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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Mech Ageing Dev. 2011 Dec 13;133(1):30–36. doi: 10.1016/j.mad.2011.12.001

Fig. 4.

Fig. 4

Normalized density of HNE immunostaining for 115-, 80-, 75- and 50-kDa protein bands (Figs. 1, 2) in the skeletal muscle mitochondria of C57BL/6 and DBA/2 mice as a function of age and diet. Data are expressed as the mean ± SD of 3 independent mitochondrial preparations, each consisting of tissue pooled from two mice. † p < 0.05 for planned comparison between 6- and 23-month-old AL-fed mice of the matching strain; * p < 0.05 for comparison between CR and AL fed mice of matching age and strain; # p < 0.05 for comparison between AL-fed C57BL/6 vs DBA/2 mice of matching age.