Key Product Details

Species Reactivity

Validated:

Mouse

Cited:

Mouse

Applications

Validated:

Immunohistochemistry, Western Blot, Neutralization, Dual RNAscope ISH-IHC Compatible

Cited:

Immunohistochemistry, Immunohistochemistry-Frozen, Western Blot, Neutralization, Flow Cytometry, Immunocytochemistry, ELISA Development

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
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Product Specifications

Immunogen

E. coli-derived recombinant mouse IL-15
Asn49-Ser162
Accession # P48346

Specificity

Detects mouse IL-15 in direct ELISAs and Western blots. In direct ELISAs, approximately 15% cross-reactivity with recombinant human IL‑15 is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Endotoxin Level

<0.10 EU per 1 μg of the antibody by the LAL method.

Scientific Data Images for Mouse IL‑15 Antibody

Cell Proliferation Induced by IL‑15 and Neutralization by Mouse IL‑15 Antibody.

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.

IL‑15 antibody in Mouse Intestine by Immunohistochemistry (IHC-Fr).

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.

Detection of IL‑15 in Mouse Intestine.

Formalin-fixed paraffin-embedded tissue sections of mouse intestine were probed for IL-15 mRNA (ACD RNAScope Probe, catalog # 440651; Fast Red chromogen, ACD catalog # 322360). Adjacent tissue section was processed for immunohistochemistry using goat anti-mouse IL-15 polyclonal antibody (R&D Systems catalog # AF447) at 1ug/mL with overnight incubation at 4 degrees Celsius followed by incubation with anti-goat IgG VisUCyte HRP Polymer Antibody (Catalog # VC004) and DAB chromogen (yellow-brown). Tissue was counterstained with hematoxylin (blue). Specific staining was localized to glandular cells.

Detection of Mouse IL-15 by Western Blot

Detection of Mouse IL-15 by Western Blot

Eugenol promotes IL-15 level through TRPV1-mediated CaN/NFATc1 signaling pathway.C2C12 myotubes were treated by 0–200 eugenol for 1 day after 4 days of differentiation. (A) The effect of eugenol on Il15 mRNA expression in C2C12 myotubes. (B) The effect of eugenol on IL-15 protein expression in the C2C12 cell medium. Coomassie staining as loading control. (C, D) C2C12 myotubes were treated by 25 μM eugenol & 1 μM TRPV1 inhibitor AMG-517 or 0.5 μM calcineurin (CaN) inhibitor cyclosporine A (CsA) for 1 day after 4 days of differentiation. The mRNA & protein expression of IL-15. N=4 per group. One-way ANOVA test was used to determine statistical significance. *p<0.05, **p<0.01, & ***p<0.001.Figure 9—source data 1.IL-15 mRNA expression in C2C12 myotubes (Figure 9A).Figure 9—source data 2.Original files for the WB analysis (Figure 9B).Figure 9—source data 3.PDF containing Figure 9B & original scans of the relevant WB analysis, with cropped areas. Figure 9—source data 4.IL-15 mRNA expression in C2C12 myotubes (Figure 9C).Figure 9—source data 5.Original files for the WB analysis (Figure 9D).Figure 9—source data 6.PDF containing Figure 9D & original scans of the relevant WB analysis, with cropped areas.IL-15 mRNA expression in C2C12 myotubes (Figure 9A).Original files for the WB analysis (Figure 9B).PDF containing Figure 9B & original scans of the relevant WB analysis, with cropped areas.IL-15 mRNA expression in C2C12 myotubes (Figure 9C).Original files for the WB analysis (Figure 9D).PDF containing Figure 9D & original scans of the relevant WB analysis, with cropped areas. Representative immunofluorescence images of IL-15.IL-15 (green fluorescence) & 4,6-diamidino-2-phenylindole (DAPI) (blue fluorescence). Magnification: ×200. Image collected & cropped by CiteAb from the following open publication (https://elifesciences.org/articles/90724), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse IL-15 by Western Blot

