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Recombinant Human IL-15 Protein

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Summary
Product Discontinued
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    • Catalog Number
      247-IL
    • Availability
      Product Discontinued

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Recombinant Human IL-15 Protein Summary

Details of Functionality
Measured in a cell proliferation assay using MO7e human megakaryocytic leukemic cells. The ED50 for this effect is typically 0.3-2.6 ng/mL.
The specific activity of Recombinant Human IL-15 is approximately 4.5 x 105 U/μg, which is calibrated against recombinant human IL-15 WHO International Standard (NIBSC code: 95/554).
Source
E. coli-derived human IL-15 protein
Asn49-Ser162
Accession #
N-terminal Sequence
Asn49
Protein/Peptide Type
Recombinant Proteins
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
12.5 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.
Publications
Read Publications using
247-IL in the following applications:

Packaging, Storage & Formulations

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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 50 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

Notes

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

Alternate Names for Recombinant Human IL-15 Protein

  • IL15
  • IL-15
  • IL-15MGC9721
  • interleukin 15
  • interleukin-15

Background

Interleukin 15 (IL-15) is a widely expressed 14 kDa cytokine that is structurally and functionally related to IL-2 and plays an important role in many immunological diseases (1, 2). Mature human IL-15 shares 70% amino acid sequence identity with mouse and rat IL-15. Alternative splicing generates isoforms of IL-15 with either a long or short signal peptide (LSP or SSP), and the SSP isoform is retained intracellularly (3). IL-15 binds with high affinity to IL-15 R alpha (4). It binds with lower affinity to a complex of IL-2 R beta and the common gamma chain ( gamma c) which are also subunits of the IL-2 receptor complex (5). IL-15 associates with IL-15 R alpha in the endoplasmic reticulum, and this complex is expressed on the cell surface (6). The dominant mechanism of IL-15 action is known as transpresentation in which IL-15 and IL-15 R alpha are coordinately expressed on the surface of one cell and interact with complexes of IL-2 R beta / gamma c on adjacent cells (7). This enables cells to respond to IL-15 even if they do not express IL-15 R alpha (6). In human and mouse, soluble IL-15-binding forms of IL-15 R alpha can be generated by proteolytic shedding and bind up nearly all the IL-15 in circulation (8-10). Soluble IL-15 R alpha functions as an inhibitor that limits IL-15 action (4, 9). Ligation of membrane-associated IL-15/IL-15 R alpha complexes also induces reverse signaling that promotes activation of the IL-15/IL-15 R alpha expressing cells (11). IL-15 induces or enhances the differentiation, maintenance, or activation of multiple T cell subsets including NK, NKT, Th17, Treg, and CD8+ memory cells (12-16). An important component of these functions is the ability of IL‑15 to induce dendritic cell differentiation and inflammatory activation (11, 14). IL-15 exhibits anti-tumor activity independent of its actions on NK cells or CD8+ T cells (17). It also inhibits the deposition of lipid in adipocytes, and its circulating levels are decreased in obesity (18).
  1. De Sabatino, A. et al. (2011) Cytokine Growth Factor Rev. 22:19.
  2. Grabstein, K. et al. (1994) Science 264:965.
  3. Tagaya, Y. et al. (1997) Proc. Natl. Acad. Sci. USA 94:14444.
  4. Giri, J.G. et al. (1995) EMBO J. 14:3654.
  5. Giri, J. et al. (1994) EMBO J. 13:2822.
  6. Dubois, S. et al. (2002) Immunity 17:537.
  7. Castillo, E.F. and K.S. Schluns (2012) Cytokine 59:479.
  8. Budagian, V. et al. (2004) J. Biol. Chem. 279:40368.
  9. Mortier, E. et al. (2004) J. Immunol. 173:1681.
  10. Bergamaschi, C. et al. (2012) Blood 120:e1.
  11. Budagian, V. et al. (2004) J. Biol. Chem. 279:42192.
  12. Mortier, E. et al. (2003) J. Exp. Med. 205:1213.
  13. Gordy, L.E. et al. (2011) J. Immunol. 187:6335.
  14. Harris, K.M. (2011) J. Leukoc. Biol. 90:727.
  15. Xia, J. et al. (2010) Clin. Immunol. 134:130.
  16. Schluns, K.S. et al. (2002) J. Immunol. 168:4827.
  17. Davies, E. et al. (2010) J. Leukoc. Biol. 88:529.
  18. Barra, N.G. et al. (2010) Obesity 18:1601.

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Publications for IL-15 (247-IL)(161)

We have publications tested in 6 confirmed species: Human, Mouse, Bovine, Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque), Primate - Macaca mulatta (Rhesus Macaque), Xenograft.

We have publications tested in 7 applications: Bioassay, CAR-T (Bioassay), Cell Culture, ELISA (Standard), Flow Cytometry, In Vivo, Western Blot.


