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Immunol Lett. 1994 Feb;39(2):105-11.

Iron overload in beta 2-microglobulin-deficient mice.

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Abel Salazar Institute for the Biomedical Sciences, Oporto, Portugal.


The present paper describes the results of a comparative histological and quantitative analysis of iron distribution in tissues of beta 2m-/- and beta 2m+/- mice of different ages. Progressive hepatic iron overload, indistinguishable from that observed in human hemochromatosis, was found only in mice homozygous for the mutated beta 2m gene. Total iron measurements done by flame atomic absorption showed statistically significant differences between liver samples from 5 beta 2m+/- heterozygotes (468 +/- 174 micrograms/g of dry weight) and 9 mice homozygous for the mutated beta 2m gene with average total hepatic iron levels of 1583 +/- 423 micrograms/g of dry weight.

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