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Effects of Tetrathiotungstate and Dithiotungstate on Copper Metabolism in Rats

Effects of Tetrathiotungstate and Dithiotungstate on Copper Metabolism in Rats

B W Young, I Bremner, C F Mills

J Inorg Biochem. 1982 Apr;16(2):121-34.

PMID: 7077323

Abstract:

The effects of dietary supplementation with ammonium tetrathiotungstate and dithiotungstate on copper metabolism in young rats have been investigated. The addition of WS4(2-) (4-32 mg W/kg diet) decreased growth rates and induced clinical and biochemical signs of Cu deficiency. These were overcome by increasing the dietary content of Cu. The intestinal absorption of 64Cu was impaired and the tissue distribution of absorbed Cu modified by the administration of WS4(2-). No clinical or biochemical defects indicative of Cu deficiency developed in rats receiving WO2S2(2-) in their diet at concentrations up to 32 mg W/kg. In contrast, this oxythioanion enhanced the content of Cu in plasma liver and kidney, especially when dietary Cu was increased. Most of the additional Cu retained by plasma and kidney was associated with albumin and metallothionein, respectively. The effects of these W sources are compared with those caused by their thio- and oxythiomolybdate analogs and are discussed in relation to the mechanisms whereby Mo induces Cy deficiency in ruminants.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP13862787	Ammonium tetrathiotungstate		13862-78-7	Price

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