Article
Activation of proglucagon gene transcription through a novel promoter element by the caudal-related homeodomain protein cdx-2/3.
Molecular and cellular biology - 1 Jan 1996
Jin T, Drucker D J
Abstract excerpt
The proglucagon gene is expressed in a highly restricted tissue-specific manner in the A cells of the pancreatic islet and the L cells of the small and large intestines. The results of previous experiments indicate that cell-specific expression of the proglucagon gene is mediated by proteins that interact with the proximal G1 promoter element. We show here that the G1 element contains several AT-rich subdomains...
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