Figure 4From: POLG1 p.R722H mutation associated with multiple mtDNA deletions and a neurological phenotype Southern blot analysis of muscle DNA from patient A1. Lane 1, Biotin-labeled Lambda DNA/EcoR1 + HindIII ladder; lane 2, control muscle DNA, age 80 years; lane 3, control muscle DNA, age 89 years; lane 4, patient A1.Back to article page