Figure 2From: Transcriptomic profiling of TK2 deficient human skeletal muscle suggests a role for the p53 signalling pathway and identifies growth and differentiation factor-15 as a potential novel biomarker for mitochondrial myopathiesMHC Class I antigen (HLA) expression in (A) normal muscle , (B) muscle from patient with mutations in TK2 (P4) (C) SUCLA2 (P10) and (D) in muscle bearing a large mtDNA deletion (P7). Scale bar = 25 μm.Back to article page