Recombinant Human IL-13 Protein


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Reactivity HuSpecies Glossary
Applications Bioactivity

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Recombinant Human IL-13 Protein Summary

Details of Functionality
Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 0.5-2.5 ng/mL.
E. coli-derived human IL-13 protein
Accession #
N-terminal Sequence
Protein/Peptide Type
Recombinant Proteins
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.01 EU per 1 μg of the protein by the LAL method.


Theoretical MW
12.3 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
9 kDa, reducing conditions
Reviewed Applications
Read 2 Reviews rated 5
213-ILB in the following application:

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213-ILB in the following applications:

Packaging, Storage & Formulations

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.
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 100 μg/mL in PBS containing at least 0.1% human or bovine serum albumin.


This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human IL-13 Protein

  • ALRHMGC116789
  • BHR1interleukin-13
  • IL13
  • IL-13
  • IL-13MGC116788
  • interleukin 13
  • MGC116786
  • NC30
  • P600


Interleukin-13 (IL-13) is a monomeric 17 kDa immunoregulatory cytokine that plays a key role in the pathogenesis of allergy, cancer, and tissue fibrosis. It is secreted by several helper T cell subsets, NK cells, mast cells, eosinophils, basophils, and visceral smooth muscle cells (1‑3). Mature human IL-13 shares approximately 58% amino acid sequence identity with mouse and rat IL-13. Despite the low homology, it exhibits cross‑species activity between human, mouse, and rat (4). IL-13 suppresses the production of proinflammatory cytokines and other cytotoxic substances by macrophages, fibroblasts, and endothelial cells. On B cells, it promotes cellular activation, immunoglobulin class switching to IgE, and the up‑regulation of CD23/Fc epsilon RII (1, 5). IL-13 binds with low affinity to the transmembrane IL-13 R alpha 1 which then forms a signaling complex with the transmembrane IL-4 R alpha (6‑8). This high affinity receptor complex also functions as the type 2 IL-4 receptor (6, 7). IL‑13 R alpha 2 inhibits responses to both IL-13 and IL-4. It binds IL-13 with high affinity (9, 10) and prevents IL-13 from signaling through the IL-13 R alpha 1/IL-4 R alpha complex (11, 12). It also blocks signaling through IL-4-occupied IL-13 R alpha 1/IL-4 R alpha receptor complexes (12, 13). In addition, IL-13-bound IL-13 R alpha 2 can directly promote tumor cell invasiveness and the development of tissue fibrosis (14‑16).
  1. Saggini, A. et al. (2011) Int. J. Immunopathol. Pharmacol. 24:305.
  2. Gallo, E. et al. (2012) Eur. J. Immunol. 42:2322.
  3. Liang, H.E. et al. (2012) Nat. Immunol. 13:58.
  4. Ruetten, H. and C. Thiemermann (1997) Shock 8:409.
  5. McKenzie, A.N. et al. (1993) Proc. Natl. Acad. Sci. USA 90:3735.
  6. Aman, M.J. et al. (1996) J. Biol. Chem. 271:29265.
  7. Zurawski, S.M. et al. (1995) J. Biol. Chem. 270:13869.
  8. Andrews, A.L. et al. (2002) J. Biol. Chem. 277:46073.
  9. Chen, W. et al. (2009) J. Immunol. 183:7870.
  10. Daines, M.O. et al. (2007) J. Allergy Clin. Immunol. 119:375.
  11. Kasaian, M.T. et al. (2011) J. Immunol. 187:561.
  12. Andrews, A.-L. et al. (2006) J. Allergy Clin. Immunol. 118:858.
  13. Rahaman, S.O. et al. (2002) Cancer Res. 62:1103.
  14. Fujisawa, T. et al. (2009) Cancer Res. 69:8678.
  15. Fujisawa, T. et al. (2011) Int. J. Cancer 131:344.
  16. Fichtner-Feigl, S. et al. (2006) Nat. Med. 12:99.

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Publications for IL-13 (213-ILB)(64)

We have publications tested in 2 confirmed species: Human, N/A.

We have publications tested in 3 applications: Bioassay, ELISA (Standard), Neutralization.

