期刊
ARCHIVES OF PHARMACAL RESEARCH
卷 36, 期 5, 页码 608-618出版社
PHARMACEUTICAL SOC KOREA
DOI: 10.1007/s12272-013-0033-6
关键词
Sinapic acid; Hepatoprotective effect; Antifibrogenic effect; Antioxidant effect; Liver fibrosis; Hepatic stellate cell; NF-kappa B p65; TGF-beta 1
Sinapic acid is a member of the phenylpropanoid family and is abundant in cereals, nuts, oil seeds, and berries. It exhibits a wide range of pharmacological properties. In this study, we investigated the hepatoprotective and antifibrotic effects of sinapic acid on dimethylnitrosamine (DMN)-induced chronic liver injury in rats. Sinapic acid remarkably prevented DMN-induced loss of body weight. This was accompanied by a significant increase in levels of serum alanine transaminase, aspartate transaminase, and liver malondialdehyde content. Furthermore, sinapic acid reduced hepatic hydroxyproline content, which correlated with a reduction in the expression of type I collagen mRNA and histological analysis of collagen in liver tissue. Additionally, the expression of hepatic fibrosis-related factors such as alpha-smooth muscle actin and transforming growth factor-beta 1 (TGF-beta 1), were reduced in rats treated with sinapic acid. Sinapic acid exhibited strong scavenging activity. In conclusion, we find that sinapic acid exhibits hepatoprotective and antifibrotic effects against DMN-induced liver injury, most likely due to its antioxidant activities of scavenging radicals, its capacity to suppress TGF-beta 1 and its ability to attenuate activation of hepatic stellate cells. This suggests that sinapic acid is a potentially useful agent for the protection against liver fibrosis and cirrhosis.
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