Abstract Title:

Resveratrol inhibits prostaglandin formation in IL-1beta-stimulated SK-N-SH neuronal cells.

Abstract Source:

J Neuroinflammation. 2009;6:26. Epub 2009 Sep 14. PMID: 19751497

Abstract Author(s):

Lena Wendeburg, Antonio Carlos Pinheiro de Oliveira, Harsharan S Bhatia, Eduardo Candelario-Jalil, Bernd L Fiebich


Resveratrol, a polyphenol present in grapes and red wine, has been studied due to its vast pharmacological activity. It has been demonstrated that resveratrol inhibits production of inflammatory mediators in different in vitro and in vivo models. Our group recently demonstrated that resveratrol reduced the production of prostaglandin (PG) E2 and 8-isoprostane in rat activated microglia. In a microglial-neuronal coculture, resveratrol reduced neuronal death induced by activated microglia. However, less is known about its direct roles in neurons. In the present study, we investigated the effects of resveratrol on interleukin (IL)-1beta stimulated SK-N-SH cells. Resveratrol (0.1-5 microM) did not reduce the expression of cyclooxygenase (COX)-2 and microsomal PGE2 synthase-1 (mPGES-1), although it drastically reduced PGE2 and PGD2 content in IL-1beta-stimulated SK-N-SH cells. This effect was due, in part, to a reduction in COX enzymatic activity, mainly COX-2, at lower doses of resveratrol. The production of 8-iso-PGF2alpha, a marker of cellular free radical generation, was significantly reduced by resveratrol. The present work provides evidence that resveratrol reduces the formation of prostaglandins in neuroblastoma cells by reducing the enzymatic activity of inducible enzymes, such as COX-2, and not the transcription of the PG synthases, as demonstrated elsewhere.

Study Type : In Vitro Study

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