Abstract:
:The efficacy of silymarin treatment in preventing biochemical and histological alterations in CCL4-induced liver cirrhosis in rats was studied. Four groups of rats were treated with: (1) CCL4; (2) mineral oil; (3) CCL4 + silymarin; and (4) silymarin. All animals were sacrificed 72 h after the end of treatments. The activities of alkaline phosphatase (alk. phosp.), gamma-glutamyl transpeptidase (GGTP), glutamic pyruvic transaminase (GPT) and glucose-6-phosphatase (G6Pase), and bilirubin content were determined in serum. Na+, K+-ATPase and Ca++-ATPase activities were measured in isolated plasma membranes. Lipoperoxidation, triglycerides (TG), and glycogen contents were also measured in liver homogenates. Liver cirrhosis was evidenced by significant increases in liver collagen, lipoperoxidation, serum activities of alk. phosp., GGTP, GPT, G6Pase, bilirubin content, and liver TG. Activities of ATPases determined in plasma membranes were significantly reduced, as was liver glycogen content. Silymarin cotreatment (50 mg/kg b.wt) completely prevented all the changes observed in CCL4-cirrhotic rats, except for liver collagen content which was reduced only 30% as compared to CCL4-cirrhotic rats. Silymarin protection can be attributed to the agent's antioxidant and membrane-stabilizing actions.
journal_name
Fundam Clin Pharmacoljournal_title
Fundamental & clinical pharmacologyauthors
Mourelle M,Muriel P,Favari L,Franco Tdoi
10.1111/j.1472-8206.1989.tb00449.xsubject
Has Abstractpub_date
1989-01-01 00:00:00pages
183-91issue
3eissn
0767-3981issn
1472-8206journal_volume
3pub_type
杂志文章abstract::The contribution of Na+, Ca2+, and various K+ currents to the shape of the cardiac action potential is outlined based on the relation between electrophysiological properties and structure of channel molecules. These currents have also been found in human ventricular myocytes, where the most prominent K+ current is a t...
journal_title:Fundamental & clinical pharmacology
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