Recombinant Mouse IL-17A (CHO-expressed) Protein

R&D Systems, part of Bio-Techne | Catalog # 7956-ML

R&D Systems, part of Bio-Techne
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Carrier Free
7956-ML-010/CF
7956-ML-025/CF
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7956-ML-100/CF
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With Carrier
7956-ML-025
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Key Product Details

Source

CHO

Accession #

Q62386

Structure / Form

Disulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

View all IL-17/IL-17A Proteins and Enzymes »

Product Specifications

Source

Chinese Hamster Ovary cell line, CHO-derived mouse IL-17/IL-17A protein
Ala26-Ala158

Purity

>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<0.01 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Ala26

Predicted Molecular Mass

15 kDa (monomer)

SDS-PAGE

15 -22 kDa, reducing conditions

Activity

Measured by its ability to induce IL-6 secretion by NIH-3T3 mouse embryonic fibroblast cells.
The ED50 for this effect is 0.25-1.25 ng/mL.

Reviewed Applications

Read 1 review rated 5 using 7956-ML in the following applications:

Formulation, Preparation and Storage

Carrier Free
What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

Carrier: 7956-ML
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in PBS containing at least 0.1% human or bovine serum albumin.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Carrier Free: 7956-ML/CF
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: IL-17/IL-17A

Interleukin‑17A (IL‑17A), also known as CTLA‑8, is a 15‑20 kDa glycosylated cytokine that plays an important role in anti‑microbial and chronic inflammation. The six IL‑17 cytokines (IL‑17A‑F) are encoded by separate genes but adopt a conserved cystine knot fold (1, 2). Mature mouse IL‑17A shares 61% and 89% amino acid sequence identity with human and rat IL‑17A, respectively (3, 4). IL‑17A is secreted by Th17 cells, gamma/ delta T cells, iNKT cells, NK cells, LTi cells, neutrophils, and intestinal Paneth cells (2). It forms disulfide‑linked homodimers as well as disulfide‑linked heterodimers with IL‑17F (5, 6). IL‑17A exerts its effects through the transmembrane IL‑17 RA in complex with IL‑17 RC or IL‑17 RD (7, 8). Both IL‑17 RA and IL‑17 RC are required for responsiveness to heterodimeric IL‑17A/F (7). IL‑17A promotes protective mucosal and epidermal inflammation in response to microbial infection (9‑12). It induces chemokine production, neutrophil influx, and the production of antibacterial peptides (9‑11). IL‑17A/F likewise induces neutrophil migration, but IL‑17F does not (11). IL‑17A additionally enhances the production of inflammatory mediators by rheumatoid synovial fibroblasts and contributes to TNF‑ alpha induced shock (Fossiez, 14). In contrast, it can protect against the progression of colitis by limiting chronic inflammation (12). IL‑17A encourages the formation of autoreactive germinal centers and exacerbates the onset and progression of experimental models of autoimmunity (15, 16). IL‑17A has been shown to exert either tumorigenic or anti‑tumor effects (17, 18).

References

  1. Gaffen, S.L. (2009) Nat. Rev. Immunol. 9:556.
  2. Cua, D.J. and C.M. Tato (2010) Nat. Rev. Immunol. 10:479.
  3. Yao, Z. et al. (1996) Gene 168:223.
  4. Rouvier, E. et al. (1993) J. Immunol. 150:5445.
  5. Chang, S.H. and C. Dong (2007) Cell Res. 17:435.
  6. Wright, J.F. et al. (2007) J. Biol. Chem. 282:13447.
  7. Wright, J.F. et al. (2008) J. Immunol. 181:2799.
  8. Rong, Z. et al. (2009) Cell Res. 19:208.
  9. Cho, J.S. et al. (2010) J. Clin. Invest. 120:1762.
  10. Liang, S.C. et al. (2006) J. Exp. Med. 203:2271.
  11. Liang, S.C. et al. (2007) J. Immunol. 179:7791.
  12. O’Connor Jr., W. et al. (2009) Nat. Immunol. 10:603.
  13. Fossiez, F. et al. (1996) J. Exp. Med. 183:2593.
  14. Takahashi, N. et al. (2008) J. Exp. Med. 205:1755.
  15. Hsu, H. et al. (2008) Nat. Immunol. 9:166.
  16. Rohn, T.A. et al. (2006) Eur. J. Immunol. 36:2857.
  17. Wang, L. et al. (2009) J. Exp. Med. 206:1457.
  18. Kryczek, I. et al. (2009) Blood 114:357.

Long Name

Interleukin 17

Alternate Names

CTLA-8, CTLA8, IL-17A, IL17, IL17A

Entrez Gene IDs

3605 (Human); 16171 (Mouse); 301289 (Rat); 449530 (Porcine); 481837 (Canine); 102119976 (Cynomolgus Monkey)

Gene Symbol

IL17A

UniProt

Q62386

Additional IL-17/IL-17A Products

Product Documents for Recombinant Mouse IL-17A (CHO-expressed) Protein

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Recombinant Mouse IL-17A (CHO-expressed) Protein

For research use only

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