Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:6.2.1.7 (BAL)
 1,977 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Sodium N-benzyl-D-glucamine dithiocarbamate (NBG-DTC), which was newly synthesized, 2,3-dimercaptopropanol (BAL), and N-methyl-D-glucamine dithiocarbamate (NMG-DTC) were compared for their relative efficacies in the distribution and excretion of cadmium in rats exposed to cadmium. Rats were injected ip with 109CdCl2 (1 mg Cd and 10 microCi 109Cd/kg) and 3 days later, they were treated with the chelating agents (400 mumol/kg) every other day for 2 weeks. These chelating agents were effective in removing cadmium from the body without increasing the amount of cadmium in the kidney. After treatment with these chelating agents, cadmium was excreted mainly in the feces through the bile and the fecal excretion of cadmium by NBG-DTC was significantly larger than that by BAL or NMG-DTC. The hepatic cadmium content after treatment with NBG-DTC was much more decreased than that with BAL or NMG-DTC. The renal cadmium content was decreased only after treatment with NBG-DTC. These chelating agents did not result in the redistribution of cadmium to brain, testes, and heart. The growth of rats was little retarded by treatment with NBG-DTC and NMG-DTC, but was retarded by treatment with BAL. The treatment with NBG-DTC decreased the tissue amounts of Zn, Fe, and Mn to a small extent as compared with the treatment with cadmium alone. The results of this study reveal that the injection of NBG-DTC to rats pretreated with cadmium can more effectively remove cadmium from the body without the mobilization of cadmium to the kidney, the critical organ in cadmium toxicity, and without redistribution of cadmium to other tissues such as brain, testes, and heart, than injection of BAL and NMG-DTC.
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PMID:Comparative effects of three chelating agents on distribution and excretion of cadmium in rats. 370 73

Sodium N-benzyl-D-glucamine dithiocarbamate (NBG-DTC), which was newly synthesized, sodium N-methyl-D-glucamine dithiocarbamate (NMG-DTC), and 2,3-dimercapto-1-propanol (BAL) were evaluated for their efficacy in mobilization of cadmium from the body using rats which had received cadmium, 30 min and 24 h earlier. At both 30 min and 24 h after treatment with cadmium, these chelating agents significantly enhanced the biliary excretion of cadmium, but did not influence the urinary excretion of the metal. Such an enhancement effect of NBG-DTC on the biliary excretion of cadmium was much larger than that of NMG-DTC or BAL. These chelating agents were effective in mobilizing cadmium from the liver at 30 min after pretreatment with cadmium. NBG-DTC showed the largest effectiveness on the depression of cadmium content in the liver. However, the contents of cadmium in the liver and kidney of rats given cadmium, 24 h earlier, did not significantly change at 3 h after treatment with the chelating agents. These results show that the injection of NBG-DTC at both 30 min and 24 h after treatment with cadmium can much more effectively mobilize cadmium from the body mainly through the bile without redistribution of cadmium to tissues than injection of NMG-DTC and BAL.
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PMID:Effects of chelating agents on biliary and urinary excretion and tissue distribution of cadmium in rats. 378 63