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Öğe An analysis of the impact of buthionine sulfoximine and N-nitro-L-arginine on blood pressure(Biomedpress, 2023) Gungor, Buket; Akdur, Secil; Sılan, Coşkun; Coskun, Ozlem; Aksulu, Hakki EnginIntroduction: The presence of weaknesses in the efficacy of endogenous natriuretic and vasodilator agents plays a significant role in developing high blood pressure. It is often suggested that oxidative stress is critical in developing hypertension due to nitric oxide synthase (NOS) inhibition. This study aimed to investigate the intrarenal dopaminergic system activities, involvement of oxidative stress, and blood pressure changes resulting from NOS inhibition with N-nitro-L-arginine (L-NNA) and/or L-buthionine sulfoximine (BSO).Methods: Male Wistar albino rats (n = 24) were administered water containing 50 mg/L L-NNA for 21 days and/or intraperitoneal injections of BSO (125 mg/kg twice daily) for seven days; control rats were administered tap water. The rats' blood pressure; water and salt balance; total oxidant and antioxidant capacities; and urinary dopamine, adrenaline, and noradrenaline levels were measured.Results: While L-NNA and BSO alone did not significantly alter blood pressure, their coadministration caused rats to develop hypertension and significantly reduced the fractional excretion of sodium, increasing its tubular reabsorption. Urinary dopamine levels, indicators of intrarenal dopamine synthesis, did not change significantly Conclusion: These results indicate the importance of the weakness of endogenous natriuretic systems such as nitric oxide in hypertension development. While BSO did not induce oxidative stress in the measured parameters, it was shown for the first time as an actor in hypertension development in subjects with NOS inhibition to the extent that such inhibition did not increase blood pressure.Öğe Benserazide Applications Cause to the Hypertension in Salt Loaded Rats(Wiley-Blackwell, 2015) Aksulu, Hakki Engin; Akdur, Secil; Gungor, Buket; Sılan, Coşkun[Anstract Not Available]Öğe Buthionine Sulfoximine (BSO) Applications Decrease Sodium Clearance and Cause to the Development of the Hypertension in Rats Treated with Low Doses of N-Nitro-L-Arginine (L-NNA)(Wiley-Blackwell, 2015) Aksulu, Hakki Engin; Sılan, Coşkun; Gungor, Buket; Akdur, Secil[Anstract Not Available]Öğe Changes of the Renal Dopaminergic Activity during the Hypertension Generation with L-NNA Application and Salt Load in Rats(Wiley-Blackwell, 2015) Aksulu, Hakki Engin; Sılan, Coşkun; Gungor, Buket; Akdur, Secil[Anstract Not Available]Öğe Effects of Resveratrol on Hypertension Developing by NOS inhibition(Wiley-Blackwell, 2015) Aksulu, Hakki Engin; Sılan, Coşkun; Gungor, Buket; Akdur, Secil[Anstract Not Available]Öğe Intensive Exercise Developt Hypertension in Rats Fed with High Salty Diet(Wiley-Blackwell, 2015) Sılan, Coşkun; Gungor, Buket; Akdur, Secil; Aksulu, Hakki Engin[Anstract Not Available]
