Production and application of a dental hypoplasia mouse model using a specific organization and a cell disruption system

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We produced a plasmid that specifically expressed a DT-A gene in cells responsible for tooth development, and a construct (pARIC), which connected the red fluorescent gene (RFP) and the Cre gene downstream from amelogenin promoter. In order to check the operation of the plasmid, pARIC and pCETZ-17 were poured into the palate of a two-week-old mouse, and the gene was introduced in vivo by electroporation. The result showed the expression of the lacZ gene indicating that the expression of downstream lacZ gene was the result of the expression of the Cre gene by amelogenin promoter. Moreover, this removed "EGFP cDNA+stopper" inserted by loxP in pCETZ-17.