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The Metabolites of Arachidonic Acid in Microvascular Function (CROSBI ID 57070)

Prilog u knjizi | izvorni znanstveni rad

Drenjančević, Ines ; Jukić, Ivana ; Mihaljević, Zrinka ; Ćosić, Anita ; Kibel, Aleksandar The Metabolites of Arachidonic Acid in Microvascular Function // Microcirculation Revisited - From Molecules to Clinical Practice / Helena Lenasi (ur.). Rijeka: In Tech, 2016. str. 101-133

Podaci o odgovornosti

Drenjančević, Ines ; Jukić, Ivana ; Mihaljević, Zrinka ; Ćosić, Anita ; Kibel, Aleksandar

engleski

The Metabolites of Arachidonic Acid in Microvascular Function

Arachidonic acid (AA) metabolites have an important role in mediating vascular reactivity to various stimuli, affecting tissue perfusion and tissue supply. In addition, they exert proinflammatory or anti-inflammatory effects on vessels. AA is metabolized by cyclooxygenases (COX) 1 and 2 to prostaglandins (PGs) and thromboxane (TX), by lipooxygenase to leukotrienes ; by cytochrome P450 (CYP450)‐ hydroxylase to 20‐hydroxyeicosatetraenoic acid (20‐HETE) and by CYP450‐epoxygenase to epoxyeicosatrienoic acids (EETs). Increased vascular oxidative stress may induce non- enzymatic production of isoprostanes from AA, which, together with vasoconstrictor metabolites of AA underlie endothelial damage and impaired vascular function. The balance among vasodilator and vasoconstrictor metabolites of AA may be disturbed in cardiometabolic diseases. (e.g. hypertension, obesity, diabetes) Dietary habits significantly affect the metabolism of AA, particularly excessive kitchen salt (NaCl) intake. Control of environmental risks factors, good maintenance of the occurring diseases and balanced nutrition with restricted salt intake can significantly improve the metabolism of AA and alleviate microvascular dysfunction and subsequent organ damage. Current research on pharmacological manipulation of certain components of the AA pathways (such as 20‐HETE production inhibition or prolongation of the life of epoxyeicoatrienoic acids(EETs) by inhibitors of soluble epoxide hydrolaze (sEH)promises effective therapy of cardiovascular and cerebrovascular diseases in the future.

microcirculation, endothelium, arachidonic acid metabolites, 20‐HETE, EETs

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Podaci o prilogu

101-133.

objavljeno

Podaci o knjizi

Microcirculation Revisited - From Molecules to Clinical Practice

Helena Lenasi

Rijeka: In Tech

2016.

978-953-51-2730-7

Povezanost rada

Temeljne medicinske znanosti