TABLE 1.

Semiquantitative analysis of expression of several epithelial markers as determined by immunofluorescence.

		In vitro 1 week	In vitro 2 weeks	In vitro 3 weeks	In vivo 3 months	In vivo 12 months	Control human cornea	Control rabbit cornea
CK3/12	HOC	+	+	++	+++	+++	+++	+++
	HHC	−	−	++	+++	+++
PKG	HOC	+	+	+++	+++	+++	+++	±
	HHC	−	++	++	+++	+++
CRY-αA	HOC	+	++	+++	+++	+++	+++	+++
	HHC	+	+	+++	+++	+++
CRY-αB	HOC	−	±	+	±	++	+++	+++
	HHC	±	+	+	+	+++
CRY-β	HOC	+	+	++	++	++	++	++
	HHC	−	+	+	++	+
CRY-λ1	HOC	++	++	++	+	+	+++	±
	HHC	++	++	++	+	++
CRY-Z	HOC	−	+	++	++	++	+++	+
	HHC	+	++	+++	++	+++

HOC, human orthotypical cornea; HHC, human heterotypical cornea.