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- W2246401170 abstract "It is well known that hepatocyte transplantation can retain some proper functions, significantly improve the survival rate of rats with different models of acute fulminant hepatic failure, correct some congenital genetic disorders, and improve liver function in cirrhosis. Portal hypertension and hepatic embolization have been described following intrasplenic hepatocyte transplantation. We evaluated the effect of temporary occlusion of splenic vessels on changes in portal vein pressure and on distribution of transplanted hepatocytes after hepatocyte transplantation into the spleen in normal rats.Liver cirrhosis has been induced in rats by 1% dimethylnitrosamine (Sigma, St. Louis, Mo) dissolved in normal saline at the dose of 10 ml of DMN/Kg, i.p., 3 consecutive days a week for 4 weeks. Donor hepatocytes were harvested by in situ ethylenediaminetetraacetic acid (EDTA) perfusion. Changes in portal vein pressures were monitored by a pressure monitor and distribution of transplanted hepatocytes was assayed by measurement of radioactivity of 51Cr-labeled transplanted hepatocytes according to clamping or non-clamping during intrasplenic hepatocyte transplantation.The changes in portal pressure remained significantly high 10 min after hepatocyte transplantation in the nonocclusion groups compared to the occlusion groups. However, the changes in portal vein pressures in cirrhotic rats returned to normal faster than in normal rats after cell transplantation in the nonocclusion groups. The distribution of 51Cr-labeled transplanted hepatocytes into the spleen significantly diminished radioactivity of the liver at 10 min, 2 hours, and 24 hours in the occlusion groups compared to the nonocclusion groups. Also, duration of clamping time of splenic vessels did not influence the initial distribution of transplanted hepatocytes at the time of intrasplenic hepatocyte injection.These results suggested that temporary occlusion of splenic vessels should be routinely used during intrasplenic hepatocyte transplantation." @default.
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- W2246401170 date "1999-02-10" @default.
- W2246401170 modified "2023-09-23" @default.
- W2246401170 title "Can clamping of splenic vessels prevent abrupt increase of portal vein pressure and migration of transplanted hepatocytes to the liver after intrasplenic hepatocyte transplantation?" @default.
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