Resveratrol attenuates NF-κB-binding activity but not cytokine production in mechanically ventilated mice

S. E.I. Van Der Wal*, M. Vaneker, M. Kox, G. Braak, H. W.H. Van Hees, I. A. Van Den Brink, F. M. Van De Pol, L. M. Heunks, J. G. Van Der Hoeven, L. A.B. Joosten, K. C.P. Vissers, G. J. Scheffer

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Background Mechanical ventilation (MV) can result in inflammation and subsequent lung injury. Toll-like receptor (TLR)4 and NF-κB are proposed to play a crucial role in the MV-induced inflammatory response. Resveratrol (RVT) exhibits anti-inflammatory effects in vitro and in vivo supposedly by interfering with TLR4 signaling and NF-κB. In the present study, we investigated the role of RVT in MV-induced inflammation in mice. Methods RVT (10 mg/kg, 20 mg/kg and 40 mg/kg) or vehicle was intraperitoneally administered 1 h before start of MV (4 h, tidal volume 8 ml/kg, positive end-expiratory pressure 1,5 cmH2O and FiO2 0.4). Blood and lungs were harvested for cytokine analysis. DNA binding activity of transcription factor NF-κB was measured in lung homogenates. Results MV resulted in elevated pulmonary concentrations of IL-1β, IL-6, keratinocyte-derived chemokine (KC) and NF-κB DNA-binding activity. RVT at 10, 20 and 40 mg/kg reduced NF-κB's DNA-binding activity following MV compared with ventilated controls. However, no differences in cytokine release were found between RVT-treated and control ventilated mice. Similarly, in plasma, MV resulted in elevated concentrations of TNF-α, KC and IL-6, but RVT did not affect cytokine levels. Conclusions RVT abrogates the MV-induced increase in pulmonary NF-κB activity but does not attenuate cytokine levels. This implies a less prominent role for NF-κB in MV-induced inflammation than previously assumed.

Original languageEnglish
Pages (from-to)487-494
Number of pages8
JournalActa Anaesthesiologica Scandinavica
Volume58
Issue number4
DOIs
Publication statusPublished - 1 Jan 2014

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