Deletional analysis of the human renin promoter: transcriptional activation by the SV40 enhancer enables identification of promoter regulatory elements in non-renin-expressing cells.

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Abstract

Identification of regulatory elements in the human renin gene promoter has been hindered by the lack of suitable renin-expressing cell lines. In this paper, the SV40 viral enhancer is coupled to a human renin promoter/chloramphenicol acetyltransferase (CAT) reporter gene construct, to determine whether promoter regulatory elements can be identified in the context of enhanced transcription in the normally non-renin-expressing HeLa cell line. The present results indicate that the SV40 enhancer can overcome tissue-specificity of the human renin promoter, and confer correctly initiated transcriptional activity to HeLa cells. Analysis of a series of 5'-end deletions of the human renin promoter linked to the CAT gene and SV40 enhancer identified negative regulatory elements between positions-275 and -225, and between-142 and -102 of the human renin promoter, as well as a positive regulatory element between -225 and -142. Thus, studies of renin promoter regulatory elements need not be limited to renin-expressing cells, but can be performed in non-renin-expressing cells with the addition of an enhancer. This strategy can be generally applicable to the study of tissue-specific gene regulation in cases where there are no specific cell lines available.

Original languageEnglish (US)
Pages (from-to)79-91
Number of pages13
JournalThe Bulletin of Tokyo Medical and Dental University
Volume40
Issue number2
StatePublished - Jun 1993
Externally publishedYes

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Renin
Transcriptional Activation
Chloramphenicol O-Acetyltransferase
HeLa Cells
Cell Line
Genes
Organ Specificity
Reporter Genes

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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title = "Deletional analysis of the human renin promoter: transcriptional activation by the SV40 enhancer enables identification of promoter regulatory elements in non-renin-expressing cells.",
abstract = "Identification of regulatory elements in the human renin gene promoter has been hindered by the lack of suitable renin-expressing cell lines. In this paper, the SV40 viral enhancer is coupled to a human renin promoter/chloramphenicol acetyltransferase (CAT) reporter gene construct, to determine whether promoter regulatory elements can be identified in the context of enhanced transcription in the normally non-renin-expressing HeLa cell line. The present results indicate that the SV40 enhancer can overcome tissue-specificity of the human renin promoter, and confer correctly initiated transcriptional activity to HeLa cells. Analysis of a series of 5'-end deletions of the human renin promoter linked to the CAT gene and SV40 enhancer identified negative regulatory elements between positions-275 and -225, and between-142 and -102 of the human renin promoter, as well as a positive regulatory element between -225 and -142. Thus, studies of renin promoter regulatory elements need not be limited to renin-expressing cells, but can be performed in non-renin-expressing cells with the addition of an enhancer. This strategy can be generally applicable to the study of tissue-specific gene regulation in cases where there are no specific cell lines available.",
author = "Noriyuki Kasahara",
year = "1993",
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T2 - transcriptional activation by the SV40 enhancer enables identification of promoter regulatory elements in non-renin-expressing cells.

AU - Kasahara, Noriyuki

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N2 - Identification of regulatory elements in the human renin gene promoter has been hindered by the lack of suitable renin-expressing cell lines. In this paper, the SV40 viral enhancer is coupled to a human renin promoter/chloramphenicol acetyltransferase (CAT) reporter gene construct, to determine whether promoter regulatory elements can be identified in the context of enhanced transcription in the normally non-renin-expressing HeLa cell line. The present results indicate that the SV40 enhancer can overcome tissue-specificity of the human renin promoter, and confer correctly initiated transcriptional activity to HeLa cells. Analysis of a series of 5'-end deletions of the human renin promoter linked to the CAT gene and SV40 enhancer identified negative regulatory elements between positions-275 and -225, and between-142 and -102 of the human renin promoter, as well as a positive regulatory element between -225 and -142. Thus, studies of renin promoter regulatory elements need not be limited to renin-expressing cells, but can be performed in non-renin-expressing cells with the addition of an enhancer. This strategy can be generally applicable to the study of tissue-specific gene regulation in cases where there are no specific cell lines available.

AB - Identification of regulatory elements in the human renin gene promoter has been hindered by the lack of suitable renin-expressing cell lines. In this paper, the SV40 viral enhancer is coupled to a human renin promoter/chloramphenicol acetyltransferase (CAT) reporter gene construct, to determine whether promoter regulatory elements can be identified in the context of enhanced transcription in the normally non-renin-expressing HeLa cell line. The present results indicate that the SV40 enhancer can overcome tissue-specificity of the human renin promoter, and confer correctly initiated transcriptional activity to HeLa cells. Analysis of a series of 5'-end deletions of the human renin promoter linked to the CAT gene and SV40 enhancer identified negative regulatory elements between positions-275 and -225, and between-142 and -102 of the human renin promoter, as well as a positive regulatory element between -225 and -142. Thus, studies of renin promoter regulatory elements need not be limited to renin-expressing cells, but can be performed in non-renin-expressing cells with the addition of an enhancer. This strategy can be generally applicable to the study of tissue-specific gene regulation in cases where there are no specific cell lines available.

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