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Showing Publications 1 - 10 of 64. Show All 64 Publications.
Publications using 213-ILB Applications Species
G Cantero-Re, CM Butnaru, N Brouwers, S Mitrovic, MA Valverde, V Malhotra Sodium channel TRPM4 and sodium/calcium exchangers (NCX) cooperate in the control of Ca2+-induced mucin secretion from goblet cells J. Biol. Chem., 2018;0(0):. 2018 [PMID: 30482841] (Bioassay, Human) Bioassay Human
L She, Y Qin, J Wang, C Liu, G Zhu, G Li, M Wei, C Chen, G Liu, D Zhang, X Chen, Y Wang, Y Qiu, Y Tian, X Zhang, Y Liu, D Huang Tumor-associated macrophages derived CCL18 promotes metastasis in squamous cell carcinoma of the head and neck Cancer Cell Int., 2018;18(0):120. 2018 [PMID: 30181713] (Bioassay, Human) Bioassay Human
SR Kim, JM Lewis, BM Cyrenne, PF Monico, FN Mirza, KR Carlson, FM Foss, M Girardi BET inhibition in advanced cutaneous T cell lymphoma is synergistically potentiated by BCL2 inhibition or HDAC inhibition Oncotarget, 2018;9(49):29193-29207. 2018 [PMID: 30018745] (Bioassay, Human) Bioassay Human
G Genard, AC Wera, C Huart, B Le Calve, S Penninckx, A Fattacciol, T Tabarrant, C Demazy, N Ninane, AC Heuskin, S Lucas, C Michiels Proton irradiation orchestrates macrophage reprogramming through NF?B signaling Cell Death Dis, 2018;9(7):728. 2018 [PMID: 29950610] (Bioassay, Human) Bioassay Human
Y Ito, R Al Mubarak, N Roberts, K Correll, W Janssen, J Finigan, R Mishra, HW Chu IL-13 induces periostin and eotaxin expression in human primary alveolar epithelial cells: Comparison with paired airway epithelial cells PLoS ONE, 2018;13(4):e0196256. 2018 [PMID: 29672593] (Bioassay, Human) Bioassay Human
EY Huang, JC Chang, HH Chen, CY Hsu, HC Hsu, KL Wu Carcinoembryonic antigen as a marker of radioresistance in colorectal cancer: a potential role of macrophages BMC Cancer, 2018;18(1):321. 2018 [PMID: 29580202] (Bioassay, Human) Bioassay Human
E Berdyshev, E Goleva, I Bronova, N Dyjack, C Rios, J Jung, P Taylor, M Jeong, CF Hall, BN Richers, KA Norquest, T Zheng, MA Seibold, DY Leung Lipid abnormalities in atopic skin are driven by type 2 cytokines JCI Insight, 2018;3(4):. 2018 [PMID: 29467325] (Bioassay, Human) Bioassay Human
R Bruen, S Curley, S Kajani, D Crean, ME O'Reilly, MB Lucitt, CG Godson, FC McGillicud, O Belton Liraglutide dictates macrophage phenotype in apolipoprotein E null mice during early atherosclerosis Cardiovasc Diabetol, 2017;16(1):143. 2017 [PMID: 29110715] (Bioassay, Human) Bioassay Human
Y Wang, JB Mumm, R Herbst, R Kolbeck, Y Wang IL-22 Increases Permeability of Intestinal Epithelial Tight Junctions by Enhancing Claudin-2 Expression J. Immunol., 2017;0(0):. 2017 [PMID: 28939759] (Bioassay, Human) Bioassay Human
J Zeitvogel, N Jokmin, S Rieker, I Klug, C Brandenber, T Werfel GATA3 regulates FLG and FLG2 expression in human primary keratinocytes Sci Rep, 2017;7(1):11847. 2017 [PMID: 28928464] (Bioassay, Human) Bioassay Human
Show All 64 Publications.

Reviews for IL-13 (213-ILB) (2) 52

Average Rating: 5
(Based on 2 reviews)

Reviews using 213-ILB:
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 IL-13 213-ILB
reviewed by:


CommentsCells supplied with 20ng/ml IL-4 and 100ng/ml of GM-CSF to differentiate dendritic cells
Cell Proliferation IL-13 213-ILB
reviewed by:
CellProlif 10/07/2018


ApplicationCell Proliferation


CommentsCells were supplied with the cytokinetreatments: 50 ng /ml GM-CSF and 10 ng/ ml1 of IL-13 to differentiate DC cells

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Cell death via apoptosis is a fundamental cellular function triggered by the cell death receptor family and their ligands which signal through downstream adaptor molecules and the caspase protease family. All caspases exist in a precursor form compose...  Read full blog post.

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Recent Reviews



Application: CellProlif


Gene Symbol IL13