Journal
PHYSIOLOGICAL REVIEWS
Volume 97, Issue 4, Pages 1529-1554Publisher
AMER PHYSIOLOGICAL SOC
DOI: 10.1152/physrev.00004.2017
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Funding
- German Research Foundation [EB 160/4-2, EB 160/5-1, EXC-1003 FF-2016-01]
- Medical Faculty of the University Munster Grant [IZKF Eb2/020/14]
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Junctional adhesion molecules (JAM)-A, -B and -C are cell-cell adhesion molecules of the immunoglobulin superfamily which are expressed by a variety of tissues, both during development and in the adult organism. Through their extracellular domains, they interact with other adhesion receptors on opposing cells. Through their cytoplasmic domains, they interact with PDZ domain-containing scaffolding and signaling proteins. In combination, these two properties regulate the assembly of signaling complexes at specific sites of cell-cell adhesion. The multitude of molecular interactions has enabled JAMs to adopt distinct cellular functions such as the regulation of cell-cell contact formation, cell migration, or mitotic spindle orientation. Not surprisingly, JAMs regulate diverse processes such as epithelial and endothelial barrier formation, hemostasis, angiogenesis, hematopoiesis, germ cell development, and the development of the central and peripheral nervous system. This review summarizes the recent progress in the understanding of JAMs, including their characteristic structural features, their molecular interactions, their cellular functions, and their contribution to a multitude of processes during vertebrate development and homeostasis.
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