The related transcriptional enhancer factor-1 isoform, TEAD4(216), can repress vascular endothelial growth factor expression in mammalian cells
Increased cellular production of vascular endothelial growth factor (VEGF) is responsible for the development and progression of multiple cancers and other neovascular conditions, and therapies targeting post-translational VEGF products are used in the treatment of these diseases. Development of methods to control and modify the transcription of the VEGF gene is an alternative approach that may have therapeutic potential. We have previously shown that isoforms of the transcriptional enhancer factor 1-related (TEAD4) protein can enhance the production of VEGF. In this study we describe a new TEAD4 isoform, TEAD4(216), which represses VEGF promoter activity. The TEAD4(216) isoform inhibits human VEGF promoter activity and does not require the presence of the hypoxia responsive element (HRE), which is the sequence critical to hypoxia inducible factor (HIF)-mediated effects. The TEAD4(216) protein is localized to the cytoplasm, whereas the enhancer isoforms are found within the nucleus. The TEAD4(216) isoform can competitively repress the stimulatory activity of the TEAD4(434) and TEAD4(148) enhancers. Synthesis of the native VEGF(165) protein and cellular proliferation is suppressed by the TEAD4(216) isoform. Mutational analysis indicates that nuclear or cytoplasmic localization of any isoform determines whether it acts as an enhancer or repressor, respectively. The TEAD4(216) isoform appears to inhibit VEGF production independently of the HRE required activity by HIF, suggesting that this alternatively spliced isoform of TEAD4 may provide a novel approach to treat VEGF-dependent diseases.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2012 |
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| Erschienen: |
2012 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:7 |
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| Enthalten in: |
PloS one - 7(2012), 6 vom: 18., Seite e31260 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Appukuttan, Binoy [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 26.03.2013 Date Revised 03.12.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1371/journal.pone.0031260 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM219156131 |
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| 100 | 1 | |a Appukuttan, Binoy |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The related transcriptional enhancer factor-1 isoform, TEAD4(216), can repress vascular endothelial growth factor expression in mammalian cells |
| 264 | 1 | |c 2012 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Completed 26.03.2013 | ||
| 500 | |a Date Revised 03.12.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Increased cellular production of vascular endothelial growth factor (VEGF) is responsible for the development and progression of multiple cancers and other neovascular conditions, and therapies targeting post-translational VEGF products are used in the treatment of these diseases. Development of methods to control and modify the transcription of the VEGF gene is an alternative approach that may have therapeutic potential. We have previously shown that isoforms of the transcriptional enhancer factor 1-related (TEAD4) protein can enhance the production of VEGF. In this study we describe a new TEAD4 isoform, TEAD4(216), which represses VEGF promoter activity. The TEAD4(216) isoform inhibits human VEGF promoter activity and does not require the presence of the hypoxia responsive element (HRE), which is the sequence critical to hypoxia inducible factor (HIF)-mediated effects. The TEAD4(216) protein is localized to the cytoplasm, whereas the enhancer isoforms are found within the nucleus. The TEAD4(216) isoform can competitively repress the stimulatory activity of the TEAD4(434) and TEAD4(148) enhancers. Synthesis of the native VEGF(165) protein and cellular proliferation is suppressed by the TEAD4(216) isoform. Mutational analysis indicates that nuclear or cytoplasmic localization of any isoform determines whether it acts as an enhancer or repressor, respectively. The TEAD4(216) isoform appears to inhibit VEGF production independently of the HRE required activity by HIF, suggesting that this alternatively spliced isoform of TEAD4 may provide a novel approach to treat VEGF-dependent diseases | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a DNA-Binding Proteins |2 NLM | |
| 650 | 7 | |a Hypoxia-Inducible Factor 1 |2 NLM | |
| 650 | 7 | |a Muscle Proteins |2 NLM | |
| 650 | 7 | |a Nuclear Localization Signals |2 NLM | |
| 650 | 7 | |a RNA, Messenger |2 NLM | |
| 650 | 7 | |a TEA Domain Transcription Factors |2 NLM | |
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| 650 | 7 | |a Transcription Factors |2 NLM | |
| 650 | 7 | |a VEGFA protein, human |2 NLM | |
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| 700 | 1 | |a McFarland, Trevor J |e verfasserin |4 aut | |
| 700 | 1 | |a Stempel, Andrew |e verfasserin |4 aut | |
| 700 | 1 | |a Kassem, Jean B |e verfasserin |4 aut | |
| 700 | 1 | |a Hartzell, Matthew |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Bond, Derek |e verfasserin |4 aut | |
| 700 | 1 | |a West, Kelsey |e verfasserin |4 aut | |
| 700 | 1 | |a Wilson, Reid |e verfasserin |4 aut | |
| 700 | 1 | |a Stout, Andrew |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Yuzhen |e verfasserin |4 aut | |
| 700 | 1 | |a Ilias, Hoda |e verfasserin |4 aut | |
| 700 | 1 | |a Robertson, Kathryn |e verfasserin |4 aut | |
| 700 | 1 | |a Klein, Michael L |e verfasserin |4 aut | |
| 700 | 1 | |a Wilson, David |e verfasserin |4 aut | |
| 700 | 1 | |a Smith, Justine R |e verfasserin |4 aut | |
| 700 | 1 | |a Stout, J Timothy |e verfasserin |4 aut | |
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