نتایج جستجو برای: 4 hydroxy 2 nonenal

تعداد نتایج: 3126698  

2016
Harold W. Gardner

It is demonstrated that (3Z)-nonenal (NON) and (3Z)-hexenal (HEX) are oxidized in a cascade by lipoxygenase (LOX) and hydroperoxide peroxygenase (HP peroxygenase) into (2E)-4-hydroxy-2nonenal (HNE) and (2E)-4-hydroxy-2-hexenal (HHE), respectively. In turn, HNE inactivates LOX terminating the cascade. The hydroxy-alkenals produced serve to inhibit plant pathogens, which initiated the cascade. In...

Journal: :Clinical chemistry and laboratory medicine 2006
Ingrid Zitnanová Peter Korytár Hana Sobotová L'ubica Horáková Mária Sustrová Siegfried Pueschel Zdenka Duracková

BACKGROUND Persons with Down syndrome have increased vulnerability to oxidative stress caused by overexpression of superoxide dismutase, an antioxidant enzyme coded on chromosome 21. Increased oxidative stress may lead to oxidative damage of important macromolecules. We monitored this damage by measuring levels of different biomarkers of oxidative stress (protein carbonyls and 4-hydroxy-2-nonen...

Journal: :Free radical biology & medicine 2010
Eric K Long Thad A Rosenberger Matthew J Picklo

Ethanol withdrawal increases lipid peroxidation of the polyunsaturated fatty acid (PUFA) docosahexaenoate (22:6; n-3) in the CNS. To further define the role of oxidative damage of PUFAs during ethanol withdrawal, we measured the levels of glutathione adducts of 4-hydroxy-2-hexenal (GSHHE) and 4-hydroxy-2-nonenal (GSHNE) as biomarkers of brain lipid peroxidation of n-3 and n-6 PUFAs, respectivel...

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