Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and Response
T cell activation plays a central role in supporting and shaping the immune response. The induction of a functional adaptive immune response requires the control of signaling processes downstream of the T cell receptor (TCR). In this regard, protein phosphorylation and dephosphorylation have been ex...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-03-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/23/7/3424 |
| _version_ | 1797439190227484672 |
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| author | Clemens Cammann Nicole Israel Hortense Slevogt Ulrike Seifert |
| author_facet | Clemens Cammann Nicole Israel Hortense Slevogt Ulrike Seifert |
| author_sort | Clemens Cammann |
| collection | DOAJ |
| description | T cell activation plays a central role in supporting and shaping the immune response. The induction of a functional adaptive immune response requires the control of signaling processes downstream of the T cell receptor (TCR). In this regard, protein phosphorylation and dephosphorylation have been extensively studied. In the past decades, further checkpoints of activation have been identified. These are E3 ligases catalyzing the transfer of ubiquitin or ubiquitin-like proteins to protein substrates, as well as specific peptidases to counteract this reaction, such as deubiquitinating enzymes (DUBs). These posttranslational modifications can critically influence protein interactions by targeting proteins for degradation by proteasomes or mediating the complex formation required for active TCR signaling. Thus, the basic aspects of T cell development and differentiation are controlled by defining, e.g., the threshold of activation in positive and negative selection in the thymus. Furthermore, an emerging role of ubiquitination in peripheral T cell tolerance has been described. Changes in the function and abundance of certain E3 ligases or DUBs involved in T cell homeostasis are associated with the development of autoimmune diseases. This review summarizes the current knowledge of E3 enzymes and their target proteins regulating T cell signaling processes and discusses new approaches for therapeutic intervention. |
| first_indexed | 2024-03-09T11:49:09Z |
| format | Article |
| id | doaj.art-1c6595304b374481b7cdb3d71247b5e4 |
| institution | Directory Open Access Journal |
| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-09T11:49:09Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-1c6595304b374481b7cdb3d71247b5e42023-11-30T23:16:43ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-03-01237342410.3390/ijms23073424Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and ResponseClemens Cammann0Nicole Israel1Hortense Slevogt2Ulrike Seifert3Friedrich Loeffler-Institute of Medical Microbiology-Virology, University Medicine Greifswald, 17475 Greifswald, GermanyFriedrich Loeffler-Institute of Medical Microbiology-Virology, University Medicine Greifswald, 17475 Greifswald, GermanyHost Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, 07745 Jena, GermanyFriedrich Loeffler-Institute of Medical Microbiology-Virology, University Medicine Greifswald, 17475 Greifswald, GermanyT cell activation plays a central role in supporting and shaping the immune response. The induction of a functional adaptive immune response requires the control of signaling processes downstream of the T cell receptor (TCR). In this regard, protein phosphorylation and dephosphorylation have been extensively studied. In the past decades, further checkpoints of activation have been identified. These are E3 ligases catalyzing the transfer of ubiquitin or ubiquitin-like proteins to protein substrates, as well as specific peptidases to counteract this reaction, such as deubiquitinating enzymes (DUBs). These posttranslational modifications can critically influence protein interactions by targeting proteins for degradation by proteasomes or mediating the complex formation required for active TCR signaling. Thus, the basic aspects of T cell development and differentiation are controlled by defining, e.g., the threshold of activation in positive and negative selection in the thymus. Furthermore, an emerging role of ubiquitination in peripheral T cell tolerance has been described. Changes in the function and abundance of certain E3 ligases or DUBs involved in T cell homeostasis are associated with the development of autoimmune diseases. This review summarizes the current knowledge of E3 enzymes and their target proteins regulating T cell signaling processes and discusses new approaches for therapeutic intervention.https://www.mdpi.com/1422-0067/23/7/3424T cell functionT cell receptor signalingubiquitinationE3 ligasesdeubiquitinationDUBs |
| spellingShingle | Clemens Cammann Nicole Israel Hortense Slevogt Ulrike Seifert Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and Response International Journal of Molecular Sciences T cell function T cell receptor signaling ubiquitination E3 ligases deubiquitination DUBs |
| title | Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and Response |
| title_full | Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and Response |
| title_fullStr | Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and Response |
| title_full_unstemmed | Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and Response |
| title_short | Recycling and Reshaping—E3 Ligases and DUBs in the Initiation of T Cell Receptor-Mediated Signaling and Response |
| title_sort | recycling and reshaping e3 ligases and dubs in the initiation of t cell receptor mediated signaling and response |
| topic | T cell function T cell receptor signaling ubiquitination E3 ligases deubiquitination DUBs |
| url | https://www.mdpi.com/1422-0067/23/7/3424 |
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