PMID: 7870700Nov 1, 1994Paper

Effect of tetraethylthiuramdisulphide and diethyl-dithiocarbamate on nickel toxicokinetics in mice

Pharmacology & Toxicology
G D Nielsen, O Andersen


A new experimental pharmacokinetic model using the gamma-emitting isotope 57Ni for studying nickel toxicokinetics was employed in a recent investigation (Nielsen et al. 1993) in order to quantitatively study, for the first time, the effect of tetraethylthiuram disulphide (disulfiram, Antabuse, TTD) and sodium diethyldithiocarbamate (DDC) on whole-body retention and organ distribution of nickel in mice. TTD or its decomposition product DDC given orally by stomach tube shortly after oral administration of a low dose of nickel chloride labelled with 57Ni resulted in an approximately ten times higher whole-body retention of nickel compared to the retention in a control group exposed to nickel only. These chelators increased the whole-body retention of nickel also when given by intraperitoneal injection shortly after oral or intraperitoneal administration of nickel. Oral administration of a single dose of TTD or DDC rapidly after an oral dose of nickel chloride also resulted in extensive changes in the organ distribution of nickel, thus the nickel content in the brain was at least 700 times higher than in a control group given the same dose of nickel only. If DDC was given intraperitoneally after nickel given orally, the relative or...Continue Reading


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