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Figure 2. Comparison of the quantities of OC, OSN, OPN, DMP1, Col I, and ß-actin mRNA in tooth germs of Hyp and WT mice. (A) Electrophoresis of PCR products for OC, OSN, OPN, DMP1, ColI, and ß-actin with PN6d WT mice tooth germs. Single bands of the expected size for each amplification product are shown. (B) Relative quantities of mRNA (mean and SEM) for OC, OSN, OPN, DMP1, and ColI in tooth germs on PN2d and PN6d. Significant differences in the amount of OC mRNA expression between Hyp and WT mice were seen on both post-natal days (*P < 0.05; Mann-Whitney U test).
