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Rapeseed oil‑rich diet alters hepatic mitochondrial membrane lipid composition ...
Monteiro, João P.; Pereira, Cláudia V.; Silva, Ana M.; Maciel, Elisabete; Baldeiras, Inês; Peixoto, Francisco; Domingues, Maria R.; Jurado, Amália S.Diet is directly related with physiological alterations occurring at a cell and subcellular level. However, the role of diet manipulation on mitochondrial physiology is still largely unexplored. Aiming at correlating diet with alterations of mitochondrial membrane composition and bioenergetics, Wistar-Han male rats were fed for 11, 22 and 33 days with a rapeseed oil-based diet and mitochondrial bioenergetics, a...
Dioxin-induced acute cardiac mitochondrial oxidative damage and increased activ...
Pereira, Susana P.; Pereira, Gonçalo C.; Pereira, Cláudia V.; Carvalho, Filipa S.; Cordeiro, Marília H.; Mota, Paula C.; Ramalho-Santos, J.The environmental dioxin 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is classified as a Group 1 human carcinogen and teratogenic agent.We hypothesize that TCDD-induced oxidative stress may also interfere with mitochondrial ATP-sensitive potassium channels (mitoKATP), which are known to regulate and to be regulated by mitochondrial redox state. We investigated the effects of an acute treatment of male Wistar rats...
Mechanisms of Berberine (Natural Yellow 18)–Induced Mitochondrial Dysfunction: ...
Pereira, Cláudia V.; Machado, Nuno G.; Oliveira, Paulo J.Berberine [Natural Yellow 18, 5,6-dihydro-9,10-dimethoxybenzo(g)-1,3-benzodioxolo (5,6-a) quinolizinium] is an alkaloid present in plants of the Berberidaceae family and used in traditional Chinese and North American medicine. We have previously demonstrated that berberine causes mitochondrial depolarization and fragmentation, with simultaneous increase in oxidative stress. We also demonstrated that berberine c...
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