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Abstract Title:

Oleanolic acid acetate attenuates polyhexamethylene guanidine phosphate-induced pulmonary inflammation and fibrosis in mice.

Abstract Source:

Respir Physiol Neurobiol. 2018 Mar 2 ;252-253:1-9. Epub 2018 Mar 2. PMID: 29505886

Abstract Author(s):

Min-Seok Kim, Jin-Young Han, Sung-Hwan Kim, Doin Jeon, Hyeon-Young Kim, Seung Woong Lee, Mun-Chual Rho, Kyuhong Lee

Article Affiliation:

Min-Seok Kim

Abstract:

Oleanolic acid acetate (OAA), triterpenoid compound isolated from Vigna angularis (azuki bean), has been revealed anti-inflammatory in several studies. We investigated the effects of OAA against polyhexamethylene guanidine phosphate (PHMG-P)-induced pulmonary inflammation and fibrosis in mice. OAA treatment effectively alleviated PHMG-P-induced lung injury, including the number of total and differential cell in BAL fluid, histopathological lesions and hydroxyproline content in a dose dependent manner. Moreover, OAA treatment significantly decreased the elevations of IL-1β, IL-6, TNF-α, TGF-β1, and fibronectin, and the activation of the NOD-like receptor family, pyrin domain containing 3 (NLRP3) inflammasome in the lungs of PHMG-P-treated mice. Cytokines are known to be key modulators in the inflammatory responses that drive progression of fibrosis in injured tissues. The activation of NLRP3 inflammasome has been reported to be involved in induction of inflammatory cytokines. These results indicate that OAA may mitigate the inflammatory response and development of pulmonary fibrosis in the lungs of mice treated with PHMG-P.

Study Type : Animal Study

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