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. 2023 Jul 10;13(30):20476–20485. doi: 10.1039/d3ra03313a

Examples of mitochondrial diseases caused by mutations in mtDNA.

Disease Gene location Mutation types Clinical features
Myoclonus epilepsy with ragged-red fibres (MERRF) MTTK A8344G, T8356C, G8361A Generalized epilepsy, ataxia, and myopathy
MTTF G611A
Mitochondrial encephalopathy, lactic acidosis, stroke-like episodes (MELAS) MTTL1 A3243G, G3244A, A3252G, C3256T, T3271C, T3291C Epilepsy, encephalopathy, myopathy, severe constipation, failure to thrive
MTTV G1642A
MTTF G583A
MTRNR2 C3093G
MTND1 T3308C, G3376A, G3697A, G3946A, T3949C
MTND4 A11084G
MTND5 A12770G, A13045C, A13084T, G13513A, A13514G
MTND6 G14453A
MTCYB 14787Ddel4
Kearns–Sayre syndrome (KSS) MTTL1 G3249A Short stature, diabetes mellitus, cardiomyopathy, ataxia
Chronic progressive external ophthalmoplegia (CPEO) MTTL1 C3254T Ptosis, muscle weakness
MTT1 T4274C, T4285C, G4298A, G4309A
MTTA T5628C
MTTN T5692C
MTTN G5698A
MTTN G5703G
MTTK G8342A
MTTL2 G12294A, A12308G, T12311C, G12325A
MTND4 T11232C
Neuropathy, ataxia, and retinitis pigmentosa (NARP) MTATP6 T8993C, T8993G Blindness, cerebellar ataxia, seizures, cognitive impairment, and peripheral neuropathy
Leigh syndrome(LS) MTTV C1624T Lactic acidosis, failure to thrive, myopathy, bilateral symmetrical lesions in the subcortical brain
MTND3 T10158C
MTND4 C11777A
MTND5 T12706C
MTATP6 T9176C, T9176G, T9185C, T9191C, T8993C