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Назив: Differences between α-linolenic and linoleic acid supplementation on the redox status and cardiodynamic parameters of male and female Wistar albino rats
Аутори: Radoman K.
Zivkovic V.
Nikolic V.
Stojic, Isidora
Raicevic, Danijela
Jeremic, Jovana
Srejovic I.
Jakovljevic V.
Датум издавања: 2018
Сажетак: © 2018 by the Serbian Biological Society. The aim of present study was to investigate the difference between α-linolenic acid (ALA, omega-3) and linoleic acid (LA, n-6) on the redox status and cardiac function of the isolated rat heart. ALA or LA were administered for 6 weeks by gavage to all animals, which were randomly divided into 4 groups: male rats treated with a linoleic acid (M-LA), dose of 7.3 mg/kg/day; female rats treated with a linoleic acid (F-LA), dose of 7.3 mg/kg/day; male rats treated with an α-linolenic acid (M-ALA), dose of 165 mg/kg/day; female rats treated with α-linolenic acid (F-ALA), dose of 165 mg/kg/day. Using the Langendorff technique, markers of heart function were evaluated: the maximum and minimum rates of pressure development in the left ventricle (LV; dp/dt max, dp/dt min), systolic and diastolic left ventricle pressure (SLVP, DLVP, respectively), heart rate (HR) and coronary flow (CF). We measured the concentrations of prooxidative markers: nitrites (NO2-), superoxide anion radicals (O2-) and hydrogen peroxide (H2O2), as well as the index of lipid peroxidation (TBARS) in the plasma and effluent. In the lysate, we measured the concentrations of reduced glutathione (GSH), catalase (CAT) and superoxide dismutase (SOD). ALA more negatively influenced the isolated rat heart, especially in females. In contrast, the administration of LA was linked to more prominent oxidative stress, while the application of ALA was associated with improved activity of the antioxidative defense system (with better values in males).
URI: https://scidar.kg.ac.rs/handle/123456789/8686
Тип: article
DOI: 10.2298/ABS170810038R
ISSN: 0354-4664
SCOPUS: 2-s2.0-85047937570
Налази се у колекцијама:Faculty of Medical Sciences, Kragujevac

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