Human CXCL11/I-TAC Antibody

Catalog # Availability Size / Price Qty
Chemotaxis Induced by CXCL11/I‑TAC and Neutralization by Human CXCL11/I‑TAC Antibody.
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Product Details
Citations (8)
Supplemental Products

Human CXCL11/I-TAC Antibody Summary

Species Reactivity
Detects human CXCL11/I-TAC in ELISAs and Western blots. In ELISAs, this antibody does not cross-react with recombinant human (rh) CXCL5, 7, 8, 9, or 10. In Western blots, this antibody shows less than 1% cross-reactivity with rhCXCL1, 2, 3, 5, 6, 7, IL-8/CXCL8, 9, 10, 13, CXCL12/SDF-1 alpha, CXCL12/SDF-1 beta, rmCXCL1, 2, 6, 9, 10, CXCL12/SDF-1 alpha, rmCXCL13, rrCXCL1, CXCL3/CINC-2 alpha, CXCL3/CINC-2 beta, or rpIL-8/CXCL8.
Monoclonal Mouse IgG2A Clone # 87328
Protein A or G purified from ascites
E. coli-derived recombinant human CXCL11/I-TAC
Accession # O14625
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
Western Blot
1 µg/mL
Recombinant Human CXCL11/I-TAC (Catalog # 672-IT)

Human CXCL11/I-TAC Sandwich Immunoassay

Recommended Concentration
ELISA Capture (Matched Antibody Pair)
2-8 µg/mL 

Use in combination with:

Detection Reagent: Human CXCL11/I-TAC Biotinylated Antibody (Catalog # BAF672)

Standard: Recombinant Human CXCL11/I-TAC Protein (Catalog # 672-IT)

Measured by its ability to neutralize CXCL11/I‑TAC-induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with human CXCR3. The Neutralization Dose (ND50) is typically 0.2-0.8 µg/mL in the presence of 15 ng/mL Recombinant Human CXCL11/I‑TAC.

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 CXCL11/I‑TAC and Neutralization by Human CXCL11/I‑TAC Antibody. View Larger

Chemotaxis Induced by CXCL11/I‑TAC and Neutralization by Human CXCL11/I‑TAC Antibody. Recombinant Human CXCL11/I‑TAC (Catalog # 672-IT) chemoattracts the BaF3 mouse pro‑B cell line transfected with human CXCR3 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 CXCL11/I‑TAC (15 ng/mL) is neutralized (green line) by increasing concentrations of Human CXCL11/I-TAC Monoclonal Antibody (Catalog # MAB672). The ND50 is typically 0.2-0.8 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: CXCL11/I-TAC

CXCL11, also known as I-TAC, SCYB9B, H174 and beta -R1, is a non-ELR CXC chemokine. CXCL11 cDNA encodes a 94 amino acid (aa) residue precursor protein with a 21 aa residue putative signal sequence, which is cleaved to form the mature 73 aa residue protein. CXCL11 shares 36% and 37% amino acid sequence homology with IP-10 and MIG (two other known human non-ELR CXC chemokines), respectively. CXCL11 is expressed at low levels in normal tissues including thymus, spleen, and pancreas. The expression of CXCL11 mRNA is radically up regulated in IFN-gamma and IL-1 stimulated astrocytes. Moderate increase in expression is also observed in stimulated monocytes. CXCL11 has potent chemoattractant activity for IL-2 activated T cells and transfected cell lines expressing CXCR3 but not freshly isolated T cells, neutrophils, or monocytes. The gene encoding CXCL11 has been mapped to chromosome 4.

  1. Cole, K. et al. (1998) J. Exp. Med. 187:2009.
  2. Sandhya Rani, M. et al. (1996) J. Biol. Chem. 271:22878.
  3. Lou, Y. et al. (1998) J. Neurovirol. 4:575.
Entrez Gene IDs
6373 (Human); 56066 (Mouse)
Alternate Names
beta-R1; b-R1; chemokine (C-X-C motif) ligand 11; CXCL11; H174; H174IP9; Interferon gamma-inducible protein 9; Interferon-inducible T-cell alpha chemoattractant; IP-9member 11; ITAC; I-TAC; I-TACMGC102770; SCYB9B; small inducible cytokine subfamily B (Cys-X-Cys), member 9B; Small-inducible cytokine B11

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Citations for Human CXCL11/I-TAC 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.

8 Citations: Showing 1 - 8
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  1. Blockade of Immune Checkpoint B7-H4 and Lysine Demethylase 5B in Esophageal Squamous Cell Carcinoma Confers Protective Immunity against P. gingivalis Infection
    Authors: X Yuan, Y Liu, G Lee, Z Lan, M Ma, H Lee, J Kong, J Sun, G Hou, X Hou, Y Ma, F Ren, F Zhou, S Gao
    Cancer Immunol Res, 2019;0(0):.
    Species: Human
    Sample Types: Cell Culture Supernates
    Applications: Bioassay
  2. Intracellular coexpression of CXC- and CC- chemokine receptors and their ligands in human melanoma cell lines and dynamic variations after xenotransplantation.
    Authors: Pinto S, Martinez-Romero A, O'Connor J, Gil-Benso R, San-Miguel T, Terradez L, Monteagudo C, Callaghan R
    BMC Cancer, 2014;14(0):118.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  3. Expression of CXCL9, -10, -11, and CXCR3 in the tear film and ocular surface of patients with dry eye syndrome.
    Authors: Yoon KC, Park CS, You IC, Choi HJ, Lee KH, Im SK, Park HY, Pflugfelder SC
    Invest. Ophthalmol. Vis. Sci., 2010;51(2):643-50.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P
  4. Distinct roles for CCR4 and CXCR3 in the recruitment and positioning of regulatory T cells in the inflamed human liver.
    Authors: Oo YH, Weston CJ, Lalor PF, Curbishley SM, Withers DR, Reynolds GM, Shetty S, Harki J, Shaw JC, Eksteen B, Hubscher SG, Walker LS, Adams DH
    J. Immunol., 2010;184(6):2886-98.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  5. Down-modulation of CXCR3 surface expression and function in CD8+ T cells from cutaneous T cell lymphoma patients.
    Authors: Winter D, Moser J, Kriehuber E, Wiesner C, Knobler R, Trautinger F, Bombosi P, Stingl G, Petzelbauer P, Rot A, Maurer D
    J. Immunol., 2007;179(6):4272-82.
    Species: Human
    Sample Types: Serum
    Applications: Immunodepletion
  6. CXCR 3 activation promotes lymphocyte transendothelial migration across human hepatic endothelium under fluid flow.
    Authors: Curbishley SM, Eksteen B, Gladue RP, Lalor P, Adams DH
    Am. J. Pathol., 2005;167(3):887-99.
    Species: Human
    Sample Types: Tissue Homogenates
    Applications: Western Blot
  7. Plasmacytoid dendritic cell recruitment by immobilized CXCR3 ligands.
    Authors: Kohrgruber N, Groger M, Meraner P, Kriehuber E, Petzelbauer P, Brandt S, Stingl G, Rot A, Maurer D
    J. Immunol., 2004;173(11):6592-602.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC
  8. Enhanced generation of helper T type 1 and 2 chemokines in allergen-induced asthma.
    Authors: Liu L, Jarjour NN, Busse WW, Kelly EA
    Am. J. Respir. Crit. Care Med., 2004;169(10):1118-24.
    Species: Human
    Sample Types: BALF
    Applications: ELISA Development


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