Article
Sp1 is essential for both enhancer-mediated and basal activation of the TATA-less human adenosine deaminase promoter.
Nucleic acids research - 25 Feb 1994
Dusing M R, Wiginton D A
Abstract excerpt
Tissue-specific expression of the human adenosine deaminase (ADA) gene is mediated by transcriptional activation over a thousand-fold range. Cis-regulatory regions responsible for high and basal levels of activation include an enhancer and the proximal promoter region. While analyses of the T-cell specific enhancer have been carried out, detailed studies of the the promoter region or promoter-enhancer...
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