Key Product Details

Validated by

Biological Validation

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Intracellular Staining by Flow Cytometry

Cited:

Immunohistochemistry, Flow Cytometry

Label

Phycoerythrin (Excitation = 488 nm, Emission = 565-605 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # 34559
View all IL-15 Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human IL-15
Asn49-Ser162
Accession # P40933

Specificity

Detects human IL-15 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human (rh) IL-2, recombinant mouse IL-15, or rhIL-21 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human IL‑15 PE‑conjugated Antibody

Detection of IL-15 antibody in Human PBMCs antibody by Flow Cytometry.

Detection of IL-15 in Human PBMCs by Flow Cytometry.

Human peripheral blood mononuclear cells (PBMCs) treated with LPS were stained with Mouse Anti-Human IL-15 PE-conjugated Monoclonal Antibody (Catalog # IC2471P, filled histogram) or isotype control antibody (Catalog # IC002P, open histogram). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005). View our protocol for Staining Intracellular Molecules.

Applications for Human IL‑15 PE‑conjugated Antibody

Application
Recommended Usage

Intracellular Staining by Flow Cytometry

10 µL/106 cells
Sample: Human peripheral blood mononuclear cells (PBMCs) treated with LPS, fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005)

Reviewed Applications

Read 1 review rated 5 using IC2471P in the following applications:

Spectra Viewer

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Advanced Features

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified from ascites

Formulation

Supplied in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

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 human IL‑15 shares 70% amino acid sequence identity with mouse and rat IL-15. 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

P40933

Additional IL-15 Products

Product Documents for Human IL‑15 PE‑conjugated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human IL‑15 PE‑conjugated Antibody

For research use only

Citations for Human IL‑15 PE‑conjugated Antibody

Customer Reviews for Human IL‑15 PE‑conjugated Antibody (1)

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  • Name: Anonymous
    Application: Flow Cytometry
    Sample Tested: See PMID: 22841164
    Species: Mouse
    Verified Customer | Posted 01/27/2015

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FAQs for Human IL‑15 PE‑conjugated Antibody

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    • Q: What concentration of LPS was used to stimulate PBMCs prior to staining with Human IL-15 Antibody, Catalog #s MAB2471 and IC2471?
      A: PBMCs were stimulated overnight with 1 μg/mL LPS prior to staining with Human IL-15 Antibody. 3mM Monesin was added for the last 3-4 hours of stimulation.
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