Comparative assessment of the effects of salinomycin and monensin on the biodistribution of lead and some essential metal ions in mice, subjected to subacute lead intoxication

被引:12
作者
Ivanova, Juliana [1 ]
Gluhcheva, Yordanka [2 ]
Dimova, Donika [2 ]
Pavlova, Ekaterina [2 ]
Arpadjan, Sonja [3 ]
机构
[1] Sofia Univ St Kliment Ohridski, Fac Med, Dept Chem & Biochem Physiol & Pathophysiol, Sofia 1407, Bulgaria
[2] Bulgaria Acad, Museum BAS, Inst Expt Morphol Pathol & Anthropol, Dept Expt Morphol, Sofia 1113, Bulgaria
[3] Sofia Univ St Kl Ohridski, Fac Chem & Pharm, Dept Analyt Chem, Sofia 1164, Bulgaria
关键词
Pb intoxication; Monensin; Salinomycin; Chelation therapy; In vivo models; Trace elements; COMPLEXES; ACID; CHELATION; EXPOSURE; CADMIUM; CD(II); BLOOD;
D O I
10.1016/j.jtemb.2015.08.003
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
In this study, we present a comparative assessment of the effects of two polyether ionophorous antibiotics (monensin and salinomycin) on the concentrations of lead (Pb), cooper (Cu), zinc (Zn) and iron (Fe) in the kidneys, spleen, liver and brain of Pb-intoxicated animals. Our data demonstrated that the intoxication of ICR male mice with Pb salt resulted in a significant accumulation of Pb in all studied organs of the mice compared to the untreated control animals. The biodistribution of the toxic metal was in the order kidneys > spleen > liver > brain. The treatment of the Pb-intoxicated animals with tetraethylammonium salts of monensic and salinomycinic acids significantly decreased the concentration of the toxic metal ion compared to the toxic control. The effect varied in the interval 38% (for kidneys) to 52% (for brain) compared to the toxic control group (Pb). The tetraethylammonium salt of salinomycinic acid was more effective in reducing the Pb concentration in the brain of the Pb-treated mice compared to monensin. Pb-intoxication did not affect significantly the Zn endogenous concentration compared to the normal values. The treatment of ICR male mice with Pb-salt decreased the Cu concentration in the spleen and increased the Cu concentration in the liver compared to the untreated control animals. The detoxification of the Pb-intoxicated mice with tetraethylammonium salts of salinomycinic and monensic acids restored the Cu concentration in the spleen, but did not affect the Cu levels in the liver. The Pb-intoxication of the ICR mice resulted in a significant decrease of the Fe-concentration in the spleen and liver compared to the untreated control animals. The administration of the tetraethylammonium salts of salinomycinic and monensic acids to the Pb-treated animals restored the levels of Fe in both organs. (C) 2015 Elsevier GmbH. All rights reserved.
引用
收藏
页码:31 / 36
页数:6
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