Abstract:
:Reynoutria elliptica has been used in traditional Korean medicine to promote blood circulation, relieve pain, increase dieresis, and alleviate respiratory problems, through as yet undefined mechanisms. We set out to determine whether the anti-inflammatory effects of this plant are linked with its ability to suppress mitogen-activated protein kinases (MAPKs) and nuclear factor-κB (NF-κB) activation in lipopolysaccharide (LPS)-activated RAW 264.7 cells. We found for the first time that the hexane fraction of Reynoutria elliptica (HRE) significantly inhibited LPS-stimulated NO and PGE2 synthesis. This is due to the diminishing of the mRNA and protein expression of iNOS and COX-2, respectively. HRE also suppressed LPS-stimulated TNF-α secretion in a dose-dependent manner, which might be due to the suppression of LPS-induced MAPKs and NF-κB activation. Moreover, our HPLC data demonstrated that the major components of the HRE were bioactive compounds such as emodin-6-Glc, emodin, and physcion. Overall, our results indicate that Reynoutria elliptica could be provided as a potential candidate for anti-inflammation treatment.
journal_name
Immunopharmacol Immunotoxicoljournal_title
Immunopharmacology and immunotoxicologyauthors
Lee G,Choi TW,Kim C,Nam D,Lee SG,Jang HJ,Lee JH,Um JY,Jung SH,Shim BS,Ahn KS,Ahn KSdoi
10.3109/08923973.2011.619195subject
Has Abstractpub_date
2012-06-01 00:00:00pages
454-64issue
3eissn
0892-3973issn
1532-2513journal_volume
34pub_type
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