Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene
It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identifie...
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| Autor*in: |
Hagerty, Timothy [verfasserIn] Morgan, William W. [verfasserIn] Elango, N. [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Science Ltd ; 2001 |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2008 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Journal of neurochemistry - Oxford : Wiley-Blackwell, 1956, 76(2001), 3, Seite 0 |
| Übergeordnetes Werk: |
volume:76 ; year:2001 ; number:3 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1046/j.1471-4159.2001.00072.x |
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| 520 | |a It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. | ||
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10.1046/j.1471-4159.2001.00072.x doi (DE-627)NLEJ243145772 DE-627 ger DE-627 rakwb Hagerty, Timothy verfasserin aut Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene Oxford, UK Blackwell Science Ltd 2001 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| gene promoter Morgan, William W. verfasserin aut Elango, N. verfasserin aut Strong, Randy oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 76(2001), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:76 year:2001 number:3 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2001.00072.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 76 2001 3 0 |
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10.1046/j.1471-4159.2001.00072.x doi (DE-627)NLEJ243145772 DE-627 ger DE-627 rakwb Hagerty, Timothy verfasserin aut Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene Oxford, UK Blackwell Science Ltd 2001 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| gene promoter Morgan, William W. verfasserin aut Elango, N. verfasserin aut Strong, Randy oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 76(2001), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:76 year:2001 number:3 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2001.00072.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 76 2001 3 0 |
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10.1046/j.1471-4159.2001.00072.x doi (DE-627)NLEJ243145772 DE-627 ger DE-627 rakwb Hagerty, Timothy verfasserin aut Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene Oxford, UK Blackwell Science Ltd 2001 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| gene promoter Morgan, William W. verfasserin aut Elango, N. verfasserin aut Strong, Randy oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 76(2001), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:76 year:2001 number:3 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2001.00072.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 76 2001 3 0 |
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10.1046/j.1471-4159.2001.00072.x doi (DE-627)NLEJ243145772 DE-627 ger DE-627 rakwb Hagerty, Timothy verfasserin aut Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene Oxford, UK Blackwell Science Ltd 2001 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| gene promoter Morgan, William W. verfasserin aut Elango, N. verfasserin aut Strong, Randy oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 76(2001), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:76 year:2001 number:3 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2001.00072.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 76 2001 3 0 |
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10.1046/j.1471-4159.2001.00072.x doi (DE-627)NLEJ243145772 DE-627 ger DE-627 rakwb Hagerty, Timothy verfasserin aut Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene Oxford, UK Blackwell Science Ltd 2001 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| gene promoter Morgan, William W. verfasserin aut Elango, N. verfasserin aut Strong, Randy oth In Journal of neurochemistry Oxford : Wiley-Blackwell, 1956 76(2001), 3, Seite 0 Online-Ressource (DE-627)NLEJ243927584 (DE-600)2020528-4 1471-4159 nnns volume:76 year:2001 number:3 pages:0 http://dx.doi.org/10.1046/j.1471-4159.2001.00072.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 76 2001 3 0 |
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Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene |
| abstract |
It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. |
| abstractGer |
It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. |
| abstract_unstemmed |
It has been known for nearly 30 years that glucocorticoid receptor stimulation induces increased tyrosine hydroxylase (TH) gene expression. However, the mechanism mediating this effect has remained elusive. Sequences with homology to known glucocorticoid-responsive elements (GRE) have been identified in the 5′ flanking region of the TH gene of several vertebrate species, but none has been shown to be functional. To identify the GRE element(s) in the TH promoter, we generated chimeric constructs in which different lengths of the 5′ flanking sequences of the mouse TH gene (3.6, 1.1 and 0.8 kb) were ligated to a luciferase reporter gene. Dexamethasone treatment increased luciferase expression only in cells transiently transfected with the construct containing 3.6 kb of the TH 5′ flanking DNA. Co-administration of mifepristone (RU486), a glucocorticoid receptor antagonist, blocked this effect. We identified a TH-GRE sequence (5′-GGCACAGTGTGGTCT) in the mouse 5′ flanking DNA between −2435 and −2421 from the transcription start. Responsiveness to dexamethasone was lost following deletion of this sequence. To determine the ability of this element to function in a heterologous promoter, we prepared a chimeric construct in which the TH-GRE sequence was cloned just upstream of a minimal thymidine kinase (TK) promoter. Promoter activity was increased 2-fold in dexamethasone-treated PC12 cells transfected with the TH-GRE-TK construct. These results provide strong evidence that the 15 base-pair sequence in the 5′ flanking DNA of the mouse TH gene functions as a glucocorticoid response element. This is the first report identifying a functional glucocorticoid response element in the promoter region of the TH gene of any species. |
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| title_short |
Identification of a glucocorticoid-responsive element in the promoter region of the mouse tyrosine hydroxylase gene |
| url |
http://dx.doi.org/10.1046/j.1471-4159.2001.00072.x |
| remote_bool |
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| author2 |
Morgan, William W. Elango, N. Strong, Randy |
| author2Str |
Morgan, William W. Elango, N. Strong, Randy |
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| doi_str |
10.1046/j.1471-4159.2001.00072.x |
| up_date |
2024-07-06T04:27:40.145Z |
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