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Xavier-Neto,J.; Pereira,A.C.; Oliveira,E.M.; Miyakawa,A.A.; Junqueira,M.L.; Krieger,J.E.. |
We characterized the role of potential cAMP-responsive elements (CRE) in basal and in induced angiotensin converting enzyme (ACE) gene promoter activity in order to shed light on the regulation of somatic ACE expression. We identified stimulators and repressors of basal expression between 122 and 288 bp and between 415 and 1303 bp upstream from the transcription start site, respectively, using a rabbit endothelial cell (REC) line. These regions also contained elements associated with the response to 8BrcAMP. When screening for CRE motifs we found pCRE, a proximal sequence between 209 and 222 bp. dCRE, a distal tandem of two CRE-like sequences conserved between rats, mice and humans, was detected between 834 and 846 bp. Gel retardation analysis of nuclear... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Angiotensin converting enzyme; Endothelium; CAMP; Cyclic AMP responsive element. |
Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004001000002 |
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