What:

"Barr's research involves a mutation in a region of the DNA directly before the CRH gene, called the CRH promoter. In a sense, a gene's promoter is like password protection for the gene. If the cell doesn't use the proper combination of factors to satisfy the password, the instructions in the gene cannot be accessed. Other times, a faulty promoter will allow access to the gene too often. In the current study, the mutation in the promoter for CRH causes the cell to make too much CRF. "

Writer: Shana Spindler

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Date: Feb 24 2014 3:51 PM