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IL-2 Antibody [Unconjugated]

 (5 Publications)
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Western blot shows lysates of monensin treated human peripheral blood mononuclear cells (PBMCs) with no additional treatment (-) or additionally treated (+) with 0.5 μg/mL calcium ionomycin (Iono) and 50 ng/mL PMA overnight. PVDF membrane was probed with 2 µg/mL of Goat Anti-Human/Rat IL-2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-502-NA) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (HAF017). A specific band was detected for IL-2 at approximately 14 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Western blot shows lysates of monensin treated human peripheral blood mononuclear cells (PBMCs) with no additional treatment (-) or additionally treated (+) with 0.5 μg/mL calcium ionomycin (Iono) and 50 ng/mL PMA ...read more
IL-2 was detected in immersion fixed rat splenocytes stimulated with calcium ionomycin and PMA using Goat Anti-Human/Rat IL-2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-502-NA) at 5 µg/mL for 3 hours ...read more
IL-2 was detected in immersion fixed frozen sections of rat spleen using Goat Anti-Human/Rat IL-2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-502-NA) at 5 µg/mL overnight at 4 °C. Tissue was stained ...read more
Recombinant Rat IL-2 (502-RL) stimulates proliferation in the CTLL-2 mouse cytotoxic T cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Rat IL-2 (2 ng/mL) is neutralized (green ...read more
IL‑2 was detected in immersion fixed paraffin-embedded sections of Human Tonsil using Goat Anti-Human/Rat IL‑2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-502-NA) at 3 µg/mL for ...read more

Product Details

Summary
Reactivity Hu, RtSpecies Glossary
Applications WB, IHC, B/N, ELISA(Cap), ICC/IF
Clonality
Polyclonal
Host
Goat
Conjugate
Unconjugated
Concentration
LYOPH

Order Details

View Available Conjugates
Catalog# & Conjugate Size Price
Biotin
BAF502
View Available Formulations
Catalog# & Formulation Size Price
Carrier Free
AF-502-SP
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IL-2 Antibody [Unconjugated] Summary

Immunogen
E. coli-derived recombinant rat IL-2
Ala21-Gln155
Accession # P17108
Specificity
Detects rat IL-2 in ELISAs. Detects human and rat IL-2 in Western blots. In sandwich immunoassays, less than 0.2% cross-reactivity with recombinant mouse IL‑2 is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
IL2
Purity Statement
Antigen Affinity-purified
Endotoxin Note
<0.10 EU per 1 μg of the antibody by the LAL method.
Innovator's Reward
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Applications/Dilutions

Dilutions
  • ELISA Capture (Matched Antibody Pair) 0.2-0.8 ug/mL
  • ELISA Detection (Matched Antibody Pair) 0.1-0.4 ug/mL
  • ELISA Standard (Matched Pair)
  • Immunocytochemistry 5-15 ug/mL
  • Immunohistochemistry 3-15 ug/mL
  • Neutralization 0.15-0.75 ug/mL
  • Western Blot 2 ug/mL
Application Notes
ELISA Capture: Rat IL-2 Antibody (Catalog # AF-502-NA)
ELISA Detection: Rat IL-2 Biotinylated Antibody (Catalog # BAF502)
Standard: Recombinant Rat IL-2 (Catalog # 502-RL)
Publications
Read Publications using
AF-502-NA 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.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.

Notes

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

Alternate Names for IL-2 Antibody [Unconjugated]

  • Aldesleukin
  • IL2
  • IL-2
  • IL-2lymphokine
  • interleukin 2
  • interleukin-2
  • involved in regulation of T-cell clonal expansion
  • Proleukin
  • T cell growth factor
  • T-cell growth factor
  • TCGF

Background

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 rat IL-2 shares 66% and 73% amino acid sequence identity with human and mouse IL-2, respectively. The receptor for IL-2 consists of three subunits that are present on the cell surface in varying preformed complexes (4-6). 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 (7). IL-2 plays a central role in the expansion and maintenance of regulatory T cells, although it inhibits the development of Th17 polarized cells (8-10). Thus, IL-2 may be a key cytokine in the natural suppression of autoimmunity (11, 12).
  1. Ma, A. et al. (2006) Annu. Rev. Immunol. 24:657.
  2. Gaffen, S.L. and K.D. Liu (2004) Cytokine 28:109.
  3. McKnight, A. et al. (1989) Immunogenetics 30:145.
  4. Liparoto, S.F. et al. (2002) Biochemistry 41:2543.
  5. Wang, X. et al. (2005) Science 310:1159.
  6. Bodnar, A. et al. (2008) Immunol. Lett. 116:117.
  7. Jaleco, S. et al. (2003) J. Immunol. 171:61.
  8. Malek, T.R. (2003) J. Leukoc. Biol. 74:961.
  9. Laurence, A. et al. (2007) Immunity 26:371.
  10. Kryczek, I. et al. (2007) J. Immunol. 178:6730.
  11. Afzali, B. et al. (2007) Clin. Exp. Immunol. 148:32.
  12. Fehervari, Z. et al. (2006) Trends Immunol. 27:109.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for IL-2 Antibody (AF-502-NA)(5)

We have publications tested in 2 confirmed species: Human, Rat.

We have publications tested in 3 applications: ELISA Development, IHC-P, Neutralization.


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ELISA Development
(1)
IHC-P
(1)
Neutralization
(3)
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Human
(1)
Rat
(4)
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Product General Protocols

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Video Protocols

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Bioinformatics

Gene Symbol IL2
Uniprot