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Protective effect of galangin in Concanavalin A- induced hepatitis in mice

Authors Luo Q, Zhu L, Ding J, Zhuang X, Xu L, Chen F

Received 15 January 2015

Accepted for publication 14 April 2015

Published 10 June 2015 Volume 2015:9 Pages 2983—2992


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Shu-Feng Zhou

Qingqiong Luo,1,* Liping Zhu,1,* Jieying Ding,1 Xing Zhuang,1 Lili Xu,2 Fuxiang Chen1

1Department of Clinical Immunology, Shanghai Ninth People’s Hospital, Shanghai JiaoTong University School of Medicine, 2Division of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, People’s Republic of China

*These authors contributed equally to this work

Abstract: Galangin is an active pharmacological ingredient from propolis and Alpinia officinarum Hance, and has been reported to have anti-inflammatory and antioxidative properties. The present study aims to reveal the effect of galangin on Concanavalin A (ConA)-induced hepatitis (CIH), a well-established animal model of immune-mediated liver injury, and to clarify the related mechanism. C57BL/6 mice were pretreated with galangin followed by ConA challenge. Results indicated that galangin inhibited ConA-induced liver damage. Mice pretreated with galangin showed more reduction of liver damage when compared with control mice pretreated with vehicle solution. In galangin-pretreated mice with induced CIH, increases in serum levels of several inflammatory cytokines, including tumor necrosis factor-α, interferon-γ, and interleukin-12 were dramatically attenuated, and chemokines and adhesion molecules like interferon inducible protein-10, macrophage inflammatory protein-1α, and intercellular adhesion molecule-1 messenger RNA expressions in liver were decreased. Moreover, CIH mice pretreated with galangin showed less leukocyte infiltration and T-cell activation in the liver. Further, the mechanism of the anti-inflammatory effects of galangin may be attributed to its modulation of crucial inflammatory signaling pathways, including nuclear factor kappa B and interferon-gamma/signal transducer and activator of transcription 1. Collectively, these findings suggest the preventive and therapeutic potential of galangin in immune-mediated liver injury in vivo.

Keywords: galangin, Concanavalin A-induced hepatitis, nuclear factor kappa B, STAT1

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