Zonula occludens toxin is being studied as an adjuvant to improve absorption of drugs and vaccines.
2.
Tight junctions, also called zonula occludens, are the most important components of the intenstinal epithelium for its barrier function.
3.
The zonula occludens and zonula adherens form a continuous belt around the cell that provides a barrier to paracellular transport and are thought to be important in cell-cell communication.
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