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Intestinal permeability assessed by 51Cr-EDTA in rats with CCl4 - induced cirrhosis.

CONTEXT
The straight relationship between cirrhosis and impaired intestinal barrier has not been elucidated yet.


OBJECTIVES
To verify (51)Cr-EDTA-intestinal permeability in rats with CCl(4)-induced cirrhosis and controls.


METHOD
Fifty male Wistar rats weighing 150-180 g were separated in three groups: 25 animals received CCl(4) 0.25 mL/kg with olive oil by gavage with 12 g/rat/day food restriction for 10 weeks (CCl(4)-induced cirrhosis); 12 received the same food restriction for 10 weeks (CCl(4)-non exposed). Other 13 rats received indomethacin 15 mg/kg by gavage as positive control of intestinal inflammation.


RESULTS
The median (25-75 interquartile range) (51)Cr-EDTA-IP values of cirrhotic and CCl(4)-non exposed rats were 0.90% (0.63-1.79) and 0.90% (0.60-1.52) respectively, without significant difference (P = 0.65). Animals from indomethacin group showed (51)Cr-EDTA-IP, median 7.3% (5.1-14.7), significantly higher than cirrhotic and CCl(4)-non exposed rats (P<0.001).


CONCLUSION
This study showed the lack of difference between (51)Cr-EDTA-intestinal permeability in rats with and without cirrhosis. Further studies are necessary to better clarify the relationship between intestinal permeability and cirrhosis.