Lili Zhang1, Huiying Zhang1, Limin Wang2, Yimin Fan2, Cuiying Zhang1, Xujiong Li1, Dewu Han3, Cheng Ji4. 1. Department of Pathophysiology, Changzhi Medical College, No. 161, Jiefang East Street, Changzhi, Shanxi 046000, China. 2. Function Laboratory, Changzhi Medical College, Changzhi, Shanxi 046000, China. 3. Institute of Liver Diseases, Shanxi Medical University, Taiyuan, Shanxi 030001, China. 4. Research Center for Liver Diseases, Keck School of Medicine, University of Southern California, Loa Angeles, CA 90089, USA.
Abstract
OBJECTIVE: The aim of this study is to investigate the protective effects of emodin (EMD) on the lung injuries in the rat models of liver fibrosis. METHODS: Liver fibrosis was established in rats and the effect of intervention using EMD treatment was determined. Liver and lung weight coefficients were measured and lung content of TNF-α (tumor necrosis factor α), MDA (malondialdehyde), NO (nitric oxide), and ONOO- (peroxynitrite) were determined. Finally, histopathological changes were evaluated. RESULTS: Compared with the normal control group, the lung weight coefficient was significantly increased in the fibrosis model group. Moreover, pulmonary edema and inflammatory responses were observed. Levels of TNF-α, MDA, NO, and ONOO- in the lung homogenate were significantly increased in the fibrosis model group. After EMD treatment, the lung weight coefficients were significantly reduced. Moreover, pathological changes in the lung tissue were dramatically alleviated. Levels of TNF-α, MDA, NO, and ONOO- were significantly decreased. CONCLUSION: EMD exhibits protective effects against lung injuries in a rat model of liver fibrosis.
OBJECTIVE: The aim of this study is to investigate the protective effects of emodin (EMD) on the lung injuries in the rat models of liver fibrosis. METHODS: Liver fibrosis was established in rats and the effect of intervention using EMD treatment was determined. Liver and lung weight coefficients were measured and lung content of TNF-α (tumor necrosis factor α), MDA (malondialdehyde), NO (nitric oxide), and ONOO- (peroxynitrite) were determined. Finally, histopathological changes were evaluated. RESULTS: Compared with the normal control group, the lung weight coefficient was significantly increased in the fibrosis model group. Moreover, pulmonary edema and inflammatory responses were observed. Levels of TNF-α, MDA, NO, and ONOO- in the lung homogenate were significantly increased in the fibrosis model group. After EMD treatment, the lung weight coefficients were significantly reduced. Moreover, pathological changes in the lung tissue were dramatically alleviated. Levels of TNF-α, MDA, NO, and ONOO- were significantly decreased. CONCLUSION: EMD exhibits protective effects against lung injuries in a rat model of liver fibrosis.
Authors: Yan Ding; Lei Zhao; Hong Mei; Shu-Ling Zhang; Zhi-Hua Huang; Yan-Ying Duan; Pian Ye Journal: Eur J Pharmacol Date: 2008-06-17 Impact factor: 4.432