[Ocular histoenzymatic research on an experimental viral attack]

Area of Science:

• Ophthalmology
• Virology
• Immunology

Background:

• Subconjunctival administration of Coxsackie B3 virus is a model for studying ocular immune responses.
• Viral infections can induce significant enzymatic and cellular changes in ocular tissues.

Purpose of the Study:

• To investigate the enzyme response following subconjunctival Coxsackie B3 virus administration.
• To understand the role of local immune mechanisms in response to viral ocular challenge.

Main Methods:

• Subconjunctival injection of Coxsackie B3 virus in an experimental model.
• Analysis of enzyme activity, including diaphorase, leucin aminopeptidase, dihydrofolate reductase, and adenosinetriphosphatase.
• Histological examination for immune cell infiltration, specifically Langerhans cells.

Main Results:

• Significant changes in enzyme activity were observed in the conjunctival mucosa (chorion) and corneal parenchyma.
• The virus stimulated specific oxidising enzymes and hydrolases.
• Highly active Langerhans cells were identified around Bowman's membrane and corneal tissue.

Conclusions:

• Coxsackie B3 virus infection activates local immune defense mechanisms in the conjunctiva and cornea.
• The observed enzyme changes and immune cell mobilization indicate a robust local immune response to the viral challenge.