Fig. 1. Protein-protein interactions network and RNA-seq analysis. (A) Protein-protein interaction network of the differentially expressed genes of rat nervous system of tooth germ between E14.5 and P7 by RNA-seq. (B) Protein-protein interaction network of the differentially expressed genes associated with specific markers of the different phenotypes of Schwann cells between E14.5 and P7. (C) Differential expression of rat neural development marker of tooth germ by RNA-seq. *p<0.05.