| SB 290157 (trifluoroacetate salt)C3aR antagonist |

Sample solution is provided at 25 µL, 10mM.
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Cell Stem Cell.2017 Nov 20. pii: S1934-5909(17)30375-2.Quality Control & MSDS
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- Purity ≥95.00%
- COA (Certificate Of Analysis)
- MSDS (Material Safety Data Sheet)
- Datasheet
Chemical structure


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| Cas No. | 1140525-25-2 | SDF | Download SDF |
| Synonyms | N/A | ||
| Chemical Name | N2-[2-(2,2-diphenylethoxy)acetyl]-L-arginine, 2,2,2-trifluoroacetate | ||
| Canonical SMILES | O=C(N[C@H](C(O)=O)CCCNC(N)=N)COCC(C1=CC=CC=C1)C2=CC=CC=C2.FC(F)(C(O)=O)F | ||
| Formula | C22H28N4O4 • CF3COOH | M.Wt | 526.5 |
| Solubility | ≤30mg/ml in ethanol;20mg/ml in DMSO;25mg/ml in dimethyl formamide | Storage | Store at -20°C |
| Physical Appearance | A crystalline solid | Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request |
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. | ||
IC50: 200 nM
SB 290157 is a C3aR antagonist.
The anaphylatoxin C3a, a potent chemotactic peptide and inflammatory mediator, binds to and activates a G-protein-coupled receptor. Molecular cloning of the C3aR has facilitated the identification of the non-peptide C3aR antagonists.
In vitro: SB 290157 was a competitive antagonist of 125I-C3a and binding to rat basophilic leukemia (RBL)-2H3 cells expressing the human C3aR , with an IC50 of 200 nM. SB 290157 could also block the C3a-induced C3aR internalization concentration-dependently and C3a-induced Ca21 mobilization in RBL-C3aR cells and human neutrophils. SB 290157 was founf to be selective for the C3aR in that it did not antagonize the C5aR or six other chemotactic G protein-coupled receptors. In addition, SB 290157 could also inhibit C3a induced Ca21 mobilization of RBL-2H3 cells expressing the mouse and guinea pig C3aRs [1].
In vivo: In animal models, SB 290157 was able to inhibit neutrophil recruitment in a guinea pig LPS-induced airway neutrophilia model and decrease paw edema in a rat adjuvant-induced arthritis model [1].
Clinical trial: So far, no clinical study has been conducted.
Reference:[1] R. S. Ames, D. Lee, J. J. Foley, et al. Identification of a selective nonpeptide antagonist of the anaphylatoxin C3a receptor that demonstrates antiinflammatory activity in animal models. Journal of Immunology 166(10), 6341-6348 (2001).
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师兄说每次一定要两块胶一起跑电泳才能形成回路,但是制胶因为只有一个制胶架,就只能分两次弄
想问一下一般都是这样的吗?还有加了浓缩胶插了梳子之后一定要等2h才能让胶充分凝固吗?

