KAP1 regulates type I interferon/STAT1-mediated IRF-1 gene expression
書誌事項
- タイトル別名
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- Interactions between STAT1 and KAP1
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抄録
Signal transducers and activators of transcription (STATs) mediate cell proliferation, differentiation, and survival in immune responses, hematopoiesis, neurogenesis, and other biological processes. Recently, we showed that KAP1 is a novel STAT-binding partner that regulates STAT3-mediated transactivation. KAP1 is a universal corepressor protein for the KRAB zinc finger protein superfamily of transcriptional repressors. In this study, we found KAP1-dependent repression of interferon (IFN) /STAT1-mediated signaling. We also demonstrated that endogenous KAP1 associates with endogenous STAT1 in vivo. Importantly, a small-interfering RNA-mediated reduction in KAP1 expression enhanced IFN-induced STAT1-dependent IRF-1 gene expression. These results indicate that KAP1 may act as an endogenous regulator of the IFN/STAT1 signaling pathway.
収録刊行物
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- Biochemical and Biophysical Research Communications
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Biochemical and Biophysical Research Communications 370 (2), 366-370, 2008-05-30
Academic Press
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詳細情報 詳細情報について
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- CRID
- 1050001338996362624
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- NII論文ID
- 120000952715
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- NII書誌ID
- AA00564395
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- ISSN
- 10902104
- 0006291X
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- HANDLE
- 2115/33893
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles