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A Ciliary View of the Immunological Synapse

Department of Life Sciences, University of Siena, 53100 Siena, Italy
Author to whom correspondence should be addressed.
Cells 2019, 8(8), 789;
Received: 13 June 2019 / Revised: 15 July 2019 / Accepted: 25 July 2019 / Published: 29 July 2019
(This article belongs to the Special Issue Cilia and Flagella: Structure, Function and Beyond)
The primary cilium has gone from being a vestigial organelle to a crucial signaling hub of growing interest given the association between a group of human disorders, collectively known as ciliopathies, and defects in its structure or function. In recent years many ciliogenesis proteins have been observed at extraciliary sites in cells and likely perform cilium-independent functions ranging from regulation of the cytoskeleton to vesicular trafficking. Perhaps the most striking example is the non-ciliated T lymphocyte, in which components of the ciliary machinery are repurposed for the assembly and function of the immunological synapse even in the absence of a primary cilium. Furthermore, the specialization traits described at the immunological synapse are similar to those seen in the primary cilium. Here, we review common regulators and features shared by the immunological synapse and the primary cilium that document the remarkable homology between these structures. View Full-Text
Keywords: primary cilium; immunological synapse; ciliary proteins; extraciliary functions; T lymphocytes primary cilium; immunological synapse; ciliary proteins; extraciliary functions; T lymphocytes
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Cassioli, C.; Baldari, C.T. A Ciliary View of the Immunological Synapse. Cells 2019, 8, 789.

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