Recombinant Cynomolgus Monkey IL-12 (linked heterodimer), CF
Recombinant Cynomolgus Monkey IL-12 (linked heterodimer), CF Summary
|Cynomolgus Monkey IL-12p40|
Accession # NP_001274204
|GGGSGGGSGGGS||Cynomolgus Monkey IL-12p35|
Accession # XP_005546300
CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.
In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.
|Formulation||Lyophilized from a 0.2 μm filtered solution in PBS.|
|Reconstitution||Reconstitute at 100 μg/mL in 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.
Recombinant Cynomolgus Monkey IL-12 (Catalog # 10215-CL) enhances IFN-gamma secretion in NK-92 human natural killer lymphoma cells. The ED50for this effect is 0.15-0.9 ng/mL.
2 μg/lane of Recombinant Cynomolgus Monkey IL-12 (10215-CL) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 65-78 kDa.
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 (1, 2). The cynomolgus monkey p35 subunit shares 93.4% sequence identity with the human homolog, and the p40 subunit shares 96.4% identity with its human homolog. 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 (2, 3). 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 (1-3).
- Hasegawa, H. et al. (2016) Front. Immunol. 7:479.
- Schurich, A. et al. (2017) Rheumatology. 57:246.
- Agarwal, P. (2009). J Immunol. 183:1695.
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