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- Title
Integrins in T Cell Physiology.
- Authors
Bertoni, Alessandra; Alabiso, Oscar; Galetto, Alessandra Silvia; Baldanzi, Gianluca
- Abstract
From the thymus to the peripheral lymph nodes, integrin-mediated interactions with neighbor cells and the extracellular matrix tune T cell behavior by organizing cytoskeletal remodeling and modulating receptor signaling. LFA-1 (αLβ2 integrin) and VLA-4 (α4β1 integrin) play a key role throughout the T cell lifecycle from thymocyte differentiation to lymphocyte extravasation and finally play a fundamental role in organizing immune synapse, providing an essential costimulatory signal for the T cell receptor. Apart from tuning T cell signaling, integrins also contribute to homing to specific target organs as exemplified by the importance of α4β7 in maintaining the gut immune system. However, apart from those well-characterized examples, the physiological significance of the other integrin dimers expressed by T cells is far less understood. Thus, integrin-mediated cell-to-cell and cell-to-matrix interactions during the T cell lifespan still represent an open field of research.
- Subjects
INTEGRINS; T cells; CYTOSKELETON; EXTRACELLULAR matrix; VASCULAR cell adhesion molecule-1; PHYSIOLOGY
- Publication
International Journal of Molecular Sciences, 2018, Vol 19, Issue 2, p485
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms19020485