Experimental model of Fusarium solani keratitis in rats.

International Journal of Ophthalmology
Jiang-Li ZhuXin Liao

Abstract

To establish a repeatable rat model of Fusarium solani keratitis (F. solani keratitis) that mimicked fungal keratitis in humans. Wistar rats' corneas were scratched on the superficial stroma after scraping the unilateral corneal epithelia. Then, the corneal surface was inoculated with different inoculum dose of F. solani spore suspension. Doses ranged from 10(6) to 10(9) colony-forming unit per milliliter (CFU/mL). The treated corneas were covered by contact lenses that were made of Parafilm M membrane. Negative controls were inoculated with sterile phosphate-buffered saline (PBS). For statistical analysis, corneas were evaluated daily on a 12-point scale to check the state of corneal inflammation. Furthermore, the pathological characteristics of this model were investigated. The rat model of F. solani keratitis was established by the combination methods of corneal trauma and parafilm-made contact lens and inoculation of fungus spore suspension. 10(6) and 10(7)CFU/mL of F. solani induced mild corneal infection, while 10(8)CFU/mL of F. solani was sufficient to induce moderate infection that was consistent with human keratomycosis. Dose of 10(9)CFU/mL of F. solani was excessive and led to perforated corneas. The rat model of F. s...Continue Reading

Citations

Nov 16, 2016·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Abigail PinnockPrashant Garg

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