Fig. 1From: Insufficient DNA methylation affects healthy aging and promotes age-related health problemsa Changes in genomic content of 5-mdC in brain cortex, hippocampus, and liver during normal aging (n = 4). b Comparisons of mRNA levels between age-matched Dnmt1+/− mice and Dnmt1+/+ mice at three different ages, respectively. *p < 0.05Back to article page