SRP3091
IL-31 human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
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A propos de cet article
NACRES:
NA.32
UNSPSC Code:
12352202
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Laissez-nous vous aiderbiological source
human
recombinant
expressed in E. coli
assay
≥98% (HPLC), ≥98% (SDS-PAGE)
form
lyophilized
mol wt
15.8 kDa
packaging
pkg of 10 μg
technique(s)
cell culture | mammalian: suitable
impurities
<0.1 EU/μg endotoxin, tested
color
white to off-white
UniProt accession no.
shipped in
wet ice
storage temp.
−20°C
Gene Information
human ... IL31(386653)
General description
IL-31 (interleukin 31) is a T-cell expressed four helix bundle cytokine that functions as a ligand for a heterodimeric receptor composed of IL-31 receptor A (IL-31RA) and oncostatin M receptor (OSMR). The latter is expressed in epithelial cells and keratinocytes. IL-31 is a member of the gp130/IL-6 (glycoprotein 130) cytokine family. This protein is released by CD4+T cells, and is activated by Th2 (T-helper) cells, peripheral blood and skin-homing CD45RO+ CLA+ (cutaneous lymphocyte-associated antigen-positive) T cells and MCs (mast cells).
Recombinant IL-31 is a 15.8kDa protein containing 141 amino acid residues.
Recombinant IL-31 is a 15.8kDa protein containing 141 amino acid residues.
Biochem/physiol Actions
IL-31 (interleukin 31) is implicated in the pathogenesis of inflammatory disorders such as alopecia, atopic dermatitis, itching, airway hypersensitivity, inflammatory bowel disease, and hepatitis B related liver failure. It is a specific and sensitive marker for tuberculous pleurisy, and is capable of differentiating it from malignant pleural effusion. In humans, this cytokine shows significant elevated expression in pruritic, such as atopic dermatitis, but not in non-pruritic, such as psoriasis, forms of chronic skin inflammation. IL-31 is also implicated in the pathogenesis of chronic spontaneous urticaria, prurigo nodularis, and primary cutaneous lymphomas. Variants in this gene might be linked with the development of mastocytosis and the induction of pruritus in mastocytosis patients.
Physical form
Lyophilized from 10 mM Sodium Phosphate, pH 7.5.
Preparation Note
Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.
Other Notes
SHTLPVRLLR PSDDVQKIVE ELQSLSKMLL KDVEEEKGVL VSQNYTLPCL SPDAQPPNNI HSPAIRAYLK TIRQLDNKSV IDEIIEHLDK LIFQDAPETN ISVPTDTHEC KRFILTISQQ FSECMDLALK SLTSGAQQAT T
Classe de stockage
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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IL-31: a new link between T cells and pruritus in atopic skin inflammation.
Sonkoly E et al
The Journal of Allergy and Clinical Immunology, 117(2), 411-417 (2006)
Potential diagnostic value of serum/pleural fluid IL-31 levels for tuberculous pleural effusion.
Gao Y et al
Scientific Reports, 6, 20607-20607 (2016)
Interleukin-31 Polymorphisms and Serum IL-31 Level in Patients with Mastocytosis: Correlation with Clinical Presen-tation and Pruritus.
Lange M et al
Acta Dermato-Venereologica, 97(1), 47-53 (2017)
Lia Ginaldi et al.
BMC immunology, 16, 60-60 (2015-10-10)
Several inflammatory cytokines play a key part in the induction of osteoporosis. Until now, involvement of the Th2 cytokine interleukin-31 (IL-31) in osteoporosis hadn't yet been studied. IL-31 is a proinflammatory cytokine mediating multiple immune functions, whose involvement in a
Stacey R Dillon et al.
Nature immunology, 5(7), 752-760 (2004-06-09)
T cell-derived cytokines are important in the development of an effective immune response, but when dysregulated they can promote disease. Here we identify a four-helix bundle cytokine we have called interleukin 31 (IL-31), which is preferentially produced by T helper
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