Recovery of rats with fulminant hepatic failure by using a hybrid artificial liver support system with polyurethane foam/rat hepatocyte spheroids

R. Sakiyama, K. Nakazawa, H. Ijima, H. Mizumoto, T. Kajiwara, M. Ito, H. Ishibashi, Kazumori Funatsu

研究成果: ジャーナルへの寄稿記事

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We studied the recovery of rats with fulminant hepatic failure (FHF) by treating then with our original hybrid artificial liver support system (HALSS). FHF was induced by a two-thirds partial hepatectomy and 10 minutes of hepatic ischemia. Rats with FHF were treated with a polyurethane foam/spheroid HALSS including 2.0 × 108 hepatocytes for 1 hour (HALSS group, n = 5), and with the same system without hepatocytes in the artificial liver module as a control experiment (sham-HALSS group, n = 3). The level of blood constituents, ammonia, glucose and creatinine, showed no major difference between the two groups at the end of treatment. All rats in the sham-HALSS group died within 5 hours after treatment. However, the level of blood constituents of rats with FHF in the HALSS group improved with time, and all rats in the HALSS group recovered Liver tissue of rats treated with HALSS showed cell mitosis and improvement from injury. These results indicated that our HALSS has a strong possibility to induce recovery from hepatic failure.

元の言語英語
ページ(範囲)1144-1152
ページ数9
ジャーナルInternational Journal of Artificial Organs
25
発行部数12
出版物ステータス出版済み - 12 1 2002

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All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Medicine (miscellaneous)
  • Biomaterials
  • Biomedical Engineering

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