FR183998 free base |
Catalog No.GC33895 |
FR183998 free base is a potent Na+/H+-exchange inhibitor, with IC50s of 0.3 nM, 3.1 nM and 6.5 nM by measurement of pHi change in rat lymphocytes, rat and human platelets, respectively.
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Cas No.: 239440-20-1
Sample solution is provided at 25 µL, 10mM.
FR183998 free base is a potent Na+/H+-exchange inhibitor, with IC50s of 0.3 nM, 3.1 nM and 6.5 nM by measurement of pHi change in rat lymphocytes, rat and human platelets, respectively.
FR183998 free base is a Na+/H+-exchange inhibitor, with IC50s of 0.3 nM, 6.5 nM and 3.1 nM by measurement of pHi change in rat lymphocytes, rat and human platelets, respectively[1].
FR183998 (0.1 and 1.0 mg/kg, i.v.) shows no effect hemodynamic parameters, and does not affect mean blood pressure and heart rate in conscious rats. Pretreatment of 0.01, 0.032, 0.10 mg/kg FR183998 or posttreament of 0.032 and 0.10 mg/kg FR183998 via intravenous administration, dose-dependently reuces reperfusion-induced ventricular fibrillation (VF) and mortality in reperfusion-induced arrhythmias in anesthetized rats, with ED50s against VF of 0.015 mg/kg and 0.070 mg/kg, respectively. FR183998 also reduces myocardial infarct sizes, and suppresses the arrhythmias in anesthetized rats[1]. FR183998 (1 mg/kg, i.v.) reduces the increase in serum levels of alanine transaminase, aspartate transaminase, and lactate dehydrogenase induced by hepatic I/R, and prevents the incidences of hepatic necrosis, apoptosis, and neutrophil infiltration. FR183998 blocks the I/R-induced activation of the NF-κB, reduces induction of iNOS and inhibits the production of nitric oxide. FR183998 also decreases the expression of the iNOS gene antisense transcript in the liver of hepatic I/R rats[2].
[1]. Ohara F, et al. Preischemic and postischemic treatment with a new Na+/H+-exchange inhibitor, FR183998, shows cardioprotective effects in rats with cardiac ischemia and reperfusion. J Cardiovasc Pharmacol. 1999 Dec;34(6):848-56. [2]. Ishizaki M, et al. Protective effect of FR183998, a Na+/H+ exchanger inhibitor, and its inhibition of iNOS induction in hepatic ischemia-reperfusion injury in rats. Shock. 2008 Sep;30(3):311-7.
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