文献类型: 外文期刊
作者: Kim, Song-Gwan 1 ; Du, Hua-Hua 1 ; Dai, Wei 1 ; Zhang, Xiao-Feng 4 ; Xu, Zi-Rong 1 ;
作者机构: 1.Zhejiang Univ, Key Lab Mol Anim Nutr, Minist Educ, Coll Anim Sci, Hangzhou 310029, Zhejiang, Peoples R China
2.Wonsan Fisheries Univ, Inst Breed, Wonsan, Kangwon Prov, North Korea
3.Tianjin Agr Univ, Dept Fisheries Sci, Tianjin 300384, Peoples R China
4.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet, Hangzhou 310021, Zhejiang, Peoples R China
关键词: montmorillonite;cadmium;carassius auratus;metallothionein
期刊名称:APPLIED CLAY SCIENCE ( 影响因子:5.467; 五年影响因子:5.414 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The present study was designed to test the influence of montmorillonite (MMT) on cadmium accumulation in different tissues of Carassius auratus. 180 normal healthy C. auratus were randomly divided into four groups. They were fed with normal diet, normal diet supplemented with MMT (0.5%), high-cadmium (cadmium chloride, 120 mg/kg) diet and high-cadmium diet supplemented with MMT (0.5%). After 60 days, cadmium concentration in several tissues were measured by eletrothermic atomic absorption spectro-photometry, metallothionein contents were determined using the Cd-chelex assay and histopathological alterations of kidney were observed. MMT inhibited cadmium accumulation in kidney, intestine, liver, spleen, blood, gills, spermary, ovary, brain, bone and muscles of C. auratus. Metallothionein levels in liver, intestine and muscle decreased and pathological changes of kidney were reduced by MMT addition. Thus, MMT protected tissues of C. auratus from cadmium accumulation and damage.
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