Original Article Effects of Lacidipine, Ramipril and Valsartan on Serum BNP Levels in Acute and Chronic Periods Following Isoproterenol-Induced Myocardial Infarction in Rats Lasidipin, Ramipril ve Valsartanın Sıçanlarda Isoprotrenol ile Uyarılan Miyokard Infarktüsü Sonrası Akut ve Kronik Periyotta Serum BNP Seviyeleri Üzerine Etkileri Yasin Bayir1, Elif Cadirci2, Halis Suleyman2, Zekai Halici2, Mevlut Sait Keles3 1Ataturk University, Faculty of Pharmacy, Department of Biochemistry, Erzurum, Turkey 2Ataturk University, Faculty of Medicine, Department of Pharmacology, Erzurum, Turkey 3Ataturk University, Faculty of Medicine, Department of Biochemistry, Erzurum, Turkey Correspondence to: Elif Cadirci, Ph.D., Atatürk University, Faculty of Medicine, Department of Pharmacology, 25240, Erzurum, Turkey. Phone: +90.442.2316563, Fax: +90.442.2360968, e-mail:
[email protected] Abstract Özet Objective. Myocardial infarction (MI) as a result of cardiovas- Amaç. Miyokard infarktüsü (Mİ) hem gelişmiş hem de cular disease is the principal cause of death in both developed gelişmekte olan ülkelerde kardiyovasküler hastalıklar sonucu and developing countries. Brain natriuretic peptide (BNP) is an oluşan ölümün esas sebebidir. Brain natriuretic peptide (BNP) important marker of cardiac failure. Cardioprotective activities kardiyak hasarın önemli bir göstergesidir. Antihipertansif il- of the antihypertensive drugs lacidipine (LAC), ramipril (RAM) açlar olan lasidipin (LAC), ramipril (RAM) ve valsartanın, izo- and valsartan (VAL), against isoproterenol