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Chimerigen
IL-12 (human):Fc (human) (rec.)
Product Details | |
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Synonyms | Interleukin-12; IL-12p70; IL-12p75; Cytotoxic Lymphocyte Maturation Factor; CLMF; NKSF; Natural Killer Cell Stimulatory Factor; TSF; T-cell Stimulatory Factor |
Product Type | Protein |
Properties | |
Source/Host | CHO cells |
Sequence |
The human IL-12 complex composed of the p40 subunit (aa 23-328) and the p35 subunit (aa 57-253) is fused through a polypeptide linker to the Fc region of human IgG1. |
Crossreactivity | Human |
MW | ~100-150kDa. |
Purity | ≥98% (SDS-PAGE) |
Endotoxin Content | <1EU/mg protein (LAL test; Lonza). |
Reconstitution | Reconstitute at 100μg/ml in sterile PBS. |
Formulation | Lyophilized from 0.2μm-filtered solution in PBS. |
Protein Negative Control | |
Other Product Data |
NCBI reference NP_002178.2: IL-12 p40 subunit (human) NCBI reference NP_000873.2: IL-12 p35 subunit (human) |
Declaration | Manufactured by Chimerigen. |
Shipping and Handling | |
Shipping | BLUE ICE |
Short Term Storage | +4°C |
Long Term Storage | -20°C |
Handling Advice |
Avoid freeze/thaw cycles. Centrifuge lyophilized vial before opening and reconstitution. |
Use/Stability |
Stable for at least 1 year after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C. |
Documents | |
MSDS | Inquire |
Product Specification Sheet | |
Datasheet | Download PDF |
Interleukin-12 (IL-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-γ 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 antitumor and anti viral agent.