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  • Resveratrol-3,5,4 '-trihydroxystilbene-possesses antioxidant activities in vitro. It dose-dependently inhibited the generation of peroxyl, hydroxyl, peroxides, and lipid peroxidation products in cell free systems. Oxidative burst of whole human blood stimulated with PMA, fMLP, OpZ, and A23187 was inhibited in a concentration-dependent way, indicating suppression of both receptor and nonreceptor activated chemiluminescence by resveratrol. Results from isolated human neutrophils revealed that resveratrol was active extracellularly as well as intracellularly in inhibiting the generation of reactive oxygen species. Liberation of ATP and analysis of apoptosis showed that in the concentration of 100 mu M, resveratrol did not change the viability and integrity of isolated neutrophils. Western blot analysis documented that resveratrol in concentrations of 10 and 100 mu M significantly decreased PMA-induced phosphorylation of PKC alpha/beta II. Dose-dependent inhibition of nitrite production and iNOS protein expression in RAW 264.7 cells indicated possible interference of resveratrol with reactive nitrogen radical generation in professional phagocytes. The results suggest that resveratrol represents an effective naturally occurring substance with potent pharmacological effect on oxidative burst of human neutrophils and nitric oxide production by macrophages. It should be further investigated for its pharmacological activity against oxidative stress in ischaemia reperfusion, inflammation, and other pathological conditions, particularly neoplasia.
  • Resveratrol-3,5,4 '-trihydroxystilbene-possesses antioxidant activities in vitro. It dose-dependently inhibited the generation of peroxyl, hydroxyl, peroxides, and lipid peroxidation products in cell free systems. Oxidative burst of whole human blood stimulated with PMA, fMLP, OpZ, and A23187 was inhibited in a concentration-dependent way, indicating suppression of both receptor and nonreceptor activated chemiluminescence by resveratrol. Results from isolated human neutrophils revealed that resveratrol was active extracellularly as well as intracellularly in inhibiting the generation of reactive oxygen species. Liberation of ATP and analysis of apoptosis showed that in the concentration of 100 mu M, resveratrol did not change the viability and integrity of isolated neutrophils. Western blot analysis documented that resveratrol in concentrations of 10 and 100 mu M significantly decreased PMA-induced phosphorylation of PKC alpha/beta II. Dose-dependent inhibition of nitrite production and iNOS protein expression in RAW 264.7 cells indicated possible interference of resveratrol with reactive nitrogen radical generation in professional phagocytes. The results suggest that resveratrol represents an effective naturally occurring substance with potent pharmacological effect on oxidative burst of human neutrophils and nitric oxide production by macrophages. It should be further investigated for its pharmacological activity against oxidative stress in ischaemia reperfusion, inflammation, and other pathological conditions, particularly neoplasia. (en)
Title
  • On the Molecular Pharmacology of Resveratrol on Oxidative Burst Inhibition in Professional Phagocytes
  • On the Molecular Pharmacology of Resveratrol on Oxidative Burst Inhibition in Professional Phagocytes (en)
skos:prefLabel
  • On the Molecular Pharmacology of Resveratrol on Oxidative Burst Inhibition in Professional Phagocytes
  • On the Molecular Pharmacology of Resveratrol on Oxidative Burst Inhibition in Professional Phagocytes (en)
skos:notation
  • RIV/68081707:_____/14:00435366!RIV15-AV0-68081707
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, V
http://linked.open...iv/cisloPeriodika
  • Jan 28
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...titaPredkladatele
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  • 34468
http://linked.open...ai/riv/idVysledku
  • RIV/68081707:_____/14:00435366
http://linked.open...riv/jazykVysledku
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  • resveratrol; oxidative burst; human neutrophils (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [9BF958A17D55]
http://linked.open...i/riv/nazevZdroje
  • Oxidative Medicine and Cellular Longevity
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2014
http://linked.open...iv/tvurceVysledku
  • Lojek, Antonín
  • Pekarová, Michaela
  • Ambrožová, Gabriela
  • Harmatha, Juraj
  • Drábiková, K.
  • Jančinová, V.
  • Nosáľ, R.
  • Perečko, T.
  • Číž, Milan
  • Šmidrkal, J.
http://linked.open...ain/vavai/riv/wos
  • 000330936400001
issn
  • 1942-0900
number of pages
http://bibframe.org/vocab/doi
  • 10.1155/2014/706269
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