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Transcriptional regulator CTR9 inhibits Th17 differentiation via repression of IL-17 expression

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dc.contributor.authorYoo HS-
dc.contributor.authorChoi Y-
dc.contributor.authorAhn N-
dc.contributor.authorLee S-
dc.contributor.authorKim WU-
dc.contributor.authorMin Seong Jang-
dc.contributor.authorMyoung Ho Jang-
dc.contributor.authorKim YS-
dc.contributor.authorYoo JY-
dc.date.available2016-01-25T00:13:53Z-
dc.date.created2016-01-08-
dc.date.issued2014-02-
dc.identifier.issn0022-1767-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/2368-
dc.description.abstractPAF complex is an evolutionarily conserved transcriptional complex that associates with RNA polymerase II in the coding region of actively transcribing genes. Although its transcriptional activity is closely related to diverse cellular processes, such as cell-cycle progression or development in mammals, its role in immune responses has not been addressed yet. In this study, we show that CTR9, a component of PAF complex, functions as a repressor of Th17 differentiation. Both mRNA and protein levels of CTR9 were significantly decreased during the differentiation processes of naive T into Th17 effector cells. When CTR9 was depleted, IL-17 expression was induced and differentiation into Th17 cells enhanced. In naive T cells, CTR9 occupied the coding region of Il17a, but dissociated under Th17 in vitro-polarizing conditions. In contrast, both CDC73 and PAF1 were recruited to the Il17a locus under Th17-differentiation conditions. In the IL-6–stimulated splenocytes, expression of CTR9 was decreased, and chromatin-bound CTR9 disappeared in the coding region of Il17a. IL-6 also directly repressed expression of CTR9 gene, as promoter activity of CTR9 was similarly repressed by IL-6 treatment. Moreover, in mice with collagen-induced arthritis, lentivirus-mediated CTR9 overexpression in the joints ameliorated arthritis severity, decreasing the frequency of CD4+IL-17+ T cells in lymph nodes. In conclusion, our data propose a novel feed-forward loop of IL-17 transcriptional regulatory circuit, via IL-6–mediated repression of CTR9 which is a transcriptional repressor of IL-17. The Journal of Immunology, 2014, 192: 1440–1448. Copyright2014 by The American Association of Immunologists, Inc.-
dc.description.uri1-
dc.language영어-
dc.publisherAMER ASSOC IMMUNOLOGISTS-
dc.titleTranscriptional regulator CTR9 inhibits Th17 differentiation via repression of IL-17 expression-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000331267200013-
dc.identifier.scopusid2-s2.0-84896703901-
dc.identifier.rimsid21939ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorMin Seong Jang-
dc.contributor.affiliatedAuthorMyoung Ho Jang-
dc.identifier.doi10.4049/jimmunol.1201952-
dc.identifier.bibliographicCitationJOURNAL OF IMMUNOLOGY, v.192, no.4, pp.1440 - 1448-
dc.citation.titleJOURNAL OF IMMUNOLOGY-
dc.citation.volume192-
dc.citation.number4-
dc.citation.startPage1440-
dc.citation.endPage1448-
dc.date.scptcdate2018-10-01-
dc.description.wostc4-
dc.description.scptc4-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
Appears in Collections:
Academy of Immunology and Microbiology(면역 미생물 공생 연구단) > 1. Journal Papers (저널논문)
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