Detection of Mouse IL-15 by Western Blot

Eugenol promotes the expression and secretion of IL-15 in skeletal muscle of mice. (E) The protein expression of slow myosin heavy chain (MyHC), fast MyHC, and IL-15. Image collected and cropped by CiteAb from the following open publication (https://elifesciences.org/articles/90724), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse IL-15 by Western Blot

Detection of Mouse IL-15 by Western Blot

The myokine IL-15 expression depends on CaN/NFATc1 signaling pathway. (B–D) C2C12 myotubes were treated by 0.5 μM A23187 and 0.5 μM cyclosporine A (CsA) for 16 hr after 2 days of differentiation. The protein expression of CnA, NFATc1, and IL-15. Image collected and cropped by CiteAb from the following open publication (https://elifesciences.org/articles/90724), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse IL-15 by Western Blot

Detection of Mouse IL-15 by Western Blot

Eugenol promotes IL-15 level through TRPV1-mediated CaN/NFATc1 signaling pathway.C2C12 myotubes were treated by 0–200 eugenol for 1 day after 4 days of differentiation. (A) The effect of eugenol on Il15 mRNA expression in C2C12 myotubes. (B) The effect of eugenol on IL-15 protein expression in the C2C12 cell medium. Coomassie staining as loading control. (C, D) C2C12 myotubes were treated by 25 μM eugenol & 1 μM TRPV1 inhibitor AMG-517 or 0.5 μM calcineurin (CaN) inhibitor cyclosporine A (CsA) for 1 day after 4 days of differentiation. The mRNA & protein expression of IL-15. N=4 per group. One-way ANOVA test was used to determine statistical significance. *p<0.05, **p<0.01, & ***p<0.001.Figure 9—source data 1.IL-15 mRNA expression in C2C12 myotubes (Figure 9A).Figure 9—source data 2.Original files for the WB analysis (Figure 9B).Figure 9—source data 3.PDF containing Figure 9B & original scans of the relevant WB analysis, with cropped areas. Figure 9—source data 4.IL-15 mRNA expression in C2C12 myotubes (Figure 9C).Figure 9—source data 5.Original files for the WB analysis (Figure 9D).Figure 9—source data 6.PDF containing Figure 9D & original scans of the relevant WB analysis, with cropped areas.IL-15 mRNA expression in C2C12 myotubes (Figure 9A).Original files for the WB analysis (Figure 9B).PDF containing Figure 9B & original scans of the relevant WB analysis, with cropped areas.IL-15 mRNA expression in C2C12 myotubes (Figure 9C).Original files for the WB analysis (Figure 9D).PDF containing Figure 9D & original scans of the relevant WB analysis, with cropped areas. Representative immunofluorescence images of IL-15.IL-15 (green fluorescence) & 4,6-diamidino-2-phenylindole (DAPI) (blue fluorescence). Magnification: ×200. Image collected & cropped by CiteAb from the following open publication (https://elifesciences.org/articles/90724), licensed under a CC-BY license. Not internally tested by R&D Systems.

Applications for Mouse IL‑15 Antibody

Application
Recommended Usage

Dual RNAscope ISH-IHC Compatible

5-15 µg/mL
Sample: Immersion fixed paraffin-embedded sections of mouse intestine

Immunohistochemistry

5-15 µg/mL
Sample: Perfusion fixed frozen sections of mouse intestine (Peyer patch)

Western Blot

0.1 µg/mL
Sample: Recombinant Mouse IL‑15 (Catalog # 447-ML)

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.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.


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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. See Certificate of Analysis for details.
*Small pack size (-SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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.

Calculators

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.

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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

Alternate Names

IL15

Entrez Gene IDs

3600 (Human); 16168 (Mouse); 25670 (Rat); 102119613 (Cynomolgus Monkey); 493682 (Feline)

Gene Symbol

IL15

UniProt

Additional IL-15 Products

Product Documents for Mouse IL‑15 Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Mouse IL‑15 Antibody

For research use only

Citations for Mouse IL‑15 Antibody

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Protocols

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