Strain- and sex-dependent differences in response to a single high dose of copper in the rat.
Rats of either sex of the strains +/rnu, WAG/ Cpb and Fischer-344 were injected i.v. with a single dose of Cu (2.5 mg/kg body weight). Hemolysis was observed in the female +/rnu and Fischer rats. Males accumulated more Cu than females in all strains. WAG/ Cpb rats had higher kidney Cu concentrations. The lower hepatic Cu concentration in female Fischer rats was not caused by an increased biliary Cu excretion but by a diminished release of Cu from the blood to the liver. In both sexes the degree of hemolysis did not correlate to the Cu concentration of the erythrocytes. It is concluded that a sex-related difference exists in the metabolism of a large dose of Cu and that the Cu-induced hemolysis in females may be related to a prolonged exposure of erythrocytes to an increased Cu concentration of the plasma.[1]References
- Strain- and sex-dependent differences in response to a single high dose of copper in the rat. Nederbragt, H. Comp. Biochem. Physiol. C, Comp. Pharmacol. Toxicol. (1985) [Pubmed]
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