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  • Title: [Effect of dimercaptosuccinic acid per os on distribution and excretion of 210Pb and 203Hg in mice].
    Author: Liang YY, Zhang JS, Tao ZQ, Yan XM, Xu XH, Chen ZJ.
    Journal: Zhongguo Yao Li Xue Bao; 1994 Jul; 15(4):379-82. PubMed ID: 7801787.
    Abstract:
    Sodium dimercaptosuccinate (Na-DMS) ip 1 g.kg-1, dimercaptosuccinic acid (DMSA) ig 1 g.kg-1, DMSA ig 1 g.kg-1 with NaHCO3 or Na-citrate ig 3 g.kg-1 was given to mice, separately. It enhanced the excretion of 210Pb in urine about 3.4, 3.8, 3.6, and 2.3 times vs control, respectively within 24 h. It enhanced the excretion of 203Hg in urine about 2.4, 2.3, 3.3, and 2.7 times, respectively within 24 h. Fecal excretion was not significantly elevated vs control. Tissue radioactivities showed a remarkable decrease in the levels of 210Pb and 203Hg in most organs, but DMSA increase the 210Pb content in kidney. The therapeutic effect of ig DMSA was similar to that of ip sodium dimercaptosuccinate.
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