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  • Title: Interactions between metals in rat liver and kidney: localization of metallothionein.
    Author: Irato P, Santon A, Ossi E, Albergoni V.
    Journal: Histochem J; 2001 Feb; 33(2):79-86. PubMed ID: 11432643.
    Abstract:
    The interactions between two essential metals, Cu and Zn, and the localization and concentration of metallothionein have been studied in rat liver and kidney. Rats receiving daily intraperitoneal injections of Cu for 3 days, or Zn for 2 days, or Cu for 3 days followed by Zn for 2 days, were sacrificed 24, 72, 120 h after the final injection. Our data indicate that Cu and Zn are both good inductors of metallothionein synthesis in rat tissues. Synergism between Cu and Zn in metallothionein synthesis was also observed as indicated by immunocytochemical experiments and chemical analysis. Moreover, in rats injected with Cu followed by Zn, the localization of metallothionein and the concentrations of both metallothionein and metal differed over time according to the organs considered. In rat kidney, a delay in the excretory process was also observed and metallothionein was present 120 h after the last injection.
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