An Update on Ocular Surface Epithelial Stem Cells: Cornea and Conjunctiva

Table 1

A table showing the distribution of different keratins across the ocular surface epithelia (corneal, limbal, and conjunctival).

Cytokeratin	Cornea	Limbus	Conjunctiva
CK1, 2, 10	+	+	++
CK3	Periphery: basal and intermediate cells +++; Centre: all cells ++	+++	++
CK5	+++	+++	Basal cells +++, intermediate cells ++
CK14–18	+++	Basal and superficial cells +++	+++
CK1–8 and K5, 10, 11	+++	+++	+++
CK8, 18, 19	+++	Superficial and intermediate cells ++	+++