Mouse IL-15 Antibody

(6 citations)   
  • Species Reactivity
    Mouse
  • Specificity
    Detects mouse IL-15 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 15% cross-reactivity with recombinant human IL‑15 is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant mouse IL-15
    Asn49-Ser162
    Accession # P48346
  • 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.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.1 µg/mL
    Recombinant Mouse IL‑15 (Catalog # 447-ML)
  • Immunohistochemistry
    5-15 µg/mL
    See below
  • Neutralization
    Measured by its ability to neutralize IL‑15-induced proliferation in the CTLL‑2 mouse cytotoxic T cell line. Avanzi, G. et al. (1988) Br. J. Haematol. 69:359. The Neutralization Dose (ND50) is typically 0.4-2.4 µg/mL in the presence of 30 ng/mL Recombinant Mouse IL‑15.
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
Cell Proliferation Induced by IL‑15 and Neutralization by Mouse IL‑15 Antibody. Recombinant Mouse IL‑15 (Catalog # 447-ML) stimulates proliferation in the CTLL‑2 mouse cytotoxic T cell line in a dose-dependent manner (orange line) as measured by Resazurin (Catalog # AR002). Proliferation elicited by Recombinant Mouse IL‑15 (30 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Mouse IL‑15 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF447). The ND50 is typically 0.4-2.4 µg/mL.
Immunohistochemistry
IL‑15 in Mouse Intestine. IL‑15 was detected in immersion fixed frozen sections of mouse intestine (Peyer patch) using Goat Anti-Mouse IL‑15 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF447) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Specific labeling was localized to the cytoplasm of lymphocytes in villi. View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.
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: IL-15
Interleukin 15 (IL-15) is a widely expressed 14 kDa cytokine that is structurally and functionally related to IL-2 (1-3). Mature mouse IL-15 shares 70% and 96% amino acid sequence identity with human and rat IL-15, respectively. Alternate splicing generates isoforms of IL-15 with either a long or short signal peptide (LSP or SSP), and the SSP isoform is retained intracellularly (4). IL-15 binds with high affinity to IL-15 R alpha (5). 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 (1, 6). IL-15 associates with IL-15 R alpha in the endoplasmic reticulum, and this complex is expressed on the cell surface (7, 8). 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 (9). This enables cells to respond to IL-15 even if they do not express IL-15 R alpha (8, 10). Soluble IL-15-binding forms of IL-15 R alpha can be generated by proteolytic shedding or alternate splicing (11-13). These molecules retain the ability to bind tightly to IL-15 and can either inhibit or augment IL-15 function (5, 12, 13). Consistent with its shared use of IL-2 receptor subunits, IL-15 induces IL-2-like effects in lymphocyte development and homeostasis (3). It is particularly important for the maintenance and activation of NK cells and CD8+ memory T cells (3). IL-15 also exerts pleiotropic effects on other hematopoietic cells and non-immune cells (2). Ligation of membrane-associated IL-15/IL-15 R alpha complexes induces reverse signaling that promotes cellular adhesion, tyrosine phosphorylation of intracellular proteins, and cytokine secretion by the IL-15/IL-15 R alpha expressing cells (14, 15).
  • References:
    1. Grabstein, K. et al. (1994) Science 264:965.
    2. Budagian, V. et al. (2006) Cytokine Growth Factor Rev. 17:259.
    3. Ma, A. et al. (2006) Annu. Rev. Immunol. 24:657.
    4. Tagaya, Y. et al. (1997) Proc. Natl. Acad. Sci. USA 94:14444.
    5. Giri, J.G. et al. (1995) EMBO 14:3654.
    6. Giri, J. et al. (1994) EMBO J. 13:2822.
    7. Duitman, E.H. et al. (2008) Mol. Cell. Biol. 28:4851.
    8. Dubois, S. et al. (2002) Immunity 17:537.
    9. Stonier, S.W. and K.S. Schluns (2010) Immunol. Lett. 127:85.
    10. Burkett, P.R. et al. (2004) J. Exp. Med. 200:825.
    11. Budagian, V. et al. (2004) J. Biol. Chem. 279:40368.
    12. Mortier, E. et al. (2004) J. Immunol. 173:1681.
    13. Bulanova, E. et al. (2007) J. Biol. Chem. 282:13167.
    14. Budagian, V. et al. (2004) J. Biol. Chem. 279:42192.
    15. Neely, G.G. et al. (2004) J. Immunol. 172:4225.
  • Long Name:
    Interleukin 15
  • Entrez Gene IDs:
    3600 (Human); 16168 (Mouse); 25670 (Rat); 493682 (Feline)
  • Alternate Names:
    IL15; IL-15; IL-15MGC9721; interleukin 15; interleukin-15
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.

6 Citations: Showing 1 - 6
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Species
Applications
Sample Type
  1. ESAT-6-dependent cytosolic pattern recognition drives noncognate tuberculosis control in vivo
    Authors: A Kupz, U Zedler, M Stäber, C Perdomo, A Dorhoi, R Brosch, SH Kaufmann
    J Clin Invest, 2016;0(0):.
    Species: Mouse
    Sample Type: In Vivo
    Application: Neut
  2. Transcription factor KLF2 regulates homeostatic NK cell proliferation and survival
    Authors: W Rabacal, SK Pabbisetty, KL Hoek, D Cendron, Y Guo, D Maseda, E Sebzda
    Proc Natl Acad Sci USA, 2016;0(0):.
    Species: Mouse
    Sample Type: Whole Tissue
    Application: IHC - Frozen
  3. Combination of TACI-IgG and anti-IL-15 treats murine lupus by reducing mature and memory B cells.
    Authors: Ma N, Xiao H, Marrero B, Xing C, Wang X, Zheng M, Han G, Chen G, Hou C, Shen B, Li Y, Wang R, Jiang Z
    Cell Immunol, 2014;289(1):140-4.
    Species: Mouse
    Sample Type: In Vivo
    Application: Neut
  4. Blockade of IL-15 activity inhibits microglial activation through the NFkappaB, p38, and ERK1/2 pathways, reducing cytokine and chemokine release.
    Authors: Gomez-Nicola D, Valle-Argos B, Nieto-Sampedro M
    Glia, 2010;58(3):264-76.
    Species: Mouse
    Sample Type: Whole Cells
    Application: ICC
  5. IL-15Ralpha chaperones IL-15 to stable dendritic cell membrane complexes that activate NK cells via trans presentation.
    Authors: Mortier E, Woo T, Advincula R, Gozalo S, Ma A
    J. Exp. Med., 2008;205(5):1213-25.
    Species: Mouse
    Sample Type: Cell Lysates
    Application: ELISA Development
  6. A GMCSF and IL-15 fusokine leads to paradoxical immunosuppression in vivo via asymmetrical JAK/STAT signaling through the IL-15 receptor complex.
    Authors: Rafei M, Wu JH, Annabi B, Lejeune L, Francois M, Galipeau J
    Blood, 2007;109(5):2234-42.
    Species: Mouse
    Sample Type: Cell Culture Supernates
    Application: WB
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