Figure 1. DDPCR assay comparing mRNA expression between rat edentulous oral mucosa (E) and untreated gingival (G). (A) A differential display of amplified total RNA samples with the combinations of 3' primer, H-T11G and 5' primers, AP4 or AP5 (g4 and g5, respectively). Arrows indicate specific DDPCR bands that were not seen in the untreated gingiva. (B) A differential display of polymerase chain-reaction product. AA1 was found only in the edentulous oral mucosa total RNA sample.

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