Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry Any of various
prostaglandin -likecompounds formedin vivo from thefree radical -catalyzed peroxidation ofessential fatty acids (primarilyarachidonic acid ) without the direct action ofcyclooxygenase enzyme .
Etymologies
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Examples
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Researchers can perform various experimental procedures and measure the release of isoprostanes in the urine and determine how much oxidative stress and free radical damage their procedure caused. 8-iso PGF is simply a specific isoprostane commonly used experimentally to determine the degree of oxidative stress/free radical damage.
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In some studies, this isoprostane elevation has been shown to cause in vivo vasoconstriction and increase the aggregation of platelets
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Quercetin also led to a noticeable decrease in the inflammation processes that are known to contribute to plaque formation (the production of isoprostane F2 and leukotriene B4, for example), while increasing production of nitrous oxide (NO), a vasodilator that helps prevent arteriosclerosis.
London Free Press 2010
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Significant reductions in 8-epi-isoprostane levels were found in the compartments except the choroid-sclera or plasma, indicating antioxidative activities of catechins in these tissues, concluded the team.
NutraIngredients RSS jane.byrne@decisionnews.com 2010
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Quercetin also led to a noticeable decrease in the inflammation processes that are known to contribute to plaque formation (the production of isoprostane F2 and leukotriene B4, for example), while increasing production of nitrous oxide (NO), a vasodilator that helps prevent arteriosclerosis.
London Free Press 2010
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And the eyes of the animals were then dissected into cornea, lens, retina, choroid-sclera, vitreous humor, and aqueous humor for analysis of catechins and 8-epi-isoprostane by HPLC-ECD and GC-NCI-MS, respectively.
FoodNavigator-USA RSS jane.byrne@decisionnews.com 2010
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And the eyes of the animals were then dissected into cornea, lens, retina, choroid-sclera, vitreous humor, and aqueous humor for analysis of catechins and 8-epi-isoprostane by HPLC-ECD and GC-NCI-MS, respectively.
NutraIngredients RSS jane.byrne@decisionnews.com 2010
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Significant reductions in 8-epi-isoprostane levels were found in the compartments except the choroid-sclera or plasma, indicating antioxidative activities of catechins in these tissues, concluded the team.
FoodNavigator-USA RSS jane.byrne@decisionnews.com 2010
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Quercetin also led to a noticeable decrease in the inflammation processes that are known to contribute to plaque formation (the production of isoprostane F2 and leukotriene B4, for example), while increasing production of nitrous oxide (NO), a vasodilator that helps prevent arteriosclerosis.
Winnipeg Sun 2010
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Urinary isoprostane was also significantly lowered after 200 mg/d DHA but was increased after 1600 mg/d.
FuturePundit 2009
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