IL-12/IL-35 p35 Antibody (116219) [Alexa Fluor® 647]


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Product Details

Reactivity PoSpecies Glossary
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Alexa Fluor 647
Please see the vial label for concentration. If unlisted please contact technical services.

IL-12/IL-35 p35 Antibody (116219) [Alexa Fluor® 647] Summary

Chinese hamster ovary cell line CHO-derived recombinant porcine IL‑12 p35/p40 heterodimer
p40 Ile23-Asn324, p35 Arg26-Ser222
Accession # Q28938, Q29053
Detects the heterodimeric form of porcine IL‑12 (p35/p40) in direct ELISAs. Western blotting data indicates recognition of the IL-12/IL-35 p35 subunit. In direct ELISAs and Western blots, 20‑100% cross-reactivity with the disulfide‑linked heterodomeric forms of recombinant mouse IL‑12 and recombinant human IL-12 is observed.
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  • Intracellular Staining by Flow Cytometry 0.25-1 ug/10^6 cells
Application Notes
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.

Packaging, Storage & Formulations

Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
0.09% Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.


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

Alternate Names for IL-12/IL-35 p35 Antibody (116219) [Alexa Fluor® 647]

  • IL-12/IL-35 p35
  • IL-12A
  • IL35p35


Interleukin 12, also known as natural killer cell stimulatory factor (NKSF) or cytotoxic lymphocyte maturation factor (CLMF), is a heterodimeric pleiotropic cytokine made up of a 40 kDa (p40) subunit and a 35 kDa (p35) subunit. IL-12 is produced by macrophages and B lymphocytes and has been shown to have multiple effects on T cells and natural killer (NK) cells. Some of these IL-12 activities include the induction of IFN-gamma and TNF in resting and activated T and NK cells, the enhancement of cytotoxic activity of resting NK and T cells, the stimulation of resting T cell proliferation in the presence of a comitogen, and the enhancement of NK cell proliferation. Current evidence indicates that IL-12 is a key mediator of cellular-immunity and induces the differentiation of Th1 cells from precursor T helper cells. Based on its activities, it has been suggested that IL-12 may have therapeutic potential as a vaccine adjuvant that promotes cellular-immunity and as an anti-tumor and anti-viral agent.

Porcine IL-12 subunits p35 and p40 share about 85% homology to the human subunits, but differ by containing a 3 aa addition in the p35 subunit and a 4 aa deletion in the p40 subunit. Porcine IL-12 induces proliferation of human lymphoblasts and IFN-gamma secretion by human and porcine lymph nodes. Porcine IL-12 has been detected in lymphoid tissues including inguinal and mesenteric lymph nodes, Peyer's patches, spleen and thymus.

  1. Foss, D. et al. (1997) Vet. Immunol. Immunopathol. 57:121.


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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