Gefarnate increases PAS positive cell density in rabbit conjunctiva

Area of Science:

• Ophthalmology
• Gastroenterology
• Cell Biology

Background:

• Gastritis and gastric ulcers are common conditions.
• Current treatments include gefarnate, ecabet sodium, and troxipide.
• The ocular effects of these drugs are not well understood.

Purpose of the Study:

• To investigate the effects of gefarnate, ecabet sodium, and troxipide on periodic acid Schiff (PAS) positive cell density in rabbit conjunctiva.
• To determine if these drugs, used for gastrointestinal conditions, have any impact on ocular surface cells.

Main Methods:

• Rabbit eyes were treated with eye drops containing gefarnate, ecabet sodium, or troxipide at varying concentrations (0.1%, 1%) for 7 days.
• Impression cytology with PAS staining was performed on the conjunctiva.
• PAS-positive cells were quantified in selected areas of the conjunctival specimens.

Main Results:

• Gefarnate at a 1% concentration significantly increased PAS-positive cell density in the conjunctiva (p < 0.05).
• Ecabet sodium and troxipide did not significantly alter PAS-positive cell density at the tested concentrations.
• This suggests a specific effect of gefarnate on conjunctival cells.

Conclusions:

• Gefarnate demonstrates a stimulatory effect on PAS-positive cell density in rabbit conjunctiva.
• This finding indicates a potential biological activity of gefarnate on the ocular surface.
• Further research may explore the clinical implications of gefarnate's effect on conjunctival cells.