Browsing by Subject "Junctions"
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- PublicationOpen AccessThe role of junctional adhesion molecules in cell-cell interactionsThe role of junctional adhesion(Murcia : F. Hernández, 2005) Keiper, T.; Santoso, S.; Nawroth, P.P.; Orlova, V.; Chavakis, T.Cell-cell-interactions are important for the regulation of tissue integrity, the generation of barriers between different tissues and body compartments thereby providing an effective defence against toxic or pathogenic agents, as well as for the regulation of inflammatory cell recruitment. Intercellular interactions are regulated by adhesion receptors on adjacent cells which upon extracellular ligand binding mediate intracellular signals. In the vasculature, neighbouring endothelial cells interact with each other through various adhesion molecules leading to the generation of junctional complexes like tight junctions (TJs) and adherens junctions (AJs) which regulate both leukocyte endothelial interactions and paracellular permeability. In this context, emerging evidence points to the importance of the family of junctional adhesion molecules (JAMs), which are localized in tight junctions of endothelial and epithelial cells and are implicated in the regulation of both leukocyte extravasation as well as junction formation and permeability.