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Article Publish Status: FREE
Abstract Title:

Evaluation of Anti-Inflammatory Activities of a Triterpeneβ-Elemonic Acid in Frankincense In Vivo and In Vitro.

Abstract Source:

Molecules. 2019 Mar 26 ;24(6). Epub 2019 Mar 26. PMID: 30917586

Abstract Author(s):

Yue Zhang, Ying-Li Yu, Hua Tian, Ru-Yu Bai, Ya-Nan Bi, Xiao-Mei Yuan, Li-Kang Sun, Yan-Ru Deng, Kun Zhou

Article Affiliation:

Yue Zhang

Abstract:

The purpose of this research was to extract and separate the compounds from frankincense, and then evaluate their anti-inflammatory effects. The isolated compound was a representative tetracyclic triterpenes of glycine structure according to¹H-NMR andC-NMR spectra, which isβ-elemonic acid (β-EA). We determined the content of six different localities of frankincense; the average content of β-EA was 41.96 mg/g. The toxic effects of β-EA administration (400, 200, 100 mg/kg) for four weeks in Kunming (KM) mice were observed. Compared with the control group, the body weight of mice, the visceral coefficients and serum indicators in the β-EA groups showed no systematic variations. The anti-inflammatory effects of β-EA were evaluated in LPS-induced RAW264.7 cells, xylene-induced induced ear inflammation in mice, carrageenin-induced paw edema in mice, and cotton pellet induced granuloma formation in rats. β-EA inhibited overproduction of tumor necrosis factor-α(TNF-α), interleukin-6 (IL-6), monocyte chemotactic protein 1 (MCP-1), soluble TNF receptor 1 (sTNF R1), Eotaxin-2, Interleukin 10 (IL-10) and granulocyte colony-stimulating factor (GCSF) in the RAW264.7 cells. Intragastric administration with β-EA (300, 200, and 100 mg/kg in mice, and 210, 140, and 70 mg/kg in rats) all produced distinct anti-inflammatory effects in vivo in a dose-dependent manner. Following treatment with β-EA (300 mg/kg, i.g.), the NO level in mice ears and PGE2 in mice paws both decreased (0.01). In conclusion, our study indicates thatβ-EA could be a potential anti-inflammatory agent for the treatment of inflammatory diseases.

Study Type : Animal Study, In Vitro Study

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