Table 1

Biochemical analysis of respiratory chain complexes I, II+III, and IV, and PDHC in muscle tissue

Muscle activity (mU/U CS)
PatientControl range
PDHC9.320–52
NADH:Q1 oxidoreductase (CI)60170–560
Succinate:cyt C oxidoreductase (CII+III)7080–450
Cytochrome C oxidase (CIV)1370900–4700
Citrate synthase75.045–1051-150
  • 1-150 Citrate synthase (CS) in U/g NCP.