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1.
Analyst ; 120(3): 967-73, 1995 Mar.
Article in English | MEDLINE | ID: mdl-7741265

ABSTRACT

It has been previously demonstrated that the mixture of Cu, Au and Ag impaired significantly the clinical and biochemical disorders induced by adjuvant arthritis in the rat. The efficiency of this mixture and of each component was tested on the same animal model. Treated rats were injected daily with either 22.8 micrograms of copper gluconate, 0.2 micrograms of gold thioglucose, 6.8 micrograms of silver proteinate or the blended solution over a period of 29 d. The treatment with the one component solutions was found to have a little or no effect on the plasma levels of fibrinogen, haptoglobin, ceruloplasmin, prostaglandin E2, thromboxane B2, total proteins, Zn, Cu, Mn, Se, Co and Ni, and no significant decrease was observed in the paw oedema resulting from the Freund's adjuvant injection. The treatment with the mixture had a significant preventive effect. Therefore it seems that the administration of low doses of each of the three trace elements have no anti-rheumatic property in the rat. The results indicate an enhanced effect of the metal mixture in the model studied.


Subject(s)
Arthritis, Experimental/drug therapy , Aurothioglucose/therapeutic use , Gluconates/therapeutic use , Silver Proteins/therapeutic use , Animals , Aurothioglucose/administration & dosage , Blood Proteins/metabolism , Ceruloplasmin/metabolism , Gluconates/administration & dosage , Male , Metals/blood , Rats , Rats, Wistar , Silver Proteins/administration & dosage , Thromboxane B2/metabolism
3.
Int J Tissue React ; 12(4): 251-62, 1990.
Article in English | MEDLINE | ID: mdl-1980912

ABSTRACT

The efficacy of a drug containing three heavy metals together has been tested in adjuvant-induced arthritic rats. Treated rats were injected with 22.8 micrograms copper gluconate, 0.2 microgram gold thioglucose and 6.8 micrograms silver proteinate each day during a period of 29 days. The drug treatment was found to diminish the increases in plasma levels of haptoglobin, ceruloplasmin, PGE2, 6-keto-PGF1 alpha and copper, the decrease in the iron plasma level induced by Freund's adjuvant and the paw swelling. No effect was seen on the plasma levels of TXB2, Zn, Se, Mn and Ni. Therefore the simultaneous administration of low doses of gold, copper and silver had a real anti-rheumatic property in this model. These results should be of interest for the long-term treatment of arthritis.


Subject(s)
Anti-Inflammatory Agents, Non-Steroidal/pharmacology , Arthritis, Experimental/drug therapy , Copper/pharmacology , Gold/pharmacology , Silver/pharmacology , Animals , Antirheumatic Agents/pharmacology , Arthritis, Experimental/blood , Arthritis, Experimental/pathology , Blood Proteins/analysis , Drug Combinations , Edema/pathology , Foot/pathology , Male , Metals/blood , Organ Size/drug effects , Prostaglandins/blood , Rats , Rats, Inbred Strains
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