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MHC class II-dependent T-T interactions create a diverse, functional and immunoregulatory reaction circle

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dc.contributor.authorLee, You Jeong-
dc.contributor.authorJung, Kyeong Cheon-
dc.contributor.authorPark, Seong Hoe-
dc.date.accessioned2010-07-07T01:18:33Z-
dc.date.available2010-07-07T01:18:33Z-
dc.date.issued2008-11-26-
dc.identifier.citationImmunol Cell Biol. 2009; 87(1): 65-71en
dc.identifier.issn0818-9641 (Print)-
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=19030015-
dc.identifier.urihttp://www.nature.com/icb/journal/v87/n1/pdf/icb200885a.pdf-
dc.identifier.urihttps://hdl.handle.net/10371/68385-
dc.description.abstractUnlike conventional T cells, innate-like T cells such as natural killer (NK) T cells are selected by homotypic T-cell interactions. Recently, a few reports have shown that T-T CD4(+) T cells can be generated in a similar manner to that for NKT cells. These two types of cells share common functional properties such as rapid response to antigenic encounters and the potential for a panoply of cytokine secretion. However, T-T CD4(+) T cells differ from NKT cells in that they are restricted by highly polymorphic major histocompatibility complex (MHC) II molecules and have a diverse T-cell receptor repertoire. Additional example of T-T interactions was recently reported in which peripheral T cells re-circulate to the thymus and participate in the thymocyte selection process. In this review, we dissect the cellular mechanisms underlying the production of T-T CD4(+) and NKT cells, with particular emphasis on the differences between these two T-cell prototypes. Finally, we propose that T-T CD4(+) T cells serve two major functions: one as an acute-phase reactant against viral infection and the other is the generation of anti-ergotypic CD4(+) T cells for regulatory purposes. All of these features make it possible to create a diverse set of functional cells through MHC class II-restricted T-T interactions.en
dc.description.sponsorshipThis work was supported by a Korean Science and Engineering Foundation
Grant (R01-2007-000-20165-0) from the Ministry of Knowledge Economy
(MKE) of Korea.
en
dc.language.isoenen
dc.publisherWiley-Blackwellen
dc.subjectAnimalsen
dc.subjectCD4-Positive T-Lymphocytes/*immunologyen
dc.subjectCell Communication/*immunologyen
dc.subjectClonal Deletionen
dc.subjectHistocompatibility Antigens Class II/*immunologyen
dc.subjectHumansen
dc.subjectNatural Killer T-Cells/*immunologyen
dc.subjectThymus Gland/*immunologyen
dc.subjectTranscription Factors/immunologyen
dc.titleMHC class II-dependent T-T interactions create a diverse, functional and immunoregulatory reaction circleen
dc.typeArticleen
dc.contributor.AlternativeAuthor이유정-
dc.contributor.AlternativeAuthor정경천-
dc.contributor.AlternativeAuthor박성호-
dc.identifier.doi10.1038/icb.2008.85-
Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Pathology (병리학전공)Journal Papers (저널논문_병리학전공)
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