Recombinant Rat IL-13

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Pricing & Details

Product. No.I-220
Alternate Names
Interleukin-13, ALRH, BHR1, MGC116786, P600, NC30
Expression Host
E. coli
Prod No.
Add to cart
I-220-25 µg
25 µg
In stock
Min: 1
Step: 1


Interleukin 13 (IL-13), also known as ALRH, is a single-chain, glycosylated polypeptide and a cytokine that is critical in regulating inflammatory and immune responses.1 It is produced primarily by activated Th2 cells, as well as mast cells and NK cells.1 The functions of IL-13 overlap considerably with those of IL-4 but these effects are probably less important given the more potent role of IL-4.2 IL-13 exerts its effects through a multi-subunit receptor comprising the alpha chain of the IL-4 receptor (IL-4Rα), and at least one of two known IL-13-specific binding chains (IL13 Rα1 and IL13 Rα2). Most of the biological effects of IL-13, like those of IL-4, are linked to signal transducer and activator of transcription 6 (STAT6).2 Although IL-13 is associated primarily with the induction of airway disease, it also has anti-inflammatory properties. It exerts these anti-inflammatory effects on monocytes and macrophages, and inhibits the expression of inflammatory cytokines such as IL-1beta, TNF-alpha, IL-6 and IL-8. IL-13 has also been shown to enhance B cell proliferation and to induce isotype switching resulting in increased production of IgE.3 Blocking of IL-13 activity inhibits the pathophysiology of asthma.4 Targeted deletion of IL-13 in mice results in impaired Th2 cell development and indicates an important role for IL-13 in the expulsion of gastrointestinal parasites.5 In addition, studies have identified IL-13 expression as a common feature of cHL (classical Hodgkin lymphoma).6 Human and murine IL-13 is cross-species reactive.

Protein Details

>97% by SDS-PAGE and analyzed by silver stain.
Endotoxin Level
<0.1 EU/µg as determined by the LAL method
Expression Host
E. coli
Protein Accession No.
Amino Acid Sequence
tp gpvrrstspp valrelieel snitqdqkts lcnssmvwsv dltaggfcaa lesltnissc naihrtqril nglcnqkasd vassppdtki evaqfiskll nyskqlfryg h
N-terminal Sequence Analysis
State of Matter
Predicted Molecular Mass
The predicted molecular weight of Recombinant Rat IL-13 is Mr 12.3 kDa.
This recombinant protein was 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 with no calcium, magnesium, or preservatives.
Storage and Stability
This lyophilized protein is stable for six to twelve months when stored desiccated at -20°C to -70°C. After aseptic reconstitution, this protein may be stored at 2°C to 8°C for one month or at -20°C to -70°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.
Country of Origin
Next Day Ambient
NCBI Gene Bank

References & Citations

1. Wynn, TA. et al. (2003) Annu Rev Immunol. 21: 425
2. Citrin, DE. et al. (2016) Sci Rep. 6:39714.
IMPORTANT Use lot specific datasheet for all technical information pertaining to this recombinant protein.
Products are for research use only. Not for use in diagnostic or therapeutic procedures.
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