Abnormal Accumulation of Copper-Metallothionein in the Liver and Kidney of Long-Evans Rats with a Cinnamon-Like Coat Color (LEC Rats)

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概要

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• We determined the copper (Cu) and metallothionein (MT) concentrations in the liver and kidney supernatants of Long-Evans rats with a cinnamon-like coat color (LEC rats), and also measured the Cu and MT levels in the serum of these rats. Seven-week-old rats had abnormally high levels of both substances in the liver. The levels in the liver supernatant were over 80-and 16-fold higher, respectively, in LEC rats than in normal 7-week-old Wistar rats. LEC rats suffering from acute hepatitis or hepatoma had a much higher level of hepatic MT, but the Cu level was higher only in the liver of those with hepatoma. The serum levels of Cu and MT in LEC rats with acute hepatitis were more than 10-fold higher than those in normal LEC rats. These levels were decreased in the rats with chronic hepatitis or hepatoma. In the liver of LEC rats with hepatoma, the area of hepatocellular carcinoma and of noncancerous liver showed over twice higher Cu and MT levels than the area of chloangiofibrosis. The Sephadex G-75 elution profile from the liver supernatant of a normal LEC rat showed that the peak of Cu closely corresponded to that of MT recognized with anti-MT antiserum. The levels of Cu and MT in the kidney supernatant of LEC rats with acute hepatitis were more than 25-fold higher than in that of normal LEC rats. However, there were no marked increases in the levels in the kidney supernatant of LEC rats with chronic hepatitis or hepatoma.

• 社団法人日本薬学会の論文
• 1994-05-15

著者

• 鈴木 信孝

  Faculty Of Pharmaceutical Sciences Osaka University

• 小濱 靖弘

  阪大薬

• 小濱 靖弘

  大阪大学 薬 微薬品化

• 辻川 和丈

  阪大薬

• 小濱 靖弘

  Faculty of Pharmaceutical Sciences, Osaka University

• 辻川 和丈

  Faculty of Pharmaceutical Sciences, Osaka University

• 三村 務

  Faculty of Pharmaceutical Sciences, Osaka University

• 飯田 健太郎

  Faculty of Pharmaceutical Sciences, Osaka University

• 島岡 俊雄

  Faculty of Pharmaceutical Sciences, Osaka University

• 小滝 規子

  National Institute of Industrial Health

• 木村 正己

  Department of Molecular Biology, Keio University School of Medicine

• 杉山 俊博

  First Department of Biochemistry, Akita University School of Medicine

• 三村 務

  大阪大学薬学部

• Tanaka K

  Department Of Molecular Engineering Graduate School Of Engineering Kyoto University

• 小浜 靖弘

  大阪大学薬学部

• Tanaka Ken-ichiro

  Faculty Of Pharmaceutical Sciences Okayama University

• Mimura T

  Osaka Univ. Osaka Jpn

• 杉山 俊博

  First Department Of Molecular Biology Akita University School Of Medicine

• 飯田 健太郎

  Faculty Of Pharmaceutical Sciences Osaka University

• 木村 正己

  Department Of Molecular Biology Keio University School Of Medicine

• 木村 正己

  Department Of Experimental Toxicology National Institute Of Industrial Health

• 島岡 俊雄

  Faculty Of Pharmaceutical Sciences Osaka University

• 辻川 和丈

  Faculty of Pharmaceutical Sciences, Okayama University

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