 15 µg/mL overnight at 4 °C. Tissue was stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to plasma membranes of hippocampal neurons. View our protocol for Fluorescent IHC Staining of Frozen Tissue Sections.
Detection of Mouse and Rat CD200 by Simple WesternTM. Simple Western lane view shows lysates of mouse brain (cortex) tissue and rat brain (cortex) tissue, loaded at 0.2 mg/mL. A specific band was detected for CD200 at approximately 73-76 kDa (as indicated) using 2.5 µg/mL of Goat Anti-Mouse/Rat CD200 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3355) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the
12-230 kDa separation system.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • 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.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: CD200

CD200, also known as OX-2, is a 45 kDa type I transmembrane immunoregulatory protein that belongs to the immunoglobulin superfamily (1, 2). The mouse CD200 cDNA encodes a 278 amino acid (aa) precursor that includes a 30 aa signal sequence, a 202 aa extracellular domain (ECD), a 27 aa transmembrane segment, and a 19 aa cytoplasmic domain. The ECD is composed of one Ig-likeV-type and one Ig-like C2-type domain (3). Splice variants of CD200 have been described in human but not in mouse. Within the ECD, mouse CD200 shares 76% and 94% aa sequence identity with human and rat CD200, respectively. CD200 is widely but not ubiquitously expressed (4). Its receptor (CD200R) is restricted primarily to mast cells, basophils, macrophages, and dendritic cells, which suggests myeloid cell regulation as the major function of CD200 (5‑7). CD200 knockout mice are characterized by increased macrophage number and activation, and are predisposed to autoimmune disorders (8). CD200 and CD200 R associate via their respective N-terminal Ig-like domains (9). In myeloid cells, CD200 R initiates inhibitory signals following receptor-ligand contact (6, 7, 10). In T cells, CD200 functions as a costimulatory molecule that is independent of the CD28 pathway (11). Several additional CD200 R-like molecules have been identified in human and mouse, but their capacity to interact with CD200 is controversial (12, 13). Several viruses encode CD200 homologs which are expressed on infected cells during the lytic phase (14, 15). Like CD200 itself, viral CD200 homologs also suppress myeloid cell activity, enabling increased viral propagation (5, 14‑16).

  • References:
    1. Gorczynski, R.M. (2005) Curr. Opin. Invest. Drugs 6:483.
    2. Barclay, A.N. et al. (2002) Trends Immunol. 23:285.
    3. Chen, Z. et al. (1997) Biochim. Biophys. Acta 1362:6.
    4. Wright, G.J. et al. (2001) Immunology 102:173.
    5. Shiratori, I. et al. (2005) J. Immunol. 175:4441.
    6. Cherwinski, H.M. et al. (2005) J. Immunol. 174:1348.
    7. Fallarino, F. et al. (2004) J. Immunol. 173:3748.
    8. Hoek, R.M. et al. (2000) Science 290:1768.
    9. Hatherley, D. and A.N. Barclay (2004) Eur. J. Immunol. 34:1688.
    10. Jenmalm, M.C. et al. (2006) J. Immunol. 176:191.
    11. Borriello, F. et al. (1997) J. Immunol. 158:4548.
    12. Gorczynski, R. et al. (2004) J. Immunol. 172:7744.
    13. Hatherley, D. et al. (2005) J. Immunol. 175:2469.
    14. Foster-Cuevas, M. et al. (2004) J. Virol. 78:7667.
    15. Cameron, C.M. et al. (2005) J. Virol. 79:6052.
    16. Langlais, C.L. et al. (2006) J. Virol. 80:3098.
  • Entrez Gene IDs:
    4345 (Human); 17470 (Mouse); 102146004 (Cynomolgus Monkey)
  • Alternate Names:
    antigen identified by monoclonal MRC OX-2; CD200 antigenMOX1; CD200 molecule; CD200; MOX1; MOX2; MOX2MRC; MRC OX-2 antigen; MRC; OX-2 membrane glycoprotein; OX-2
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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Species
Applications
Sample Type
  1. Dok2 mediates the CD200Fc attenuation of Abeta-induced changes in glia.
    Authors: Lyons A, Downer E, Costello D, Murphy N, Lynch M
    J Neuroinflammation, 2012;9(0):107.
    Species: Mouse
    Sample Type: Cell Lysates
    Application: WB
  2. Bald scalp in men with androgenetic alopecia retains hair follicle stem cells but lacks CD200-rich and CD34-positive hair follicle progenitor cells.
    Authors: Garza LA, Yang CC, Zhao T, Blatt HB, Lee M, He H, Stanton DC, Carrasco L, Spiegel JH, Tobias JW, Cotsarelis G
    J. Clin. Invest., 2011;121(2):613-22.
    Species: Mouse
    Sample Type: Whole Tissue
    Application: IHC Paraffin-embedded
  3. Potent immunosuppression by a bivalent molecule binding to CD200R and TGF-betaR.
    Authors: Gorczynski RM, Chen Z, Shivagnahnam S
    Transplantation, 2010;90(2):150-9.
    Species: Mouse
    Sample Type: Cell Culture Supernates
    Application: WB
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