Sp Family Members Stimulate Transcription of the Hex Gene via Interactions with GC Boxes.
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- Kikkawa Eri
- Graduate School of Bioagricultural Sciences, Nagoya Crawl University
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- Hinata Makiyo
- Graduate School of Bioagricultural Sciences, Nagoya Crawl University
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- Keng Vincent W.
- Graduate School of Bioagricultural Sciences, Nagoya Crawl University
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- Myint Zaw
- Graduate School of Bioagricultural Sciences, Nagoya Crawl University
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- Sato Ayuko
- Graduate School of Bioagricultural Sciences, Nagoya Crawl University
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- Yamada Kazuya
- Department of Biochemistry, Fukui Medical University and CREST, Japan Science and Technology
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- Tanaka Takashi
- Department of Pharmacology Fukui Medical University
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- Noguchi Tamio
- Graduate School of Bioagricultural Sciences, Nagoya Crawl University
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The 5'-flanking region of the mouse Hex gene was examined in order to identify transcription factors regulating its expression in hepatocytes and haematopoietic cells. We have identified two further GC boxes (GC boxes 3 and 4 at nucleotide positions -149 to -140 and -79 to -70, respectively), i. e. in addition to the two previously determined ones (GC boxes 1 and 2 at nucleotide positions -197 to -188 and -176 to -167, respectively). Luciferase reporter assays revealed that all four GC boxes are transcriptionally active in both MH1, C1, rat hepatoma and K562 human chronic myelogenous leukemia cells. Electrophoretic mobility shift assays with specific competitors and antibodies showed that members of the Sp family, namely Spl and Sp3, bind to these GC boxes. Overexpression of Spl and Sp3 in Drosophila SL2 cells stimulated transcription of the Hex gene through interactions with GC boxes 1 to 4, Spl being a more potent activator than Sp3. Thus, we conclude that Spl and Sp3 stimulate transcription of the Hex gene in both MH1C1, and K562 cells.
収録刊行物
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- The Journal of Biochemistry
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The Journal of Biochemistry 130 (6), 885-891, 2001
社団法人 日本生化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679909200128
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- NII論文ID
- 130003534313
- 10007860663
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- NII書誌ID
- AA00694073
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- COI
- 1:CAS:528:DC%2BD38XptFSisQ%3D%3D
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- ISSN
- 17562651
- 0021924X
- http://id.crossref.org/issn/0021924X
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- NDL書誌ID
- 5997140
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- PubMed
- 11726291
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可