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Epigenetic regulation of the tissue-specific expression of human UDP-glucuronosyltransferase (UGT) 1A10
https://doi.org/10.24517/00015404
https://doi.org/10.24517/000154048f3856a6-462f-4a61-b49e-7156d00c9fc8
名前 / ファイル | ライセンス | アクション |
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PH-PR-NAKAJIMA-M-660.pdf (1.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-04 | |||||
タイトル | ||||||
タイトル | Epigenetic regulation of the tissue-specific expression of human UDP-glucuronosyltransferase (UGT) 1A10 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00015404 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Oda, Shingo
× Oda, Shingo× Fukami, Tatsuki× Yokoi, Tsuyoshi× Nakajima, Miki |
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著者別表示 |
深見, 達基
× 深見, 達基× 横井, 毅× 中嶋, 美紀 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学ナノ生命科学研究所 / 金沢大学医薬保健研究域薬学系 | |||||
書誌情報 |
Biochemical Pharmacology 巻 87, 号 4, p. 660-667, 発行日 2014-02-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0006-2952 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00564486 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.bcp.2013.11.001 | |||||
出版者 | ||||||
出版者 | Elsevier | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Human UDP-glucuronosyltransferase (UGT) 1A10 is not expressed in the liver; however, UGT1A10 is highly expressed in the intestine, contributing to presystemic first-pass metabolism. Earlier studies revealed that hepatocyte nuclear factor (HNF) 1α and Sp1, as well as an intestine-specific transcription factor, caudal type homeobox (Cdx) 2, are involved in the constitutive expression of UGT1A10. However, why UGT1A10 is not expressed in the liver, where HNF1α and Sp1 are abundantly expressed, is unknown. In this study, we sought to elucidate the mechanism, focusing on epigenetic regulation. Bisulfite sequence analysis revealed that the CpG-rich region (-264 to +117) around the UGT1A10 promoter was hypermethylated (89%) in hepatocytes, whereas the UGT1A10 promoter was hypomethylated (11%) in the epithelium of the small intestine. A luciferase assay revealed that the methylation of the UGT1A10 promoter by SssI methylase abrogated transactivity even with overexpressed Cdx2 and HNF1α. The UGT1A10 promoter was highly methylated (86%) in liver-derived HuH-7 cells, where UGT1A10 is not expressed. In contrast, the UGT1A10 promoter was hardly methylated (19%) in colon-derived LS180 cells, where UGT1A10 is expressed. Treatment with 5-aza-2′-deoxycitidine (5-Aza-dC), an inhibitor of DNA methylation, resulted in an increase in UGT1A10 expression only in HuH-7 cells. Moreover, overexpression of HNF1α and Cdx2 further increased UGT1A10 expression only in the presence of 5-Aza-dC. Collectively, we found that DNA hypermethylation would interfere with the binding of HNF1α and Cdx2, resulting in the defective expression of UGT1A10 in human liver. Thus, epigenetic regulation is one of the mechanisms that determine the tissue-specific expression of UGT1A10. © 2013. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |