期刊
HEPATITIS MONTHLY
卷 16, 期 8, 页码 -出版社
KOWSAR PUBL
DOI: 10.5812/hepatmon.36821
关键词
CGS21680; A2A Adenosine Receptors; liver Cirrhosis; liver Resection; Interleukin-6
资金
- german academic exchange service (DAAD) [A/06/09904]
Objectives: To investigate the role of CGS21680, a selective adenosine A2A receptor agonist, on a bile-duct-ligated cirrhotic liver resection model in rats. Methods: Male Wistar rats were allotted into 3 groups (n = 7 per time-point): the control group, the bile duct ligation + CGS21680 group (BDL + CGS), and the bile duct ligation group (BDL). Biliary cirrhosis had been previously induced by ligature of the common bile duct in the BDL + CGS and BDL groups. After 2 weeks, the animals underwent partial hepatectomy (50%). The BDL + CGS group received a single dose of CGS21680 15 minutes prior to hepatectomy. Blood samples were collected and analyzed. Results: Aspartate transaminase levels were found to be lower in the control vs BDL groups (1, 3, and 24 h) (P < 0.01) and the BDL + CGS (1 and 3 hours) (P < 0.01) and BDL + CGS vs BDL (24 hours) (P < 0.05) groups. Hepatic flow was measured and BDL showed significantly lower values at the 3, 24, and 168 h time-points compared to the control (P < 0.01) and BDL + CGS groups (P < 0.05 at 3 and 168 hours; P < 0.01 at 24 h). O2C velocity was reduced in the BDL compared to the control group (P < 0.001 at 3 hours; P < 0.01 at 24 and 168 hours) and the BDL + CGS group (P < 0.01 at 24 hours). Interleukin-6 levels were abrogated in the BDL + CGS (P < 0.05) and control (P < 0.01) groups versus BDL. Histone-bound low-molecular-weight DNA fragments in the BDL + CGS (P < 0.01) and control (P < 0.05) groups were low compared to the BDL group. Conclusions: Administration of CGS21680, an adenosine receptor agonist, after the resection of bile-duct-ligated cirrhotic livers led to improved liver function, regeneration, and microcirculation.
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