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Назив: Inhibition of gasotransmitters production and calcium influx affect cardiodynamic variables and cardiac oxidative stress in propofol-anesthetized male wistar rats
Аутори: Djuric M.
Nikolic Turnic T.
Kostic N.
Radonjic K.
Jeremic, Jovana
Petkovic, Anica
Bradic, Jovana
Stojic, Isidora
Srejovic I.
Zivkovic V.
Djuric, Dragan M.
Jakovljevic V.
Stevanović P.
Датум издавања: 2019
Сажетак: © 2019, Canadian Science Publishing. All rights reserved. It has been assumed that the cardioprotective effects of propofol are due to its non-anesthetic pleiotropic cardiac and vasodilator effects, in which gasotransmitters (NO, H2S, and CO) as well as calcium influx could be involved. The study on isolated rat heart was performed using 4 experimental groups (n = 7 in each): (1) bolus injection of propofol (100 mg/kg body mass, i.p.); (2) L-NAME (NO synthase inhibitor, 60 mg/kg body mass, i.p.) + propofol; (3) DL-PAG (H2S synthase inhibitor, 50 mg/kg body mass, i.p.) + propofol; (4) ZnPPIX (CO synthase inhibitor, 50 μmol/kg body mass, i.p.) + propofol. Before and after the verapamil (3 μmol/L) administration, cardiodynamic parameters were recorded (dp/dtmax, dp/dtmin, systolic left ventricular pressure, diastolic left ventricular pressure, heart rate, coronary flow), as well as coronary and cardiac oxidative stress parameters. The results showed significant increases of diastolic left ventricular pressure following NO and CO inhibition, but also increases of coronary flow following H2S and CO inhibition. Following verapamil administration, significant decreases of dp/dtmax were noted after NO and CO inhibition, then increase of diastolic left ventricular pressure following CO inhibition, and increase of coronary flow following NO, H2S, or CO inhibition. Oxidative stress markers were increased but catalase activity was significantly decreased in cardiac tissue. Gasotransmitters and calcium influx are involved in pleiotropic cardiovascular effects of propofol in male Wistar rats.
URI: https://scidar.kg.ac.rs/handle/123456789/11041
Тип: article
DOI: 10.1139/cjpp-2018-0719
ISSN: 0008-4212
SCOPUS: 2-s2.0-85071625690
Налази се у колекцијама:Faculty of Medical Sciences, Kragujevac

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