| Bioactivity | Tirofiban (L700462) is a selective and reversible platelet integrin receptor (Gp IIb/IIIa) antagonist that inhibits fibrinogen binding to this receptor and has antithrombotic activity. Tirofiban induces proliferation and migration on endothelial cell by inducing production of VEGF. Tirofiban can significantly reduces myocardial no-reflow and ischemia-reperfusion injury by alleviating myocardial microvascular structural and endothelial dysfunction in the ischemic area[1][2][3]. | ||||||||||||
| Target | Gp IIb/IIIa Receptor | ||||||||||||
| Invitro | Tirofiban (0.25, 1, 3 μg/mL; 72 hours) increases proliferation of HAEC cells[1].Tirofiban (24 hours) closes the scratch of HUVECs migration within 18 hours[1].Tirofiban (0.25, 1 μg/mL; 1 hour) induces production of VEGF after 30 minutes which can stimulates proliferation of endothelial cells[1]. Cell Proliferation Assay[1] Cell Line: | ||||||||||||
| In Vivo | Tirofiban (60 μg/kg; i.v.; once) shows activity of increasing contraction force, ventricular compliance, and improving heart function by increasing HR, LVESP, dp/dtmax, and reducing LVEDP[2].Tirofiban (60 μg/kg; i.v.; once) enhances eNOS activity, decreases iNOS activity and reduces area of no-reflow after reperfusion following AMI[2].Tirofiban (50 µg/per; irrigate; once) shows anticoagulant effect with patency rates of 59% at 24 hours after microvascular anastomosis in the crush model[3]. Animal Model: | ||||||||||||
| Name | Tirofiban | ||||||||||||
| CAS | 144494-65-5 | ||||||||||||
| Formula | C22H36N2O5S | ||||||||||||
| Molar Mass | 440.60 | ||||||||||||
| Appearance | Solid | ||||||||||||
| Transport | Room temperature in continental US; may vary elsewhere. | ||||||||||||
| Storage |
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| Reference | [1]. Giordano A, et al. Tirofiban induces VEGF production and stimulates migration and proliferation of endothelial cells. Vascul Pharmacol. 2014 May-Jun;61(2-3):63-71. [2]. Liu X, et al. Effects of tirofiban on the reperfusion-related no-reflow in rats with acute myocardial infarction. J Geriatr Cardiol. 2013 Mar;10(1):52-8. [3]. Yates YJ, et al. The effect of tirofiban on microvascular thrombosis: crush model. Plast Reconstr Surg. 2005 Jul;116(1):205-8. |
Tirofiban
CAS: 144494-65-5 F: C22H36N2O5S W: 440.60
Tirofiban (L700462) is a selective and reversible platelet integrin receptor (Gp IIb/IIIa) antagonist that inhibits fibr
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