Fig 3. SEA binds with mast cells in the submucosa of the GI tract.

Specimens of the intestinal tract were removed from a common marmoset. Frozen tissues were sectioned (10 μm) and incubated with SEA (1.0 μg/ml) for 60 min at room temperature. (A) GI sections were processed for double immunofluorescence staining using anti-SEA antibody (green) and anti-FcεRIα antibody (red), which detected the mast cell marker, IgE receptor. Each scale bar is equal to 20 μm.