Onset of cell-specific gene expression in the developing mouse pancreas.

Abstract excerpt

A central question in developmental biology has been the initiation of cell-specific gene expression and its temporal relationship to morphogenesis. We have coupled embryo microdissection with the exquisite sensitivity of the polymerase chain reaction to define the onset of cell-specific gene expression during pancreatic organogenesis. Using the precise assignment of gestational age by the number of somites in...

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