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. 2017 Jan 18;12(1):e0169504. doi: 10.1371/journal.pone.0169504

Fig 4. Immunofluorescent staining of corneal-specific proteins.

Fig 4

3D and 2D silk film constructs seeded with hCSSCs in comparison to hCFs were stained at 9 weeks in culture against keratocan, keratin sulfate, and lumican. The proteoglycans displayed preferential alignment along the silk film surface grooves (arrows). Scale bar = 100 μm.