Human CXCR4 Antibody

Catalog # Availability Size / Price Qty
Chemotaxis Induced by CXCL12/SDF‑1 alpha  and Neutralization by Human CXCR4 Antibody.
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Product Details
Citations (16)
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Human CXCR4 Antibody Summary

Species Reactivity
Reacts specifically with human and non-human cells expressing human CXCR4 (fusin) as detected by flow cytometry. It will also react with cells expressing feline CXCR4 but not rat CXCR4. This antibody does not cross-react with other chemokine receptors.
Monoclonal Mouse IgG2A Clone # 44708
Protein A or G purified from ascites
3T3 cells transfected with human CXCR4
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.


Recommended Concentration
Measured by its ability to neutralize CXCL12/SDF‑1 alpha -induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with human CXCR4. The Neutralization Dose (ND50) is typically 0.2-1.2 µg/mL in the presence of 1 ng/mL Recombinant Human/Feline/Rhesus Macaque CXCL12/SDF‑1 alpha.

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.

Scientific Data

Neutralization Chemotaxis Induced by CXCL12/SDF‑1 alpha  and Neutralization by Human CXCR4 Antibody. View Larger

Chemotaxis Induced by CXCL12/SDF‑1 alpha and Neutralization by Human CXCR4 Antibody. Recombinant Human/Feline/Rhesus Macaque CXCL12/SDF-1a (Catalog # 350-NS) chemoattracts the BaF3 mouse pro-B cell line transfected with human CXCR4 in a dose-dependent manner (orange line). The amount of cells that migrated through to the lower chemotaxis chamber was measured by Resazurin (Catalog # AR002). Chemotaxis elicited by Recombinant Human/Feline/Rhesus Macaque CXCL12/SDF-1a (1 ng/mL) is neutralized (green line) by increasing concentrations of Human CXCR4 Monoclonal Antibody (Catalog # MAB171). The ND50 is typically 0.2-1.2 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
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: CXCR4

CXCR4, also known as CD184, is a G-protein-linked seven transmembrane spanning receptor that binds stromal cell-derived factor-1 (SDF-1). CXCR4 acts as a co-factor for T-cell tropic HIV-1 and -2 viral entry into cells. While primarily a membrane protein, CXCR4 undergoes trafficking and internalization in response to stimulation with phorbol esters and ligand (1). Cytoplasmic and nuclear localization of CXCR4 has been observed in colorectal and renal carcinomas (2,3) and it has been used as the basis of prognosis and metastatic state (3,4,5).

  1. Orsini, M.J. et al. (1999) J. Biol. Chem. 274:31076.
  2. Zagzag, D. et al. (2005) Cancer Res. 65:6178.
  3. Speetjens, F.M. et al. (2009) Cancer Microenvironment 2:1.
  4. Wang, L. et al. (2009) Oncology Reports 22:1333.
  5. Amara, S. et al. (2015) Cancer Biomark. 15:869.
Long Name
C-X-C Motif Chemokine Receptor 4
Entrez Gene IDs
7852 (Human); 12767 (Mouse); 60628 (Rat); 483900 (Canine); 493676 (Feline)
Alternate Names
CD184; chemokine (C-X-C motif) receptor 4; chemokine (C-X-C motif), receptor 4 (fusin); C-X-C chemokine receptor type 4; CXCR4; CXC-R4; CXCR-4; D2S201E; D2S201ESDF-1 receptor; FB22; Fusin; HM89; HM89NPYRL; HSY3RR; LAP3; LAP-3; LCR1; LESTR; LESTRCD184 antigen; Leukocyte-derived seven transmembrane domain receptor; leukocyte-derived seven-transmembrane-domain receptor; lipopolysaccharide-associated protein 3; neuropeptide Y receptor Y3; NPY3R; NPY3RWHIM; NPYR; NPYRL; NPYY3R; pCXCR4; seven transmembrane helix receptor; seven-transmembrane-segment receptor, spleen; Stromal cell-derived factor 1 receptor; WHIMS

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Citations for Human CXCR4 Antibody

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.

