| Identification | Back Directory | [Name]
Parstatin (mouse) | [CAS]
1065756-01-5 | [Synonyms]
Parstatin (mouse) | [Molecular Formula]
C189H326N58O57S3 | [MDL Number]
MFCD16621669 |
| Hazard Information | Back Directory | [Description]
Cell-permeable peptide cleaved from protease-activated receptor 1 (PAR1) upon receptor activation. Attenuates endothelial cell migration and proliferation (IC50~ 20μM), and induces cell cycle arrest. Promotes activation of caspase-3 and exhibits pro-apoptotic activityin vitro. Inhibits angiogenesis and exhibits cardioprotective activityin vivo. | [Uses]
Parstatin(mouse), a cell-penetrating PAR-1 thrombin receptor agonist peptide, is a potent inhibitor of angiogenesis[1][2]. | [in vivo]
Parstatin (single dose, 1-25 μg/kg, iv) administered prior to ischaemia confers immediate cardioprotection by recruiting the Gi-protein activation pathway including p38 MAPK, ERK1/2, NOS, and KATP channels. Parstatin exerts effects on both the cardiomyocytes and the coronary circulation to induce cardioprotection. This suggests a potential therapeutic role of parstatin in the treatment of cardiac injury resulting from ischaemia and reperfusion[1]. | Animal Model: | Male Sprague–Dawley rats at 8 weeks of age (250-300 g)[1]. | | Dosage: | 1-25 μg/kg. | | Administration: | IV injected 15 min prior to ischaemia. | | Result: | A significant decrease in infarct size was detected with the 5-15 μg/kg doses with 10 μg/kg as the optimal dose. These hearts had an infarct size of 46 ± 3% of the area at risk, which is a 26% reduction in infarct size compared with the control. |
| [References]
[1] Panagiota Zania, et al. Parstatin, the Cleaved Peptide on Proteinase-Activated Receptor 1 Activation, Is a Potent Inhibitor of Angiogenesis. J Pharmacol Exp Ther. 2009 Feb;328(2):378-89. DOI:10.1124/jpet.108.145664
[2] Jennifer L Strande, et al. Parstatin: A Cryptic Peptide Involved in Cardioprotection After Ischaemia and Reperfusion Injury. Cardiovasc Res. 2009 Jul 15;83(2):325-34. DOI:10.1093/cvr/cvp122 |
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