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DNA methylation and not allelic variation regulates STAT6 expression in human T cells
DC Field | Value | Language |
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dc.contributor.author | Kim, Eu-Gene | - |
dc.contributor.author | Shin, Hyun-Jin | - |
dc.contributor.author | Lee, Chang Geun | - |
dc.contributor.author | Park, Hye-Young | - |
dc.contributor.author | Park, Heung-Woo | - |
dc.contributor.author | Min, Kyung-Up | - |
dc.contributor.author | Park, Sung-Hwan | - |
dc.contributor.author | Lee, Chang-Woo | - |
dc.contributor.author | Cho, Mi-La | - |
dc.contributor.author | Cho, Sang-Heon | - |
dc.contributor.author | Kim, Yoon-Keun | - |
dc.date.accessioned | 2012-06-27T07:03:40Z | - |
dc.date.available | 2012-06-27T07:03:40Z | - |
dc.date.issued | 2010-09 | - |
dc.identifier.citation | CLINICAL AND EXPERIMENTAL MEDICINE; Vol.10 3; 143-152 | ko_KR |
dc.identifier.issn | 1591-8890 | - |
dc.identifier.uri | https://hdl.handle.net/10371/77621 | - |
dc.description.abstract | STAT6 transcription factor, which has been implicated in commitment to Th2, is known to be activated by IL-4 and IL-13. Accordingly, STAT6 is primarily responsible for the transcriptional effects of IL-4 and IL-13. STAT6-deficient mice are known to have defective IL-4-mediated functions, such as B cell proliferation, Th2 cell development and IgE secretion; therefore, they primarily contain the Th1 phenotype. However, the mechanism responsible for regulation of STAT6 expression transcriptionally and post-transcriptionally has yet to be elucidated. Here, we characterized the human STAT6 promoter gene and found that the transcriptional regulatory elements CCAAT and ATF were important for the STAT6 promoter activity. Direct sequencing analysis revealed that the 13 GT repeat allelic variation in noncoding exon 1 of the STAT6 gene appeared more frequently in 91 patients with asthma or rheumatoid arthritis than the 15 GT repeat variation, which is the dominant phenotype in healthy controls. However, it appears that this allelic variation did not affect the STAT6 transcriptional activity. Interestingly, treatment with a DNA methyltransferase inhibitor markedly increased the expression of STAT6 mRNA and protein in human primary T cells. In contrast, IFN-gamma treatment significantly repressed the STAT6 transcriptional activity. Therefore, the present study provides insight into the molecular basis of STAT6 expression, and in particular, demonstrates that STAT6 expression is associated with DNA hypermethylation rather than promoter polymorphisms or allelic variations. | ko_KR |
dc.description.sponsorship | This work was supported by the Korea Science
and Engineering Foundation (KOSEF) [R01-2007-000-20007-0, 2008)] and KOSEF through the Rheumatism Research Center (R11- 2002-098-05003, 2008) grants funded by the Korea government. | ko_KR |
dc.language.iso | en | ko_KR |
dc.publisher | SPRINGER | ko_KR |
dc.subject | STAT6 | ko_KR |
dc.subject | Promoter gene | ko_KR |
dc.subject | Asthma | ko_KR |
dc.subject | CD4+T cells | ko_KR |
dc.subject | DNA methylation | ko_KR |
dc.subject | Rheumatoid arthritis | ko_KR |
dc.subject | Allelic variation | ko_KR |
dc.title | DNA methylation and not allelic variation regulates STAT6 expression in human T cells | ko_KR |
dc.type | Article | ko_KR |
dc.contributor.AlternativeAuthor | 김유진 | - |
dc.contributor.AlternativeAuthor | 신현진 | - |
dc.contributor.AlternativeAuthor | 이창근 | - |
dc.contributor.AlternativeAuthor | 박혜영 | - |
dc.contributor.AlternativeAuthor | 김윤근 | - |
dc.contributor.AlternativeAuthor | 박흥우 | - |
dc.contributor.AlternativeAuthor | 조상헌 | - |
dc.contributor.AlternativeAuthor | 민경업 | - |
dc.contributor.AlternativeAuthor | 조미라 | - |
dc.contributor.AlternativeAuthor | 박성환 | - |
dc.contributor.AlternativeAuthor | 이창우 | - |
dc.identifier.doi | 10.1007/s10238-009-0083-8 | - |
dc.citation.journaltitle | CLINICAL AND EXPERIMENTAL MEDICINE | - |
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dc.description.tc | 1 | - |
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