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International Journal of Experimental Pathology logoLink to International Journal of Experimental Pathology
. 1993 Oct;74(5):463–469.

Zinc supplementation in experimental liver cirrhosis: a morphological, structural and ultrastructural study.

E Gaudio 1, L Pannarale 1, A Franchitto 1, O Riggio 1
PMCID: PMC2002171  PMID: 8217781

Abstract

Zinc treatment in liver cirrhosis is known to prevent a number of clinical symptoms. Previous studies have also indicated that Zn has a protective effect on the development of the clinical, biochemical and morphological manifestations of hepatic injury if administered simultaneously with the noxious agent. In this study, the protective effects of zinc treatment against the development of liver cirrhosis have been tested in cirrhotic rats treated by intragastric administration of CCl4. The development of morphological lesions has been investigated by means of standardized and comparable techniques, LM, TEM, SEM, microvascular casts and measurements of liver collagen content by colorimetric determination in paraffin embedded sections. LM and EM observations showed typical morphological features of cirrhosis in all CCl4 treated rats. In the same group of animals, the microvascular casts showed the development of the typical 'perinodular' branching and the various anastomoses of pre and post-sinusoidal vessels. Colorimetric evaluation has shown a significant increase in collagen content after CCl4 treatment. Qualitative and quantitative data of livers of CCl4 treated rats supplemented or not with zinc were significantly similar. In conclusion, zinc treatment influences biochemical parameters, but not the morphology of liver cirrhosis.

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Selected References

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