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Metabolic and antioxidative changes in liver steatosis induced by high-fat, low-carbohydrate diet in rabbits

100%

Birkner E., Kasperczyk S., Kasperczyk A., Zalejska-Fiolka J., Zwirska-Korczala K., Stawiarska-Pieta B., Grucka-Mamczar E.

Journal of Physiology and Pharmacology. Supplement

2005

tom 56

nr 6

45-58

Significantly decreased amounts of carbohydrates and increase of fat in diet (Atkins’ diet, Jan Kwaœniewski’s diet) may interfere with liver metabolism because main source of liver energy are carbohydrates. Large amount of fatty acid in diet may induce overproduction of reactive oxygen species in mitochondria because of increased oxidation and may cause steatosis. The influence of high-fat, low-carbohydrate diet (contained 14 g% protein, 25 g% fat, 8 g% carbohydrate) and compared to usual habitual diet (13 g% protein, 3 g% fat, 28 g% carbohydrate) as a control on liver function was examined in adult male rabbits. Fodder and water was ad libitum. The experiment lasted 24 weeks. At the beginning and every six weeks rabbits were weighed and blood was taken. Plasma glucose and cholesterol concentration, activity of glutamate dehydrogenase, alanine and aspartate in plasma and liver did not change. Concentrations of triacylglycerols (TG) in plasma were lower in the study group. Activity of aldolase increased in plasma and in liver in the study group while activity of sorbite dehydrogenase decreased in plasma at the end of the experiment. Malondialdehyde (MDA) concentration increased in aorta with no changes in liver and erythrocytes. Activity of glutathione peroxidase increased in erythrocytes and liver while total SOD increased only in the liver. High-fat, low-carbohydrate diet despite the lack of growth of the body mass, modifies significantly the homeostasis of carbohydrates and antioxidants in liver and enhanced production of TG in this organ, resulting in its steatosis.

Profil lipidowy w surowicy krwi kobiet i mezczyzn stosujacych diete niskoweglowodanowa 'optymalna'

75%

Boleslawska I., Przyslawski J.

Bromatologia i Chemia Toksykologiczna

2008

tom 41

nr 3

637-640

Ograniczanie wyników

1 Bromatologia i Chemia Toksykologiczna

1 Journal of Physiology and Pharmacology. Supplement

1 Birkner E.

1 Boleslawska I.

1 Grucka-Mamczar E.

1 Kasperczyk A.

1 Kasperczyk S.

1 Przyslawski J.

1 Stawiarska-Pieta B.

1 Zalejska-Fiolka J.

1 Zwirska-Korczala K.

1 2008

1 2005

Wyniki wyszukiwania

Metabolic and antioxidative changes in liver steatosis induced by high-fat, low-carbohydrate diet in rabbits

Profil lipidowy w surowicy krwi kobiet i mezczyzn stosujacych diete niskoweglowodanowa 'optymalna'