Table 2.

Quantification of E-Cadherin, β-Catenin,and Involucrin Expression in Epithelial Cells Was Achieved by Normalizing to the Epithelial-Specific Cytoskeleton Protein Cytokeratin-14

	Control	1% Tob	2% Tob	4% Tob
E-Cadherin	100	42	32	5
β-Catenin	100	49	36	31
Involucrin	100	70	58	8