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Tight junction integrity of CFBE41o- cells and transfectants. (A) TER measured in cells cultured at an air interface for 12 days. TER was measured in transfectants both before (pre) and after (post) 48 h of incubation with sodium butyrate. The results are expressed as the means of triplicate measurements. The error bars indicate standard errors of the means. (B) Confocal photomicrographs of E-cadherin-specific immunostaining in the butyrate-treated cell populations.
