mRNA expression levels of core pluripotency genes in neonatal and adult rat kidney. One dimensional agarose gel image showing gene expression levels by RT-PCR for (A) Oct4 (B) Nanog and (C) Sox2. Each gel image is accompanied by bar diagrams showing representative densitometry analyses of these genes. Y-axis shows the relative expression of each gene with respect to GAPDH expression. Data is presented as means ± standard error of means (SEM) where n = 3. For statistical analysis, a Shapiro-Wilk Normality Test was performed and all comparisons were made with Student’s t-tests. 95 percent two-tailed confidence interval for differences of means was considered significant (p-value<0.05).