Two classes of tight junctions are revealed by ZO-1 isoforms.

Abstract

The tight junction forms the intercellular barrier separating tissue compartments. The characteristics of this barrier are remarkably diverse among different epithelia and endothelia and are not explained by our limited knowledge of its molecular composition. Two isoforms of the 220-kDa tight junction protein ZO-1 result from alternative RNA splicing and… (More)

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