Mouse IL-2 Antibody

(1 citations)   
  • Species Reactivity
    Mouse
  • Specificity
    Detects mouse IL-2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 5-10% cross-reactivity with recombinant human IL-2 is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Protein A or G purified
  • Immunogen
    E. coli-derived recombinant mouse IL-2
    Ala21-Gln169
    Accession # P04351
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    Recombinant Mouse IL‑2 (Catalog # 402-ML)
  • Neutralization
    Measured by its ability to neutralize IL‑2-induced proliferation in the CTLL‑2 mouse cytotoxic T cell line [Gearing, A.J.H. and C.B. Bird (1987) in Lymphokines and Interferons, A Practical Approach. Clemens, M.J. et al. (eds): IRL Press. 276]. The Neutralization Dose (ND50) is typically 2-8 µg/mL in the presence of 2 ng/mL Recombinant Mouse IL‑2.
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‑2 and Neutralization by Mouse IL‑2 Antibody. Recombinant Mouse IL‑2 (Catalog # 402-ML) stimulates proliferation in the CTLL‑2 mouse cytotoxic T cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Mouse IL‑2 (2 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Mouse IL‑2 Polyclonal Antibody (Catalog # AB-402-NA). The ND50 is typically 2-8 µg/mL.
Preparation and Storage
  • Reconstitution
    Reconstitute at 1 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it 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.
Background: IL-2

Interleukin-2 (IL-2) is a O-glycosylated four alpha -helix bundle cytokine that has potent stimulatory activity for antigen-activated T cells. It is expressed by CD4+ and CD8+ T cells, gamma δ T cells, B cells, dendritic cells, and eosinophils (1‑3). Mature mouse IL-2 shares 56% and 73% aa sequence identity with human and rat IL-2, respectively. It shows strain-specific heterogeneity in an N-terminal region that contains a poly-glutamine stretch (4). Mouse and human IL-2 exhibit cross-species activity (5). The receptor for IL-2 consists of three subunits that are present on the cell surface in varying preformed complexes (6‑8). The 55 kDa IL-2 R alpha is specific for IL-2 and binds with low affinity. The 75 kDa IL-2 R beta, which is also a component of the IL-15 receptor, binds IL-2 with intermediate affinity. The 64 kDa common gamma chain gamma c/IL-2 R gamma, which is shared with the receptors for IL-4, -7, -9, -15, and -21, does not independently interact with IL-2. Upon ligand binding, signal transduction is performed by both IL-2 R beta and gamma c. IL-2 is best known for its autocrine and paracrine activity on T cells. It drives resting T cells to proliferate and induces IL-2 and IL-2 R alpha synthesis (1, 2). It contributes to T cell homeostasis by promoting the Fas-induced death of naïve CD4+ T cells but not activated CD4+ memory lymphocytes (9). IL-2 plays a central role in the expansion and maintenance of regulatory T cells, although it inhibits the development of Th17 polarized cells (10‑12). Thus, IL-2 may be a key cytokine in the natural suppression of autoimmunity (13, 14).

  • References:
    1. Ma, A. et al. (2006) Annu. Rev. Immunol. 24:657.
    2. Gaffen, S.L. and K.D. Liu (2004) Cytokine 28:109.
    3. Kashima, N. et al. (1985) Nature 313:402.
    4. Matesanz, F. et al. (1993) Immunogenetics 38:300.
    5. Mosmann, T.R. et al. (1987) J. Immunol. 138:1813.
    6. Liparoto, S.F. et al. (2002) Biochemistry 41:2543.
    7. Wang, X. et al. (2005) Science 310:1159.
    8. Bodnar, A. et al. (2008) Immunol. Lett. 116:117.
    9. Jaleco, S. et al. (2003) J. Immunol. 171:61.
    10. Malek, T.R. (2003) J. Leukoc. Biol. 74:961.
    11. Laurence, A. et al. (2007) Immunity 26:371.
    12. Kryczek, I. et al. (2007) J. Immunol. 178:6730.
    13. Afzali, B. et al. (2007) Clin. Exp. Immunol. 148:32.
    14. Fehervari, Z. et al. (2006) Trends Immunol. 27:109.
  • Long Name:
    Interleukin 2
  • Entrez Gene IDs:
    3558 (Human); 16183 (Mouse); 116562 (Rat); 396868 (Porcine); 280822 (Bovine); 403989 (Canine); 100034204 (Equine); 751114 (Feline); 100302458 (Rabbit)
  • Alternate Names:
    aldesleukin; IL2; IL-2; IL-2lymphokine; interleukin 2; interleukin-2; involved in regulation of T-cell clonal expansion; T cell growth factor; T-cell growth factor; TCGF
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.

1 Citations: Showing 1 - 1

  1. Attenuation of autoimmune disease in Fas-deficient mice by treatment with a cytotoxic benzodiazepine.
    Authors: Bednarski JJ, Warner RE, Rao T
    Arthritis Rheum., 2003;48(3):757-66.
    Species: Mouse
    Sample Type: Whole Cells
    Application: ELISpot Development
Isotype Controls
Description Application Cat# Citations Images  

Normal Goat IgG Control

Ctrl AB-108-C 191  
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Secondary Antibodies
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Goat IgG HRP-conjugated Antibody

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Goat IgG HRP-conjugated Antibody

WB HAF017 15  
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Goat IgG (H+L) PE-conjugated Antibody

Flow F0107 4  
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Donkey Anti-Goat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL001 9
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Donkey Anti-Goat IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL003 5
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Goat IgG (H+L) APC-conjugated Antibody

Flow F0108 6  
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Goat IgG Horseradish Peroxidase-conjugated Antibody

WB HAF019 6  
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Donkey Anti-Goat IgG Antibody

WB AF109 6
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Donkey Anti-Goat IgG Biotinylated Antibody

WB BAF109 3
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Goat IgG VisUCyte HRP Polymer

IHC VC004  
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Goat IgG (H+L) Fluorescein-conjugated Antibody

Flow F0109 2  
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Donkey Anti-Goat IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL002
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Chicken Anti-Goat IgG Biotinylated Antibody

WB BAF019
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Rabbit Anti-Goat IgG Biotinylated Antibody

WB BAF017
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Rabbit Anti-Goat IgG (H+L) Affinity Purified PAb, X Absorbed

WB, ELISA R-401-C-ABS
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Donkey Anti-Goat IgG (H+L) PerCP-conjugated Antibody

Flow F0124
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