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[Pathomorphology of uveitis caused by an echovirus]
Arkhiv Patologii
|January 1, 1985
Summary
ECHO-19 virus causes severe uveitis in monkeys by replicating in ocular tissues. This leads to inflammation, tissue destruction, and potentially autoimmune complications, offering insights into viral eye infections.
Area of Science:
- Ophthalmology
- Virology
- Immunology
Background:
- Uveitis is a significant cause of vision loss.
- ECHO-19 virus has been implicated in human uveitis cases.
- Understanding viral pathogenesis in ocular tissues is crucial.
Purpose of the Study:
- To investigate the morphological effects of ECHO-19 virus inoculation in a monkey eye model.
- To elucidate the cellular targets and replication sites of ECHO-19 virus within the uveal tract.
- To characterize the pathological changes associated with viral-induced uveitis.
Main Methods:
- Anterior chamber inoculation of ECHO-19 virus into monkey eyes.
- Morphological examination using light and electron microscopy.
- Analysis of viral replication and host tissue response.
Main Results:
- ECHO-19 virus replicated in capillary endothelium and stromal cells of the uveal tract.
- Observed virion accumulation and organelle damage in infected cells.
- Developed acute granulomatous uveitis with iris and ciliary body destruction, keratitis, cataract, and goniosynechia.
Conclusions:
- ECHO-19 virus induces severe, destructive uveitis in primate eyes.
- The findings suggest a potential transition from acute viral inflammation to progressive autoimmune processes.
- This model provides valuable insights into the pathogenesis of viral uveitis.