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Synonyms
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FIL1 eta, IL-1 eta, IL-1F8, IL-1H2
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Species
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Human
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Accession
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Q9NZH7-2
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GeneID
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27177
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Source
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Escherichia coli.
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Molecular Weight
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重组人白细胞介素-36β，153a.a.蛋白Approximately 17.2 kDa, a single non-glycosylated polypeptide chain containing 153 amino acids.
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Quantity
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2µg/10µg/1000µg
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AA Sequence
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REAAPKSYAI RDSRQMVWVL SGNSLIAAPL SRSIKPVTLH LIACRDTEFS DKEKGNMVYL GIKGKDLCLF CAEIQGKPTL QLKEKNIMDL YVEKKAQKPF LFFHNKEGST SVFQSVSYPG WFIATSTTSG QPIFLTKERG ITNNTNFYLD SVE
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Purity
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> 97 % by SDS-PAGE and HPLC analyses.
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Biological Activity
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重组人白细胞介素-36β，153a.a.蛋白Fully biologically active when compared to standard. The ED50 as determined by inducing IL-8 secretion in human preadipocytes is less than 10 ng/ml, corresponding to a specific activity of > 1.0 × 105 IU/mg.
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Physical Appearance
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Sterile Filtered White lyophilized (freeze-dried) powder.
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Formulation
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Lyophilized from a 0.2 μm filtered concentrated solution in 2 × PBS, pH 7.4.
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Endotoxin
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重组人白细胞介素-36β，153a.a.蛋白Less than 1 EU/μg of rHuIL-36β, 153a.a. as determined by LAL method.
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Reconstitution
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We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20°C. Further dilutions should be made in appropriate buffered solutions.
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Storage
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This lyophilized preparation is stable at 2-8 °C, but should be kept at - 20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
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重组人白细胞介素-36β，153a.a.蛋白
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SDS-PAGE
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Reference
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1. Nicklin MJ, Barton JL, Nguyen M, et al. 2002. Genomics. 79:718-25.
2. Dinarello C, Arend W, Sims J, et al. 2010. Nat Immunol. 11:973.
3. Magne D, Palmer G, Barton JL, et al. 2006. Arthritis Res Ther. 8:R80.
4. van Asseldonk EJ, Stienstra R, Koenen TB, et al. 2010. Obesity (Silver Spring). 18:2234-6.
5. Johnston A, Xing X, Guzman AM, et al. 2011. J Immunol. 186:2613-22.
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Background
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Interleukin-36 (IL-36) is a pro-inflammatory cytokine which plays an important role in the pathophysiology of several diseases. IL-36α, IL-36β, and IL-36γ (formerly IL-1F6, IL-1F8, and IL-1F9) are IL-1 family members that signal through the IL-1 receptor family members IL-1Rrp2 (IL-1RL2) and IL-1RAcP. IL-36 beta is reported to be expressed at higher levels in psoriatic plaques than in symptomless psoriatic skin or healthy control skin and it can stimulate production of interleukin-6 and interleukin-8 in synovial fibrobasts, articular chondrocytes and mature adipocytes. It has two isoforms. IL-36β isoform 2 contains one potential N-linked glycosylation site in its C-terminus, while IL-36β isoform 1 lacks potential N-linked glycosylation sites and four of the conserved β-strands. Human IL-36βisoform 2 shares 62 %, 67 %, 63 % and 59 % a.a. identity with the most similar isoform of mouse, canine, bovine and equine IL-36β, respectively.
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