Recombinant Mouse S100A9 Protein, CF Summary
Product Specifications
Ala2-Lys113
Analysis
Product Datasheets
Carrier Free
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.
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.
2065-S9
| Formulation | Lyophilized from a 0.2 μm filtered solution in Tris and TCEP. |
| Reconstitution | Reconstitute at 300 μg/mL in sterile water. |
| 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.
|
Scientific Data
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Recombinant Mouse S100A9 induces CXCL1/KC secretion in C3H10T1/2 mouse embryonic fibroblast cells. The ED50 for this effect is 0.036-0.18 μg/mL.
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Background: S100A9
S100A9, also known as MRP14 and Calgranulin B, is an approximately 14 kDa pro-inflammatory protein in the S100 family of calcium binding proteins (1, 2). It is
up‑regulated in neutrophils and monocytes at sites of inflammation (e.g. psoriasis, rheumatoid arthritis, cardiac ischemia) and is present at elevated concentrations in rheumatoid arthritis synovial fluid (3-6). Mouse S100A9 contains two EF-hand calcium binding motifs and shares 57% and 79% amino acid sequence identity with human and rat S100A9, respectively (7). S100A9 is a noncovalent homodimer that can also
noncovalently heterodimerize with S100A8; in the presence of calcium and zinc,
the homodimer and heterodimers will form tetramers (8-10). Human S100A9 can be phosphorylated at Thr113 near the C-terminus, a residue which is not conserved in the mouse protein (11). Human S100A9 can also be modified by S-glutathionylation and oxidation (12). The S100A8/A9 heterodimer binds to fatty acids such as arachidonic acid, while neither monomer does (4). S100A9 and the heterodimer promote neutrophil infiltration and degranulation at sites of inflammation and inflammatory cytokine production by monocytes (5, 6, 9, 13). S100A9 also promotes cartilage matrix destruction in osteoarthritis (14) as well as RAGE-dependent cardiac fibrosis and remodeling (6). In the brain, the S100A9 homodimer promotes neuronal cytotoxicity, although this is reduced by its binding to amyloid-beta peptide (15).
- Averill, M.M. et al. (2012) Arterioscler. Thromb. Vasc. Biol. 32:223.
- Vogl, T. et al. (2012) Int. J. Mol. Sci. 13:2893.
- Edgeworth, J. et al. (1991) J. Biol. Chem. 266:7706.
- Siegenthaler, G. et al. (1997) J. Biol. Chem. 272:9371.
- Sunahori, K. et al. (2006) Arthritis Res. Ther. 8:R69.
- Volz, H.C. et al. (2012) Basic Res. Cardiol. 107:250.
- Lagasse, E. and I.L. Weissman (1992) Blood 79:1907.
- Teigelkamp, S. et al. (1991) J. Biol. Chem. 266:13462.
- Ryckman, C. et al. (2003) J. Immunol. 170:3233.
- Vogl, T. et al. (2006) Biochim. Biophys. Acta 1763:1298.
- Edgeworth, J. et al. (1989) Nature 342:189.
- Lim, S.Y. et al. (2010) J. Biol. Chem. 285:14377.
- Simard, J.-C. et al. (2010) J. Leukoc. Biol. 87:905.
- Schelbergen, R.F.P. et al. (2012) Arthritis Rheum. 64:1477.
- Zhang, C. et al. (2012) PLoS ONE 7:e32953.
Citations for Recombinant Mouse S100A9 Protein, CF
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
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Dysregulated S100A9 Expression Impairs Matrix Deposition in Chronic Wounds
Authors: Franz, S;Torregrossa, M;Anderegg, U;Ertel, A;Saalbach, A;
International journal of molecular sciences
Species: Mouse
Sample Types: Whole Cells
Applications: Bioassay -
AIM/CD5L attenuates DAMPs in the injured brain and thereby ameliorates ischemic stroke
Authors: N Maehara, K Taniguchi, A Okuno, H Ando, A Hirota, Z Li, CT Wang, S Arai, T Miyazaki
Cell Reports, 2021-09-14;36(11):109693.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
Inflammatory Changes in Bone Marrow Microenvironment Associated with Declining B Lymphopoiesis
Authors: DE Kennedy, KL Knight
J. Immunol, 2017-03-20;0(0):.
Species: Mouse
Sample Types: Whole Cells
Applications: Bioassay
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