Abstract
We compared indicators of oxidative stress in the tissue of mice infected with strains from Sporothrix schenckii complex. Mice were inoculated with Sporothrix brasiliensis, Sporothrix schenckii sensu stricto, Sporothrix globosa, Sporothrix mexicana or Sporothrix albicans. The activity of catalase and glutathione were accessed in the liver and spleen. Animals infected with S. brasiliensis exhibited splenomegaly and significant decrease in catalase activity, and protein and non-protein thiol content compared to animals infected with the other species. Sporothrix brasiliensis exhibits higher pathogenicity compared to other species of the Sporothrix schenckii complex by increasing oxidative stress in animal tissue.
Highlights
We compared indicators of oxidative stress in the tissue of mice infected with strains from Sporothrix schenckii complex
Mice were inoculated with Sporothrix brasiliensis, Sporothrix schenckii sensu stricto, Sporothrix globosa, Sporothrix mexicana or Sporothrix albicans
Animals infected with S. brasiliensis exhibited splenomegaly and significant decrease in catalase activity, and protein and nonprotein thiol content compared to animals infected with the other species
Summary
Abstract Introduction: We compared indicators of oxidative stress in the tissue of mice infected with strains from Sporothrix schenckii complex. Results: Animals infected with S. brasiliensis exhibited splenomegaly and significant decrease in catalase activity, and protein and nonprotein thiol content compared to animals infected with the other species. Conclusions: Sporothrix brasiliensis exhibits higher pathogenicity compared to other species of the Sporothrix schenckii complex by increasing oxidative stress in animal tissue.
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