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Interleukin 31, Recombinant, Human (IL-31, Interleukin-31, IL31)
Interleukin 31, Recombinant, Human (IL-31, Interleukin-31, IL31)
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| IL-31 produced by activated Th2-type T cells, cooperates with a heterodimeric receptor consisting of IL-31 Receptor Anatagonist and Onconstatin-M Receptor that is constitutively expressed on epithelial cells and keratinocytes. IL-31 plays a role in the promotion of allergic skin disorders and in regulating other allergic diseases, such as asthma. IL-31 is involved in the itching sensation and endorses the scratching behavior in NC/Nga mice with atopic dermatitis. IL-31 expression is connected with CLA(+) T cells and contributes to the development of atopic dermatitis-induced skin inflammation and pruritus. IL-31 is a powerful inducer of proinflammatory mediators in human colonic SEMFs. IL-31 takes part as a proinflammatory cytokine derived from Th2 cells. Serum IL-31 level is higher in patients with atopic dermatitis. IL-31 is involved in a broad range of immune, non-immune cells and possesses potential pleiotropic physiological functions, including regulating hematopoiesis and immune response, causing inflammatory bowel disease, airway hypersensitivity & dermatitis. IL-31 human recombinant produced in E. coli is a single, non-glycosylated, polypeptide chain containing 141aa (24-164aa) and having a molecular mass of 15.8kD. | | | Catalog # | I8442-40R | | Source | Recombinant corresponding to human IL-31 expressed in E. coli. | | AA Sequence | SHTLPVRLLRPSDDVQKIVEELQSLSKMLLKDVEEEKGVLVSQNYTLPCLSPDAQPPNNIHSPAI-RAYLKTIRQLDNKSVIDEIIEHLDKLIFQDAPETNISVPTDTHECKRFILTISQQFSECMDLALKSLTSGAQQATT | | Molecular Weight | ~15.8kD | | Storage and Stability | Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. | | Molecular Weight | ~15.8kD | | Source | E. coli | | Purity | ~95% (SDS-PAGE, HPLC) | | Concentration | Not determined | | Form | Supplied as a lyophilized powder from 20mM phosphate buffer, 150mM sodium chloride, pH 7.4. Reconstitute with sterile dH2O to 100ug/ml. | | | Important Note | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. |
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