Interleukin 13 (IL-13) is a cytokine secreted from type 2 T helper (Th2) cells. IL-13 has overlapping functions with interleukin 4 (IL-4), including the induction of immunoglobulin E (IgE) secretion from B cells, and the inhibition of interleukin 1 beta (IL-1β), tumor necrosis factor alpha (TNF-α), interleukin 8 (IL-8), and interleukin 6 (IL-6) inflammatory cytokine expression.
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IL-13 also regulates immune cell inflammation in response to the pathophysiological changes of surrounding non-immune cells. The IL-13 receptor consists of the IL-4Ra and IL-13Ra1 subunits. IL-13 can also bind the IL-13Ra2 receptor with high affinity. IL-13 functions are mediated through the JAK/STAT signaling pathway. Human and mouse IL-13 are cross-reactive.
For research use only.
- Conjugation:Unconjugated
- Protein Function:Cytokine
- Protein/peptide type:Recombinant
- Source:E. coli
- Species:Mouse
- Storage conditions:–20 °C
- Endotoxin content:Endotoxin LAL (EU/µg) ≤1
- Biological activity:Bioactivity assay: TF-1 cell proliferation; ED₅₀ ≤10 ng/ml; Bioactivity ≥1.0×10⁵ units/mg
- Gene ID:P20109
- Reconstitution instructions:Sterile 20 mM HCl at 0.1 mg/ml
- Endotoxin-free:N
- Carrier-free:Y
- Protease-free:N
- Animal-free:N
- Protein synonyms:NC30
- Protein/peptide name:IL-13
- Purity:≥95%
- Molecular weight:12.3 kDa
- Sequence:MPVPRSVSLP LTLKELIEEL SNITQDQTPL CNGSMVWSVD LAAGGFCVAL DSLTNISNCN AIYRTQRILH GLCNRKAPTT VSSLPDTKIE VAHFITKLLS YTKQLFRHGP F
- Endotoxin level:Low
- Formulation:0.1% Trifluoroacetic acid (TFA)
- Nuclease-free:N
- Grade:RUO
- Shipping temperature:RT
- Tested applications:Bioassay