Volume 22, Issue 2 (May-Jun 2014)                   JSSU 2014, 22(2): 1140-1152 | Back to browse issues page

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karami M. A Review of Liver Perfusion Method in Toxicology Studies. JSSU 2014; 22 (2) :1140-1152
URL: http://jssu.ssu.ac.ir/article-1-2449-en.html
Abstract:   (7693 Views)
Introduction: The isolated perfused rat liver is an accepted method in toxicology studies. The isolated perfused rat liver (IPRL) is a useful experimental system for evaluating hepatic function without the influence of other organ systems, undefined plasma constituents, and neural-hormonal effects. Methods: The untreated male rats (180-220gr body weight) were anesthetised with ether and then surgery with proper method. The abdomen was opened through a midline and one transversal incision and the bile duct was cannulated. Heparin sodium solution (0.5 ml 500 U/ml in 0.9% NaCl) was injected via the abdominal vena cava to prevent blood clotting. The liver inferior venacava was cannulated with PE-10 tubing and secured. The portal vein was immediately cannulated with an 23gr catheter which was secured and then liver was perfused in situ by Krebs- Henseleit buffer (pH 7.4 saturated with 95% O2 and 5% CO2 37°C) at a flow rate of 20 ml/min for 3hr. Temperature, perfusion pressure, flow rate and perfusion fluid pH were closely monitored during the perfusion. Results: Transferase enzymes (ALT, AST) alterations can be widely used as a measure of biochemical alterations in order to assess liver damage due to use of drugs such as isoniazid (INH) and animal and plant toxins. Accumulated material in gallbladder are valuable samples to assess the level of Glutathione (GSH). Sections of perfused liver tissue can also be effectively analyzed for pathological aspects such as necrosis, fibrosis, cellularity. Conclusion: The isolated perfused rat liver (IPRL) is a useful and Sutible experimental system for evaluating hepatic function. In this system, the effects of adjacent organs, on the liver is minimized
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Type of Study: Review article | Subject: Pharmacology
Received: 2013/06/14 | Accepted: 2014/02/15 | Published: 2014/06/7

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