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The Korean Journal of Pathology 1995;29(5): 572-583.
The Effects of Immunosuppressant and Immunostimulant on the Splenic Cell Subset of Rats Having Undergone Experimentally Induced Septal Fibrosis of Liver.
Mee Young Sol, Joon Yeon Kim, Sun Kyoung Lee
Department of Pathology, College of Medicine, Pusan National University, Pusan, Korea.
Although there have been many reports about the importance of the spleen's role in hepatic fibrogenesis, the exact mechanism is still uncertain. The author designed this study to evaluate splenic function on hepatic fibrogenesis. The degree of hepatic fibrosis and the population of splenocyte subsets were studied in the experimental animal model with fibrosis produced by injecting normal swine serum intra-peritoneally into Sprague-Dawley rats. The animals were divided into three groups; group A was subjected to injection of swine serum only, group B swine serum and complete Freund's adjuvant and group C swine serum and cyclosporin A. The experimental hepatic fibrogenesis by swine serum was augumented by coinjection with the adjuvant and inhibited by cyclosporin A. The study of the splenocyte subset revealed increased percentages of spienic B cell and CD4+ cell and a decreased percentage of CD8+ cell, and these changes of splenocyte subset were also augumented by the adjuvant and inhibited by cyclosporin A. The percent of monocytes was not significantly altered, although a tendancy of early decrease by the adjuvant was noted.
Key Words: Hepatic fibrosis; Splenocyte subsets; Freund's adjuvant; Cyclosporin A
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