Human IL-2 Antibody

Recombinant Monoclonal Antibody
Catalog # Availability Size / Price Qty
MAB202R-100
MAB202R-SP
IL-2 in Human PBMCs.
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Human IL-2 Antibody Summary

Species Reactivity
Human
Specificity
Detects human IL-2 in direct ELISAs.
Source
Monoclonal Mouse IgG1 Clone # 5334R
Purification
Protein A or G purified from cell culture supernatant
Immunogen
E. coli-derived recombinant human IL-2
Ala21-Thr153
Accession # NP_000577
Formulation
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Immunocytochemistry
5-25 µg/mL
See below
Intracellular Staining by Flow Cytometry
0.25 µg/106 cells
Human peripheral blood mononuclear cells (PBMCs) treated with Cell Activation Cocktail 500x (Catalog # 5476) for 5 hours,  fixed and permeabilized using FlowX FoxP3/Transcription Factor Fixation & Perm Buffer Kit (Catalog # FC012)
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 0.015-0.03 µg/mL in the presence of 2 ng/mL Recombinant Human 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

Immunocytochemistry IL-2 in Human PBMCs. View Larger

IL-2 in Human PBMCs. IL-2 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) treated with calcium ionomycin and PMA using Mouse Anti-Human IL-2 Monoclonal Antibody (Catalog # MAB202R) at 25 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Neutralization Cell Proliferation Induced by IL-2 and Neutralization by Human IL-2 Antibody. View Larger

Cell Proliferation Induced by IL-2 and Neutralization by Human IL-2 Antibody. Recombinant Human IL-2 (Catalog # 202-IL) stimulates proliferation in the CTLL-2 mouse cytotoxic T cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Human IL-2 (2 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human IL-2 Monoclonal Antibody (Catalog # MAB202). The ND50 is typically 0.015-0.03 µg/mL.

Intracellular Staining by Flow Cytometry Detection of IL-2 in Human PBMCs by Flow Cytometry. View Larger

Detection of IL-2 in Human PBMCs by Flow Cytometry. Human peripheral blood mononuclear cells (PBMCs) (A) treated with Cell Activation Cocktail 500x (5476) for 5 hours or (B) resting were stained with Mouse Anti-Human IL-2 Monoclonal Antibody (Catalog # MAB202R) followed by Goat anti-Mouse IgG APC-conjugated Secondary Antibody (F0101B) and Mouse anti-Human CD3 PE-conjugated Monoclonal Antibody (FAB100P). Quadrant markers were set based on Mouse IgG1 isotype control antibody (MAB002). To facilitate intracellular staining, cells were fixed and permeabilized using FlowX FoxP3/Transcription Factor Fixation & Perm Buffer Kit (FC012). Staining was performed using our Staining Intracellular Molecules protocol.

Reconstitution Calculator

Reconstitution Calculator

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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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
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-2

Interleukin-2 (IL-2) is a cytokine that stimulates the growth and differentiation of B cells, T cells, NK cells, and monocyte/macrophages. It functions through the heterotrimeric IL-2 receptor comprising alpha, beta, and gamma chains.

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; Proleukin; T cell growth factor; T-cell growth factor; TCGF

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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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