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Submit ReviewPMX 205
![Cat.No. 5196 - PMX 205 | Cyclo[N2-(1-Oxo-3-phenylpropyl)-Orn-Pro-D-Cha-Trp-Arg] | CAS No. 514814-49-4](http://resources.tocris.com/images/datasheets/structures/pmx-205_5196.png "Cat.No. 5196 - PMX 205 | Cyclo[N2-(1-Oxo-3-phenylpropyl)-Orn-Pro-D-Cha-Trp-Arg] | CAS No. 514814-49-4")
Description: Potent C5a receptor peptide antagonist
Purity: ≥95% (HPLC)
Biological Activity for PMX 205
PMX 205 is a potent C5a receptor peptide antagonist (IC50 = 31 nM). Ameliorates experimentally-induced colon inflammation in mice. Reduces fibrillar amyloid deposits, decreases hyperphosphorylated tau levels and rescues cognitive function in a mouse model of Alzheimer's disease. Also improves hindlimb grip strength and slows disease progression in the hSOD1G93A mouse model of amyotrophic lateral sclerosis. Orally active and brain penetrant.
Technical Data for PMX 205
| M. Wt | 839.05 |
| Formula | C45H62N10O6 |
| Sequence |
XPXWR (Modifications: X-1 = N2-(1-Oxo-3-phenylpropyl)-Orn, X-3 = D-Cha, Lactam bridge: Orn-1 to Arg-5) |
| Storage | Store at -20°C |
| Purity | ≥95% (HPLC) |
| CAS Number | 514814-49-4 |
| PubChem ID | 90489023 |
| InChI Key | YUIBSMOWXFHTBD-UHFFFAOYSA-N |
| Smiles | NC(=N)NCCCC1NC(=O)C(CC2C=NC3=CC=CC=C23)NC(=O)C(CC2CCCCC2)NC(=O)C2CCCN2C(=O)C(CCCNC1=O)NC(=O)CCC1=CC=CC=C1 |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data for PMX 205
| Solubility | Soluble to 1 mg/ml in water with sonication |
Product Datasheets for PMX 205
References for PMX 205
References are publications that support the biological activity of the product.
March et al (2004) Potent cyclic antagonists of the complement C5a receptor on human polymorphonuclear leukocytes. Relationships between structures and activity. Mol.Pharmacol. 65 868 PMID: 15044616
Fonseca et al (2009) Treatment with a C5aR antagonist decreases pathology and enhances behavioral performance in murine models of Alzheimer's disease. J.Immunol. 183 1375 PMID: 19561098
Jain et al (2013) The C5a receptor antagonist PMX205 ameliorates experimentally induced colitis associated with increased IL-4 and IL-10. Br.J.Pharmacol. 168 488 PMID: 22924972
Lee et al (2017) Pharmacological inhibition of complement C5a-C5a1 receptor signalling ameliorates disease pathology in the hSOD1G93A mouse model of amyotrophic lateral sclerosis. Br.J.Pharmacol. 174 689 PMID: 28128456
Kumar et al (2018) Development and validation of a LC-MS/MS assay for pharmacokinetic studies of complement C5a receptor antagonists PMX53 and PMX205 in mice. Sci.Rep. 8 8101 PMID: 29802264
If you know of a relevant reference for PMX 205, please let us know.
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Keywords: PMX 205, PMX 205 supplier, PMX205, potent, c5a, receptor, peptide, antagonist, alzheimer's, disease, alzheimers, antialzheimers, antiinflammatory, Complement, 5196, Tocris Bioscience
1 Citation for PMX 205
Citations are publications that use Tocris products. Selected citations for PMX 205 include:
Natarajan et al (2018) Complement Receptor C5aR1 Plays an Evolutionarily Conserved Role in Successful Cardiac Regeneration. Circulation 137 2152 PMID: 29348261
Do you know of a great paper that uses PMX 205 from Tocris? Please let us know.
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