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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Free Radic Biol Med. 2012 Sep 1;53(9):1729–1737. doi: 10.1016/j.freeradbiomed.2012.08.588

Fig. 2.

Fig. 2

Duration of diabetes and mtDNA repair and replication enzymes. Retina from rats diabetic for 15 days to 12 months was analyzed for (a) gene expression of POLG by real-time PCR using β-actin as an internal control, and the mitochondrial levels of (b) POLG and (c) OGG1 were quantified by Western blot techniques using Cox IV as the loading control. Each value represents the mean ± SD from 5 to 6 rats/group. *P<0.05 compared to normal.