Revision 4
#8928
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For Research Use Only. Not for Use in Diagnostic Procedures.
MW (kDa):
21
UniProt ID:
#Q16552
Entrez-Gene Id:
3605
Background
IL-17A is a cystine-linked homodimeric pro-inflammatory cytokine produced by Th17 cells, a distinct CD4+ T cell lineage (1,2). IL-17A stimulates the production of the pro-inflammatory cytokines IL-1β, TNF-α, and IL-6. IL-17A also induces production of the neutrophil chemoattractants IL-8, CXCL1, and CXCL6 thereby bridging adaptive and innate immunity (1,2). IL-17A is intimately involved in mucosal immunity against bacterial infections (1,3) and has a putative role in some autoimmune disorders (1,4). IL-17A effects appear to be exerted primarily through binding to the IL-17RA (5). IL-17A binding induces production of cytokines, chemokines and other proteins through activation of the Erk1/2 MAP kinase, PI3K/Akt, p38, and NF-κB pathways (3,4, 6). Phosphorylation of some Jaks and Stats has been observed.
Endotoxin
Less than 0.01 ng endotoxin/1 μg hIL-17A.
Purity
>97% as determined by SDS-PAGE of 6 μg reduced (+) and non-reduced (-) recombinant hIL-17A. All lots are greater than 97% pure
Source / Purification
Recombinant human IL-17A (hIL-17A) Ile20-Ala155 (Accession #NP_002181) was expressed in human 293 cells at Cell Signaling Technology.
Bioactivity
The bioactivity of recombinant hIL-17A was determined by its ability to induce IL-6 production by primary human fibroblasts. The ED50 of each lot is between 1.5 - 3.5 ng/ml.
Background References
- Kolls, J.K. and Lindén, A. (2004) Immunity 21, 467-76.
- Liang, S.C. et al. (2006) J Exp Med 203, 2271-9.
- Dubin, P.J. and Kolls, J.K. (2008) Immunol Rev 226, 160-71.
- Zrioual, S. et al. (2009) J Immunol 182, 3112-20.
- Wright, J.F. et al. (2008) J Immunol 181, 2799-805.
- Rahman, M.S. et al. (2006) J Immunol 177, 4064-71.
Cross-Reactivity Key
H: Human M: Mouse R: Rat Hm: Hamster Mk: Monkey Vir: Virus Mi: Mink C: Chicken Dm: D. melanogaster X: Xenopus Z: Zebrafish B: Bovine Dg: Dog Pg: Pig Sc: S. cerevisiae Ce: C. elegans Hr: Horse GP: Guinea Pig Rab: Rabbit G: Goat All: All Species Expected
Trademarks and Patents
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
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