Strain differences in tissue concentrations of mercury in inbred mice treated with mercuric chloride

Toxicology and Applied Pharmacology
P GriemE Gleichmann

Abstract

Tissue concentrations of mercury were determined by cold vapor atomic absorption spectrometry in different inbred mouse strains after continuous treatment with HgCl2 (3 weekly sc injections of 0.5 mg/kg bw) for up to 12 weeks. Except for the thymus, in which steadily increasing mercury concentrations were found, in steady state levels of mercury were reached in blood and liver after 4 weeks and in spleen and kidney after 8 weeks. In the closely related strains C57BL/6, B10.D2, and B10.S, which differ only or primarily at the major histocompatibility complex, mercury concentrations in blood and liver were about twofold lower and renal concentrations were about three- to fivefold lower than those detected in strains A.SW and DBA/2. Another strain difference was observed in the spleen: after 8 and 12 weeks of continuous HgCl2 treatment, mercury concentrations in the spleen of strains A.SW, C57BL/6, and B10.S were significantly higher than those in strains DBA/2 and B10.D2. The strain difference in the spleen, an organ of the immune system, correlates with the susceptibility to the HgCl2-induced systemic autoimmune syndrome in mice in that the strains showing a higher mercury accumulation in the spleen are susceptible to this form ...Continue Reading

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Citations

Nov 21, 2001·Toxicology and Applied Pharmacology·R R MattinglyA J Rosenspire
Mar 5, 2016·Environmental Health Perspectives·Hammoudi AlkaissiPer Hultman
Nov 5, 2003·Clinical Immunology : the Official Journal of the Clinical Immunology Society·P E BigazziD L Greiner

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