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Claudins in the brain: Unconventional functions in neurons
Author(s) -
Tikiyani Vina,
Babu Kavita
Publication year - 2019
Publication title -
traffic
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.677
H-Index - 130
eISSN - 1600-0854
pISSN - 1398-9219
DOI - 10.1111/tra.12685
Subject(s) - claudin , biology , caenorhabditis elegans , neuroscience , microbiology and biotechnology , tight junction , blood–brain barrier , morphogenesis , receptor , central nervous system , gene , genetics
Bonafide claudin proteins are functional and structural components of tight junctions and are largely responsible for barrier formation across epithelial and endothelial membranes. However, current advances in the understanding of claudin biology have revealed their unexpected functions in the brain. Apart from maintaining blood‐brain barriers in the brain, other functions of claudins in neurons and at synapses have been largely elusive and are just coming to light. In this review, we summarize the functions of claudins in the brain and their association in neuronal diseases. Further, we go on to cover some recent studies that show that claudins play signaling functions in neurons by regulating trafficking of postsynaptic receptors and controlling dendritic morphogenesis in the model organism Caenorhabditis elegans .

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