Interactions between areas I and II direct pdx-1 expression specifically to islet cell types of the mature and developing pancreas.


PDX-1 regulates transcription of genes involved in islet beta cell function and pancreas development. Islet-specific expression is controlled by 5'-flanking sequences from base pair (bp) -2917 to -1918 in transgenic experiments, which encompasses both conserved (i.e. Area I (bp -2761/-2457), Area II (bp -2153/-1923)) and non-conserved pdx-1 sequences… (More)


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