Biology of structures that bind epithelial cells together and the epithelial selective barrier

What is it about?

Tight junctions are the key characteristic of epithelial tissue. They are intercellular junctions that bind cell together to form a monolayer that imposes a selective barrier between the internal media from the environment while, simultaneously, transports substances vectorially between these compartments.

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Why is it important?

We review the knowledge on tight junctions structure and function

Perspectives