Lipopolysaccharide alleviates liver injury induced by thioacetamide in rats
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- 2023.04.05
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- 2013.09
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서지정보
ㆍ발행기관 : 한국예방수의학회(구 한국수의공중보건학회)
ㆍ수록지정보 : 예방수의학회지 / 37권 / 3호
ㆍ저자명 : Jeong-Ran Park, Eunjeong Kim, Jungwon Yang, Hanbyeol Lee, Seok-Ho Hong, Seungkoo Lee, InBum Seo, Se-Min Ryu, Sung-Joon Cho, Heung-Myong Woo, Sung-Min Park, Se-RanYang
영어 초록
Lipopolysaccharide (LPS) is the major of outer membrane of gram-negative bacteria and one of the most potent microbial initiators of inflammation. From the previous study showed that exposure to a low dose of LPS renders animals tolerant to a lethal dose of LPS, and protects against the toxicity of various chemicals. However, the effects of LPS treatment in thioacetamide (TA) - induced liver injury remain largely unknown. Liver injury caused by various toxic chemicals such as carbon tetrachloride, alcohol, dimethylnitrosamine. Here, we induced rat liver injury by intraperitoneal injection of TA, a representative hepatic fibrosis inducer. In this study, we investigated the effects of LPS in TA group, LPS group, LPS/TA group and vehicle control group on Sprague-Dawely rats (five rats for each group). All rats at the end of the experiment were sacrificed, and liver and serum were obtained. Serological analysis and hematoxylin and eosin staining showed that LPS/TA co-treatment was associated with decrease of aspartate aminotransferase (AST), alanine transaminase (ALT) and totalbilirubin and fibrosis than in TA-treated rats. RT-PCR showed that the levels of IL-6 and Cox2 mRNA were lower in the liver of LPS/TA-cotreated rats than in TA-treated rats. There were no significant differences ALT, ALP, AST, total-bilirubin, IL-6 and Cox2 between vehicle control and LPS-treated rats. These results imply that LPS/TA cotreatment partially alleviates the TA-induced liver injury of rats by reducing inflammatory response.
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