Chebulagic acid (CA) attenuates LPS-induced inflammation by suppressing NF-{kappa}B and MAPK activation in RAW 264.7 macrophages
- Department of Animal Sciences, School of Life Sciences, University of Hyderabad, Gachibowli, Hyderabad 500046 (India)
Chebulagic acid (CA), a natural anti-oxidant, showed potent anti-inflammatory effects in LPS-stimulated RAW 264.7, a mouse macrophage cell line. These effects were exerted via inhibition of NO and PGE{sub 2} production and down-regulation of iNOS, COX-2, 5-LOX, TNF-{alpha} and IL-6. CA inhibited NF-{kappa}B activation by LPS, and this was associated with the abrogation of I{kappa}B-{alpha} phosphorylation and subsequent decreases in nuclear p50 and p65 protein levels. Further, the phosphorylation of p38, ERK 1/2 and JNK in LPS-stimulated RAW 264.7 cells was suppressed by CA in a concentration-dependent manner. LPS-induced generation of reactive oxygen species (ROS) was also effectively inhibited by CA. These results suggest that CA exerts anti-inflammatory effects in LPS-stimulated RAW 264.7 macrophages by inhibition of NF-{kappa}B activation and MAP kinase phosphorylation.
- OSTI ID:
- 21255949
- Journal Information:
- Biochemical and Biophysical Research Communications, Journal Name: Biochemical and Biophysical Research Communications Journal Issue: 1 Vol. 381; ISSN BBRCA9; ISSN 0006-291X
- Country of Publication:
- United States
- Language:
- English
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