Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological Synapse

In a signaling network, not only the functions of molecules are important but when (temporal) and where (spatial) those functions are exerted and orchestrated is what defines the signaling output. To temporally and spatially modulate signaling events, cells generate specialized functional domains wi...

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Main Authors: Esther Garcia, Shehab Ismail
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/21/9/3283
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author Esther Garcia
Shehab Ismail
author_facet Esther Garcia
Shehab Ismail
author_sort Esther Garcia
collection DOAJ
description In a signaling network, not only the functions of molecules are important but when (temporal) and where (spatial) those functions are exerted and orchestrated is what defines the signaling output. To temporally and spatially modulate signaling events, cells generate specialized functional domains with variable lifetime and size that concentrate signaling molecules, enhancing their transduction potential. The plasma membrane is a key in this regulation, as it constitutes a primary signaling hub that integrates signals within and across the membrane. Here, we examine some of the mechanisms that cells exhibit to spatiotemporally regulate signal transduction, focusing on the early events of T cell activation from triggering of T cell receptor to formation and maturation of the immunological synapse.
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spelling doaj.art-4aa97d04590c4d77b78684288df840362023-11-19T23:37:46ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672020-05-01219328310.3390/ijms21093283Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological SynapseEsther Garcia0Shehab Ismail1CR-UK Beatson Institute, Garscube Estate, Switchback Road, Glasgow G61 1BD, UKCR-UK Beatson Institute, Garscube Estate, Switchback Road, Glasgow G61 1BD, UKIn a signaling network, not only the functions of molecules are important but when (temporal) and where (spatial) those functions are exerted and orchestrated is what defines the signaling output. To temporally and spatially modulate signaling events, cells generate specialized functional domains with variable lifetime and size that concentrate signaling molecules, enhancing their transduction potential. The plasma membrane is a key in this regulation, as it constitutes a primary signaling hub that integrates signals within and across the membrane. Here, we examine some of the mechanisms that cells exhibit to spatiotemporally regulate signal transduction, focusing on the early events of T cell activation from triggering of T cell receptor to formation and maturation of the immunological synapse.https://www.mdpi.com/1422-0067/21/9/3283signal transductionT cellsimmunological synapsemembrane domainsdiffusion barriers
spellingShingle Esther Garcia
Shehab Ismail
Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological Synapse
International Journal of Molecular Sciences
signal transduction
T cells
immunological synapse
membrane domains
diffusion barriers
title Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological Synapse
title_full Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological Synapse
title_fullStr Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological Synapse
title_full_unstemmed Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological Synapse
title_short Spatiotemporal Regulation of Signaling: Focus on T Cell Activation and the Immunological Synapse
title_sort spatiotemporal regulation of signaling focus on t cell activation and the immunological synapse
topic signal transduction
T cells
immunological synapse
membrane domains
diffusion barriers
url https://www.mdpi.com/1422-0067/21/9/3283
work_keys_str_mv AT esthergarcia spatiotemporalregulationofsignalingfocusontcellactivationandtheimmunologicalsynapse
AT shehabismail spatiotemporalregulationofsignalingfocusontcellactivationandtheimmunologicalsynapse