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The role of Arachidonic acid metabolites in cardiovascular system and signaling of heart failure
Liptáková, Andrea ; Žurmanová, Jitka (advisor) ; Holzerová, Kristýna (referee)
Arachidonic acid (AA) is polyunsaturated acid that plays an important role in regulation of physiology, bioenergetic and signalling cascades in the heart. AA released by phospholipase A2-catalysed hydrolysis of membrane phospholipids serves as substrate for cyclooxygenase, lipooxygenase and cytochrome P450 epoxygenase to produce a wide spectrum of lipid second messengers, eicosanoids. These very biologically potent molecules regulate a number of cellular processes in the cardiovascular system and changes in their composition and concentration significantly contribute to heart failure. The aim of this thesis was to summarize current knowledge about the role of AA in failing heart. Keywords : Heart, Arachidonic Acid, Heart Failure, Eicosanoids, Cardiovascular System

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