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Front. Cell Dev. Biol. | doi: 10.3389/fcell.2018.00173

Thy-1, a Pathfinder Protein for the post-genomic era

  • 1King's College London, United Kingdom

Abstract: a wealth of molecular detail is rapidly emerging to demonstrate that Thy-1, a small lipid-anchored cell surface protein expressed at sharply defined differentiation stages on a variety of tissues of ectodermal, mesodermal and endodermal origin, is a ligand for a number of integrin and other receptors, whose signaling efficiency is modified by Thy-1 to direct differentiation within developing tissues, or in the case of the brain, to stabilize adult signaling networks. Thy-1 and its receptor are usually on different cells, interacting in trans, fulfilling both adhesive and signaling functions in which the engagement of Thy-1 with its receptor alters signaling in both cells. Here I review aspects of the cell biology of Thy-1, and studies of its role as deduced from gene knock-out studies, that suggest how this protein can participate in so many different signaling-related functions.

Keywords: Membane protein, GPI (Glycosyl Phosphatidylinositol), Adhesion, signalling system, Mutant mice, Neuron, astrocyte

Received: 03 Oct 2018; Accepted: 06 Dec 2018.

Edited by:

Emanuela Felley-Bosco, University of Zurich, Switzerland

Reviewed by:

Rafael Linden, Universidade Federal do Rio de Janeiro, Brazil
Hai-Tao He, INSERM U1104 Centre d'immunologie de Marseille-Luminy, France  

Copyright: © 2018 Morris. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Roger J. Morris, King's College London, London, United Kingdom, roger.morris@kcl.ac.uk