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3 patient data entries collated from reference Spinazzola et al, 2009.

Entry
#
Mutations
allele 1allele 2
Clinical representationSymptomsAge groupPatient ageAge of onsetAge of death
119R574W2
A467T2
Alpers. Alive at 10 years. Sister died at age 27.
-Alpers syndrome
-encephalopathy
-developmental delay
-epilepsy
childhood
103n/a
164D930N1
W748S5
Onset of Alpers at 3 months, death at 19 months. Bilateral lesions of thalami.
-Alpers syndrome
-bilateral lesions of thalami
-encephalopathy
-developmental delay
-epilepsy
infantile
n/a0.31.5
196E895G1
Found in one newborn with floppiness and 20% liver mtDNA depletion- Myopathic MDS. Death at 36 hours after birth. 5% mtDNA copy number in muscle, 20% mtDNA copy number in liver.
-no known symptoms
infantile
n/a0.010.02

1-5 pathogenic cluster assignment of mutations. Mutations displayed without a superscript number are outside of the assigned pathogenic clusters. See cluster definitions for details.

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