16 Citations: Showing 1 - 10
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  1. Engagement of the CXCL12-CXCR4 Axis in the Interaction of Endothelial Progenitor Cell and Smooth Muscle Cell to Promote Phenotype Control and Guard Vascular Homeostasis
    Authors: SF Mause, E Ritzel, A Deck, F Vogt, EA Liehn
    International Journal of Molecular Sciences, 2022;23(2):.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: Neutralization
  2. Mechanisms of HIV-1 evasion to the antiviral activity of chemokine CXCL12 indicate potential links with pathogenesis
    Authors: M Armani-Tou, Z Zhou, R Gasser, I Staropoli, V Cantaloube, Y Benureau, J Garcia-Per, M Pérez-Olme, V Lorin, B Puissant-L, L Assoumou, C Delaugerre, JD Lelièvre, Y Lévy, H Mouquet, G Martin-Blo, J Alcami, F Arenzana-S, J Izopet, P Colin, B Lagane
    PloS Pathogens, 2021;17(4):e1009526.
    Species: Human
    Sample Types: Whole Cells
    Applications: Binding Assay
  3. The Synthetic Dipeptide Pidotimod Shows a Chemokine-Like Activity through CXC Chemokine Receptor 3 (CXCR3)
    Authors: F Caccuri, A Bugatti, S Corbellini, S Roversi, A Zani, P Mazzuca, S Marsico, A Caruso, C Giagulli
    Int J Mol Sci, 2019;20(21):.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  4. Isolated metastasis of an EGFR-L858R-mutated NSCLC of the meninges: the potential impact of CXCL12/CXCR4 axis in EGFRmut NSCLC in diagnosis, follow-up and treatment
    Authors: F Lüke, R Blazquez, RF Yamaci, X Lu, B Pregler, S Hannus, K Menhart, D Hellwig, HJ Wester, S Kropf, D Heudobler, J Grosse, J Moosbauer, M Hutterer, P Hau, MJ Riemenschn, M Bayerlová, A Bleckmann, B Polzer, T Bei beta barth, CA Klein, T Pukrop
    Oncotarget, 2018;9(27):18844-18857.
    Species: Human
    Sample Types: Whole Cells
    Applications: FCCS
  5. The MRPS18-2 protein levels correlate with prostate tumor progression and it induces CXCR4-dependent migration of cancer cells
    Authors: M Mushtaq, L Jensen, S Davidsson, OV Grygoruk, O Andrén, V Kashuba, E Kashuba
    Sci Rep, 2018;8(1):2268.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P
  6. [68Ga]pentixafor for CXCR4 imaging in a PC-3 prostate cancer xenograft model - comparison with [18F]FDG PET/CT, MRI and ex vivo receptor expression
    Authors: SM Schwarzenb, J Stenzel, T Otto, HV Helldorff, C Bergner, J Kurth, S Polei, T Lindner, R Rauer, A Hohn, OW Hakenberg, HJ Wester, B Vollmar, BJ Krause
    Oncotarget, 2017;8(56):95606-95619.
    Species: Xenograft
    Sample Types: Whole Tissue
    Applications: IHC-P
  7. Signal transmission through the CXC chemokine receptor 4 (CXCR4) transmembrane helices
    Proc Natl Acad Sci USA, 2016;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: IHC-Fr
  8. MIF inhibits monocytic movement through a non-canonical receptor and disruption of temporal Rho GTPase activities in U-937 cells.
    Authors: DiCosmo-Ponticello C, Hoover D, Coffman F, Cohen S, Cohen M
    Cytokine, 2014;69(1):47-55.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  9. ZAP-70 promotes the infiltration of malignant B-lymphocytes into the bone marrow by enhancing signaling and migration after CXCR4 stimulation.
    Authors: Calpe E, Purroy N, Carpio C, Abrisqueta P, Carabia J, Palacio C, Castellvi J, Crespo M, Bosch F
    PLoS ONE, 2013;8(12):e81221.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  10. CXCL12 is essential for migration of activated Langerhans cells from epidermis to dermis.
    Authors: Ouwehand K, Santegoets SJ, Bruynzeel DP, Scheper RJ, de Gruijl TD, Gibbs S
    Eur. J. Immunol., 2008;38(11):3050-9.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  11. Cross-talk between paracrine-acting cytokine and chemokine pathways promotes malignancy in benign human prostatic epithelium.
    Authors: Ao M, Franco OE, Park D, Raman D, Williams K, Hayward SW
    Cancer Res., 2007;67(9):4244-53.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  12. CXCL12-CXCR4 interactions modulate prostate cancer cell migration, metalloproteinase expression and invasion.
    Authors: Singh S, Singh UP, Grizzle WE, Lillard JW
    Lab. Invest., 2004;84(12):1666-76.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  13. Involvement of the CXCL12/CXCR4 pathway in the advanced liver disease that is associated with hepatitis C virus or hepatitis B virus.
    Authors: Wald O, Pappo O, Safadi R, Dagan-Berger M, Beider K, Wald H, Franitza S, Weiss I, Avniel S, Boaz P, Hanna J, Zamir G, Eid A, Mandelboim O, Spengler U, Galun E, Peled A
    Eur. J. Immunol., 2004;34(4):1164-74.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P
  14. Mutations at the CXCR4 interaction sites for AMD3100 influence anti-CXCR4 antibody binding and HIV-1 entry.
    Authors: Hatse S, Princen K, Vermeire K, Gerlach LO, Rosenkilde MM, Schwartz TW, Bridger G, De Clercq E, Schols D
    FEBS Lett., 2003;546(2):300-6.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  15. CXCR4 function requires membrane cholesterol: implications for HIV infection.
    Authors: Nguyen DH, Taub D
    J. Immunol., 2002;168(8):4121-6.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  16. IL8 and CXCL13 are potent chemokines for the recruitment of human neural precursor cells across brain endothelial cells.
    Authors: Weiss N, Deboux C, Chaverot N, Miller F, Baron-Van Evercooren A, Couraud P, Cazaubon S
    J Neuroimmunol, 0;223(1):131-4.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization


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