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Fig. 2 | Skeletal Muscle

Fig. 2

From: Failed upregulation of TFAM protein and mitochondrial DNA in oxidatively deficient fibers of chronic obstructive pulmonary disease locomotor muscle

Fig. 2

Presence of mtDNA deletions in COPD locomotor muscle corresponds to higher levels of DNA damage, smoking history, and aerobic capacity. a Higher levels of oxidatively damaged guanosine (pg of 8-OHdG per mL of total DNA) in COPD patients with mtDNA deletions (456.8 ± 45.7) compared to patients without detectable mtDNA deletions (196.9 ± 28.6; ***P < 0.001). b Higher number of smoking pack-years in COPD patients harboring mtDNA deletions (66.3 ± 7.5) compared to COPD patients without detectable mtDNA deletions (38.0 ± 7.3). c Lower maximal oxygen consumption in COPD patients harboring mtDNA deletions (33.7 ± 2.4 % predicted) compared to COPD patients without detectable mtDNA deletions (45.6 ± 5.6 %). Graphs show mean ± SEM (*P < 0.05)

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