Figure 2. Immunofluorescence staining for Notch1 and Jagged1. Notch1 (A and B) and Jagged1 (C and D) staining is noted in the basal and immediate suprabasal layers of central human cornea (A and C) and limbus (B and D). Inset show the nuclear staining of the sections with DAPI. Bar=30 μm.