克氏原螯虾肝胰脏中镉诱导的金属硫蛋白:用饱和银法定量

Comparative biochemistry and physiology. C: Comparative pharmacology Pub Date : 1993-06-01 DOI:10.1016/0742-8413(93)90205-Y

Manuela Martínez , Amparo Torreblanca , Jose Del Ramo , Agustín Pastor , Javier Díaz-Mayans

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引用次数: 34

摘要

1. 用饱和银法测定了小龙虾肝胰脏中镉诱导的金属硫蛋白(MT)含量。小龙虾肝胰脏中MT含量在暴露于10 mg Cd/l.3 12小时后有所增加。肝胰脏MT浓度与水体镉浓度呈线性关系。接触20 mg /l Cd的小龙虾肝胰脏MT水平比对照动物高7倍。

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Cadmium induced metallothionein in hepatopancreas of Procambarus clarkii: Quantification by a silver-saturation method

1. Cadmium induced metallothionein (MT) in crayfish hepatopancreas was measured by silver-saturation method.

2. An increase in MT content was recorded in crayfish hepatopancreas after 12 hr of exposure to 10 mg Cd/l.

3. There was found to be a linear relationship between MT concentrations in hepatopancreas and cadmium concentration in the water.

4. MT levels in hepatopancreas of 20 mg Cd/l exposed crayfish were 7-fold higher than those in control animals.

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Comparative biochemistry and physiology. C: Comparative pharmacology

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