JOURNAL ARTICLE

Effects of repeated high dosage of chloral hydrate and pentobarbital sodium anesthesia on hepatocellular system in rats

Jianhong Yu, Xuehui Sun, Guifeng Sang
International Journal of Clinical and Experimental Medicine 2015, 8 (7): 10568-76
26379846
This study aims to investigate the possible effects of repeated high dosage of chloral hydrate and pentobarbital sodium anesthesia on hepatocellular system in rats. Thirty Sprague Dawley rats were randomly divided into 3 groups: control group (group A), chloral hydrate group (group B) and pentobarbital sodium group (group C). Antioxidant enzymes superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), glutathione s transferase (GST) and catalase (CAT) activities and thiobarbituric acid-reactive substances (TBARS) level as well as serum biochemical parameters alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP) and total bilirubin (T-BIL) were determined. Liver histopathological examinations were performed at termination. Furthermore, Bax and Bcl-2 expression, and caspase-3 activity were also evaluated. The SOD, GSH-Px, GST and CAT activities significantly decreased but TBARS levels increased in group B and C compared with group A. Hepatic injury was evidenced by a significant increase in serum ALT, AST and ALP activities in group B and C, which also confirmed by the histopathological alterations. Moreover, administration of chloral hydrate and pentobarbital sodium could induce certain hepatic apoptosis accompanied by the upregulated Bax expression, the downregulated Bcl-2 expression and Bcl-2/Bax ratio, and the increase of caspase-3 activity. Repeated high dosage of chloral hydrate and pentobarbital sodium anesthesia could produce hepatotoxicity.

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