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Light, electron, and immunofluorescence microscopy on tissues from 63 domestic cats revealed that glomerulonephritis occurred in almost one third of cats with hematopoietic neoplasms of the type linked with feline leukemia virus (FeLV). Glomerular lesions were of the immune complex type with subepithelial, subendothelial, and mesangial dense deposits and(More)
A 3-year-old child with severe acute self-limited enterocolitis was found on rectal biopsy to be infected with the protozoal parasite Cryptosporidium. This organism is known to infect a variety of vertebrates, but this is the first report of infection by Cryptosporidium in a human being. Both light and electron microscopic findings in the rectal biopsy are(More)
Several clinically used sulfur-containing compounds were examined as potential antagonists for the nephrotoxicity of cis-platin in Sprague-Dawley rats. The compounds studied were biotin, captopril, cefoxitin, cephalexin, the sodium salt of penicillin G, sulfathiazole, and thiamine hydrochloride. Biotin, captopril, cephalexin, and sulfathiazole were found to(More)
Metabolic activation of thioacetamide (CH3CSNH2) to a toxic metabolite which is responsible for its hepatotoxicity and/or its carcinogenicity has been proposed by a number of investigators. In this investigation thioacetamide and one of its metabolites, thioacetamide sulfine (CH3CSONH2), have been compared for their ability to inhibit hepatic mixed-function(More)
The administration of dimethyl sulfoxide with cisplatin at a mole ratio of 200:1 results in a considerable reduction in the nephrotoxicity produced when cisplatin alone is administered to Sprague-Dawley rats at 7.5 mg/kg. Observed measures of nephrotoxicity which were significantly improved by the coadministration of cisplatin and DMSO over the values found(More)
The effects of two dithiocarbamates (both of which induce an increase in the excretion of cadmium) on the biliary and urinary excretion of the essential trace elements zinc, copper, iron, magnesium, and calcium have been examined in the female Sprague-Dawley rat to estimate what alterations in the excretion of essential metals accompanies the use of these(More)
An examination of the comparative nephrotoxicity in the rat of cisplatin, its hydrolysis product (mostly cis-[Pt(NH3)2Cl(H2O)]+ under the conditions applied), and cis-[Pt(NH3)2(guanosine)2]2+ revealed that these compounds differed significantly in the extent of renal damage they produced following their i.v. injection in Sprague-Dawley rats. The hydrolysis(More)
Varying doses of TCDD ranging from 25 to 1000 mug/kg were administered to the larval and adult forms of the American bullfrog, Rana catesbeiana. Doses of TCDD as high as 1 mg/kg failed to have any significant effect upon survival or completion of metamorphosis in tadpole and doses of up to 500 mug/kg had no effect on survival of adult frogs.(More)