Abstract Title:

Saikosaponin a Inhibits Cigarette Smoke-Induced Oxidant Stress and Inflammatory Responses by Activation of Nrf2.

Abstract Source:

Inflammation. 2018 Aug ;41(4):1297-1303. PMID: 29654431

Abstract Author(s):

Ru-Jie Chen, Xian-Yang Guo, Bi-Huan Cheng, Yu-Qiang Gong, Bin-Yu Ying, Meng-Xiang Lin

Article Affiliation:

Ru-Jie Chen


Saikosaponin a (SSa), a triterpenoid saponin, has numerous pharmacological properties, including anti-inflammatory and antioxidant effects. The purpose of this study was to investigate whether and how SSa protected against cigarette smoke (CS)-induced lung inflammation in mice. The mice were exposed to CS and SSa was administered by an intraperitoneal (i.p.) injection 1 h before CS treatment for 5 consecutive days. The results showed that SSa significantly inhibited CS-induced inflammatory cell infiltration, NO, TNF-α, and IL-1β production in BALF. SSa also inhibited CS-induced MPO and MDA contents in lung tissues. Furthermore, SSa significantly inhibited CS-induced NF-κB and upregulated the expression of Nrf2 and HO-1. In conclusion, these results support a therapeutic potential for SSa in CS-induced lung inflammation.

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