CADMIUM, ZINC AND COPPER IN HORSE KIDNEY METALLOTHIONEIN

被引:40
作者
NORDBERG, M [1 ]
ELINDER, CG [1 ]
RAHNSTER, B [1 ]
机构
[1] NATL SWEDISH ENVIRONM PROTECT BOARD, STOCKHOLM, SWEDEN
关键词
D O I
10.1016/0013-9351(79)90010-0
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Cadium, zinc, and copper were determined in kidney cortex samples and in protein fractions obtained from 20 normal Swedish horses. Cadmium concentrations in kidneys ranged from 0.01 to 1.46 mmole/kg. Zinc concentrations in kidneys increased with increasing cadmium concentrations. At low concentrations of cadmium the increase of zinc was almost equimolar with the increase in cadmium, but at higher concentrations of cadmium the increase of zinc was less pronounced. Copper concentrations ranged from 0.07 to 0.22 mmole Cu/kg and were not related to the cadmium concentration. The increase of zinc in kidney cortex took place in the metallothionein (MT) fractions, where also almost all cadmium was recovered. The molar ratio of zinc and cadmium in MT was close to one at low concentrations (below 0.1 mmole/kg) of cadmium but the ratio decreased with increasing cadmium concentrations in the kidney. This change in molar ratio of zinc and cadmium in MT explains the leveling off in zinc increase at cadmium concentrations in kidney exceeding 0.6 mmole/kg. © 1979.
引用
收藏
页码:341 / 350
页数:10
相关论文
共 32 条
[1]  
Anke M, 1971, Arch Exp Veterinarmed, V25, P805
[2]   ISOLATION OF (COPPER, ZINC)-THIONEINS FROM LIVERS OF COPPER INJECTED RATS [J].
BREMNER, I ;
YOUNG, BW .
BIOCHEMICAL JOURNAL, 1976, 157 (02) :517-520
[3]  
BREMNER I, 1979, METALLOTHIONEIN
[4]   HUMAN HEPATIC METALLOTHIONEINS [J].
BUHLER, RHO ;
KAGI, JHR .
FEBS LETTERS, 1974, 39 (02) :229-234
[5]  
CAMPBELL JK, 1974, P NUTR SOC, V33, pA15
[6]  
CAMPBELL JK, 1978, TRACE ELEMENT METABO, V3, P553
[7]   CADMIUM IN KIDNEY CORTEX, LIVER, AND PANCREAS FROM SWEDISH AUTOPSIES - ESTIMATION OF BIOLOGICAL HALF TIME IN KIDNEY CORTEX, CONSIDERING CALORIE INTAKE AND SMOKING-HABITS [J].
ELINDER, CG ;
KJELLSTROM, T ;
FRIBERG, L ;
LIND, B ;
LINNMAN, L .
ARCHIVES OF ENVIRONMENTAL HEALTH, 1976, 31 (06) :292-302
[8]   CADMIUM AND ZINC RELATIONSHIPS [J].
ELINDER, CG ;
PISCATOR, M .
ENVIRONMENTAL HEALTH PERSPECTIVES, 1978, 25 (AUG) :129-132
[9]   CADMIUM AND ZINC RELATIONSHIPS IN KIDNEY CORTEX, LIVER AND PANCREAS [J].
ELINDER, CG ;
PISCATOR, M ;
LINNMAN, L .
ENVIRONMENTAL RESEARCH, 1977, 13 (03) :432-440
[10]  
ELINDER CG, ENV RES