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Accession IconGSE10896

Impact of curcumin on human monocytes (U937 cells) exposed to oxidative stress

Organism Icon Homo sapiens
Sample Icon 24 Downloadable Samples
Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

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Description
Oxidative stress as a result of cigarette smoking is an important etiological factor in the pathogenesis of chronic obstructive pulmonary disease (COPD), a chronic steroid-insensitive inflammatory disease of the airways. The activity of the transcriptional co-repressor Histone deacetylase-2 (HDAC2) is dramatically reduced in COPD and cells exposed to oxidative stress or cigarette smoke. Moreover, curcumin (diferuloylmethane), a dietary polyphenol, at concentrations upto 1uM specifically restores cigarette smoke extract (CSE)- or oxidative stress- impaired HDAC2 activity. The aim of this study was to therefore identify any links through those gene sets that are affected by oxidative stress and subsequent treatment with curcumin in order to determine whether or not this could explain the impact of curcumin on restoration of oxidant impaired HDAC2 transcriptional co-repressor activity.
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