Filter By Application
Bioassay
(133)
CAR-T (Bioassay)
(3)
Cell Culture
(17)
ELISA (Standard)
(3)
Flow Cytometry
(1)
In Vivo
(4)
Western Blot
(1)
All Applications
Filter By Species
Human
(142)
Mouse
(11)
Bovine
(1)
Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque)
(1)
Primate - Macaca mulatta (Rhesus Macaque)
(2)
Xenograft
(1)
All Species
Showing Publications 1 - 10 of 161. Show All 161 Publications.
Publications using 247-IL Applications Species
T Tate, S Matsumoto, K Nemoto, M Leisegang, S Nagayama, K Obama, Y Nakamura, K Kiyotani Identification of T Cell Receptors Targeting a Neoantigen Derived from Recurrently Mutated FGFR3 Cancers, 2023-02-06;15(4):. 2023-02-06 [PMID: 36831375] (Bioassay, Human) Bioassay Human
YS Michaels, JM Edgar, MC Major, EL Castle, C Zimmerman, T Yin, A Hagner, C Lau, HH Hsu, MI Ibañez-Rio, LJ Durland, DJHF Knapp, PW Zandstra DLL4 and VCAM1 enhance the emergence of T cell-competent hematopoietic progenitors from human pluripotent stem cells Science Advances, 2022-08-24;8(34):eabn5522. 2022-08-24 [PMID: 36001668] (Bioassay, Human) Bioassay Human
F Nadeu, R Royo, R Massoni-Ba, H Playa-Albi, B Garcia-Tor, M Duran-Ferr, KJ Dawson, M Kulis, A Diaz-Navar, N Villamor, JL Melero, V Chapapriet, A Dueso-Barr, J Delgado, R Moia, S Ruiz-Gil, D Marchese, A Giró, N Verdaguer-, M Romo, G Clot, M Rozman, G Frigola, A Rivas-Delg, T Baumann, M Alcoceba, M González, F Climent, P Abrisqueta, J Castellví, F Bosch, M Aymerich, A Enjuanes, S Ruiz-Gaspà, A López-Guil, P Jares, S Beà, S Capella-Gu, JL Gelpí, N López-Biga, D Torrents, PJ Campbell, I Gut, D Rossi, G Gaidano, XS Puente, PM Garcia-Rov, D Colomer, H Heyn, F Maura, JI Martín-Sub, E Campo Detection of early seeding of Richter transformation in chronic lymphocytic leukemia Nature Medicine, 2022-08-11;28(8):1662-1671. 2022-08-11 [PMID: 35953718] (Bioassay, Human) Bioassay Human
K Hagemann, K Riecken, JM Jung, H Hildebrand, S Menzel, MJ Bunders, B Fehse, F Koch-Nolte, F Heinrich, S Peine, J Schulze Zu, TT Brehm, MM Addo, M Lütgehetma, M Altfeld Natural killer cell-mediated ADCC in SARS-CoV-2-infected individuals and vaccine recipients European Journal of Immunology, 2022-04-22;0(0):. 2022-04-22 [PMID: 35416291] (Bioassay, Human) Bioassay Human
TH Chu, MC Vo, TJ Lakshmi, SY Ahn, M Kim, GY Song, DH Yang, JS Ahn, HJ Kim, SH Jung, JJ Lee Novel IL-15 dendritic cells have a potent immunomodulatory effect in immunotherapy of multiple myeloma Translational Oncology, 2022-04-09;20(0):101413. 2022-04-09 [PMID: 35413499] (Bioassay, Human) Bioassay Human
P Sekhri, DK Ledezma, A Shukla, EE Sweeney, R Fernandes The Thermal Dose of Photothermal Therapy Generates Differential Immunogenicity in Human Neuroblastoma Cells Cancers, 2022-03-11;14(6):. 2022-03-11 [PMID: 35326601] (Cell Culture, Human) Cell Culture Human
HC Liang, M Costanza, N Prutsch, MW Zimmerman, E Gurnhofer, IA Montes-Moj, BJ Abraham, N Prokoph, S Stoiber, S Tangermann, C Lobello, J Oppelt, I Anagnostop, T Hielscher, S Pervez, W Klapper, F Zammarchi, DA Silva, KC Garcia, D Baker, M Janz, N Schleussne, F Fend, Š Pospíšilov, A Janiková, J Wallwitz, D Stoiber, I Simonitsch, L Cerroni, S Pileri, L de Leval, D Sibon, V Fataccioli, P Gaulard, C Assaf, F Knörr, C Damm-Welk, W Woessmann, SD Turner, AT Look, S Mathas, L Kenner, O Merkel Super-enhancer-based identification of a BATF3/IL-2R-module reveals vulnerabilities in anaplastic large cell lymphoma Nature Communications, 2021-09-22;12(1):5577. 2021-09-22 [PMID: 34552066] (Cell Culture, Human) Cell Culture Human
M Pino, S Pereira Ri, A Pagliuzza, K Ghneim, A Khan, E Ryan, JL Harper, CT King, S Welbourn, L Micci, S Aldrete, KA Delman, T Stuart, M Lowe, JM Brenchley, CA Derdeyn, K Easley, RP Sekaly, N Chomont, M Paiardini, VC Marconi Increased homeostatic cytokines and stability of HIV-infected memory CD4 T-cells identify individuals with suboptimal CD4 T-cell recovery on-ART PloS Pathogens, 2021-08-27;17(8):e1009825. 2021-08-27 [PMID: 34449812] (Bioassay, Human) Bioassay Human
G David, C Willem, N Legrand, Z Djaoud, P Mérieau, A Walencik, T Guillaume, K Gagne, P Chevallier, C Retière Deciphering the biology of KIR2DL3+ T lymphocytes that are associated to relapse in haploidentical HSCT Scientific Reports, 2021-08-04;11(1):15782. 2021-08-04 [PMID: 34349169] (Bioassay, Human) Bioassay Human
AS Bear, T Blanchard, J Cesare, MJ Ford, LP Richman, C Xu, ML Baroja, S McCuaig, C Costeas, K Gabunia, J Scholler, AD Posey, MH O'Hara, A Smole, DJ Powell, BA Garcia, RH Vonderheid, GP Linette, BM Carreno Biochemical and functional characterization of mutant KRAS epitopes validates this oncoprotein for immunological targeting Nature Communications, 2021-07-16;12(1):4365. 2021-07-16 [PMID: 34272369] (Bioassay, Human) Bioassay Human
Show All 161 Publications.

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