CADMIUM-ASSOCIATED RENAL-DISEASE

被引:35
作者
SAVOLAINEN, H
机构
[1] Institute of Occupational Health Sciences, University of Lausanne, Lausanne
关键词
CADMIUM; KIDNEY; LIVER; METALLOTHIONEIN; BETA(2)-MICROGLOBULIN; NEPHROLITHIASIS; PROTEOGLYCANS; RETINOL BINDING PROTEIN; TUBULOPATHY;
D O I
10.3109/08860229509037613
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Cadmium is widely used in industry, causing exposure of workers and environmental pollution because of its persistence in the biosystems. Its very long half-life in the human organism causes its accumulation over the lifetime in liver and kidneys. Cadmium ions have a high affinity for tissue thiols, induce the synthesis of a carrier cysteine-rich polypeptide called metallothionein, and impair proteoglycan metabolism. Significant renal effects include early tubular nephropathy manifested by proteinuria, amino aciduria, glucosuria, phosphaturia, and calcium wastage. Chronic sequels include decrease in the glomerular filtration rate and increased risk of kidney stone disease. Biological monitoring of cadmium absorption includes determination of urinaly cadmium and of low molecular weight marker proteins, such as beta(2)-microglobulin or retinol binding protein, the tubular reabsorption of which is impaired before a frank proteinuria.
引用
收藏
页码:483 / 487
页数:5
相关论文
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