Flavonoids from Rhynchosia minima root exerts anti-inflammatory activity in lipopolysaccharide-stimulated RAW 264.7 cells via MAPK/NF-κB signaling pathway.

Abstract:

:Rhynchosia minima root, a folk herbal medicine in southern China, is used to relieve itch and swelling. In this study, we examined the anti-inflammatory property of an ethanol fraction (EEF6) from R. minima root on lipopolysaccharide (LPS)-induced RAW 264.7 cells, as well as its underlying mechanism. The compound composition of EEF6 was determined by high-performance liquid chromatography-mass spectrometry. The result showed that five flavonoids compounds, 2',4',5,7-tetrahydroxyisoflavone, genistein-8-C-glucopyranoside, tricin, genistein, and daidzein, were identified in EEF6. In addition, EEF6 exhibited potent anti-inflammatory ability against LPS-stimulated RAW 264.7 cells via MAPK/NF-κB signaling pathways by decreasing the secretion of nitric oxide (NO), interleukin (IL)-6, TNF-α, and monocyte chemotactic protein (MCP)-1, inhibiting the translocation of p65 from cytoplasm to nucleus, and suppressing the phosphorylation of ERK, JNK, and p38. These results indicated that EEF6 could be a promising ingredient for inflammation management.

journal_name

Inflammopharmacology

journal_title

Inflammopharmacology

authors

Jia X,Zhang C,Bao J,Wang K,Tu Y,Wan JB,He C

doi

10.1007/s10787-019-00632-2

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

289-297

issue

1

eissn

0925-4692

issn

1568-5608

pii

10.1007/s10787-019-00632-2

journal_volume

28

pub_type

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